Axial Lead & Cartridge Fuses
3AB > Very Fast-Acting > 322 Series
PS
E
322/332 Series Lead-free 3AB, Very Fast-acting Fuse
Description
The 3AB Very Fast-Acting Fuse for protection of Silicon
Controlled Rectifiers and similar solid-state devices.
Features
tꢀ *OꢀBDDPSEBODFꢀXJUIꢀ6-ꢀ
tꢀ 3P)4ꢀDPNQMJBOUꢀBOEꢀ
-FBEꢁGSFF
Standard 248-14
tꢀ "WBJMBCMFꢀJOꢀDBSUSJEHFꢀ
format only
Applications
Agency Approvals
6TFEꢀBTꢀTVQQMFNFOUBSZꢀQSPUFDUJPOꢀJOꢀBQQMJBODFꢀPSꢀ
utilization equipment to provide individual protection for
components or internal circuits.
Agency
Agency File Number
Ampere Range
12A - 30A
E10480
E10480
Electrical Characteristics for Series
1A - 10A
1A - 10A
1A - 30A
% of Ampere
Ampere Rating
OpeningTime
Rating
NBK080306-
JP1021A/B
PS
E
100%
1 – 30
1 – 10
4 hours, Minimum
.2 second, Maximum
1 sec.ond, Maximum.
250%
12 – 30
Electrical Characteristic Specifications by Item
Agency Approvals
Ampere Voltage
Interrupting
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
Amp Code Rating
(A)
Rating
(V)
PS
E
Rating
I2t (A2 sec)
001.
1.25
002.
003.
004.
005.
006.
007.
1
1.25
2
250
250
250
250
250
250
250
250
250
250
250
65
0.0927
0.0804
0.0416
0.0245
0.0179
0.0128
0.0117
0.0108
0.0088
0.0077
0.0073
0.0515
0.0043
0.0034
0.0029
0.0023
0.100
0.156
0.560
1.890
3.360
6.250
8.208
10.58
16.45
20.66
24.0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
3
4
100A@250Vac
100A@125Vdc
200A@72Vdc
5
6
7
008.
009.
010.
8
9
10
12
15
20
25
30
012.
015.
020.
025.*
030.*
60.0
x
x
x
x
x
65
90.0
200A@65Vac
1000A@65Vdc
65
192.0
325.0
540.0
65
65
* Ratings from 1A to 10A are available for 332 series
* Ratings from 12A to 30A are available for 322 series, these ratings are RoHS compliant version.
© 2009 Littelfuse, Inc.
322 Series
325
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/322.html for current information.
Revised: September 9, 2010