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Product Detailed Parameters
- Description:PTC RESET FUSE 36V 160MA 1210
- Series:Multifuse®, MF-USHT
- Mfr:Bourns Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Type:Polymeric
- Voltage - Max:36V
- Current - Hold (Ih) (Max):160 mA
- Current - Trip (It):800 mA
- Current - Max:20 A
- Time to Trip:100 ms
- Resistance - Initial (Ri) (Min):700 mOhms
- Resistance - Post Trip (R1) (Max):6 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-USHT016KX/36-2 is a surface-mount polymer PTC resettable fuse from the high-temperature MF-USHT series. It features a 1210 (3225 metric) package with a hold current of 160 mA and a trip current of 800 mA. The device supports a maximum voltage of 36 V and a maximum fault current of 20 A. Initial resistance is typically 7.5 ohms. It operates within a temperature range of -40°C to +125°C, providing overcurrent protection for compact electronic circuits.
Feature Summary
- High-temperature polymer construction suitable for demanding thermal environments
- Surface-mount design for automated PCB assembly processes
- Self-resetting functionality eliminates the need for manual replacement after fault clearance
Applications
- Automotive electronics systems requiring AEC-Q200 compliance
- Industrial instrumentation circuit protection
- Consumer electronics power input stages
- Telecommunications equipment surge protection
Procurement Notes
Verify component authenticity through authorized Bourns distributors or direct channels. Confirm RoHS compliance status and specific tape-and-reel packaging requirements prior to ordering. Ensure storage conditions maintain integrity of the polymer material. Request official datasheets and certification documents to validate specifications against project requirements.
Selection Notes
Select this component when circuit protection requires operation at elevated temperatures beyond standard PTC limits. The 160 mA hold current suits low-power signal lines. The 36 V rating defines the maximum system voltage tolerance. Evaluate thermal dissipation capabilities in dense PCB layouts to ensure reliable tripping characteristics under continuous load conditions.
Part Context
This part belongs to the MF-USHT series, an expansion of Bourns' high-temperature PPTC line. The series targets automotive and industrial applications where standard resettable fuses fail due to thermal constraints. The 1210 footprint allows for space-constrained designs while maintaining robust fault handling capabilities compared to smaller packages.
Replacement Considerations
Direct substitutes include other MF-USHT series variants with adjusted current ratings such as MF-USHT010KX/36-2 or MF-USHT020KX/36-2. Cross-reference package dimensions and electrical parameters to ensure compatibility with existing PCB footprints and circuit protection thresholds.
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