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Radial Leaded Positive Temperature Coefficient 250V 0.12A PTC Resettable Fuse 5.1mm

Categories PPTC Resettable Fuse
Brand Name: AMPFORT
Model Number: TRF012
Certification: UL,TUV
Place of Origin: Dongguan,Guangdong,China
MOQ: 1000 Pieces
Price: Negotiable
Payment Terms: T/T,Paypal, Western Union
Supply Ability: 70,000,000 Pieces Per Month
Delivery Time: 7-10 Workdays
Packaging Details: Bulk,1000 nos per bag
Product name: PTC Resettable PPTC 250V 0.12A
Rated voltage: 250V
Hold current: 0.12A
Trip current: 0.24A
Max voltage: 60V
Max impulse voltage: 250V
Max current: 3A
Pitch: 5.1mm
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Radial Leaded Positive Temperature Coefficient 250V 0.12A PTC Resettable Fuse 5.1mm


PolySwitch Radial Leaded PTC Resettable PPTC 250V 0.12A For Telecom Protection

Description Of The PTC Resettable PPTC 250V 0.12A

The TRF series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21.


Features Of The PTC Resettable PPTC 250V 0.12A
◆ Fast time-to-trip
◆ Binned and sorted narrow resistance ranges available
◆ 0.08 — 0.18 Hold current range, 60VDC operating voltage
◆ 250VAC interrupt rating
◆ Radial Leaded Devices
◆ Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements
◆ Bulk Package, or tape and reel available on most models
◆ RoHS, Reach, HF compliance


Applications Of The PTC Resettable PPTC 250V 0.12A


Almost anywhere there is a low voltage power supply,up to DC60V and a load to be protected, including:
◆ Security and fire alarm systems
◆ Analog and digital line cards
◆ Modems and DSL
◆ Customer Premises Equipment (CPE)
◆ Central Office (CO)/ telecom centers
◆ LAN/WAN equipment
◆ Access equipment


Electrical Characteristics Of The PTC Resettable PPTC 250V 0.12A

P/NIH, (A)IT,(A)Vmax,(v)Imax,(A)Vmax,(v)(A)(Sec.)Pd typ(W)RminRminR1max
TRF0020.0200.045603.02501.00.11.065145240
TRF0040.0400.080603.02500.501.01.024.065.097.5
TRF0060.0600.120603.02500.502.01.022.036.056.0
TRF0080.0800.160603.02500.354.01.014.022.033.0
TRF0090.090.22603.02501.01.01.09.720.633.0
TRF0110.1100.220603.02501.02.01.06.012.018.0
TRF0120.120.24603.02501.003.01.06.010.016.0
TRF012U0.120.24603.02501.001.51.06.010.016.0
TRF0140.1450.29603.02501.002.51.03.06.014.0
TRF014U0.1450.29603.02501.02.51.03.56.512.0
TRF0180.180.54603.02503.01.51.81.02.24.0
TRF018U0.180.54603.02503.01.51.81.02.24.0
TRF0200.20.6603.02503.05.01.81.73.56.30
TRF0300.300.60603.02503.06.01.81.02.23.50
TRF0400.4000.800605.52503.081.80.801.603.20
TRF0500.501.00606.02503.0103.00.561.402.52
TRF0600.601.20607.02503.0123.20.401.102.16
Trf0800.801.60608.02504.0183.60.320.801.44
TRF1001.002.006010.02505.0212.90.220.500.90
TRF2002.004.006010.025010.0284.50.090.160.26

Agency Specification Selection Guide For Telecom and Networking Applications

ProductLightningPower Cross
TRF120

ITU K.20/21/45 – 1.5kV 10/700μs
ITU K.20/21/45 – 4kV 10/700μs*

ITU K.20/21/45 – 230Vac, 10Ω
ITU K.20/21/45 – 600Vac, 600Ω

TRF145ITU K.20/21/45 – 4kV 10/700μs*ITU K.20/21/45 – 600Vac, 600Ω
TRF180

ITU K.20/21/45 – 1.5kV 10/700μs
ITU K.20/21/45 – 4kV 10/700μs*
Telcordia GR – 974 – 1.0kV 10/1000μs

ITU K.20/21/45 – 230Vac, 10Ω
ITU K.20/21/45 – 600Vac, 600Ω
Telcordia GR – 974- 283Vac, 10A

*Devices should be independently evaluated and tested for use in any specific application


Protection Application Guide Of The PTC Resettable PPTC 250V 0.12A

Region/SpecificationApplicationDevice Selection
South America/Asia/Europe ITU K.45

*Access network equipment, Remote terminal
Repeaters, WAN equipment, Cross –connect

TRF180
TRF145
TRF120

South America/Asia/Europe ITU K.21

Customer and IT equipment, Analog modems ADSL,
xDSL, Phone sets, PBX systems, Internet appliances, POS terminals

TRF180
TRF145
TRF120

South America/Asia/Europe ITU K.20Central Office, POTS/ISDN linecards, T1/E1/J1 linecards, ADSL/VDSL splitters, CSU/DSU,

TRF180
TRF145
TRF120

North America Telcordia GR-974*Primary protection modules, MDF modules, Network interface

TRF180
TRF145
TRF120

South America/Asia/Europe ITU K.20*Primary protection modules, MDF modules, Network interface

TRF180
TRF145
TRF120

North America Telcordia GR-1089*Intrabuilding communication systems, LAN, VOIP cards, Local loop handsets,

TRF180
TRF145
TRF120

South America/Asia/Europe ITU K.20 and K.21*Intrabuilding communication systems, LAN, VOIP cards, Local loop handsets,

TRF180
TRF145
TRF120

-LAN Intrabuilding power cross, Protection, LAN equipment, IP phone

TRF080



Cross References Of The PTC Resettable PPTC 250V 0.12A

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