The EPCOS B59421A0075A062 is a high-quality PTC thermistor designed for over-temperature protection and temperature sensing applications. Manufactured in Austria, this non-linear resistor offers reliable performance in various electronic systems.
Product Features
Series/Type: B59421
Part Number: B59421A0075A062
Manufacturer: EPCOS (a TDK Group Company)
Country of Origin: Austria (AT)
Package Type: Tape (EIA case sizes 0402 and 0805)
RoHS Compliant: Yes
UL Approved to UL1434
Certified according to IEC 60738-1 and IEC 60730-1; Annex J15 and J17
Lead-free tinned terminations for EIA case sizes 0603 and 0805
Lead-free ceramics for EIA case sizes 0402 and 0805 (except B59421A0135A062)
Reflow soldering compatible
Fast and reliable response for over-temperature protection
Electrical Specifications
R R (V ≤Vmax) Ω
∆R R %
T sense,1 (@ 4.7 kΩ) °C
T sense,2 (@ 47 kΩ) °C
Ordering Code
470
±50
75 ±5
85 ±5
B59421A0075A062
680
±50
70
90
B59721A0070A062
Application Areas
Over-temperature protection of power components
DC/DC converters and SMPS
Notebooks and home appliances
Dimmers and electronic ballasts
Automotive electronics
Secondary protection of battery packs
Technical Details
Suitable for reflow soldering processes
Electrical power during measurement should be below 2 mW for 0402 size and below 4 mW for 0603 size to limit self-heating effects
RoHS compliant and UL approved
Packaging & Delivery
Delivered in blister tape (0805) or cardboard tape (0402 and 0603)
Reel packaging: 180 mm reel with 8 mm tape
Pack quantity: 10,000 pcs for 0402, 4,000 pcs for 0603 and 0805
Dimensions
Refer to the datasheet for detailed dimensional drawings in mm for each EIA case size.
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{"id":10024033190205,"title":"B59421A0075A062","handle":"b59421a0075a062","description":"\u003ch3\u003eEPICOS B59421A0075A062 PTC Thermistor Sensor\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B59421A0075A062 is a high-quality PTC thermistor designed for over-temperature protection and temperature sensing applications. Manufactured in Austria, this non-linear resistor offers reliable performance in various electronic systems.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: B59421\u003c\/li\u003e\n \u003cli\u003ePart Number: B59421A0075A062\u003c\/li\u003e\n \u003cli\u003eManufacturer: EPCOS (a TDK Group Company)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Austria (AT)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tape (EIA case sizes 0402 and 0805)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eUL Approved to UL1434\u003c\/li\u003e\n \u003cli\u003eCertified according to IEC 60738-1 and IEC 60730-1; Annex J15 and J17\u003c\/li\u003e\n \u003cli\u003eLead-free tinned terminations for EIA case sizes 0603 and 0805\u003c\/li\u003e\n \u003cli\u003eLead-free ceramics for EIA case sizes 0402 and 0805 (except B59421A0135A062)\u003c\/li\u003e\n \u003cli\u003eReflow soldering compatible\u003c\/li\u003e\n \u003cli\u003eFast and reliable response for over-temperature protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eR R (V ≤Vmax) Ω\u003c\/th\u003e\n \u003cth\u003e∆R R %\u003c\/th\u003e\n \u003cth\u003eT sense,1 (@ 4.7 kΩ) °C\u003c\/th\u003e\n \u003cth\u003eT sense,2 (@ 47 kΩ) °C\u003c\/th\u003e\n \u003cth\u003eOrdering Code\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e470\u003c\/td\u003e\n \u003ctd\u003e±50\u003c\/td\u003e\n \u003ctd\u003e75 ±5\u003c\/td\u003e\n \u003ctd\u003e85 ±5\u003c\/td\u003e\n \u003ctd\u003eB59421A0075A062\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e680\u003c\/td\u003e\n \u003ctd\u003e±50\u003c\/td\u003e\n \u003ctd\u003e70\u003c\/td\u003e\n \u003ctd\u003e90\u003c\/td\u003e\n \u003ctd\u003eB59721A0070A062\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOver-temperature protection of power components\u003c\/li\u003e\n \u003cli\u003eDC\/DC converters and SMPS\u003c\/li\u003e\n \u003cli\u003eNotebooks and home appliances\u003c\/li\u003e\n \u003cli\u003eDimmers and electronic ballasts\u003c\/li\u003e\n \u003cli\u003eAutomotive electronics\u003c\/li\u003e\n \u003cli\u003eSecondary protection of battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eElectrical power during measurement should be below 2 mW for 0402 size and below 4 mW for 0603 size to limit self-heating effects\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and UL approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Delivery\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDelivered in blister tape (0805) or cardboard tape (0402 and 0603)\u003c\/li\u003e\n \u003cli\u003eReel packaging: 180 mm reel with 8 mm tape\u003c\/li\u003e\n \u003cli\u003ePack quantity: 10,000 pcs for 0402, 4,000 pcs for 0603 and 0805\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the datasheet for detailed dimensional drawings in mm for each EIA case size.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b59421a0075a062.pdf\" target=\"_blank\"\u003eEPS B59421A0075A062 Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T01:11:58+05:30","created_at":"2025-08-14T01:11:58+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["EPCOS","IMPORT_CSV","Linear","Non","PTC","Resistors","WLDM"],"price":4851,"price_min":4851,"price_max":4851,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50617331122493,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B59421A0075A062","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B59421A0075A062","public_title":null,"options":["Default Title"],"price":4851,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B59421A0075A062","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/54954757.jpg?v=1755114121"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54954757.jpg?v=1755114121","options":["Title"],"media":[{"alt":null,"id":45825150943549,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54954757.jpg?v=1755114121"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54954757.jpg?v=1755114121","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eEPICOS B59421A0075A062 PTC Thermistor Sensor\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B59421A0075A062 is a high-quality PTC thermistor designed for over-temperature protection and temperature sensing applications. Manufactured in Austria, this non-linear resistor offers reliable performance in various electronic systems.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: B59421\u003c\/li\u003e\n \u003cli\u003ePart Number: B59421A0075A062\u003c\/li\u003e\n \u003cli\u003eManufacturer: EPCOS (a TDK Group Company)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Austria (AT)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tape (EIA case sizes 0402 and 0805)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eUL Approved to UL1434\u003c\/li\u003e\n \u003cli\u003eCertified according to IEC 60738-1 and IEC 60730-1; Annex J15 and J17\u003c\/li\u003e\n \u003cli\u003eLead-free tinned terminations for EIA case sizes 0603 and 0805\u003c\/li\u003e\n \u003cli\u003eLead-free ceramics for EIA case sizes 0402 and 0805 (except B59421A0135A062)\u003c\/li\u003e\n \u003cli\u003eReflow soldering compatible\u003c\/li\u003e\n \u003cli\u003eFast and reliable response for over-temperature protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eR R (V ≤Vmax) Ω\u003c\/th\u003e\n \u003cth\u003e∆R R %\u003c\/th\u003e\n \u003cth\u003eT sense,1 (@ 4.7 kΩ) °C\u003c\/th\u003e\n \u003cth\u003eT sense,2 (@ 47 kΩ) °C\u003c\/th\u003e\n \u003cth\u003eOrdering Code\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e470\u003c\/td\u003e\n \u003ctd\u003e±50\u003c\/td\u003e\n \u003ctd\u003e75 ±5\u003c\/td\u003e\n \u003ctd\u003e85 ±5\u003c\/td\u003e\n \u003ctd\u003eB59421A0075A062\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e680\u003c\/td\u003e\n \u003ctd\u003e±50\u003c\/td\u003e\n \u003ctd\u003e70\u003c\/td\u003e\n \u003ctd\u003e90\u003c\/td\u003e\n \u003ctd\u003eB59721A0070A062\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication Areas\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOver-temperature protection of power components\u003c\/li\u003e\n \u003cli\u003eDC\/DC converters and SMPS\u003c\/li\u003e\n \u003cli\u003eNotebooks and home appliances\u003c\/li\u003e\n \u003cli\u003eDimmers and electronic ballasts\u003c\/li\u003e\n \u003cli\u003eAutomotive electronics\u003c\/li\u003e\n \u003cli\u003eSecondary protection of battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSuitable for reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eElectrical power during measurement should be below 2 mW for 0402 size and below 4 mW for 0603 size to limit self-heating effects\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and UL approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Delivery\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDelivered in blister tape (0805) or cardboard tape (0402 and 0603)\u003c\/li\u003e\n \u003cli\u003eReel packaging: 180 mm reel with 8 mm tape\u003c\/li\u003e\n \u003cli\u003ePack quantity: 10,000 pcs for 0402, 4,000 pcs for 0603 and 0805\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cp\u003eRefer to the datasheet for detailed dimensional drawings in mm for each EIA case size.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, download the datasheet here: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b59421a0075a062.pdf\" target=\"_blank\"\u003eEPS B59421A0075A062 Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
