Littelfuse 472 Series Uživatelský manuál stáhnout pdf (Strana 2)

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

PICO

ll > Time-Lag > 472 Series

Average Time Current CurvesTemperature Rerating Curve

Soldering Parameters

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:

100

0.1

0.01

0.001

0.1 110100 1

000

0.5A

.0A

.5A

2.0A

2.5A

3.0A

5.0A

TIME IN SECONDS

CURRENT IN AMPERES

Note:

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

continuous operation.

1 2 3

472 Series, PICO 1
II Time-Lag Fuse 1
0472 xxxx N R T1 L 3

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