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MINISMDC160F-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 9V 1.6A 1812
- Series：PolySwitch®, miniSMD
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：9V
- Current - Hold (Ih) (Max)：1.6 A
- Current - Trip (It)：3.2 A
- Current - Max：100 A
- Time to Trip：1 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：100 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1812 (4532 Metric), Concave
- Size / Dimension：0.179" L x 0.128" W (4.55mm x 3.24mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.019" (0.48mm)
- Lead Spacing：-
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Overview
The Littelfuse MINISMDC160F-2 is a PolySwitch resettable PPTC fuse designed for surface mount applications. It features a 1.6 A hold current and a 9 VDC maximum voltage rating. The device trips at 3.2 A with a maximum resistance of 100 mOhms. It supports a maximum fault current of 100 A and dissipates up to 800 mW. Housed in an 1812 (4532 metric) package, it operates between -40°C and +85°C.
Feature Summary
- Provides automatic circuit protection through polymer positive temperature coefficient technology
- Enables self-resetting functionality after fault conditions clear without manual intervention
- Designed for compact surface mount integration on printed circuit boards
Applications
- Portable electronic devices requiring overcurrent protection
- Consumer electronics circuits needing resettable safety components
- Automotive infotainment and accessory power lines
Procurement Notes
Verify the specific Littelfuse datasheet for detailed thermal derating curves and pulse withstand ratings before finalizing designs. Confirm that the 1812 footprint matches the target PCB layout dimensions. Ensure supply chain sources provide genuine components with valid traceability documentation to guarantee performance reliability in critical applications.
Selection Notes
Select this component when a low-profile SMD solution is required for circuits operating at 9V or lower. The 1.6A hold current suits moderate load protection needs. Consider the 100mA initial resistance impact on signal integrity. Evaluate thermal management requirements given the 800mW power dissipation capability within the specified temperature range.
Part Context
This part belongs to the miniSMD series of PolySwitch resettable fuses. It represents a compact form factor option within Littelfuse's broader circuit protection portfolio. The series targets space-constrained modern electronics where traditional fuses are impractical due to size or maintenance requirements.
Replacement Considerations
The discontinued 1812L160ZRT is listed as a direct substitute. Verify electrical compatibility including the 8V vs 9V voltage rating difference. Confirm physical footprint alignment despite slight dimensional variations between the two packages.
