Product Summary

The TRF250-120U is a PolySwitch Resettable Device. The applications of the TRF250-120U include Modems, Phone sets, Fax machines, Phone wall outlets, Alarm systems, PBX systems, MDF modules, Analog and digital line cards, T1/E1 equipment, xDSL modems and splitters, Powered ethernet systems, VoIP (Voice over Internet Protocol) equipment, LAN, WAN equipment, Customer premise equipment, Access network hardware.

Features

TRF250-120U 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

TRF250-120U block diagram

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

TE Connectivity / Raychem

PTC Resettable Fuses .12A 60Vdc MAX 250Vrms

Data Sheet

0-1: $0.34
1-10: $0.31
10-100: $0.28
100-500: $0.22
TRF250-120U-2
TRF250-120U-2

TE Connectivity / Raychem

PTC Resettable Fuses .12A 250V

Data Sheet

0-1: $0.32
1-10: $0.31
10-100: $0.29
100-500: $0.26
TRF250-120US-2
TRF250-120US-2

TE Connectivity / Raychem

PTC Resettable Fuses 60V 3A 10Ohms

Data Sheet

0-1: $0.27
1-100: $0.24
100-500: $0.23
500-1000: $0.21
1000-1500: $0.21
TRF250-120US-B-0.5-0.300
TRF250-120US-B-0.5-0.300

TE Connectivity / Raychem

PTC Resettable Fuses .12A 250V

Data Sheet

0-1: $0.35
1-10: $0.34
10-100: $0.32
100-250: $0.31
TRF250-120UA
TRF250-120UA

TE Connectivity / Raychem

PTC Resettable Fuses 60V 3A 10Ohms

Data Sheet

0-7550: $0.15
TRF250-120US
TRF250-120US

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-6500: $0.20
6500-10000: $0.20
10000-25000: $0.19
TRF250-120UST-B-0.5
TRF250-120UST-B-0.5

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-6700: $0.22
6700-10000: $0.20
TRF250-120UT
TRF250-120UT

TE Connectivity / Raychem

PTC Resettable Fuses -

Data Sheet

0-6700: $0.19
6700-10000: $0.17