SMC Series Cylindrical Surface Mount Metal GlazeTM Compliant-Terminal Resistors * * * * Lead free, RoHS compliant Uses standard IRC 2512, 3610 solder pads Ideal for automotive and other harsh thermal applications Uncompromising Metal GlazeTM performance gives excellent surge performance * Capped terminals provide mechanical compliance-relief from board vs. component TCE mismatch Electrical Data IRC Type Industry Standard Footprint Power Rating (Watts) SMC-1 2512 1.0 @ 70C SMC-2 3610 Resistance Range (Ohms) Tolerance (%)1 TCR (ppm/C) 1.0 to 10 5 200 10 - 1 M 1, 2, 5 100 2.0 @ 25C 1.0 to 10 5 200 1.33 @ 70C 10 - 1 M 1, 2, 5 100 Operating Voltage (V) Maximum Voltage (V) 350 700 500 1000 Notes: 1 For tolerances below 1%, please contact factory. Environmental Data Characteristics Maximum Change Test Method Temperature Coefficient (ppm/C) As specified MIL-PRF-55342E Par 4.7.9 (-55C to +125C) Thermal Shock 2.0% +0.01 (R 10) 1.0% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.3 (-65C to +150C) Low Temperature Operation 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.4 (-65C @ working voltage) Short Time Overload 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.5 (2.5 x PxR for 5 seconds) High Temperature Exposure 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.6 (+150C for 100 hours) Resistance to Bonding 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.7 (Reflow soldered to board @ 260C for 10 seconds) Solderability 95% minimum coverage MIL-STD-202, Method 208 (245C for 5 seconds) Moisture Resistance 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.8 (10 cycles, total 240 hours) Life Test 1.0% +0.01 (R 10) 0.5% +0.01 (R > 10) MIL-PRF-55342E Par 4.7.10 (2000 hours @ 70C intermittent) Terminal Adhesion Strength 1% +0.01 no mechanical damage 1200 gram push from underside of mounted chip for 60 seconds Resistance to Board Bending 1% +0.01 no mechanical damage Chip mounted in center of 90mm long board, deflected 5mm so as to exert pull on chip contacts for 10 seconds Operating Temperature -55C to +150C 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. Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc SMC Series Issue March 2010 Sheet 1 of 3 Cylindrical Surface Mount Metal GlazeTM Compliant Terminal Resistors Physical Data L C W Dimensions (Inches and (mm)) Industry Footprint IRC Type 2512 SMC-1 3610 SMC-2 L (Length) W (Width/Diameter) C (Termination Width) 0.250 0.010 0.122 0.003 0.060 0.010 (6.35 0.25) (3.10 0.08) (1.50 0.25) 0.367 0.010 0.122 0.003 0.060 0.010 (9.32 0.25) (3.10 0.08) (1.50 0.25) Recommended Solder Pad Dimensions (Reflow): F B A C A E D Industry Footprint Dimensions (Inches and mm)) A B C D E F 2512 0.121 (3.07) 0.126 (3.20) 0.127 (3.23) 0.183 (4.65) 0.040 (1.02) 0.369 (9.37) 3610 0.170 (4.32) 0.160 (4.06) 0.213 (5.41) 0.273 (6.93) 0.044 (1.12) 0.553 (14.05) Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com SMC Series Issue March 2010 Sheet 2 of 3 Cylindrical Surface Mount Metal GlazeTM Compliant Terminal Resistors Surge Capabilities SMC SERIES SURGE CAPABILITY SMC SERIES SURGE CAPABILITY for Non-repetitive or Low Repetition Rate Surges for Repetitive Surges 1,000,000 1,000,000 100,000 100,000 SM 10,000 Peak Power (Watts) Peak Power (Watts) C-2 SM C-1 1,000 10,000 1,000 SMC-2 100 100 SMC-1 10 10 1 1 1.0E-9 1.0E-4 1.0E-06 1.0E-03 1.0E-03 1.0E-00 1.0E-02 1.0E-01 1.0E+00 Surge or Pulse Duration (Seconds) Surge or Pulse Duration (Seconds) Standard Reel Packaging per EIA-481: Power Derating Curve % Of Rated Power 120 SMC-1 100 Industry Footprint Reel Diameter* Quantity Per Reel SMC-1 2512 7 750 13" 2,500 13 2,000 80 SMC-2 60 SMC-2 3610 40 20 0 25 Carrier Tape Width Component Pitch 12mm 4mm 24mm 4mm *The 13 reel is considered standard and will be supplied unless otherwise specified. 35 45 55 65 75 85 95 105 115 125 135 145 Ambient Temperature (C) Ordering Data Sample Part No. SMC1 100 2003 F LF XXX 13 IRC Type (SMC1 or SMC2) Temperature Coefficient (100 or 200 ppm) Resistance Value (First three significant figures plus fourth digit multiplier) Example: 2203 = 220 K 51R0 = 51 2R00 = 2.0 Tolerance F = 1.0%, G = 2.0%, J = 5.0% LF Provides clear "Lead Free" Designation Specification Number (Optional) Custom design identifier for non-standard products Packaging Code (7 = 7" Reel, 13 = 13" Reel) Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com SMC Series Issue March 2010 Sheet 3 of 3