© 2020 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised:BO.11/13/20

Radial Lead Fuses

Average Time Current Curves

Current In Amperes

0.001

0.010

0.100

1

10

100

1000

10000

100000

0.100

1

10

100

0.02

Soldering Parameters - Wave Soldering

Dwell Time

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

Time (Seconds)

Cooling Time

Preheat Time

Wave Parameter

Lead-Free Recommendation

Preheat:

(Depends on Flux Activation Temperature)

(Typical Industry Recommendation)

Temperature Minimum:

100°C

Temperature Maximum:

150°C

Preheat Time:

60-180 seconds

Solder Pot Temperature:

260°C Maximum

Solder Dwell Time:

2-5 seconds

Recommended Hand-Solder Parameters:

Solder Iron Temperature: 350°C +/- 5°C

Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or Convection Reflow process.

Recommended Process Parameters:

Temperature Re-rating Curve

Note:

1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.