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0242.250UAT1S View Datasheet(PDF) - Unspecified

Part Name
Description
Manufacturer
0242.250UAT1S Datasheet PDF : 3 Pages
1 2 3
Special Application Fuses
242 Series Barrier Fuse
Temperature De-Rating Curve
140%
120%
100%
80%
60%
40%
20%
0%
-55
-35
-15
5
25
-45
65
Temperature (°C)
85
105
125
Average Time Current Curves
100
10
1
0.1
0.01
0.001
Soldering Parameters
Reflow Condition
Pb – Free assembly
Pre Heat
- Temperature Min (Ts(min))
- 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 Temp. (tp)
Ramp-down Rate
150°C
200°C
60 – 180 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
250+0/-5 °C
20 – 40 seconds
5°C/second max
Time 25°C to peak Temperature (TP)
Do not exceed
8 minutes Max.
260°C
0.0001
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
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
Wave Soldering
260°C, 10 seconds max.
Material Information
Body
Leads
Endcaps
Ceramic
Tin-Plated Copper
Silver-Plated Brass
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/31/18
Product Characteristics
Operating Temperature
Thermal Shock
Vibration
Insulation Resistance
(After Opening)
–40OC to 125OC (Consider re-
rating)
Withstands 5 cycles of – 55OC to
125OC
Per MIL-STD-202 Method 201
Greater than 10,000 ohms.
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