Circuit Protection

SF-3812TL050T-2

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Bourns Inc.

SURFACE MOUNT FUSES 0.5A 250V SINGLFUSE TIME LAG & LOW POWER

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Circuit Protection

SF-3812TL050T-2

Active

Bourns Inc.

SURFACE MOUNT FUSES 0.5A 250V SINGLFUSE TIME LAG & LOW POWER

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	SF-3812TL050T-2

Approval Agency	UL
Breaking Capacity @ Rated Voltage	50 A
Current Rating (Amps)	0.5 A
DC Cold Resistance	0.5479 Ohms
Fuse Type	Board Mount (Cartridge Style Excluded)
Melting I˛t	1.963
Melting I²t	1.963
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Package / Case	2-SMD, Square End Block
Response Time	Slow Blow
Size / Dimension [x]	0.398 in
Size / Dimension [x]	10.1 mm
Size / Dimension [y]	0.122 in
Size / Dimension [y]	3.1 mm
Size / Dimension [z]	0.122 in
Size / Dimension [z]	3.1 mm
Voltage Rating - AC	250 V

SF-3812 Series

Part	DC Cold Resistance	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Response Time	Approval Agency	Breaking Capacity @ Rated Voltage	Size / Dimension [y]	Size / Dimension [z]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [x]	Size / Dimension [y]	Voltage Rating - AC	Voltage Rating - DC	Melting I²t	Fuse Type	Current Rating (Amps)	Mounting Type	Melting I˛t
Bourns Inc. SF-3812TM050T-2	0.48 Ohms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	UL	50 A 60 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	600 V	250 V	1.4 I²t	Board Mount (Cartridge Style Excluded)	0.5 A	Surface Mount
Bourns Inc. SF-3812TL075T-2	0.26 Ohms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	UL	50 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V		3.375 I²t	Board Mount (Cartridge Style Excluded)	750 mA	Surface Mount	3.375
Bourns Inc. SF-3812F2000T-2	0.003 Ohms	2-SMD Square End Block	-55 C	125 °C	Fast Blow	cUL UL	100 A 130 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V	80 V	356	Board Mount (Cartridge Style Excluded)	20 A	Surface Mount
Bourns Inc. SF-3812F3000T-2	0.0018 Ohms	2-SMD Square End Block	-55 C	125 °C	Fast Blow	cUL UL	100 A 130 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V	80 V	900	Board Mount (Cartridge Style Excluded)	30 A	Surface Mount	900
Bourns Inc. SF-3812TL200T-2	0.0504 Ohms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	TUV UL	50 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V		19.84	Board Mount (Cartridge Style Excluded)	2 A	Surface Mount	19.84
Bourns Inc. SF-3812SP125T-2	0.105 Ohms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	cUL TUV UL	100 A 200 kA AC	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V	250 V	5.04	Board Mount (Cartridge Style Excluded)	1.25 A	Surface Mount	5.04
Bourns Inc. SF-3812TM125T-2	100 mOhms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	UL	50 A 60 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	600 V	250 V	22	Board Mount (Cartridge Style Excluded)	1.25 A	Surface Mount
Bourns Inc. SF-3812TL050T-2	0.5479 Ohms	2-SMD Square End Block	-55 C	125 °C	Slow Blow	UL	50 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V		1.963	Board Mount (Cartridge Style Excluded)	0.5 A	Surface Mount	1.963
Bourns Inc. SF-3812F1000T-2	0.0067 Ohms	2-SMD Square End Block	-55 C	125 °C	Fast Blow	cUL UL	100 A 130 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	250 V	80 V	75	Board Mount (Cartridge Style Excluded)	10 A	Surface Mount	75
Bourns Inc. SF-3812FG2000T-2	0.0033 Ohms	2-SMD Square End Block	-55 C	125 °C	Fast Blow	cUL UL	100 A 300 A	0.122 in	0.122 in	0.398 in	3.1 mm	10.1 mm	3.1 mm	125 V	100 V	18	Board Mount (Cartridge Style Excluded)	20 A	Surface Mount	18

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.97
		5	$ 1.88
		10	$ 1.78
		50	$ 1.44
		100	$ 1.22
		250	$ 1.19
		500	$ 1.00
		1000	$ 0.89
	Digi-Reel®	1	$ 1.97
		5	$ 1.88
		10	$ 1.78
		50	$ 1.44
		100	$ 1.22
		250	$ 1.19
		500	$ 1.00
		1000	$ 0.89
	N/A	320	$ 2.09
	Tape & Reel (TR)	2500	$ 0.84
		5000	$ 0.78
		7500	$ 0.78
Mouser	N/A	1	$ 1.73
		10	$ 1.60
		50	$ 1.33
		100	$ 1.23
		250	$ 1.10
		500	$ 1.02
		1000	$ 0.95
		2500	$ 0.85
		5000	$ 0.78

Description

General part information

SF-3812 Series

500 mA 250 V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

Documents

Technical documentation and resources