PolySwitch Telecommunication Resettable PTCs

Littelfuse PolySwitch Telecom Resettable PTCs are designed to protect against short-duration high-voltage fault currents typically found in telecom applications. These components help provide protection against damage caused by power cross and power induction surges, as well as help improve the reliability of customer premise and network equipment worldwide. Littelfuse PolySwitch Telecom Resettable PTCs are compatible with high-volume electronics assembly, assist in meeting regulatory equipment requirements, help improve line balance, and are applicable for legacy POTS and modern digital communications equipment. These devices are available in chip, surface-mount, or radial-leaded configurations.

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Qty. RoHS ECAD Model Series
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Termination Style
Hold Current
Maximum Voltage
Trip Current
Current Rating - Max
Resistance
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Maximum Operating Temperature
Lead Spacing
Packaging
Littelfuse Resettable Fuses - PPTC 0.15A 600V RADIAL
Datasheet
1 240In Stock
Min.: 1
Mult.: 1

600R PCB Mount Radial 150 mA 60 VDC 300 mA 3 A 20 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Resettable Fuses - PPTC PTC 60V/600V.150A POLY TELECOM
Datasheet
1 376In Stock
Min.: 1
Mult.: 1
: 1 200

600R PCB Mount Radial 150 mA 60 VDC 300 mA 3 A 17 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Resettable Fuses - PPTC PTC 60V/600V.160A POLY TELECOM
Datasheet
35In Stock
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 Resettable Fuses - PPTC .15A 60Vdc600V Fuses Radial Lead Resetbl
Datasheet
421In Stock
Min.: 1
Mult.: 1

TR600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 22 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .15A 60Vdc 600V
Datasheet
1 064In Stock
Min.: 1
Mult.: 1
: 600

TR600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 22 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 60V 3A 25Ohms
Datasheet
1 342In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 55 mA 60 VDC 170 mA 3 A 35 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .08A 60UDE MAX 250Vrms MAX
Datasheet
532In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 80 mA 60 VDC 160 mA 3 A 33 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC 16 Ohms 3 A 60 VDC - 40 C+ 85 C
Datasheet
243In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 110 mA 60 VDC 220 mA 3 A 16 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC TRF250-110U-B-0.5-2
Datasheet
1 270In Stock
Min.: 1
Mult.: 1
: 1 500
TRF250 PCB Mount Radial 110 mA 60 V 220 mA 3 A 5 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 250V .12A-HD 3A MAX
Datasheet
2 859In Stock
Min.: 1
Mult.: 1
: 1 500

TRF250 PCB Mount Radial 120 mA 60 VDC 240 mA 3 A 16 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 16 Ohms 3 A 60 V - 40 C+ 85 C
Datasheet
574In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 120 mA 60 V 240 mA 3 A 16 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .12A 60Vdc MAX 250Vrms
Datasheet
500In Stock
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
Littelfuse Resettable Fuses - PPTC 250V .145A-HD 3A MAX
Datasheet
1 489In Stock
Min.: 1
Mult.: 1
: 1 500

TRF250 PCB Mount Radial 145 mA 60 VDC 290 mA 3 A 14 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC .18A 250V
Datasheet
5In Stock
2 000On Order
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 180 mA 100 VDC 650 mA 10 A 4 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .18A 250V
Datasheet
2 599In Stock
Min.: 1
Mult.: 1
: 1 500

TRF250 PCB Mount Radial 180 mA 100 VDC 650 mA 10 A 4 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC Polyswitch 0.183A straight
Datasheet
500In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 183 mA 100 VDC 685 mA 10 A 3.4 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC 100Vdc 10Arms PolySwitch Reset Dev
Datasheet
523In Stock
Min.: 1
Mult.: 1

TRF250 PCB Mount Radial 184 mA 100 VDC 1 A 10 A 3.1 Ohms 0 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .12A 250V
Datasheet
2 565In Stock
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
Littelfuse Resettable Fuses - PPTC 600V .15A-HD 3A MAX
Datasheet
1 509In Stock
Min.: 1
Mult.: 1

TRF600 PCB Mount Radial 130 mA 250 VDC 300 mA 3 A 22 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .16A 250Vdc 600V RMS
Datasheet
600In Stock
Min.: 1
Mult.: 1
: 600

TRF600 PCB Mount Radial 160 mA 250 VDC 320 mA 3 A 18 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 7 Ohms 3 A 250 VDC - 40 C+ 85 C
Datasheet
1 451In Stock
Min.: 1
Mult.: 1

TRF600 PCB Mount Radial 250 mA 250 VDC 850 mA 3 A 7 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC 60V 3A 1.45Ohms
Datasheet
605In Stock
Min.: 1
Mult.: 1

TRF600 PCB Mount Radial 400 mA 60 VDC 1 A 3 A 1.9 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC Polyswitch 0.26A Restive Range -2
Datasheet
1 120In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 500

TS250 PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 15 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC Polyswitch 0.26A
Datasheet
820In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 500

TS250 PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 20 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 250V .250A-HD 3A MAX (R)
Datasheet
107In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

TSM600 PCB Mount SMD/SMT 250 mA 250 VDC 860 mA 3 A 5 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel