Circuit Protection

TCF250-120T-B-0.5

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RESETTABLE FUSES - PPTC .12A FAST TRIP

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Circuit Protection

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RESETTABLE FUSES - PPTC .12A FAST TRIP

Technical Specifications

Parameters and characteristics for this part

Specification	TCF250-120T-B-0.5

Current - Hold (Ih) (Max) [Max]	120 mA
Current - Max [Max]	3 A
Current - Trip (It)	240 mA
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 C
Package / Case	Nonstandard SMD
Resistance - Initial (Ri) (Min) [Min]	6.3 Ohms
Resistance - Post Trip (R1) (Max) [Max]	18 Ohms
Size / Dimension [x]	0.217 in
Size / Dimension [x]	5.5 mm
Size / Dimension [y]	0.217 in
Size / Dimension [y]	5.5 mm
Thickness (Max) [Max]	0.091 in
Thickness (Max) [Max]	2.3 mm
Time to Trip	600 ms
Type	Polymeric
Voltage - Max [Max]	60 V

Part	Time to Trip	Package / Case	Current - Hold (Ih) (Max) [Max]	Voltage - Max [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Type	Thickness (Max) [Max]	Thickness (Max) [Max]	Current - Max [Max]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Resistance - Initial (Ri) (Min) [Min]	Mounting Type	Current - Trip (It)	Resistance - Post Trip (R1) (Max) [Max]
LITTELFUSE TCF250-120T-RB-B-0.5	600 ms	Nonstandard SMD	120 mA	60 V	85 °C	-40 C	Polymeric	0.091 in	2.3 mm	3 A	0.217 in	0.217 in	5.5 mm	5.5 mm	6.3 Ohms	Surface Mount	240 mA	18 Ohms
LITTELFUSE TCF250-120T-B-0.5	600 ms	Nonstandard SMD	120 mA	60 V	85 °C	-40 C	Polymeric	0.091 in	2.3 mm	3 A	0.217 in	0.217 in	5.5 mm	5.5 mm	6.3 Ohms	Surface Mount	240 mA	18 Ohms

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	1216	$ 0.85
Mouser	N/A	10000	$ 0.34

General part information

RESETTABLE FUSES - PPTC .12A FAST TRIP

Technical documentation and resources