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
Image | Part No | Mfg | Description | Pricing (USD) |
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TRF250-120 |
TE Connectivity / Raychem |
PTC Resettable Fuses .12A 60VDC 250VRMS |
Data Sheet |
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TRF250-120-2 |
TE Connectivity / Raychem |
PTC Resettable Fuses - |
Data Sheet |
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TRF250-120ST-RG-B-0.5 |
TE Connectivity / Raychem |
PTC Resettable Fuses 60V 3A 10.8Ohms |
Data Sheet |
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TRF250-120-B-0.5 |
TE Connectivity / Raychem |
PTC Resettable Fuses 60V 3A 8Ohms |
Data Sheet |
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TRF250-120T |
TE Connectivity / Raychem |
PTC Resettable Fuses - |
Data Sheet |
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TRF250-120S-B-0.5 |
TE Connectivity / Raychem |
PTC Resettable Fuses 60V 3A 8Ohms |
Data Sheet |
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TRF250-120T-R1-B-0.5 |
TE Connectivity / Raychem |
PTC Resettable Fuses - |
Data Sheet |
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TRF250-120T-2 |
TE Connectivity / Raychem |
PTC Resettable Fuses .12A 250V |
Data Sheet |
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