HSF-1 SERIES METAL GLAZE™ GENERAL PURPOSE SURFACE MOUNT SURGE RESISTOR · · · · · Metal GlazeTM thick film element fired at 1000°C to solid ceramic Up to triple the surge rating of the rugged CHP1 Replaces costly surface-mount wirewound resistors 150°C maximum operating temperature High temperature dielectric coating 1 Watt power rating ROHS - Compatible Components Available 60/40 Solder over nickel barrier Film HSF-1 SPECIFICATIONS: Size Code Industry Footprint IRC Type Maximum Power Rating Working Voltage Maximum Voltage Resistance Range (Ω) Tolerance (±%) TCR (ppm/°C) Product Category F 2512 HSF-1 1W @ 70°C 350 VDC 1000 VDC 5.9, 6.8, 11, 27, 62, 68, 270 10 ±50, ±100 High Surge Note 1: Consult factory for additional resistance values. 2: Consider the CHP for pulse applications requiring values greater than 300 Ω. HSF-1 PERFORMANCE CHARACTERISTICS: Characteristics Maximum Change Test Method Temperature Coefficient As specified MIL-R-55342E Par 4.7.9 (-55°C +125°C) Thermal Shock ±0.5% +0.01 ohm MIL-R-55342E Par 4.7.3 (-65°C +150°C, 5 cycles) Low Temperature Operation ±0.25% +0.01 ohm MIL-R-55342E Par 4.7.4 (-65°C @ working voltage) Short Time Overload ±0.5% +0.01 ohm MIL-R-55342E Par 4.7.5 2.5 x for 5 seconds High Temperature Exposure +0.5 +0.01 ohm MIL-R-55342E Par 4.7.6 (+150°C for 100 hours) Resistance to Bonding ±0.25% 0.01 ohm MIL-R-55342E Par 4.7.7 (Reflow soldered to board at 260°C for 10 seconds) Exposure 95% minimum coverage MIL-STD-202, Method 208 (245°C for 5 seconds) Solderability ±0.5% +0.01 ohm MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours) Moisture Resistance ±0.5% +0.01 ohm MIL-R-55342E Par 4.7.10 (2000 hour at 70°C intermittent) Life Test Terminal Adhesion Strength ±1% +0.01 ohm no mechanical damage 1200 gram push from underside of mounted chip for 60 seconds Resistance to Board Bending ±1% + 0.01 ohm no mechanical damage Chip mounted in center of 90mm long board, deflected 5mm so as to exert pull on chip contacts for 10 seconds General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. · 4222 South Staples Street · Corpus Christi Texas 78411 USA · Facsimile: 361-992-3377 · Website: www.irctt.com WIREWOUND AND FILM TECHNOLOGIES DIVISION Telephone: 361-992-7900 A subsidiary of TT electronics plc Issue October 2008 HSF-1 SURGE CAPABILITY DATA: Film HSF-1 POWER DERATING DATA: Note: Use for low repetitive pulses where the average power dissipation is not to exceed the component rating at 70°C. Surge handling capacity for low-repetitive surges may be significantly greater than shown above. Contact factory Ordering Data: Sample Part No. HSF-1 - 100 - 11R0 - K - LF - 13 IRC Type (HSF-1) Temperature Coefficient (50 = ±50ppm°C; 100 = ±100ppm/°C) Resistance Value Standard 4-digit resistance code. Consult factory for available values. Tolerance (K = 10%) Lead-Free Construction Packaging Code (BLK = Bulk, 7=7" Reel, 13=13" Reel) General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. WIREWOUND AND FILM TECHNOLOGIES DIVISION Telephone: 361-992-7900 · Facsimile: 361-992-3377 · · 4222 South Staples Street Website: www.irctt.com · Corpus Christi Texas 78411 USA A subsidiary of TT electronics plc Issue October 2008