04661.25NR Littelfuse Inc, 04661.25NR Datasheet - Page 2

• Manufacturer Part Number: 04661.25NR
• Description: FUSE 1.25A 63V FAST 1206
• Manufacturer: Littelfuse Inc
• Series: SlimLine™ 466r
• Type: Surface Mount Fusesr

Specifications of 04661.25NR

• Fuse Type: Fast Acting
• Voltage - Rated: 63VAC, 63VDC
• Current: 1.25A
• Package / Case: 1206 (3216 Metric)
• Size / Dimension: 0.126" L x 0.063" W x 0.023" H (3.20mm x 1.60mm x 0.58mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 90°C
• Dc Cold Resistance: 0.059 Ohm
• Melting I²t: 0.064
• Current Rating: 1.25 Amps
• Voltage Rating: 63 Volts
• Fuse Size / Group: 1206
• Termination Style: SMD/SMT
• Body Material: Thermoplastic
• Dimensions: 3.18 mm L x 1.52 mm W
• Product: Surface Mount Fuse
• Interrupt Rating: 50 Amps
• Operating Temperature Range: - 55 C to + 90 C
• Resistance: 0.056 Ohms
• Voltage Rating Vac: 63V
• Voltage Rating Vdc: 63V
• Fuse Current: 1.25A
• Breaking Capacity: 50A @ 63VAC/VDC
• Blow Characteristic: Fast Acting
• Fuse Case Style: 1206
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 04661.25; F1465TR

Note:
1. Rerating depicted in this curve is in addition to the standard rerating of 25% for
466 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.
For continuous operation at 70 degrees celsius, the fuse should be rerated as follows:
I = (0.75)(0.80)I
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 > 1206 Size > Very Fast-Acting > 466 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 – 180 seconds
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
30
Transientology
Average Time Current Curves
T
T
S(max)
0.001
S(min)
0.01
100
25
0.1
10
T
T
1
0.1
P
L
time to peak temperature
Please refer to www.littelfuse.com/series/466.html for current information.
(t 25ºC to peak)
t
Preheat
S
1
CURRENT IN AMPERES
Specifications are subject to change without notice.
Ramp-up
10
t
P
t
L
Time
© 2009 Littelfuse, Inc.
Critical Zone
Ramp-down
T
L
to T
100
P