Product Summary

The TRF250-120 is a polyswitch resettable device. It is initially designed for resettable overcurrent protection. It helps to provide protection against damage caused by power cross and power induction surges as defined in ITU, telcordia GR1089. Its applications include modems, PBX systems, powered ethernet systems, phone sets, MDF modules, VoIP equipment, fax machines, analog and digital line cards, LAN, WAN equipment, phone wall outlets, T1/E1 equipment, customer premise equipment, alarm systems, xDSL modems and splitters, access network hardware.

Parametrics

TRF250-120 absolute maximum ratings: (1)preheat temperature max.: 200℃; (2)TL temperature: 217℃; (3)peak/classification temperature: 260℃; (4)ramp down rate: 6℃/second max.

Features

TRF250-120 features: (1)RoHS compliant; (2)Resettable overcurrent protection; (3)Surface-mount, radial-leaded, and chip form factors; (4)Fast time-to-trip; (5)Agency recognition: UL, CSA, TüV; (6)Resistance sorted and matched devices available; (7)Low parasitic capacitance/flat impedance with frequency.

Diagrams

TRF250-120 diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TRF250-120
TRF250-120

TE Connectivity / Raychem

PTC Resettable Fuses .12A 60VDC 250VRMS

Data Sheet

0-1: $0.37
1-10: $0.33
10-100: $0.31
100-500: $0.25
TRF250-120-2
TRF250-120-2

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-1: $0.31
1-10: $0.30
10-100: $0.29
100-250: $0.27
TRF250-120ST-RG-B-0.5
TRF250-120ST-RG-B-0.5

TE Connectivity / Raychem

PTC Resettable Fuses 60V 3A 10.8Ohms

Data Sheet

0-1350: $0.24
1350-2000: $0.22
2000-5000: $0.20
TRF250-120-B-0.5
TRF250-120-B-0.5

TE Connectivity / Raychem

PTC Resettable Fuses 60V 3A 8Ohms

Data Sheet

0-7550: $0.19
TRF250-120T
TRF250-120T

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-6150: $0.22
6150-10000: $0.22
10000-25000: $0.21
TRF250-120S-B-0.5
TRF250-120S-B-0.5

TE Connectivity / Raychem

PTC Resettable Fuses 60V 3A 8Ohms

Data Sheet

0-1350: $0.25
1350-2000: $0.23
2000-5000: $0.22
TRF250-120T-R1-B-0.5
TRF250-120T-R1-B-0.5

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-1: $0.44
1-10: $0.39
10-100: $0.35
100-500: $0.32
TRF250-120T-2
TRF250-120T-2

TE Connectivity / Raychem

PTC Resettable Fuses .12A 250V

Data Sheet

0-1: $0.38
1-10: $0.33
10-100: $0.30
100-500: $0.28