Circuit Protection

0328021.MXP

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Littelfuse/Commercial Vehicle Products

FUSE 300V HIGH I2T 3AB PB-FREE 21A/ BULK

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DocumentsDatasheet TUV_T50260582

Circuit Protection

0328021.MXP

Active

Littelfuse/Commercial Vehicle Products

FUSE 300V HIGH I2T 3AB PB-FREE 21A/ BULK

Deep-Dive with AI

DocumentsDatasheet TUV_T50260582

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	0328021.MXP

Approval Agency	UR, TUV
Breaking Capacity @ Rated Voltage	200 A
Current Rating (Amps)	21 A
DC Cold Resistance	0.0042 Ohms
Fuse Type	Cartridge, Ceramic
Melting I²t	4800
Mounting Type	Requires Holder
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Package / Case	3AB, 3AG
Package / Case [x]	1/4
Package / Case [y]	1-1/4
Response Time	Slow Blow
Size / Dimension [diameter]	0.25 in
Size / Dimension [diameter]	6.35 mm
Size / Dimension [x]	31.75 mm
Size / Dimension [x]	1.25 "
Voltage Rating - AC	300 V
Voltage Rating - DC	100 V

328021 Series

FUSE 300V HIGH I2T 3AB PB-FREE 21A

Part	Mounting Type	Current Rating (Amps)	Voltage Rating - DC	Breaking Capacity @ Rated Voltage	Voltage Rating - AC	Package / Case	Package / Case [y]	Package / Case [x]	DC Cold Resistance	Response Time	Operating Temperature [Min]	Operating Temperature [Max]	Approval Agency	Melting I²t	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [x]	Fuse Type
Littelfuse/Commercial Vehicle Products 0328021.MXP	Requires Holder	21 A	100 V	200 A	300 V	3AB 3AG	1-1/4	1/4	0.0042 Ohms	Slow Blow	-55 °C	125 °C	UR TUV	4800	31.75 mm	0.25 in	6.35 mm	1.25 "	Cartridge Ceramic

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	$ 8.14
		5	$ 6.78
		10	$ 6.27
		50	$ 5.22
		100	$ 4.82
		250	$ 4.33
		500	$ 4.00
		1000	$ 3.91
Newark	Each	500	$ 4.10

Description

General part information

328021 Series

The Littelfuse 328 Series High Surge Fuse is a 300VAC-rated, 10kA surge withstanding, compact ceramic fuse, designed in accordance with the UL248-14 Standard. It provides short-circuit and overload protection for surge protection devices (SPDs) and luminaries used in commercial and outdoor LED lighting applications that operate at high surge exposure levels. The 328 Series Fuse is the first and only 6.2x32mm fuse on the market that can withstand 20 hits of 10kA 8/20μs surge current.