PL IA NT Features *R oH S CO M ■ ■ ■ ■ ■ For use in telecommunication circuit applications requiring low current protection with high surge tolerance Overcurrent protection to Telcordia GR-1089-CORE Issue 4 (B1250T only) & UL 1950/60950 Bourns® TISP® products are recommended for the overvoltage section of the circuit Agency recognition: File: E198545 RoHS compliant* Telefuse™ SMD Power Cross Protection Fuse Electrical Characteristics Model Number Ampere Rating (A) Voltage Rating (VRMS) B0500T B1250T B2000T 0.500 1.25 2.0 600 600 600 Temperature Range ........-55 ºC to +125 ºC 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 Solder Reflow Temperature ..............................240 °C for 30 seconds 260 °C for 3 seconds Packaging ..............2,000 pcs. per 13 ” reel Typical Cold Resistance (ohms) 0.350 0.075 0.056 Volt-drop @ 100 % In (Volts) max. 0.23 0.18 0.16 Melting I2T < 10 msec (A2 sec.) Melting I2T @ 10 In (A2 sec.) 2 14 33 2.3 17 37 Maximum Power Dissipation (W) 0.20 0.40 0.52 Lightning Surge Withstand Capabilities Max. Rise/ Min. Decay (µs) 10/1000 10/360 2/10 10/360 2/10 8/20 Repetitions Total 50 50 20 10 2 2 Minimum Peak Each Polarity Voltage (V) 25 1000 25 1000 10 2500 5 1000 1 5000 1 5000 Minimum Withstand Peak Current (A) B0500T 25 30 120 30 120 75 B1250T 100 125 500 125 500 300 B2000T 120 150 600 150 600 350 Test Methods per GR-1089/TIA-968-A (FCC Pt. 68) AC Power Fault Tests Short GR-1089 Circuit 1st Level Voltage Current Test (VRMS) (A) 1 2 3 4 6 7 8 9 50 100 200,400, 600 1000 600 440 600 1000 0.33 0.17 Fuse Characteristics Applications Duration 1 15 min. 1 15 min. 1 60 1 sec. 1 0.5 2.2 3 5 60 1 5 5 5 1 sec. 30 sec. 2 sec. 1.1 sec. 0.4 sec. B0500T B1250T B2000T Parts pass all 1st Level tests Will open Will open Will open AC Current Limiting Protector Tests/Fusing Coordination Tests Maximum Time for Fuse to Open (Seconds) Asia-Pacific: TEL +886- (0)2 25624117 FAX +886- (0)2 25624116 Europe: TEL +41-41 7685555 FAX +41-41 7685510 The Americas: TEL +1-951 781-5500 FAX +1-951 781-5700 www.bourns.com Voltage (Vac) Current (A) 600 600 600 600 600 600 600 600 600 600 600 2.2 2.6 3.0 3.75 5 7 10 12.5 20 25 30 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify device performance in their specific applications. Duration B0500T B1250T B2000T Up to 15 Min. 1.0 0.8 0.5 0.3 0.2 0.08 0.04 0.01 0.005 0.004 0.003 900 50 10 5 2 1 0.5 0.2 0.07 0.04 0.02 Will not open 2000 100 10 3 2 0.7 0.3 0.1 0.07 0.05 Telefuse™ SMD Power Cross Protection Fuse Time/Current Characteristic Curve Product Dimensions 1000 2.03 ± .102 (.080 ± .004) Current (Amperes) 100 10 9.65 ± .254 (.38 ± .01) B2000T B1250T 1 3.05 ± .127 (.120 ± .005) B0500T 3.05 ± .127 (.120 ± .005) 0.1 0.01 0.01 0.1 1 10 100 1000 10000 Recommended Pad Layout Time (Seconds) 3.81 (.15) 4.06 (.16) 5.08 (.20) DIMENSIONS: MM (INCHES) Solder Profile - 260 °C for 3 Seconds 300 PREHEAT ZONE 2 ZONE 3 REFLOW COOL 267 TEMPERATURE (°C) 233 200 167 133 100 67 33 0 0 48 95 143 190 238 286 333 381 429 SECONDS Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Telefuse™ SMD Power Cross Protection Fuse Packaging Specifications 2.2 (.087) 20 (.787) 13.0 DIA. (.512) 1.55 ± 0.05 (.061 ± .002) DIA. 55.0 (2.165) DIA. 21.0 (.827) DIA. 0.40 ± 0.05 (.016 ± .002) 4.0 ± 0.1 (.157 ± .004) 2.0 ± 0.1 (.079 ± .004) 1.75 ± 0.1 (.069 ± .004) 1.6 ± 0.05 (.063 ± .002) DIA. CL 7.50 ± 0.1 (.295 ± .004) 10.0 ± 0.1 (.394 ± .004) R 3 ° REF. 3.50 ± 0.1 (.138 ± .004) 0.3 (.012) TYP. 16.0 ± 0.3 (.630 ± .012) 8.0 ± 0.1 (.315 ± .004) 3.50 ± 0.1 (.138 ± .004) 1.6 (.063) 330 (12.992) DIA. DIMENSIONS: REV. 01/09 “Telefuse” is a trademark of Bourns, Inc. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM (INCHES) CL