0485001.DR Просмотр технического описания (PDF) - Littelfuse, Inc

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0485001.DR

Surface Mount Fuses Nano2® > 600VDC > Fast-Acting Fuse > 485 Series

Littelfuse, Inc 

Surface Mount Fuses

Nano2® > 600VDC > Fast-Acting Fuse > 485 Series

Temperature Re-rating Curve

Average Time Current Curves

100

10

1

0.1

Note:

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

continuous operation.

0.01

Soldering Parameters - Reflow Soldering

Reflow Condition

Pb – Free Assembly

- Temperature Min (Ts(min))

Pre Heat - Temperature Max (Ts(max))

- Time (Min to Max) (ts)

Average Ramp-up Rate (Liquidus Temp

(TL) to peak)

TS(max) to TL - Ramp-up Rate

Reflow

- Temperature (TL) (Liquidus)

- Temperature (tL)

Peak Temperature (TP)

Time within 5°C of actual peak

Temperature (tp)

Ramp-down Rate

Time 25°C to peak Temperature (TP)

Do not exceed

150°C

200°C

60 – 180 ses

5°C/second max.

5°C/second max.

217°C

60 – 150 seconds

260+0/–5 °C

20 – 40 seconds

5°C/second max.

8 minutes max.

260°C

0.001

0.1

1

10

100

CURRENT IN AMPERES

1000

TP

TL

TS(max)

Ramp-up

TS(min)

Preheat

tS

25

time to peak temperature

(t 25ºC to peak)

tP

Critical Zone

TL to TP

tL

Ramp-down

Time

© 2016 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 11/09/16

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