0452004.NRL Littelfuse Inc, 0452004.NRL Datasheet - Page 2

• Manufacturer Part Number: 0452004.NRL
• Description: T&R / FUSE 125V SB NANO2 W/Au CAPS RoHS 4A
• Manufacturer: Littelfuse Inc
• Series: NANO²® 452r

Specifications of 0452004.NRL

• Fuse Type: Slow Blow, Time Lag
• Voltage - Rated: 125VAC, 125VDC
• Current: 4A
• Package / Case: Non-Standard SMD
• Size / Dimension: 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
• Mounting Type: Holder/Surface Mount
• Operating Temperature: -55°C ~ 125°C
• Dc Cold Resistance: 0.019 Ohm
• Melting I²t: 34.4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Note:
452/454 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 Parameters
continuous operation.
S(max)
L
) to peak
to T
L
- Ramp-up Rate
- Temperature Min (T
- Temperature Max (T
- Time (Min to Max) (t
- Temperature (T
- Temperature (t
p
)
P
)
L
L
)
) (Liquidus)
Introduction to Circuit Protection
Introduction to Circuit Protection
s(min)
s(max)
s
)
P
)
)
)
NANO
Pb – Free assembly
60 – 120 secs
60 – 90 seconds
20 – 40 seconds
8 minutes max.
Temperature,
2®
Surface Mount Fuses
> Slo-Blo
®
62
> 452/454 Series
Transientology
Average Time Current Curves
T
T
S(max)
S(min)
0.01
100
0.1
10
25
1
0.1
T
T
P
L
time to peak temperature
(t 25ºC to peak)
1
t
Preheat
S
CURRENT IN AMPERES
Specifications are subject to change without notice.
10
Please refer to www.littelfuse.com/series/452.html
Ramp-up
or /454.html for current information.
100
t
P
t
L
Time
© 2009 Littelfuse, Inc.
Critical Zone
Ramp-down
1000
T
L
to T
P