Type SMP
Surface Mount Power Cross Protection Fuse
RoHS 6 Compliant
Electrical Specifications
SMP May2012C
SMP 500 500mA 0.320 0.25 600
SMP 1.25 1.25A 0.079 0.16 600
2A 0.063 0.22 600
Y
Y
600V @ 60A AC and 125V
@100ADC
SMP 2
Y
Y
Y
Ampere
Rating (A)
Catalog
Number
Maximum
Power
Dissipation
(W)
Melting I2T
@ 10 In
(A2 Sec)
Melting I2T
<10 m Sec
(A2 Sec)
Interrupting Rating
Volt-drop
@100% In
(volt) Max.
Max.
Voltage
Rating
(V)
Agency Approvals
Typical Cold
Resistance
(ohm)
2.0
14.0
33.0
0.20
0.40
Y2.3
17.0
37.0 0.52
Electrical Specifications
Temperature Derating Curve Average Time Current Curve
100
110
120
130
140
50
60
70
80
-75 -65 -55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125 135 145
Ambient Temperature [oC]
Total Each Polarity SMP 500 SMP 1.25 SMP 2 SMP 500 SMP 1.25 SMP 2
10/1000 50 25 600 25 115 120
1 50 0.33 Will not open Will not open Will not open
10/360 50 25 1000 30 125 150
2 100 0.17 Will not open Will not open Will not open
10/1000 50 25 1000 25 110 120
3 200,400,600 1 Will not open Will not open Will not open
15 minutes
15 minutes
1 Sec
1
1
60
Time For Fuse To Open
GR-1089
1st Level
Test
Voltage
(Vrms)
Short Circuit
Current
(A)
Applications Durations
Repetitions Minimum Withstand Peak Current
(A)
Max. Rise /
Min. Decay
(us) Minimum Peak
Voltage
(V)
Lightning Surge Withstand Capabilities AC Power fault Tests
2/10 20 10 2500 120 500 600
4 1000 1 Will not open Will not open Will not open
10/360 10 5 1000 30 125 150
5 Diagram N/A For Fuses N/A N/A N/A
2/10 2 1 5000 120 500 600
6 600 0.5 Will not open Will not open Will not open
8/20 2 1 5000 75 300 350
7 440 2.2 Will open Will not open Will not open
8 600 3 Will open Will not open Will not open
9 1000 5 Will open Will not open Will not open
CORPORATE OFFICE FAR EAST OFFICE EUROPE OFFICE EUROPE
Bel Fuse Inc. Bel Fuse Ltd. Bel Fuse Europe Ltd. Bel Stewart GmbH
8/F Luk Hop Industrial Building
Preston Technology Management Centre
1.1 Sec
0.4 Sec
5
5
5
1 Sec
5 Sec
30 Sec
2 Sec
60
60
1
Specifications Subject to change without notice.
8/F Luk Hop Industrial Building
Preston Technology Management Centre
Jersey City, NJ 07302 8 Luk Hop Street Marsh Lane, Suite F15 61381 Friedrichsdorf
Tel 201-432-0463 San Po Kong Preston, Lancashire, PR1 8UQ Germany
Fax 201-432-9542 Kowloon, Hong Kong United Kingdom Tel 49-6172-9552-0
E-Mail: belfuse@belf.com Tel 852-2328-5515 Tel 44-1772-556601 Fax 49-6172-9552-40
Website: www. belfuse.com Fax 852-2352-3706 Fax 44-1772-561008