Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AB > High I
2
t > 328 Series
328 Series, Lead-Free 3AB, High Surge Withstand Fuse
Agency Approvals
Features
• High surge withstand
capability
– 20 hits of 10kA 8/20μs
surge
– Meets ANSI/IEEE
C62.41.2, Category
C-High
– Meets US Dept of
Energy (DOE) MSSLC/
CBEA street lighting
and parking lot
lighting, elevated level
• Small form factor
(6.3×32mm) with
cartridge and axial-lead
package options
• Breaking capacity:
200A@300VAC,
200A@100VDC
• Lead-free, RoHS
compliant, halogen-free
• Compliant with UL248-
14
• Operating temperature:
–55°C to 125°C
Applications
RoHS
Pb
Electrical Characteristics for Series
Agency Agency File Number Ampere Range
T 50260582 01 21A
E10480 21A
% of Ampere Rating Opening Time
100%
4 hours, minimum
200%
120 sec., maximum
The 328 Series is a 300VAC rated, 10kA surge withstand,
6.3×32mm ceramic fuse, designed in accordance to
UL248-14 Standard, provided in cartridge and axial-lead
packages.
Commercial and outdoor LED luminaries
Outdoor electronics and electrical equipment.
Surge protection for telecom application.
Description
Electrical Characteristic by ltem
Amp Rating
(A)
Voltage Rating
(VAC)
Interrupting
Rating
Surge
Rating
Nominal Cold
Resistance
(Ohms)
Nominal Melting
I
2
t (A
2
sec)
Agency Approvals
21 300
200A@300VAC
200A@100VDC
1.2/50 - 8/20µs,
20kV/10kA
20 hits
0.0042 4,800
X X
Application testing is strongly recommended.
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.
Additional Information
Datasheet
Samples
Resources