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MF-USHT010KX/36-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 36V 100MA 1210
- Series：Multifuse®, MF-USHT
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：36V
- Current - Hold (Ih) (Max)：100 mA
- Current - Trip (It)：500 mA
- Current - Max：20 A
- Time to Trip：1.5 s
- Resistance - Initial (Ri) (Min)：1 Ohms
- Resistance - Post Trip (R1) (Max)：7.5 Ohms
- Operating Temperature：-40°C ~ 125°C
- Grade：Automotive
- Qualification：AEC-Q200
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), Concave
- Size / Dimension：0.135" L x 0.110" W (3.43mm x 2.80mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.033" (0.85mm)
- Lead Spacing：-
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Overview
The Bourns MF-USHT010KX/36-2 is a high-temperature surface-mount polymer PTC resettable fuse from the MF-USHT series. Designed for PCB mounting, it features a 1210 (3225 metric) package with SMD/SMT termination. Key electrical parameters include a hold current of 100 mA, trip current of 500 mA, and maximum voltage of 36 V. It supports a maximum rated current of 20 A with an initial resistance of 7.5 ohms. The component operates within a temperature range of -40 °C to +125 °C.
Feature Summary
- High-temperature capability suitable for demanding thermal environments
- Self-resetting protection mechanism utilizing polymer PTC technology
- Compact surface-mount design for efficient PCB integration
Applications
- Automotive electronics circuits requiring high thermal stability
- Industrial control systems with elevated operating temperatures
- Consumer electronics protected against overcurrent conditions
Procurement Notes
Verify the specific suffix '-2' against the manufacturer's official datasheet to confirm exact packaging or tape-and-reel specifications. Ensure the selected variant matches the required 1210 footprint and 36V rating for your circuit design. Cross-reference RoHS compliance status directly with the latest product documentation before procurement.
Selection Notes
Select this component when circuit protection requires operation above standard temperature limits. The 100 mA hold current and 36 V maximum voltage define the operational envelope. Consider the 7.5 ohm initial resistance for voltage drop calculations. The 1210 package size dictates the available board space and soldering profile requirements for assembly.
Part Context
This part belongs to the Bourns MF-USHT series, which expands the manufacturer's portfolio of high-temperature PPTC resettable fuses. The series is engineered for applications where standard polymeric devices may fail due to heat. It complements other Bourns circuit protection solutions by offering reliable overcurrent defense in thermally challenging scenarios.
Replacement Considerations
Consult the official Bourns replacement guide for verified substitutes. Generic equivalents may not match the specific high-temperature performance or 1210 form factor. Verify that any alternative maintains the 36 V rating and 100 mA hold current characteristics.
