PTC Resettable Fuses

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Mfr Part #	Quantity Available	Price	Series	Package	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)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing

0ZCG0050AF2C PTC RESET FUSE 30V 500MA 1812 Bel Fuse Inc.	171,402 In Stock	1 : ¥1.31000 Cut Tape (CT) 2,000 : ¥0.63294 Tape & Reel (TR)	0ZCG	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	30V	500 mA	1 A	100 A	150 ms	150 mOhms	1 Ohms	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.030" (0.75mm)	-
0ZCH0005FF2E PTC RESET FUSE 60V 50MA 1210 Bel Fuse Inc.	38,059 In Stock	1 : ¥1.31000 Cut Tape (CT) 3,000 : ¥0.59570 Tape & Reel (TR)	0ZCH	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	50 mA	150 mA	10 A	1.5 s	3.6 Ohms	50 Ohms	-40°C ~ 85°C	-	-	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.045" (1.15mm)	-
0ZCF0185FF2C PTC RESET FUSE 33V 1.85A 2920 Bel Fuse Inc.	139,445 In Stock	1 : ¥2.55000 Cut Tape (CT) 2,000 : ¥1.22072 Tape & Reel (TR)	0ZCF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	33V	1.85 A	3.7 A	100 A	2.5 s	40 mOhms	150 mOhms	-40°C ~ 85°C	-	-	-	Surface Mount	2920 (7351 Metric), Concave	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
0ZCF0050FF2C PTC RESET FUSE 60V 500MA 2920 Bel Fuse Inc.	116,426 In Stock	1 : ¥2.55000 Cut Tape (CT) 2,000 : ¥1.22072 Tape & Reel (TR)	0ZCF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	500 mA	1 A	100 A	4 s	300 mOhms	1.4 Ohms	-40°C ~ 85°C	-	-	-	Surface Mount	2920 (7351 Metric), Concave	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
0ZCF0100AF2A PTC RESET FUSE 60V 1A 2920 Bel Fuse Inc.	60,053 In Stock	1 : ¥4.68000 Cut Tape (CT) 1,000 : ¥2.10696 Tape & Reel (TR)	0ZCF	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	60V	1 A	2 A	100 A	500 ms	90 mOhms	410 mOhms	-40°C ~ 85°C	-	-	-	Surface Mount	2920 (7351 Metric), Concave	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.067" (1.70mm)	-
2920L150DR PTC RESET FUSE 33V 1.5A 2920 Littelfuse Inc.	10,929 In Stock 97,500 Factory	1 : ¥5.50000 Cut Tape (CT) 1,500 : ¥2.14708 Tape & Reel (TR)	POLY-FUSE®, 2920L	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Polymeric	33V	1.5 A	3 A	40 A	2 s	80 mOhms	230 mOhms	-40°C ~ 85°C	-	-	-	Surface Mount	2920 (7351 Metric), Concave	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
RXEF250 PTC RESET FUSE 72V 2.5A RADIAL Littelfuse Inc.	1,345 In Stock	1 : ¥5.75000 Bag	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	2.5 A	5 A	40 A	15.6 s	50 mOhms	130 mOhms	-40°C ~ 85°C	-	-	-	Through Hole	Radial, Disc	0.819" Dia x 0.118" T (20.80mm x 3.00mm)	1.000" (25.40mm)	-	0.400" (10.15mm)

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PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.