Introduction to Circuit Protection
Axial Lead & Cartridge Fuses
®
Transientology
PICO > Very Fast Acting > 265/266/267 Series
Temperature Rerating Curve
AverageTime Current Curves
100
10
1
0.1
0.01
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.001
0.1
1
1000
10
100
CURRENT IN AMPERES
Soldering Parameters\
300
280
260
240
220
200
180
160
140
120
100
80
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux ActivationTemperature)
Temperature Minimum:
Temperature Maximum:
PreheatTime:
Lead-Free Recommendation
(Typical Industry Recommendation)
100° C
150° C
60-180 seconds
Solder PotTemperature:
Solder DwellTime:
280° C Maximum
2-5 seconds
60
40
20
0
Recommended Hand-Solder Parameters:
Time (Seconds)
Solder IronTemperature: 350° C +/- 5°C
HeatingTime: 5 seconds max.
Preheat Time
Cooling Time
Dwell Time
Note: These devices are not recommended for IR or
Convection Reflow process.
© 2009 Littelfuse, Inc.
265/266/267 Series
224
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/265.html /
266.html/or /267.html for current information.
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