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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AB > Very Fast-Acting > 322/332 Series
Average Time Current CurvesTemperature Re-rating Curve
1
000
100
10
1
0.1
0.01
0.1 110100 1
000
1/8A 1/4A 3/8A 1/2A 3/4A 1A 2A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A
TIME IN SECONDS
CURRENT IN AMPERES
Product CharacteristicsProduct Characteristics
Materials
Body: Ceramic
Cap: Nickel–plated brass
Terminal Strength
MIL-STD-202, Method 211, Test
Condition A
Solderability MIL-STD-202 Method 208
Product Marking
Cap1: Brand logo, current and voltage
ratings
Cap2: Series and agency approval
marks
Operating
Temperature
–55ºC to +125ºC
Thermal Shock
MIL-STD-202, Method 107, Test Condition
B: (5 cycles -65°C to +125°C)
Vibration MIL-STD-202, Method 201
Humidity
MIL-STD-202, Method 103, Test
Condition A: High RH (95%) and Elevated
temperature (40°C) for 240 hours
Salt Spray
MIL- STD-202, Method 101, Test
Condition B
Note:
Rerating depicted in this curve is in addition to the industry practice derating of 25%
for continuous operation.