FSMD075-33R

$0.23

Description：RESETTABLE FUSE - SMD, 1812 SIZE
Series：FSMD1812
Mfr：RFE/Fuzetec
Package：Tape & Reel (TR)

SKU:21518a1f5847 Category: PTC Resettable Fuses Brand: RFE/Fuzetec

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Product introduction

FSMD075-33R is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists RFE/Fuzetec. Its product description is RESETTABLE FUSE - SMD, 1812 SIZE. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for FSMD075-33R

Description：RESETTABLE FUSE - SMD, 1812 SIZE
Series：FSMD1812
Mfr：RFE/Fuzetec
Package：Tape & Reel (TR)
Type：-
Voltage - Max：33V
Current - Hold (Ih) (Max)：750 mA
Current - Trip (It)：1.5 A
Current - Max：100 A
Time to Trip：200 ms
Resistance - Initial (Ri) (Min)：110 mOhms
Resistance - Post Trip (R1) (Max)：400 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)：0.061" (1.55mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for FSMD075-33R

FSMD075-33R

Ptc Resettable Fuses Overview

The FSMD075-33R is a surface-mountable PTC resettable fuse from the FSMD1812 series, manufactured by RFE/Fuzetec. It features a hold current (Ih) of 0.75 A and a trip current of 1.50 A. The device operates at a maximum voltage of 33 V and has a maximum resistance of 1.0 Ohm. Physical dimensions are 4.5 mm in length, 3.2 mm in width, and 2.0 mm in height. It is rated for an operating temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

Solid-state design with small surface mountable form factor
Faster time to trip compared to standard fuses
RoHS compliant and halogen-free construction

Ptc Resettable Fuses Applications

High-density circuit boards
Overcurrent protection in portable electronics
Interface circuits requiring compact protection

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific reel packaging requirements prior to ordering. Ensure storage conditions align with manufacturer specifications to maintain performance integrity. Cross-reference datasheet revisions to confirm parameter consistency.

Ptc Resettable Fuses Selection Notes

Select this component when space constraints require an 1812 package size. Choose based on the 0.75 A hold current requirement for normal operation. Verify that the 33 V maximum voltage rating exceeds the circuit's operating voltage. Consider the thermal environment to ensure the -40°C to +85°C range covers application needs.

Ptc Resettable Fuses Part Context

This part belongs to the FSMD1812 series of surface-mountable PTC resettable fuses. The series offers solid-state overcurrent protection alternatives to traditional fusible links. The FSMD075-33R specifically targets applications needing compact protection with defined electrical thresholds.