0448007.MR Littelfuse Inc, 0448007.MR Datasheet - Page 3

• Manufacturer Part Number: 0448007.MR
• Description: FUSE 7A 125V V/FA NANO2 SMD
• Manufacturer: Littelfuse Inc
• Series: NANO²® 448r

Specifications of 0448007.MR

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 7A
• 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: 0.009 Ohm
• Melting I²t: 13.92
• Current Rating: 7 Amps
• Voltage Rating: 125 Volts
• Fuse Size / Group: Nano
• Termination Style: SMD/SMT
• Body Material: Ceramic
• Product: Surface Mount Fuse
• Interrupt Rating: 50 Amps
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/448.html for current information.
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)
s(min)
s(max)
s
)
P
)
)
)
60 – 120 secs
60 – 90 seconds
250
20 – 40 seconds
8 minutes max.
Temperature, 10
seconds max.
Surface Mount Fuses
NANO
+0/-5
2®
> Very Fast-Acting > 448 Series
51
Average Time Current Curves
0.001
0.01
100
T
0.1
10
T
1
S(max)
0
S(min)
1 .
25
T
T
P
L
time to peak temperature
(t 25ºC to peak)
1
t
Preheat
S
CURRENT IN AMPS
Ramp-up
1
0
t
t
P
1
L
0
0
Time
Critical Zone
Ramp-down
T
L
448 Series
to T
P
1
0
0
0