Manage Cookie Settings
To make the TTIEurope.com experience more targeted and user-friendly, TTIEurope.com (and selected third parties) use “cookies” on this website. This technology helps us gather statistical and analytical information for personalization purposes, but the choice to accept the cookies is always yours.
Necessary Cookies
Always ON
These cookies are necessary for our website to function and cannot be deactivated. As a rule, these cookies enable our website’s proper functioning and support critical features that you have requested such as the maintaining of your shopping cart and maintaining your session when you have logged in as a customer. Your browser can be set to block cookies or inform you of their use. Blocking these technical cookies will result in the website not functioning as intended.
Performance Cookies
These cookies allow us to understand how the website is being used and how it is performing so that we can make improvements to your experience. By allowing these cookies you help us understand which pages are most important, and which are less so and where work may need to be done to improve the speed or content of our pages. These cookies may be set by us, or they may be set by providers whose tools we use to help in our analysis.
Personalization Cookies
These cookies are used to make our website easier to use and more enjoyable. They allow us to display content tailored to the website pages you visit or products purchased, and allow us to provide you with conveniently related content based on your searches.
Marketing Cookies
These cookies enable us and other perspective vendors to show you advertisements of products and services that would be of interest to you. If you do not agree to the use of these cookies, you can still be shown relevant TTI advertising while on our websites.
Part of the TTI Family of Specialists
About TTI Contact Us
or
BOM Upload
Hello {{accountJson.data.firstName}}
Sign in
{{accountJson.data.ttiPlusRewardsLevel}} My Account Account Account {{selectedAccount.accountNumber}} {{selectedAccount.accountNumber}}
  • Rewards: {{rewardCredit | currency}}
  • Your Services
  • ezBuy
  • ezBuy
  • ezBuy ezBuy
  • ezReview
  • ezReview ezReview
  • Quote Request
  • Your Accounts
  • Empty your cart to change accounts
  • My TTI Profile Update Profile
  • Sign out
Order Status
{{cartInfo.cartPartsCount}} 0
Hello {{accountJson.data.firstName}}
Hello {{accountJson.data.firstName}}
Hello, Sign in
  • Products
    • Circuit Protection
      Circuit Protection
      • Circuit Breakers & Accessories
      • Circuit Protection Kits
      • ESD Suppressors / TVS Diodes
      • Fuse Holders
      • Fuses
      • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
      • LED Protection Devices
      • Power Outlet Strips
      • Resettable Fuses
      • Thermistors - PTC
      • Surge Protective Devices - SPD
      • Thermal Cutoffs
      • Thermistors
      • Thyristors
      • Varistors - MOV & MLV
    • Connectors
      Connectors
      • Audio & Video Connectors
      • Automotive Connectors
      • Backplane Connectors
      • Board to Board & Mezzanine Connectors
      • Card Edge Connectors
      • Circular Connectors
      • D-Subminiature Connectors
      • Data Bus Components
      • FFC/FPC Connectors
      • Fiber Optic Connectors
      • Headers & Wire Housings
      • I/O Connectors
      • IC & Component Sockets
      • IEEE 1394 Connectors
      • Junction Systems
      • Lighting Connectors
      • Memory Connectors
      • MIL-Spec / MIL-Type
      • Modular / Ethernet Connectors
      • Pin & Socket Connectors
      • Power Connectors
      • RF Interconnects
      • Solar / Photovoltaic Connectors
      • Terminal Blocks
      • Terminals
      • USB Connectors
      • Unspecified Connectors
    • Discretes
      Discretes
      • Diodes & Rectifiers
      • Discrete & Power Modules
      • Thyristors - Diacs, Sidacs, SCRs & Triacs 
      • Transistors - FETs, Bipolars & IGBTs
    • Electromechanical
      Electromechanical
      • Audio Devices
      • Circuit Breakers
      • Encoders
      • Hardware
      • I/O Modules
      • Industrial Automation
      • Knobs & Dials
      • Motors & Drives
      • Printers
      • Relays
      • Switches
    • Embedded Solutions
      Embedded Solutions
      • Computing
      • Display Modules
      • Engineering Tools
      • Ethernet & Communication Modules
      • Interface Modules
      • Memory & Data Storage
      • Memory Modules
      • Modules Accessories
      • Other Modules
      • Power Management Modules
      • Sensor Modules
      • RF / Wireless Modules
    • Enclosures
      Enclosures
      • Enclosures for Industrial Automation
      • Enclosures for Single Board Computing
      • Enclosures, Boxes, & Cases
      • Racks & Cabinets
      • Standard Electrical
    • Industrial Automation
      Industrial Automation
      • Circuit Breakers, Surge Protectors & Fuses
      • Contactors & Relays
      • Controllers
      • Enclosures & Racks
      • Field I/O
      • HMI & Industrial PCs
      • Industrial Power
      • Lighting & Indication
      • Motors & Motor Drives
      • Network & Communications
      • Panel Meters
      • Power Products
      • Pushbuttons & Electromechanical Switches
      • Robotics
      • Sensors & Transducers
      • Solenoids & Actuators
      • Terminal Blocks & Connectors
      • Tools, Test Equipment & Hardware
      • Wire & Cable Assemblies
      • Wire & Cable Management
    • Optoelectronics
      Optoelectronics
      • Backlighting Components
      • Cameras & Accessories
      • Displays
      • Drivers
      • Fiber Optics
      • Infrared Data Communications
      • Lamps & Holders
      • Lasers
      • LEDs
      • LED Indication
      • LED Lighting
      • Optical Detectors & Sensors
      • Optical Switches
      • Optocouplers / Photocouplers
    • Passive Components
      Passive Components
      • Antennas
      • Antenna Accessories
      • Audio & Signal Transformers
      • Capacitors
      • EMI Filters / EMI Suppression
      • Encoders
      • Ferrites
      • Filters
      • Frequency Control & Timing Devices
      • Inductors, Chokes & Coils
      • Potentiometers, Trimmers & Rheostats
      • Resistors
      • Signal Conditioning
      • Thermistors - NTC
      • Thermistors - PTC
      • Varistors
    • Power
      Power
      • AC Power Cords
      • AC Power Entry Modules
      • AC Power Plugs & Receptacles
      • Batteries
      • Battery Chargers
      • Battery Holders, Clips & Contacts
      • DC/DC Converters
      • DC Power Connectors
      • DC Power Cords
      • Power Condition
      • Power Management ICs
      • Power Supplies
      • Redundancy Modules
      • Solar Panels & Solar Cells
      • Supercapacitors
      • Transformers
    • RF Wireless
      RF Wireless
      • Antennas & Accessories
      • Ethernet Communication Modules
      • NFC/RFID Solutions
      • RF/Wireless Development Tools
      • RF Cables & Connectors
      • RF Capacitors
      • RF Inductors
      • RF Integrated Circuits
      • RF Relays
      • RF Resistors
      • RF Test Equipment
      • RF Transistors
      • Wireless Charging
      • Wireless Modules
    • Sensors
      Sensors
      • Audio Sensors
      • Biometric Sensors
      • Capacitive Touch Sensors
      • Current Sensors
      • Encoders
      • Environmental Sensors
      • Flow Sensors
      • Force Sensors & Load Cells
      • Linear Displacement Sensors
      • Liquid Level Sensors
      • Magnetic Sensors
      • Motion & Position Sensors
      • Optical Sensors
      • Pressure Sensors
      • Proximity Sensors
      • Sensor Hardware & Accessories
      • Temperature Sensors
    • Semiconductors
      Semiconductors
      • Amplifier ICs
      • Audio ICs
      • Clock & Timer ICs
      • Communication & Networking ICs
      • Counter ICs
      • Data Converter ICs
      • Discrete Semiconductors
      • Driver ICs
      • Embedded Processors & Controllers
      • Interface ICs
      • Logic ICs
      • Memory ICs
      • Multimedia ICs
      • Power Management ICs
      • Switch ICs
      • Wireless & RF Integrated Circuits
    • Test & Measurement
      Test & Measurement
      • Analyzers
      • Attenuators - Interconnects
      • Calibration Equipment
      • Calibration, Warranties, & Service Plans
      • Component Testers
      • Counters & Tachometers
      • Datalogging & Acquisition
      • Environmental Test Equipment
      • Fiber Optic Testing
      • Multimeters & Voltmeters
      • Panel Meters
      • Test Equipment Accessories
      • Test Equipment Power Cords
      • Thermal Imaging Cameras
      • Timers
    • Thermal Management
      Thermal Management
      • Fans & Blowers
      • Heat Sinks
      • Heat Sinks - LED
      • Temperature Sensors
      • Thermal Cutoffs
      • Thermal Interface Products
      • Thermistors
    • Tools & Supplies
      Tools & Supplies
      • Adhesive Tapes
      • Anti-Static Control Products
      • Chemicals
      • Labels & Industrial Warning Signs
      • Prototyping Products
      • Storage Boxes & Cases
      • Soldering
      • Tools
    • Wire & Cable
      Wire & Cable
      • Cable Assemblies
      • Coaxial Cables
      • FFC/FPC Jumper Cables
      • Fiber Optic
      • Flat Cables
      • Hook-up Wire
      • Multi-Conductor & Paired Cables
      • Wire Protection & Management
    • View All
  • Technical Resources
  • Manufacturers
  • Services & Tools
  • About TTI
  • Contact Us
Order Status
My Support
  • Internet Sales / Support
  • +49 8142 6680 – 100
  • Email Internet Sales
  • Contact Your Regional TTI Office
  • {{accountJson.data.customer[0].supportTeam.isr.firstName}} {{accountJson.data.customer[0].supportTeam.isr.lastName}}
  • {{accountJson.data.customer[0].supportTeam.isr.title}}
  • {{accountJson.data.customer[0].supportTeam.isr.phone}}
  • Email Rep
  • {{accountJson.data.customer[0].supportTeam.osr.firstName}} {{accountJson.data.customer[0].supportTeam.osr.lastName}}
  • {{accountJson.data.customer[0].supportTeam.osr.title}}
  • {{accountJson.data.customer[0].supportTeam.osr.phone}}
  • Email Rep
  • Email Both Reps
  • {{selectedAccount.supportTeam.isr.firstName}} {{selectedAccount.supportTeam.isr.lastName}}
  • {{selectedAccount.supportTeam.isr.title}}
  • {{selectedAccount.supportTeam.isr.phone}}
  • Email Rep
  • {{selectedAccount.supportTeam.osr.firstName}} {{selectedAccount.supportTeam.osr.lastName}}
  • {{selectedAccount.supportTeam.osr.title}}
  • {{selectedAccount.supportTeam.osr.phone}}
  • Email Rep
    Email Both Reps

Online Tools & Services

Sorry! You do not have access to this Online Service on account : {{appAccount.accountNumber}}

No Accounts Found

Please choose from the following accounts that have access.

{{account.accountDisplayData}}
No Accounts Have Access.
Please Click Here to find out more about ezReview.

Sorry! You do not have access to this Online Service on account: {{selectedAccount.accountNumber}}

No Accounts Found

The {{serviceName}} Application is Currently Unavailable.

Please choose from the following accounts that have access.

{{account.accountDisplayData}}
No Accounts Have Access. Please Click Here to find out more about ezBuy.
No Accounts Have Access. Please Click Here to find out more about ezBuy.
Your {{serviceName}} service cannot be accessed at this time because your shopping cart is "locked" to a TTI Account that is not in your {{serviceName}} profile. This probably happened because your cart contains one or more parts with discounted prices.

To regain access to ezBuy, please clear your cart by submitting an order or by removing those parts with discounted prices.

If you have any other questions please call your TTI Sales Representative.

Shopping Cart is locked to:
{{selectedAccount.accountNumber}}
{{selectedAccount.billingAddress.name}}
{{selectedAccount.billingAddress.streetAddress}}
{{selectedAccount.billingAddress.city}}, {{selectedAccount.billingAddress.state.stateShortName}} {{selectedAccount.billingAddress.zip}}
{{selectedAccount.billingAddress.country.countryShortName}}

My Support Team

  • {{supportModalInfo.firstName}} {{supportModalInfo.lastName}}
  • {{supportModalInfo.title}}
  • {{supportModalInfo.branch}}
  • {{supportModalInfo.phone}}
  • {{supportModalInfo.email}}
  • {{supportModalInfoTwo.firstName}} {{supportModalInfoTwo.lastName}}
  • {{supportModalInfoTwo.title}}
  • {{supportModalInfoTwo.branch}}
  • {{supportModalInfoTwo.phone}}
  • {{supportModalInfoTwo.email}}
Email: {{supportModalInfo.email}}

Send Quick Message

Email Sent Successfully!


Failed to Send Email!


Send

Invalid Input

Please enter at least three characters in the Part Search field.

  • Home
  • All Products
  • Circuit Protection

TDK - Circuit Protection

9.016 Results

Categories of Circuit Protection

  • Circuit Protection Kits (32)
  • ESD Protection Diodes / TVS Diodes (37)
  • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1.296)
  • Surge Protective Devices - SPD (23)
  • Thermistors (3.792)
  • Varistors (3.836)
9.016 Results
Filtered By:

Download Table

Select how many results you would like to download.
This information is also available using our search API

Part
Availability
Purchasing
RoHS/Lead
Part # Aliases
Datasheet
Mfr: B72220S0551K503
TTI: B72220S0551K503
TDK
Availability:

12.800In Stock

Varistors 550VAC 10% 20mm StandarD

12.800In Stock

Call
or
View Details
B72220S551K503
Datasheet
Mfr: B59650T1120A062
TTI: B59650T1120A062
TDK
Availability:

30.500In Stock

PTC Thermistors OHM % PTC

30.500In Stock

Please adjust quantity to Min / Mult value
B59650T1120A62
Datasheet
Mfr: B72214S0551K331
TTI: B72214S0551K331
TDK
Availability:

7.500In Stock

Varistors 550VAC 10% 14mm StandarD

7.500In Stock

Please adjust quantity to Min / Mult value
B72214S551K331
Datasheet
Mfr: B59772B0120A070
TTI: B59772B0120A070
TDK
Availability:

11.000In Stock

PTC Thermistors PTC Thermistor B 772A 120A 70 8x5

11.000In Stock

Please adjust quantity to Min / Mult value
B59772B
120A
70
B59772B120A70
B59890C0120A070
Datasheet
Mfr: B59970C0160A070
TTI: B59970C0160A070
TDK
Availability:

7.500In Stock

PTC Thermistors 9.4 OHM 25% PTC

7.500In Stock

Please adjust quantity to Min / Mult value
B59970C160A70
Datasheet
Mfr: B57891M0223K000
TTI: B57891M0223K000
TDK
Availability:

3.000In Stock

NTC Thermistors 22k 4300 3%

3.000In Stock

Please adjust quantity to Min / Mult value
B57891M223K
Datasheet
Mfr: B72220Q0321K101
TTI: B72220Q0321K101
TDK
Availability:

7.000In Stock

Varistors 320VAC 10% 20mm EnergetiQ

7.000In Stock

Please adjust quantity to Min / Mult value
B72220Q321K101
B59980C0120A053 TDK
Datasheet
Mfr: B59980C0120A053
TTI: B59980C0120A053
TDK
Availability:

183.000In Stock

PTC Thermistors CUSTOM.

183.000In Stock

Call
or
View Details
Datasheet
Mfr: B72510E1140S272
TTI: B72510E1140S272
TDK
Availability:

300.000In Stock

324.000 On Order
Expected 16-Jun-26
Varistors 16 VDC .3J 42 V-CLMP

300.000In Stock

324.000 On Order
Expected 16-Jun-26
Please adjust quantity to Min / Mult value
CT0805S14BAUTOG2
Datasheet
Mfr: B72660M0300K093
TTI: B72660M0300K093
TDK
Availability:

13.000In Stock

End of Life
Varistors 30VAC 10% 4032mm

13.000In Stock

Please adjust quantity to Min / Mult value
B72660M300K93
Datasheet
Mfr: B59980C0120A051
TTI: B59980C0120A051
TDK
Availability:

27.000In Stock

PTC Thermistors 980-A 120-A 51 5X1 PTC Thermistor

27.000In Stock

Please adjust quantity to Min / Mult value
B59980C120A51
Datasheet
Mfr: B72530T0300K062
TTI: B72530T0300K062
TDK
Availability:

646.000In Stock

Varistors 1210 30V 300A 1000pF Varistor

646.000In Stock

Please adjust quantity to Min / Mult value
B72530T300K62
Datasheet
Mfr: B57321V2103J060
TTI: B57321V2103J060
TDK
Availability:

120.000In Stock

128.000 On Order
Expected
NTC Thermistors COMPLETE MFG PN 871-B57321V2103J60

120.000In Stock

128.000 On Order
Expected
Please adjust quantity to Min / Mult value
B57321V2103J60
Datasheet
Mfr: B72500D0150A060
TTI: B72500D0150A060
TDK
Availability:

200.000In Stock

Varistors 0603 15VDC 30A CeraDiode CDS3C15GTA

200.000In Stock

Please adjust quantity to Min / Mult value
B72500D150A60
Datasheet
Mfr: B72207S0300K111
TTI: B72207S0300K111
TDK
Availability:

37.500In Stock

120.000 On Order
Expected 28-Jul-26
Varistors 30 VAC

37.500In Stock

120.000 On Order
Expected 28-Jul-26
Please adjust quantity to Min / Mult value
B72207S300K111
Datasheet
Mfr: B72510T0300K062
TTI: B72510T0300K062
TDK
Availability:

39.000In Stock

75.000 On Order
Expected 18-Sep-26
Varistors 0805 30V 80A 200pF Varistor

39.000In Stock

75.000 On Order
Expected 18-Sep-26
Please adjust quantity to Min / Mult value
B72510T300K62
Datasheet
Mfr: B72500D0300H060
TTI: B72500D0300H060
TDK
Availability:

48.000In Stock

124.000 On Order
Expected 28-Oct-26
Varistors 0603 30VDC 10pF CeraDiode CDS3C30GTH

48.000In Stock

124.000 On Order
Expected 28-Oct-26
Please adjust quantity to Min / Mult value
B72500D300H60
Datasheet
Mfr: B72520T0140K062
TTI: B72520T0140K062
TDK
Availability:

51.000In Stock

24.000 On Order
Expected 10-Jun-26
Varistors 1206 14V 200A 700pF Varistor

51.000In Stock

24.000 On Order
Expected 10-Jun-26
Please adjust quantity to Min / Mult value
B72520T140K62
Datasheet
Mfr: B72500D0050A060
TTI: B72500D0050A060
TDK
Availability:

388.000In Stock

Varistors COMPLETE MFG PN 871-B72500D50A60

388.000In Stock

Please adjust quantity to Min / Mult value
B72500D50A60
Datasheet
Mfr: B72520T0600K062
TTI: B72520T0600K062
TDK
Availability:

60.000In Stock

Varistors 60 VDC .7J 100 V-CLMP

60.000In Stock

Please adjust quantity to Min / Mult value
B72520T600K62
Datasheet
Mfr: B57421V2103J062
TTI: B57421V2103J062
TDK
Availability:

44.000In Stock

NTC Thermistors 0805 10K 5% B-3650 NTC

44.000In Stock

Please adjust quantity to Min / Mult value
B57421V2103J62
Datasheet
Mfr: B59201J0140B010
TTI: B59201J0140B010
TDK
Availability:

6.336In Stock

PTC Thermistors 20 Ohms +/-30% 550V PTC Thermistor

6.336In Stock

Please adjust quantity to Min / Mult value
B59201J140B10
Datasheet
Mfr: B72650M0131K072
TTI: B72650M0131K072
TDK
Availability:

4.000In Stock

32.000 On Order
Expected
Varistors 130V 400A 100pF Varistor

4.000In Stock

32.000 On Order
Expected
Please adjust quantity to Min / Mult value
B72650M131K72
Datasheet
Mfr: B72510T0140K062
TTI: B72510T0140K062
TDK
Availability:

171.000In Stock

Varistors 0805 14V 120A 350pF Varistor

171.000In Stock

Please adjust quantity to Min / Mult value
B72510T140K62
Datasheet
Mfr: B57321V2103H060
TTI: B57321V2103H060
TDK
Availability:

44.000In Stock

NTC Thermistors COMPLETE MFG PN 871-B57321V2103H60

44.000In Stock

Please adjust quantity to Min / Mult value
B57321V2103H60
  • ...
  • 19
  • 20
  • 21
  • ...

Incoming Inventory

Mfr
TTI
Stock Can ship immediately
On Order
Additional Stock Lead Time Weeks

Alternative Packaging

This part is also available in the following packaging:

Selected Part
TTI Part #Mfr. Part #PackagingPackage / CaseAvailabilityPriceMinMult
Not Assigned
Alternative Packaging Parts
TTI Part #Mfr. Part #PackagingPackage / CaseAvailabilityPriceMinMult

No Parts Selected

Please select one or more parts to use this service.

RoHS/Lead

RoHS Compliance

RoHS Compliant

Hazardous material content for substances listed in the RoHS Directive are within the limits defined in EU Directive 2011/65/EC and relevant amendments.

RoHS Non-Compliant

Hazardous material content for substances listed in RoHS directive exceed the allowable limits defined in the EU Directive 2011/65/EC and relevant amendments.

RoHS Yes Per Exemption

The part number listed has an allowable exemption as defined in the EU Directive 2011/65/EC and relevant amendments,2002/525/EC

RoHS Compliance: In Transition

In Transition This means that our inventory of this part number is presently not RoHS Compliant, however, the manufacturer will be shipping RoHS: Compliant to TTI in the future. This occurs when the manufacturer has decided not to change their part number to indicate RoHS Compliance. Contact TTI to determine the date that the RoHS: Compliant version of this product will be available.

Call to Verify

The part number is still in transition or TTI needs to contact the factory for the current status. Call TTI for help at .

Lead (Pb)

Lead Free

Pb Free

The Pb content of the termination material contains less than .1% by weight as referenced in JEDEC JESD97, paragraph 3.5 . Reference document is EU Commission Decision2002/525/EC, Annex II Notes- from ELV Directive2000/53/EC.

Contains Lead

Contains Pb

The Pb content of the termination material contains > .1% Pb by weight as referenced in JEDEC JESD97, paragraph 3.5. Reference document is EU Commission Decision2002/525/EC, Annex II Notes- from ELV Directive2000/53/EC.

Call to Verify

The part number is still in transition or TTI needs to contact the factory for the current status. Call TTI for help at .

Added To Cart
{{cartPopObject.addedToCartObject.mfrPartNumber}} Added To Cart part
  • Mfr:{{cartPopObject.addedToCartObject.mfrPartNumber}}
  • TTI:{{cartPopObject.addedToCartObject.ttiPartNumber}}
  • {{cartPopObject.addedToCartObject.manufacturer}}
  • Ext. Price:{{cartPopObject.addedToCartObject.extendedPrice}}
  • {{cartPopObject.addedToCartObject.quantity}} @{{cartPopObject.addedToCartObject.price}}
  • {{cartPopObject.addedToCartObject.numberOfReels}} reels of {{cartPopObject.addedToCartObject.partsPerReel}} @{{cartPopObject.addedToCartObject.price}}
  • + $7.00 Per Reel
Cart Total:{{cartPopObject.addedToCartObject.cartTotal}}
View Cart ({{cartPopObject.addedToCartObject.cartPartsCount}} Items)
Back to top
Customer Support
  • Contact Information
  • Internet Sales: +49 8142 6680-100
  • sales@de.ttiinc.com
About Us
  • About TTI Europe
  • Careers
  • News
  • Our Company
  • Family of Specialists
  • Sustainability
Products
  • Lead Time Trends
  • Line Card
  • Manufacturers
  • Product Types
Our Services
  • Order Status
  • Buying on Account (ezBuy)
  • Quote Request
  • View All Services
Connect with Us
  • Newsletter Subscribe
  • Facebook
  • Instagram
  • X
  • Linkedin
  • TTI Global
  • TTI Americas
  • TTI Asia
  • TTI Israel
  • tuv
  • aeo
  • iecq
    IECQ-P BSI 14.0013 (Germany)
    IECQ-P BSI 14.0013-03 (High Wycombe)
  General Conditions of SaleImprintISO RegistrationSitemapTerms of UsePrivacy Policy
Login
Copyright © 2003 - - TTI, Inc. All Rights Reserved.