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 0.14A 60V 1812 16,541En existencias
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 140 mA 60 VDC 340 mA 10 A 6 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 15V 2016 1.50A SURF MOUNT 7,549En existencias
Min.: 1
Mult.: 1
: 1,500

2016L SMD/SMT SMD/SMT 1.5 A 15 VDC 3 A 40 A 180 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 24V 2920 2A POLYFUSE 11,705En existencias
Min.: 1
Mult.: 1
: 1,500

2920L SMD/SMT SMD/SMT 2 A 24 VDC 4 A 40 A 125 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 60V 1.10A RADIAL LEADS 2,683En 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 .9A 30V SMD AEC-Q200 6,925En existencias
Min.: 1
Mult.: 1
: 2,000

ASMD SMD/SMT SMD/SMT 900 mA 30 VDC 2.16 A 40 A 480 mOhms 2920 (7450 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC .16A 240VAC 20/2A Imax 6,006En existencias
7,000Se espera el 8/09/2026
Min.: 1
Mult.: 1

LVR PCB Mount Radial 160 mA 120 VAC/VDC 370 mA 20 A 7.8 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Fusibles reajustables - PPTC 30V 40A 1.75Ohms 16,918En existencias
Min.: 1
Mult.: 1
: 2,000

miniSMD SMD/SMT SMD/SMT 300 mA 30 VDC 600 mA 40 A 1.75 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC .50A 24V 100A Imax 43,094En existencias
86,000Se espera el 13/10/2026
Min.: 1
Mult.: 1
: 2,000

miniSMD SMD/SMT SMD/SMT 500 mA 24 VDC 1 A 100 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 24V 750MA-HD 40A MAX 15,099En existencias
Min.: 1
Mult.: 1
: 1,500

miniSMD SMD/SMT SMD/SMT 750 mA 24 VDC 1.5 A 40 A 290 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC .12A 48V Nano SMD AEC-Q200 7,757En existencias
Min.: 1
Mult.: 1
: 3,000

nanoASMDC SMD/SMT SMD/SMT 120 mA 48 VDC 390 mA 10 A 6.5 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC .35A 16V Nano SMD AEC-Q200 8,397En existencias
Min.: 1
Mult.: 1
: 3,000

nanoASMDC SMD/SMT SMD/SMT 350 mA 16 VDC 750 mA 20 A 1.35 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 3A 30V 100A Imax 12,927En existencias
22,710Se espera el 13/08/2026
Min.: 1
Mult.: 1

RUEF PCB Mount Radial 3 A 30 VDC 6 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Fusibles reajustables - PPTC 3A 30V 100A Imax 8,196En existencias
Min.: 1
Mult.: 1
: 2,500

RUEF PCB Mount Radial 3 A 30 VDC 6 A 100 A 80 mOhms - 40 C + 85 C 5.8 mm Reel, Cut Tape
Littelfuse Fusibles reajustables - PPTC Radial Lead .3A 72V 40A Imax 17,280En existencias
23,500Se espera el 22/09/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 300 mA 72 VDC 600 mA 40 A 2.1 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Fusibles reajustables - PPTC Radial Lead .5A 72V 40A Imax 20,312En existencias
37,446En pedido
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 500 mA 72 VDC 1 A 40 A 1.17 Ohms - 40 C + 85 C 5.8 mm Bulk
Littelfuse Fusibles reajustables - PPTC Radial Lead 2.5A 72V 40A Imax 19,646En existencias
14,400Se espera el 13/08/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 2.5 A 72 VDC 5 A 40 A 130 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Fusibles reajustables - PPTC Radial Lead 3A 72V 40A Imax 4,528En existencias
7,500Se espera el 14/10/2026
Min.: 1
Mult.: 1

RXEF PCB Mount Radial 3 A 72 VDC 6 A 40 A 100 mOhms - 40 C + 85 C 10.9 mm Bulk
Littelfuse Fusibles reajustables - PPTC .75A 30V 40A Imax 15,888En existencias
18,000Se espera el 30/11/2026
Min.: 1
Mult.: 1
: 2,000

SMD SMD/SMT SMD/SMT 750 mA 30 VDC 1.5 A 40 A 1 Ohms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC 15V 40A 0.05Ohms 6,101En existencias
Min.: 1
Mult.: 1
: 2,000

SMD SMD/SMT SMD/SMT 3 A 15 VDC 6 A 40 A 50 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Fusibles reajustables - PPTC SRP175F 6,754En existencias
8,000Se espera el 23/11/2026
Min.: 1
Mult.: 1

SRP Strap Mount SMD/SMT 1.75 A 15 VDC 3.8 A 100 A 120 mOhms - 40 C + 85 C Bulk
Littelfuse Fusibles reajustables - PPTC SRP200F 17,138En existencias
37,000En pedido
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
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 65,956En 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 34,402En existencias
48,000Se espera el 21/09/2026
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