0443003.DR datasheet(2/4 Pages) LITTELFUSE

tên linh kiện	0443003.DR

Giải thích chi tiết về linh kiện	Surface Mount Fuses NANO2짰 > 250V > Time Lag > 443 Series

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Revised: March 17, 2009

Introduction to Circuit Protection

Transientology

Specifications are subject to change without notice.

Surface Mount Fuses

443 Series

NANO2® > 250V > Time Lag > 443 Series

Please refer to www.littelfuse.com/series/443.html for current information.

Average Time Current Curves

Reflow Condition

Pre Heat

-Temperature Min (T

s(min))

-Temperature Max (T

s(max))

-Time (Min to Max) (t

Average ramp up rate (LiquidusTemp

L) to peak

S(max) to TL - Ramp-up Rate

Reflow

-Temperature (T

L) (Liquidus)

-Temperature (t

PeakTemperature (T

Time within 5°C of actual peak

Temperature (t

Ramp-down Rate

Time 25°C to peakTemperature (T

Do not exceed

Soldering Parameters

Temperature Rerating Curve

0.001

0.01

0.1

100

0.1

100

1000

CURRENT IN AMPS

Wave Soldering Parameters

Time

TS(max)

TS(min)

time to peak temperature

(t 25ºC to peak)

Ramp-down

Ramp-up

Preheat

Critical Zone

TL to TP

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