PTC Fuses for AC/DC Power Supplies

A Positive Thermal Coefficient fuse, or PTC thermistor, is a thermally sensitive semiconductor resistor that increases in resistance as temperature increases to limit current to a load. When the voltage input for a power supply is too far above or below what is specified, the excess current can damage components. Besides shutting down the power supply altogether, one can effectively limit the current by using the predictable resistive response of a PTC.

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Resultados: 122
Seleccionar Imagen N.° de pieza Fabricante: Descripción Hoja de datos Disponibilidad Precio: (PEN) Filtre los resultados en la tabla por precio unitario en función de su cantidad. Cantidad RoHS Modelo ECAD Serie Estilo de montaje Estilo de terminación Corriente de retención Voltaje máximo Corriente de disparo Valor nominal de corriente - Máx. Resistencia Paquete / Cubierta Temperatura de trabajo mínima Temperatura de trabajo máxima Espaciado de conductor Calificación Empaquetado
Littelfuse Fusibles reajustables - PPTC SRP200F 19,138En existencias
35,000Se espera el 7/12/2026
Min.: 1
Mult.: 1

SRP Strap Mount SMD/SMT 2 A 30 VDC 4.4 A 100 A 100 mOhms - 40 C + 85 C Bulk
Littelfuse Fusibles reajustables - PPTC .12A 60VDC 250VRMS 7,728En existencias
2,000En pedido
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 120 mA 60 VDC 240 mA 3 A 16 Ohms - 40 C + 85 C 5 mm Bulk
Bourns Fusibles reajustables - PPTC RESETTABLE FUSE 230VOLT 10OHM 9,800En existencias
Min.: 1
Mult.: 1

CMF-RL PCB Mount Radial 150 mA 60 VDC 300 mA 3 A 10 Ohms - 40 C + 125 C 5 mm Tray
Bourns Fusibles reajustables - PPTC 60V 100MA-HD 40A MAX 65,855En existencias
Min.: 1
Mult.: 1
: 3,000

MF-MSMF SMD/SMT SMD/SMT 100 mA 60 VDC 300 mA 40 A 15 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Fusibles reajustables - PPTC 30V 120MA-HD 10A MAX 34,382En existencias
48,000Se espera el 26/08/2026
Min.: 1
Mult.: 1
: 3,000

MF-NSMF SMD/SMT SMD/SMT 120 mA 30 VDC 290 mA 10 A 8.5 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Bourns Fusibles reajustables - PPTC 72V 1.1A-HD 40A MAX 4,119En existencias
Min.: 1
Mult.: 1
: 3,000

MF-RX/72 PCB Mount Radial 1.1 A 72 VDC 2.2 A 40 A 250 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Bourns Fusibles reajustables - PPTC 30V 1.85A-HD 40A MAX 6,085En existencias
12,000Se espera el 7/09/2026
Min.: 1
Mult.: 1

MF-R PCB Mount Radial 1.85 A 30 VDC 3.7 A 40 A 70 mOhms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC PTC 16V 10A POLY RADIAL LEADS 1,656En existencias
Min.: 1
Mult.: 1
: 1,000

16R PCB Mount Radial 10 A 16 VDC 17 A 100 A 10.2 mOhms - 40 C + 85 C 5.1 mm Reel, Cut Tape
Littelfuse Fusibles reajustables - PPTC PTC 16V 3A POLY RADIAL LEADS 1,375En existencias
Min.: 1
Mult.: 1

16R PCB Mount Radial 3 A 16 VDC 5.1 A 100 A 97.5 mOhms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC 1812 15V .5A 1,643En existencias
8,000Se espera el 27/10/2026
Min.: 1
Mult.: 1
: 2,000

1812L SMD/SMT SMD/SMT 500 mA 15 VDC 1 A 100 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 1812 13.2V 0.75A 4,336En existencias
Min.: 1
Mult.: 1
: 2,000

1812L SMD/SMT SMD/SMT 750 mA 13.2 VDC 1.5 A 100 A 450 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC PTC POLYFUSE TELECOM 60V/250V .080A 2,076En existencias
Min.: 1
Mult.: 1
: 1,200

250R PCB Mount Radial 80 mA 60 VDC 160 mA 3 A 33 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Fusibles reajustables - PPTC PTC 250/60V POLYFUSE SMD RA 2,377En existencias
Min.: 1
Mult.: 1
: 1,500

250S PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 10 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC PTC 250/60V POLYFUSE SMD RB 1,103En existencias
1,500Se espera el 21/09/2026
Min.: 1
Mult.: 1
: 1,500

250S PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 13 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 1.10A 33V 2920 3,927En existencias
32,000En pedido
Min.: 1
Mult.: 1
: 2,000

2920L SMD/SMT SMD/SMT 1.1 A 33 VDC 2.2 A 40 A 410 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 30V POLYFUSE 1.10A RADIAL LEADS 630En existencias
Min.: 1
Mult.: 1

30R PCB Mount Radial 1.1 A 30 VDC 2.2 A 40 A 170 mOhms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC PTC 60V/600V.160A POLY TELECOM 15En existencias
1,000Se espera el 1/12/2026
Min.: 1
Mult.: 1
: 500

600R PCB Mount Radial 160 mA 60 VDC 320 mA 3 A 18 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Fusibles reajustables - PPTC 60V POLYFUSE .100A RADIAL LEADS 2,078En existencias
Min.: 1
Mult.: 1

60R PCB Mount Radial 100 mA 60 VDC 200 mA 40 A 7.5 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC 60V POLYFUSE .300A RADIAL LEADS 969En existencias
Min.: 1
Mult.: 1

60R PCB Mount Radial 300 mA 60 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC 60V .400A RADIAL LEADS 2,764En existencias
Min.: 1
Mult.: 1
: 2,000

60R PCB Mount Radial 400 mA 60 VDC 800 mA 40 A 1.29 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Fusibles reajustables - PPTC 60V POLYFUSE .400A RADIAL LEADS 2,449En existencias
Min.: 1
Mult.: 1

60R PCB Mount Radial 400 mA 60 VDC 800 mA 40 A 1.29 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC 60V .500A RADIAL LEADS 2,830En existencias
Min.: 1
Mult.: 1
: 2,000

60R PCB Mount Radial 500 mA 60 VDC 1 A 40 A 1.17 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Fusibles reajustables - PPTC 60V POLYFUSE .500A RADIAL LEADS 2,129En existencias
Min.: 1
Mult.: 1

60R PCB Mount Radial 500 mA 60 VDC 1 A 40 A 1.17 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Fusibles reajustables - PPTC 60V 1.10A RADIAL LEADS 2,583En existencias
Min.: 1
Mult.: 1
: 1,000

60R PCB Mount Radial 1.1 A 60 VDC 2.2 A 40 A 380 mOhms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Fusibles reajustables - PPTC 60V POLYFUSE 1.10A RADIAL LEADS 1,169En existencias
1,500Se espera el 7/10/2026
Min.: 1
Mult.: 1

60R PCB Mount Radial 1.1 A 60 VDC 2.2 A 40 A 380 mOhms - 40 C + 85 C 5.1 mm Bulk