0435001.KR Littelfuse Inc, 0435001.KR Datasheet - Page 2

• Manufacturer Part Number: 0435001.KR
• Description: FUSE 1A 32V FAST SLIM 0402
• Manufacturer: Littelfuse Inc
• Series: SlimLine™ 435r
• Type: Surface Mount Fusesr

Specifications of 0435001.KR

• Fuse Type: Fast Acting
• Voltage - Rated: 32VDC
• Current: 1A
• Package / Case: 0402 (1005 Metric)
• Size / Dimension: 0.040" L x 0.020" W x 0.012" H (1.00mm x 0.50mm x 0.30mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 90°C
• Dc Cold Resistance: 0.073 Ohm
• Melting I²t: 0.02
• Current Rating: 1 Amp
• Voltage Rating: 32 Volts
• Fuse Size / Group: 1206
• Termination Style: SMD/SMT
• Body Material: Epoxy / Glass
• Product: Surface Mount Fuse
• Interrupt Rating: 35 Amps
• Operating Temperature Range: - 55 C to + 125 C
• Resistance: 0.0995 Ohms
• Voltage Rating Vdc: 32V
• Fuse Current: 1A
• Breaking Capacity: 35A @ 32VDC
• Blow Characteristic: Very Fast Acting
• Fuse Case Style: 0402
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 0435001KR; F1444TR

Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
Example:
For continuous operation at 70 degrees celsius, the fuse should be deratedas follows:
I = (0.75)(0.80)I
435 Series
Temperature Rerating Curve
Soldering Parameters
reflow condition
pre Heat
Average ramp up rate (liquidus Temp
(T
T
reflow
peak Temperature (T
Time within 5°c of actual peak
Temperature (t
ramp-down rate
Time 25°c to peak Temperature (T
Do not exceed
Wave Soldering
continuous operation.
S(max)
l
) to peak
to T
l
RAT
- ramp-up rate
- Temperature min (T
- Temperature max (T
- Time (min to max) (t
- Temperature (T
- Temperature (t
= (0.60)I
p
)
RAT
Thin Film > 0402 Size > Very Fast-Acting > 435 Series
p
)
l
l
)
) (liquidus)
260°C, 10 seconds max.
Introduction to Circuit Protection
Introduction to Circuit Protection
s(min)
s(max)
s
)
p
)
)
)
Pb – Free assembly
150°C
200°C
60 – 120 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
250
20 – 40 seconds
5°C/second max
8 minutes Max.
260°C
+0/-5
Surface Mount Fuses
°C
46
Transientology
Average Time Current Curves
T
T
S(max)
S(min)
0.001
25
0.01
T
T
0.1
100
10
P
L
1
0.1
time to peak temperature
Please refer to www.littelfuse.com/series/435.html for current information.
(t 25ºC to peak)
t
Preheat
S
1.0
CURRENT IN AMPERES
Specifications are subject to change without notice.
Ramp-up
10.0
t
P
t
L
Time
© 2009 Littelfuse, Inc.
Critical Zone
Ramp-down
T
100.0
L
to T
P