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Type SMP SMPD0104 Surface Mount Power Cross Protection Fuse 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) 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) SMP 500 SMP 1.25 500mA 1.25A 600V 600V 0.350 0.090 0.28 0.18 1.4 14 1.8 17 25 100 35 N/A 0.25 0.40 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. Voltage 1000V 2500V 5000V Peak Maximum Surge Rise/Duration Current Time 100A 500A 500A 10 uS x 1000 uS 2 uS x 10 uS 2 uS x 10 uS Repetitions 100 Pulses (50 Each Polarity) 40 Pulses (20 Each Polarity) 4 Pulses (2 Each Polarity) Power Cross (Telecom) Rating (Fuse Rated 0.1-1.5A) Overload Current 200% Fuse Rating 2.2A 7A 40A 60A Double-exponential Impulse Waveform Current (Peak Value) lp 0.9 lp Voltage 600V 600V 600V 600V 600V Clearing Time Limit 1.25A max. 60 sec max. 15 min max. 1 sec max. 50 msec max. 20 msec Waveform Duration Of A/B Seconds A = Rise Time = T1-T0 (1.25(b-a) B = Duration = T2-T0 500mA max. 60 sec max. 2 min max. 100msec max. 30 msec max. 20 msec Electrical Characteristics Testing current 100% 200% 500% 1000% (UL STD. 248-14) 0.5 lp Blow Time Minimum Maximum 4 hrs. N/A 3 sec 60 sec 100 msec 1.5 sec 30 msec 300 msec 0.1 lp a TO b T1 Time T2 Thermal Shock MIL-STD-202, Method 107, Test Condition B (-65C to +125C) Operating Temperature -55C to +125C Approvals Safety Agency Approvals Interrupting Rating 60A@ 600V AC 100A@ 125V DC Power Factor Resistive Resistive rc Intended Application Telecom Protection 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" Packaging 2,000 fuses in 13 inches dia. reel, 16 mm wide tape, 8 mm pitch, per EIA standard 481 r Recognized File no. E20624 Environmental Specification Soldering Techniques & Compatability Reflow: Industrial standard, 240C peak Shock MIL-STD-202, Method 213, Test Condition I (100 G's peak for 6 milliseconds) Vibration MIL-STD-202, Method 201 (10-55 Hz, 0.06 inch, total excursion) 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 Resistance to solder Heat MIL-STD-202, Method 210, Test Condition J (235C, 30 sec) Mechanical Dimensions 3 . 0 5 0 . 1 3 m m (0.120"0.005") 3.050.13mm (0.120"0.005") 2.030.10mm (0.080"0.004") bel 1.25 9.650.25mm (0.38"0.01") SMP 3.81mm (0.15") 4.06mm (0.16") Recommended pad layout 5.08mm (0.20") 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: belfuse@belfuse.com Website: www.belfuse.com 19 Specifications subject to change without notice Type SMP Surface Mount Power Cross Protection Fuse SMPC0901 SMP - TIME CURRENT CHARACTERISTIC CURVE - 500mA 10000 1000 10 TIME IN SECONDS 100 10 1 - 1.25A 0.1 0.01 0.01 0.1 1 10 100 1000 CURRENT IN AMPERES 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: belfuse@belfuse.com 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 Specifications subject to change without notice 20 |
Price & Availability of SMP125
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