PTC Resettable Fuses

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Type	Voltage - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Current - Max	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
FSMD100-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	2,900	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	33V	1.1 A	2.2 A	100 A	500 ms	90 mOhms	410 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.039" (1.00mm)	-
FSMD030-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	60V	300 mA	600 mA	100 A	3 s	1 Ohms	4.8 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
FSMD125-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	33V	1.25 A	2.5 A	100 A	2 s	50 mOhms	250 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
FSMD300-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,850	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	6V	3 A	5.2 A	100 A	25 s	10 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
FSMD150-1206R RESETTABLE FUSE - SMD, 1206 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	1206 (3216 Metric), Concave	FSMD1206	Tape & Reel (TR)	Active	-	8V	1.5 A	3 A	100 A	1 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.055" (1.40mm)	-
FSMD150-12R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,850	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	12V	1.5 A	3 A	100 A	500 ms	40 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.043" (1.10mm)	-
FSMD200R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,400	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	8V	2 A	3.5 A	100 A	2 s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.047" (1.20mm)	-
FSMD150-24R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,300	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	24V	1.5 A	3 A	100 A	1.5 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.061" (1.55mm)	-
FSMD100-0805R RESETTABLE FUSE - SMD, 0805 SIZE RFE/Fuzetec	2,850	-	RFQ	Datasheet	0805 (2012 Metric), Concave	FSMD0805	Tape & Reel (TR)	Active	-	6V	1 A	1.95 A	100 A	300 ms	60 mOhms	210 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.071" (1.80mm)	-
FSMD075-60-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,800	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	60V	750 mA	1.5 A	100 A	300 ms	180 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-

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FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.

How can I narrow the PTC Resettable Fuses selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.