Littelfuse 267 Series PICO Manual de usuario descargar pdf (Pagina 2)

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

PICO

> Very Fast Acting > 265/266/267 Series

Average Time Current Curves

100

0.1

0.01

0.001

100

1000

0.1

TIME IN SECONDS

CURRENT IN AMPERES

1/16A

1/8A

1/4A

3/8A

1/2A

3/4A

1 1/2A

2 1/2A

10A

15A

Temperature Rerating Curve

Soldering Parameters\

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:

280

° 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:

Note:

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

continuous operation.

1 2 3

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Littelfuse 267 Series PICO Manual de usuario Pagina 2

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