Littelfuse 322 Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
3AB > Very Fast-Acting > 322/332 Series
Average Time Current Curves Temperature Rerating Curve
1000
100
10
1
0.1
0.01
0.1 1 10 100 1000
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 Characteristics Product Characteristics
Materials
Body: Ceramic
Cap: Nickel–plated brass
Terminal Strength
MIL-STD-202G, Method 211A, Test
Condition A
Solderability
Reference IEC 60127 Second Edition
2003-01 Annex A
Product Marking
Cap1: Brand logo, current and voltage
ratings
Cap2: Series and agency approval
marks
Operating
Temperature
–55ºC to +125ºC
Thermal Shock
MIL-STD-202G, Method 107G, Test
Condition B: (5 cycles -65°C to +125°C)
Vibration MIL-STD-202G, Method 201 A
Humidity
MIL-STD-202G, Method 103B, Test
Condition A: High RH (95%) and Elevated
temperature (40°C) for 240 hours
Salt Spray
MIL- STD-202G, Method 101D, Test
Condition B