Littelfuse 233 Series Manuel d'utilisateur télécharger pdf (Page 2)

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

5×20 mm > Medium-Acting > 233 Series

Average Time Current CurvesTemperature Rerating Curve

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:

1.25A

1.6A

2.5A

3.15A

3.5A

6.3A

10A

100

1000

10000

0.1

0.01

0.001

110100 1000

TIME IN SECONDS

CURRENT IN AMPERES

1 2 3

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Littelfuse 233 Series Manuel d'utilisateur Page 2

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