Circuit Protection

FCA-500MA

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OptiFuse

FUSE CERM 500MA 250VAC 3AB 3AG

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Circuit Protection

FCA-500MA

Active

OptiFuse

FUSE CERM 500MA 250VAC 3AB 3AG

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	FCA-500MA

Approval Agency	cULus, UL 248
Breaking Capacity @ Rated Voltage	100 A
Current Rating (Amps)	0.5 A
Fuse Type	Cartridge, Ceramic
Melting I˛t	0.0385
Melting I²t	0.0385
Mounting Type	Requires Holder
Package / Case	3AG, 3AB
Package / Case [x]	0.25 in
Package / Case [y]
Response Time	Fast Blow
Size / Dimension [diameter]	6.35 mm
Size / Dimension [diameter]	0.25 "
Size / Dimension [x]	31.8 mm
Size / Dimension [x]	1.252 "
Voltage Rating - AC	250 V

FCA Series

Part	Melting I˛t	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Melting I²t	Mounting Type	Response Time	Voltage Rating - AC	Package / Case [x]	Package / Case	Current Rating (Amps)	Approval Agency	Fuse Type	Breaking Capacity @ Rated Voltage	Size / Dimension [diameter]	Size / Dimension [x]
OptiFuse FCA-500MA	0.0385	31.8 mm	1.252 "	6.35 mm	0.25 "	0.0385	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	0.5 A	cULus UL 248	Cartridge Ceramic	100 A
OptiFuse FCA-12A	432.6	31.8 mm	1.252 "	6.35 mm	0.25 "	432.6	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	12 Amps	cULus UL 248	Cartridge Ceramic	750 A
OptiFuse FCA-2A	2.751	31.8 mm	1.252 "	6.35 mm	0.25 "	2.751	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	2 A	cULus UL 248	Cartridge Ceramic	100 A
OptiFuse FCA-10A	246.5	31.8 mm	1.252 "	6.35 mm	0.25 "	246.5 I²t	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	10 A	cULus UL 248	Cartridge Ceramic	200 A
OptiFuse FCA-15A	666.8	31.8 mm	1.252 "	6.35 mm	0.25 "	666.8	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	15 A	cULus UL 248	Cartridge Ceramic	750 A
OptiFuse FCA-30A	3006	31.8 mm	1.252 "	6.35 mm	0.25 "	3006	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	30 A	cURus UL 248	Cartridge Ceramic	100 A
OptiFuse FCA-1A	0.288	31.8 mm	1.252 "	6.35 mm	0.25 "	0.288	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	1 A	cULus UL 248	Cartridge Ceramic	100 A
OptiFuse FCA-750MA	0.1361	31.8 mm	1.252 "	6.35 mm	0.25 "	0.1361	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	750 mA	cULus UL 248	Cartridge Ceramic	100 A
OptiFuse FCA-9A	185.2	31.8 mm	1.252 "	6.35 mm	0.25 "	185.2 I²t	Requires Holder	Fast Blow	250 V	0.25 in	3AB 3AG	9 A	cULus UL 248	Cartridge Ceramic	200 A
OptiFuse FCA-P-3A	8.085	32.4 mm		6.85 mm		8.085	Through Hole	Fast Blow	250 V	0.25 "	3AB 3AG	3 A	cULus UL 248	Cartridge Ceramic	100 A	0.27 in	1.276 "

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 1.17
		10	$ 1.14
		25	$ 1.11
		50	$ 0.94
		100	$ 0.77
		250	$ 0.69
		500	$ 0.58
		1000	$ 0.51
	N/A	2179	$ 2.02

Description

General part information

FCA Series

500 mA 250 V AC DC Fuse Cartridge, Ceramic Requires Holder 3AB, 3AG, 1/4" x 1-1/4"

Documents

Technical documentation and resources