© 2014 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 05/14/14

Radial Lead Fuses

Average Time Current Curves

Temperature Rerating Curve

Soldering Parameters - Wave Soldering

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

Time (Seconds)

Preheat Time

Cooling Time

Dwell Time

Wave Parameter

Lead-Free Recommendation

Preheat:

(DependsonFluxActivationTemperature)

(TypicalIndustryRecommendation)

TemperatureMinimum:

100

TemperatureMaximum:

150

PreheatTime:

60-180seconds

Solder PotTemperature:

260

Solder DwellTime:

2-5seconds

Recommended Hand-Solder Parameters:

SolderIronTemperature:350°C+/-5°C

HeatingTime:5secondsmax.

Note:These devices are not recommended for IR or

Convection Reflow process.

Recommended Process Parameters:

0.001

0.01

0.1

1

10

100

0

1

10

100

1000

CURRENT IN AMPERES

0

20

40

60

80

100

120

140

-40

-20

0

20

40

60

80

AMBIENT TEMPERATURE (°C)

23°C

DE-RATING CURVE