Littelfuse 373 Series Manuel d'utilisateur télécharger pdf (Page 2)

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Radial Lead Fuses

TR5

> Fast-Acting > 373 Series

Average Time Current Curves

CURRENT IN AMPERES

TIME IN SECONDS

0.001

0.010

0.100

100

1000

10000

100000

0.100 1 10 1000.02

050A

063A

080A

100A

125A

160A

200A

250A

315A

400A

500A

630A

0.800

1.00A

1.25A

1.60A

2.00A

2.50A

3.15A

4.00A

5.00A

6.30A

8.00A

10.0

Soldering Parameters - Wave Soldering

Dwell Time

100

120

140

160

180

200

220

240

260

280

300

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

Time (Seconds)

Temperature (°C) - Measured on bottom side of board

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 Rerating Curve

100

120

140

-40-20 020406080

AMBIENTTEMPERATURE(°C)

PERCENTOF RATING

23°C

1 2 3

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Littelfuse 373 Series Manuel d'utilisateur Page 2

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