TRF250-120U self-restoring fuse

PolySwitch™ PTC equipment TRF series

TRF250 t - 120 - B - 0.5

Series: PolySwitch®

Voltage - value: 60V

Current - Value: 3A

Current - Hold (Ih) (value) : 120mA

Current-trip (It) : 240mA

R (/ value) : 7.000 ~ 12.00 ohms

Trip time: 1.2s

Package/housing: radial

TRF250-120 - t - R2 - B - 0.5

Electrical characteristics:

· Vmax work (V)= 60

· Vmax interrupt (Vrms)= 250

· Imax interrupt (A) = 3

· IH (room temperature) (A)= 0.12

· IT (room temperature) (A)= 0.24

· Rmin (?) = 8.00

· Rmax (?) = 10.500

· R1 (after trip) = 16.00

· Trip power dissipation (typical) (W) = 1.00

· Resistance matching = 0.5

· Termination characteristics:

· Structure = through hole type

· Main features:

· Lead/no lead = bent feet

· Contact characteristics:

· Configuration features:

· Coating = with coating

· Industry standard:

· Comply with RoHS/ELV standards = Comply with RoHS standards, comply with ELV standards

Lead-free welding process = Wave soldering up to 240°C, wave soldering up to 260°C, wave soldering up to 265°C

· RoHS/ELV Compliance record = Consistently RoHS compliance

· TUV Certificate number = Available (according to IEC 60730-1)

· Environment: Operating temperature () (°C)= 85

The TE PolySwitch TRF series telecommunications and networking equipment provides protection against damage caused by power supply intersection and power induced surges as defined in ITU, Telcordia GR1089 and UL60950. Commonly used in modems, fax machines, alarm systems, xDSL modems and separators, T1/E1 devices, analog and digital line cards, VoIP (Internet telephony) devices, LAN, WAN devices, and access network hardware applications.

Overcurrent protection can be reset

Surface mount, radial ribbon and chip appearance dimensions

Quick action

Low parasitic capacitance/impedance varies little with frequency

RoHs compliant

### Printed circuit board wire end

Some radial leads with replaceable fuse ribbon have the following characteristics:

All are UL, CSA and TUV certified

Protects electrical and electronic circuits from excessive current damage

Quickly switch from a low resistance state to a resistance state through electrical overload or short circuit

Quick automatic reset and return to low resistance after correcting the fault state and turning off the power

Features:

Thousands of automatic self-resets possible

maintenance-free

Small model, no fuse holder required

### Main Application:

Security system

Power supply and transformer

Power switch device

Cars and medical equipment

Instrumentation and control

Computers and peripherals

Audio, video and telecommunications