Raychem FT600 Series Overcurrent Fuse New surface-mount fuse products for overcurrent protection of communications equipment Benefits: Features: • When combined with a SiBar™ overvoltage protection device, assists equipment in meeting regulatory standards with no additional series components • Improved temperature rise performance over other similar SMT fuse devices under sneak current testing • High density placement in multi-port system designs • The lightning robust surface-mount fuse offers overcurrent protection from power faults • Designed to assist equipment in complying with telecom specifications including UL60950, FCC Part 68, and Telcordia GR-1089 • Small footprint and low resistance • Low profile Target Applications: • xDSL and ADSL linecards and modems • T1/E1 systems • Twisted pair telecom ports requiring Telcordia GR-1089, UL60950 and FCC Part 68 compliance Interrupt Voltage and Current Ratings Part Number FT600-0500 FT600-1250 FT600-2000 Ampere Rating (A) 0.50 1.25 2.00 Voltage Rating (V) 250 250 250 Typical Resistance (Ω) 0.5 0.1 0.05 Typical I2t (A2s)* 1 16 18 Power Cross The FTxxxx devices are designed to carry 100% of rated current for 4 hours minimum and 250% of rated current for 1 second minimum, 120 seconds maximum. Resistance measured at 10% of rated current. *I2t is calculated at 10 ms or less. GR-1089 1000Vac, 5A, 0.5sec GR-1089 600Vac, 60A, 5sec ✓ ✓ ✓ ✓ FT600-0500 FT600-1250 FT600-2000 UL60950 600Vac, 40A, 1.5sec ✓ ✓ ✓ GR-1089/UL60950 600Vac, 7A, 5sec ✓ ✓ ✓ GR-1089/UL60950 600Vac, 2.2A, 30min ✓ ✓ ✓ GR-1089 277Vac, 25A, 15min ✓ ✓ ✓ UL60950 120Vac, 25A, 30min ✓ ✓ ✓ Lightning Surge Note: FT600-1250 and FT600-2000 are designed to assist equipment in complying with Telcordia GR-1089 specifications. In-circuit testing is strongly recommended. Telcordia GR-1089 Surge Voltage (Vpk) Wave Form (µs) Surge Current (A) Repetitions (each polarity) FT600-0500 FT600-1250 FT600-2000 First Level Test 1 600 10x1000 100 25 First Level Test 2 1000 10x360 100 25 First Level Test 3 1000 10x1000 100 25 First Level Test 4 2500 2x10 500 10 First Level Test 5 1000 10x360 25 5 Second Level Test 1 5000 2x10 500 1 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ FCC Part 68 Surge Voltage (Vpk) Short Circuit Wave Form (µs) Surge Current (A) Repetitions (each polarity) FT600-0500 FT600-1250 FT600-2000 Type A Metallic 800 10x560 100 1 Fuse open ✓ ✓ Type A Longitudinal 1500 10x160 200 1 Fuse open ✓ ✓ Type B Metallic 1000 5x320 25 1 ✓ ✓ ✓ Type B Longitudinal 1500 5x320 37.5 1 ✓ ✓ ✓ The FT600-0500, FT600-1250 and FT600-2000 are designed to meet the FCC Part 68 lightning surge requirements. Note that Type A tests allow for an overcurrent protection component to fuse open during the surge. Product Dimensions A C B Dimensions in millimeters (inches) A (Max.) 10.5 (0.413) B (Max.) 3.4 (0.133) C (Max.) 3.4 (0.133) Termination material Body material Termination solderability Solder heat withstand Solvent resistance Storage temperature Storage humidity Details Silver-plated brass Ceramic Per IEC-60127-4 Per MIL-STD-202, Method 210, Test Condition J Per MIL-STD-202F, Method 215J -40/+85°C Per MIL-STD-202F, Method 106F FT600 Series Fuses Typical Time-to-Open Characteristics (at 25˚ C) Thermal Derating Curve 130 PERCENT OF CURRENT RATING 120 110 100 90 80 70 -70 -50 -30 -10 10 30 50 70 90 110 130 AMBIENT TEMPERATURE (°C) Solder Reflow Recommendations 300 Preheating Soldering Cooling Temperature (°C) Temperature (°C) 250 200 Solder Reflow • Recommended reflow methods: IR, vapor phase oven, hot air oven. • Devices can be cleaned using standard industry methods and solvents. Ordering Information Part numbers Devices per reel Standard package 150 FT600-0500-2 FT600-1250-2 FT600-2000-2 2,500/reel 10,000/box Note: The -2 designates tape and reel, the package style for this product. 100 50 0 120 30 to 90 10 to 20 Time(s) Time(s) Recommended Pad Layout The dimensions in the table below provide the recommended pad layout for each FT600 device. Agency Recognitions Dimensions in millimeters (inches) C B A 12.6 (0.496) B 4.0 (0.157) C 3.7 (0.145) D 5.2 (0.204) UL CSA File # E197536 Pending A Worldwide Headquarters 308 Constitution Drive, MS R21/2A Menlo Park, CA USA 94025-1164 Tel (800) 227-7040 (650) 361-6900 Fax (650) 361-2508 Japan Tel 81-44-900-5110 Fax 81-44-900-5140 Asia Pacific Tel 852-2738-3401 Fax 852-2735-1185 Europe Tel 32/16351714 Fax 32/16351727 www.tycopowercomponents.com www.circuitprotection.com.hk (Chinese) www.raychem.com/go/jpn/polyswitch (Japanese) SiBar is a trademark of Tyco Electronics Corporation. All information, including illustrations, is believed to be reliable. Users, however, should independently evaluate the suitability of each product for their application. Tyco Electronics makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Tyco Electronics’ only obligations are those in the Company’s Standard Terms and Conditions of Sale for this product, and in no case will Tyco Electronics be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of the product. Specifications are subject to change without notice. In addition, Tyco Electronics reserves the right to make changes-without notification to Buyer-to materials or processing that do not affect compliance with any applicable specification. ©2002 Tyco Electronics Corporation. Printed in USA. RCP0049.1102.1000 D