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| 046502.5DR Datasheet, PDF (2/4 Pages) Littelfuse – Surface Mount Fuses NANO2® > 250V UMF Time Lag > 465 Series | |||
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IntroductionSutorfaCcirecuMitouPnrottFeuctsieosn
NANO2® > 250V UMF Time LagTr>an4s6i5eSnteorlioegsy
Temperature Rerating Curve
Average Time Current Curves
100
10
1
/PUF
%FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS
DPOUJOVPVTPQFSBUJPO
Soldering Parameters
Reflow Condition
1Co'SFFBTTFNCMZ
- 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
¡$
¡$
oTFDT
¡$TFDPOENBY
¡$TFDPOENBY
¡$
oTFDPOET
¡$
oTFDPOET
¡$TFDPOENBY
NJOVUFTNBY
¡$
Wave Soldering Parameters
¡$1FBL
5FNQFSBUVSF
TFDPOETNBY
0.1
0.01
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
465 Series
82
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/465.html for current information.
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