Specification	03121.25VXP

Approval Agency	CE, KC, PSE, UL, CSA
Breaking Capacity @ Rated Voltage	100 A
Current Rating (Amps)	1.25 A
DC Cold Resistance	0.1385 Ohms
Fuse Type	Cartridge, Glass
Melting I²t	1.45
Mounting Type	Requires Holder
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
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]	31.75 mm
Size / Dimension [x]	1.25 in
Voltage Rating - AC	250 V

03121.25 Series

FUSE 250V FA 3AG Pb-FREE 1.25A

Part	Current Rating (Amps)	Melting I²t	Operating Temperature [Min]	Operating Temperature [Max]	Response Time	Voltage Rating - AC	Mounting Type	Fuse Type	Package / Case [x]	Package / Case	Approval Agency	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Breaking Capacity @ Rated Voltage	DC Cold Resistance
LITTELFUSE 03121.25MXP	1.25 A	1.45	-55 C	125 °C	Fast Blow	250 V	Requires Holder	Cartridge Glass	0.25 in	3AB 3AG	CE CSA KC PSE UL	31.75 mm	1.25 in	6.35 mm	0.25 "	100 A
LITTELFUSE 03121.25VXP	1.25 A	1.45	-55 C	125 °C	Fast Blow	250 V	Requires Holder	Cartridge Glass	0.25 in	3AB 3AG	CE CSA KC PSE UL	31.75 mm	1.25 in	6.35 mm	0.25 "	100 A	0.1385 Ohms
LITTELFUSE 03121.25HXP	1.25 A	1.45	-55 C	125 °C	Fast Blow	250 V	Requires Holder	Cartridge Glass	0.25 in	3AB 3AG	CE CSA KC PSE UL	31.75 mm	1.25 in	6.35 mm	0.25 "	100 A

Pricing

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

General part information

The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection.

Technical documentation and resources