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| Features I I I I For use in telecommunication circuit applications requiring low current protection with high surge tolerance Overcurrent protection to Telcordia GR-1089-CORE & UL 1950/60950 Bourns(R) TISP(R) products are recommended for the overvoltage section of the circuit Agency recognition: File: E198545 TelefuseTM SMD Power Cross Protection Fuse Electrical Characteristics Typical Cold Resistance (ohms) 0.350 0.090 Volt-drop @ 100 % In (Volts) max. 0.28 0.18 Melting I2T < 10 msec (A2 sec.) 1.4 14 Melting I2T @ 10 In (A2 sec.) 1.8 17 Peak Surge Current (Amps) 50 Pulses @ 1 KV 10 s x 1000 s Model Number B0500T B1250T Ampere Rating (A) 0.500 1.25 Voltage Rating (Vrms) 600 600 Peak Surge Current (Amps) 10 Pulses @ 1 KV 10 s x 1000 s Maximum Power Dissipation (W) 0.25 0.40 25 100 35 N/A % of Amp Rating 100 % 200 % 500 % 1000 % Opening Time Minimum Maximum 4 hrs. N/A 3 sec. 60 sec. 100 msec. 1.5 sec. 30 msec. 300 msec. Surge Withstand Ratings (Model B1250T ) Voltage 800 V 1000 V 2500 V 5000 V Peak Surge Current 100 A 100 A 500 A 500 A Maximum Rise/Duration Time 10 s x 560 s 10 s x 1000 s 2 s x 10 s 2 s x 10 s Repetitions 4 Pulses (2 each polarity) 100 Pulses (50 each polarity) 40 Pulses (20 each polarity) 4 Pulses (2 each polarity) Temperature Range.................................................-55 C to +125 C Environmental Characteristics Thermal Shock ........................................MIL-STD-202, Method 107, Test Condition B (-65 C to +125 C) Shock................................................MIL-STD-202, Method 213, Test Condition I (100 Gs 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 (235 C, 30 sec.) Physical Characteristics Body Material ..............................Ceramic with tin plated brass caps Solder ..................................................................................Lead-free Packaging .......................................................2,000 pcs. per 13" reel Power Cross Rating Overload Current 200 % Fuse Rating 2.2 A 7A 40 A 60 A Voltage (VAC) 600 V 600 V 600 V 600 V 600 V Clearing Time Limit 1.25 A 500 mA max. 60 sec. max. 15 min. max. 1 sec. max. 50 msec. max. 20 msec. max. 60 sec. max. 2 min. max. 100 msec. max. 30 msec. max. 20 msec. Ordering Information Part Number B0500T B1250T Current Rating 500 mA 1.25 A Reliable Electronic Solutions Asia-Pacific: TEL +886- (0)2 25624117 * FAX +886- (0)2 25624116 Europe: TEL +41-41 7685555 * FAX +41-41 7685510 North America: TEL +1-909 781-5500 * FAX +1-909 781-5700 bourns.com Specifications are subject to change without notice. TelefuseTM SMD Power Cross Protection Fuse Typical Current Withstand vs. Current Duration 100 Product Dimensions 2.03 .102 (.080 .004) 10 9.65 .254 (.38 .01) 3.05 .127 (.120 .005) 3.05 .127 (.120 .005) IRMS - RMS Current - A TISP4xxxH3BJ / TISP5xxxH3BJ B1250T 1 B0500T Recommended Pad Layout 3.81 (.15) 0.1 0.01 0.1 1 10 100 1000 4.06 (.16) t - Current Duration - s 5.08 (.20) DIMENSIONS: mm (INCHES) Packaging Specifications 2.2 (.087) 13.0 DIA. (.512) 20 (.787) 0.40 0.05 (.016 .002) 1.55 0.05 (.061 .002) DIA. 1.6 0.05 (.063 .002) DIA. 2.0 0.1 (.079 .004) 4.0 0.1 (.157 .004) 1.75 0.1 (.069 .004) 21.0 (.827) DIA. 55.0 (2.165) DIA. C L 10.0 0.1 (.394 .004) R 0.3 (.012) TYP. 7.50 0.1 (.295 .004) 16.0 0.3 (.630 .012) 3 REF. 3.50 0.1 (.138 .004) 330 (12.992) DIA. 1.6 (.063) 8.0 0.1 (.315 .004) 3.50 0.1 (.138 .004) C L "Telefuse" is a trademark of Bourns, Inc. "TISP" is a trademark of Power Innovations, Ltd., a Bourns Company, and is Registered in U.S. Patent and Trademark Office. Specifications are subject to change without notice. 08/02 COPYRIGHT(c) 2002, BOURNS, INC. LITHO IN U.S.A. 08/02 e/L0204 |
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