Circuit Protection
Power Battery Packs Protection
2
High I t Fuses
Descriptions
Design for power battery packs overload and short circuit
protection Surface mount deign to save space
Ceramic Suqare body with Silver plated end cap
Designed to UL248-1
Fully compatible with lead-free solder and high temperature
profile associated with lead-free assembly
High I2 t surface mount fuses
Compatible with reflow and wave solder
Excellent environmental integrity
High reliability and resilience
RoHS compliant and Halogen Free
Wide operating temperature range
Strong arc suppression characteristics
Part
Number
2410BP-25A
2410BP-30A
2410BP-40A
Ampere
Rating
(A)
25
30
40
Voltage
Rating
(Vdc)
72
72
72
Interrupting
Rating
72V@500A
72V@500A
72V@500A
Typical Cold
Resistance
(Ohms)
0.0018
0.0012
0.0009
Typical
2
Melting I t
2
(A Sec)
421
910
1605
Typical
Voltage
Drop (V)
0.056
0.052
0.051
DC Cold Resistance are measured at <10% of rated current in ambient temperature of 25 .°C
DC Interrupting Rating - Measured at designated voltage, time constant < 50 microseconds.
2
Typical Melting I t measured at 10In Current.
Typical Voltage Drop measured at rated current after temperature has stabilized.
Specifications
Features
Power battery protection
Test equipmentPower supplies
Game systems Industrial equipment
Telecom system
Appications
2410BP-20A 20 72 72V@500A 0.0024 215 0.063
Amp Rating % of Amp Rating Opening Time
20~40A
100% 4 Hours Min.
200%
< 60 Seconds
Electrical Characteristics
1of 3
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6.1±0.5
(0.240±0.02)
(0.102±0.02)
2.60±0.5
2.60±0.5
(0.102±0.02)
1.40±0.1
(0.055±0.004)
2.60
(0.102)
3.0
(0.118)
(0.157)
4.0
8.6
(0.338)
Dimension
Temperature Derating Curve
Normal Operating Temperature: 25 ± 2
Operating T emperature: -55 to 125°C
°C
tP
TP
TL
TS ma x
TS mi n
tS
t
Preheat
Time 2 5 to Pea k°C
Max.Ram p Up Rate= 3 /S
Max.Ram p Down Rate= 6°C/S
°C
25
TC -5°C
Time
Temp e r a tu r e
Soldering Parameters
IR Reflow Profile
Preheat Heat
Temperature min (Tsmin)
Temperature max(Tsmax)
Time (Tsmin to Tsmax) (ts)
150
200°C
60 -120 seconds
°C
Average ramp-up rate
(Tsmax to Tp)
3°C/second max.
Liquidous temperature (TL)
Time at liquidous (tL)
217
60 - 150 seconds
°C
Peak temperature(Tp)
260+0/-5°C
Time within 5°C of actual
peak Temperature (tp)
10 – 30 seconds
Average ramp-down rate
(Tp to Tsmax)
6°C/second max.
Time 25 °C to peak
temperature
8 minutes max.
Wave Soldering:
260°C, 10 seconds max.
Infrared Reflow:
260°C, 30 seconds max.
140
120
100
80
60
40
20
0
-60 -20 0 4020 60 80 100 125-40
Ambi e n t T em p e ra t u re °C
Perc e n t ag e o f R at i n g
Unit: mm/inch
Packaging
12mm wide tape on 178mm(7 inch)
diameter reel -specification EIA
Standard 481.
Quantity: 1 000pcs,
Circuit Protection
Power Battery Packs Protection
2
High I t Fuses
Pad layout
2 of 3
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