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.

Results: 99
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Mounting Style Termination Style Hold Current Maximum Voltage Trip Current Current Rating - Max Resistance Package / Case Minimum Operating Temperature Maximum Operating Temperature Lead Spacing Packaging
Littelfuse Resettable Fuses - PPTC PTC 60V/250V.120A POLY TELECOM 2,400In Stock
$1.45
$1.34
$1.10
$1.02
Reel
$0.688
Min.: 1
Mult.: 1
: 1,200
250R PCB Mount Radial 120 mA 60 VDC 240 mA 3 A 16 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Resettable Fuses - PPTC 0.12A 250V RADIAL 3,881In Stock
$0.72
$0.642
$0.487
$0.462
Min.: 1
Mult.: 1
250R PCB Mount Radial 120 mA 60 VDC 240 mA 3 A 16 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Resettable Fuses - PPTC .15A 250Vdc 600Vrms 7,631In Stock
Cut Tape
$1.28
$0.992
$0.837
$0.816
Reel
$0.625
Min.: 1
Mult.: 1
: 1,500
TRF600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 17 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC TRF600-160-RA-B-0.5 6,515In Stock
$1.38
$1.04
$0.778
$0.76
Min.: 1
Mult.: 1
TRF600 PCB Mount Radial 160 mA 250 VDC 320 mA 3 A 16 Ohms - 40 C + 85 C 5 mm
Littelfuse Resettable Fuses - PPTC 250V 3A 10Ohms 255In Stock
$1.23
$1.13
$0.885
$0.865
Min.: 1
Mult.: 1
TRF600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 17 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC 250V .12A-HD 3A MAX 2,551In Stock
Cut Tape
$0.87
$0.795
$0.627
$0.607
Reel
$0.391
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 PTC 60V/250V.145A POLY TELECOM 1,813In Stock
$0.94
$0.868
$0.705
$0.665
Reel
$0.404
Min.: 1
Mult.: 1
: 1,200
250R PCB Mount Radial 145 mA 60 VDC 290 mA 3 A 14 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Resettable Fuses - PPTC 250/60V 0.13A PTC Vertical 6,182In Stock
Cut Tape
$1.03
$0.914
$0.773
$0.725
Reel
$0.514
Min.: 1
Mult.: 1
: 1,200
250S PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 13 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .08A 60Vdc MAX 250Vrms MAX 10,306In Stock
15,000Expected 1/5/2027
$0.67
$0.617
$0.512
$0.473
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 .12A 60VDC 250VRMS 5,575In Stock
2,000On Order
$0.71
$0.653
$0.542
$0.481
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 .145A 60Vdc MAX 250Vrms MAX 4,705In Stock
5,500Expected 10/6/2026
$0.71
$0.653
$0.542
$0.501
Min.: 1
Mult.: 1
TRF250 PCB Mount Radial 145 mA 60 VDC 290 mA 3 A 14 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC .15A 250Vdc 3A RMS INTER 7,499In Stock
$1.02
$0.94
$0.765
$0.71
Min.: 1
Mult.: 1
TRF600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 17 Ohms - 40 C + 85 C 5 mm Bulk
Littelfuse Resettable Fuses - PPTC 600V .15A-HD 3A MAX 5,718In Stock
Cut Tape
$1.23
$1.13
$0.937
$0.865
Reel
$0.574
Min.: 1
Mult.: 1
: 1,500
TRF600 PCB Mount Radial 150 mA 250 VDC 300 mA 3 A 17 Ohms - 40 C + 85 C 5 mm Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 7 Ohms 3 A 250 VDC - 40 C+ 85 C 1,659In Stock
1,500Expected 12/30/2026
$1.85
$1.69
$1.42
$1.31
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 Polyswitch 0.26A 4,465In Stock
Cut Tape
$1.35
$1.18
$0.992
$0.94
Reel
$0.636
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 600V .13A-HD 3A MAX (R) 1,703In Stock
Cut Tape
$4.99
$4.26
$4.07
$3.47
$3.19
Reel
$2.49
Min.: 1
Mult.: 1
: 300
TS600 PCB Mount SMD/SMT 170 mA 60 VDC 400 mA 3 A 18 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PolySwitch Surface Mount Resettable PPTC 988In Stock
Cut Tape
$5.93
$4.92
$4.54
$3.77
Reel
$2.73
Min.: 1
Mult.: 1
: 300
TS600 PCB Mount SMD/SMT 200 mA 60 VDC 400 mA 3 A 13.5 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC Polyswitch 0.08A 2,705In Stock
7,000On Order
Cut Tape
$1.11
$1.02
$0.845
$0.779
Reel
$0.515
Min.: 1
Mult.: 1
: 1,500
TSL250 PCB Mount SMD/SMT 80 mA 80 VDC 240 mA 3 A 20 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 250V .250A-HD 3A MAX 793In Stock
Cut Tape
$8.19
$6.95
$6.42
$5.32
$3.88
Reel
$3.88
Min.: 1
Mult.: 1
: 200
TSM600 PCB Mount SMD/SMT 250 mA 250 VDC 860 mA 3 A 7 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC Polyswitch 0.13A 25,284In Stock
Cut Tape
$1.11
$1.02
$0.815
$0.779
Reel
$0.512
Min.: 1
Mult.: 1
: 1,200
TSV250 PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 12 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V/250V .080A TELECOM 48In Stock
1,500Expected 12/8/2026
$0.94
$0.819
$0.596
$0.55
Min.: 1
Mult.: 1
250R PCB Mount Radial 80 mA 60 VDC 160 mA 3 A 33 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Resettable Fuses - PPTC PTC POLYFUSE TELECOM 60V/250V .080A 1,913In Stock
$0.91
$0.837
$0.683
$0.641
Reel
$0.414
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 Resettable Fuses - PPTC PTC 60V/250V.120A POLY TELECOM 923In Stock
$0.94
$0.787
$0.701
$0.665
Reel
$0.43
Min.: 1
Mult.: 1
: 1,200
250R PCB Mount Radial 120 mA 60 VDC 240 mA 3 A 16 Ohms - 40 C + 85 C 5.1 mm Ammo Pack
Littelfuse Resettable Fuses - PPTC 0.18A 250V RADIAL 215In Stock
$0.78
$0.718
$0.596
$0.507
Min.: 1
Mult.: 1
250R PCB Mount Radial 180 mA 60 V 650 mA 10 A 4 Ohms - 40 C + 85 C 5.1 mm Bulk
Littelfuse Resettable Fuses - PPTC PTC 250/60V POLYFUSE SMD RA 2,167In Stock
Cut Tape
$1.03
$0.918
$0.778
$0.705
Reel
$0.473
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