BEL SMPD0104

Type SMP
Surface Mount Power Cross Protection Fuse
SMPD0104
Catalog
Number
Ampere
Rating
Voltage
Rating
Typical
Cold
Resistance
(ohm)
Volt-drop
@100% In
(Volt)
max.
Melting I2T
< 10 mSec
(A2 Sec)
Melting I2T
@10 In
(A2 Sec)
SMP 500
500mA
600V
0.350
0.28
1.4
1.8
25
35
0.25
SMP 1.25
1.25A
600V
0.090
0.18
14
17
100
N/A
0.40
Peak Surge Current
(Amp)
50 Pulses 1,000V
10 uS x 1000 uS
Peak Surge Current
(Amp)
10 Pulses 1,000V
10 uS x 1000 uS
Maximum
Power
Dissipation
(W)
Consult manufacturer for other ratings
SMP 1.25 Surge Withstand Ratings
SMP Surface Mount Power Cross Protection Fuses are primarily intended
for use in telecommunication circuit applications requiring low current
protection with high surge tolerance.They are typically used to replace heat coil
type devices.They are designed to be placed between the line input and the surge
arresting components (mov. gas tube, zenor diode, air gaps, etc.)
These fuses will withstand transient surge currents generated by lightning in
accordance with the attached table.
SMP Fuses guard protected circuitry against sustained overload or short
circuit conditions. Such sustained overloads may be generated by accidental
contact between utility cables and phone lines (power line cross).
SMP Fuse are used in circuits to obtain compliance with the test
requirements specified in UL 1950/60950 and Bellcore GR 1089.
Testing current
100%
200%
500%
1000%
(UL STD. 248-14)
Blow Time
Minimum
Maximum
4 hrs.
N/A
3 sec
60 sec
100 msec
1.5 sec
30 msec
300 msec
Safety Agency
Approvals
r Recognized File no.
E20624
Repetitions
1000V
100A
10 uS x 1000 uS
100 Pulses (50 Each Polarity)
2500V
500A
2 uS x 10 uS
40 Pulses (20 Each Polarity)
5000V
500A
2 uS x 10 uS
4 Pulses (2 Each Polarity)
Power Cross (Telecom) Rating
(Fuse Rated 0.1-1.5A)
Overload
Current
Voltage
200% Fuse Rating
2.2A
7A
40A
60A
600V
600V
600V
600V
600V
Double-exponential
Impulse Waveform
Current
Clearing Time Limit
1.25A
500mA
max. 60 sec
max. 15 min
max. 1 sec
max. 50 msec
max. 20 msec
max. 60 sec
max. 2 min
max. 100msec
max. 30 msec
max. 20 msec
Waveform Duration Of A/B Seconds
A = Rise Time = T1-T0 (1.25(b-a)
B = Duration = T2-T0
(Peak Value) lp
0.9 lp
0.5 lp
0.1 lp
a
TO
b
T1
Time
T2
Thermal Shock
MIL-STD-202, Method 107, Test Condition B (-65°C to +125°C)
Operating Temperature
-55°C to +125°C
rc
Approvals
Peak
Maximum
Surge Rise/Duration
Current
Time
Interrupting Rating
Power
Factor
Intended
Application
[email protected] 600V AC
Resistive
Telecom Protection
[email protected] 125V DC
Resistive
General Purpose
Physical Specification
Materials
Ceramic Body / Tin Plated Brass Caps
Lead Free Solder
Marking
On fuse: “bel”, “Current Rating”
On label: Above info; “Type”, “Voltage Rating”, “Appropriate Safety Logos”
Interrupting Rating plus “c“
Environmental Specification
Packaging
2,000 fuses in 13 inches dia. reel, 16 mm wide tape, 8 mm pitch,
per EIA standard 481
Soldering Techniques & Compatability
Reflow: Industrial standard, 240°C peak
Shock
MIL-STD-202, Method 213, Test Condition I (100 G’s peak for
6 milliseconds)
Mechanical Dimensions
Salt Spray
MIL-STD-202, Method 101, Test condition B (48 hrs)
Insulation Resistance
MIL-STD-202, Method 302, Test Condition A
(After Opening) 10,000 ohms minimum
Solderability
MIL-STD-202, Method 208
2.03±0.10mm
(0.080"±0.004")
3 . 0 5 ±0 . 1 3 m m
(0.120"±0.005")
Vibration
MIL-STD-202, Method 201 (10-55 Hz, 0.06 inch, total
excursion)
3.05±0.13mm
(0.120"±0.005")
bel 1.25
9.65±0.25mm
(0.38"±0.01")
SMP
3.81mm
(0.15")
4.06mm
(0.16")
Recommended pad layout
5.08mm
(0.20")
Resistance to solder Heat
MIL-STD-202, Method 210, Test Condition J (235°C, 30 sec)
Specifications subject to change without notice
Electrical Characteristics
Voltage
ORDERING INFORMATION SEE PAGES 67 & 68
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: [email protected]
Website: www.belfuse.com
19
Type SMP
Surface Mount Power Cross Protection Fuse
SMPC0901
- 1.25A
- 500mA
SMP - TIME CURRENT CHARACTERISTIC CURVE
10000
TIME IN SECONDS
1000
10
100
10
0.1
0.01
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Specifications subject to change without notice
1
NOTE - see important information under “User Guide”on P.08
Corporate Office
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: [email protected]
Website: www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K
Tel: 44-1772-556601
Fax: 44-1772-888366
20