SM/SMH Series Stackpole Electronics, Inc. Surface Mount Wirewound Resistor Features: * * * * * Resistive Product Solutions High temperature molded encapsulation Flex termination for absorbing thermal expansion All welded construction Non-inductive types available as NSM RoHS compliant / lead-free Electrical Specifications Type / Code Power Rating (Watts) @ 70C Maximum Working Voltage Dielectric Withstanding Voltage SM2615 1W 25V >500V SM4124 2W 50V >500V SM4527 2W 60V SMH4527 3W 60V Resistance Temperature Coefficient Ohmic Range () and Tolerance 100 ppm/C 0.01 - 10(1) 10.2 - 1K 0.1%, 0.5%, 1%, 5% 20 ppm/C 100 ppm/C 20 ppm/C 0.01 - 10(1) 10.2 - 2K >500V 75 ppm/C 0.01 - 0.06(1) >500V 75 ppm/C 0.01 - 0.06(1) 100 ppm/C 0.01 - 10(1) 10.2 - 3.01K SM6227 3W 100V >500V SM8035 4W 100V >500V 20 ppm/C 100 ppm/C 0.01 - 10(1) 10.2 - 5K 20 ppm/C (1) Zero ohm available on all sizes Mechanical Specifications Type / Code A Body Length B Total Length C Body Height D Body Width E Termination Width F Termination Length W H L Unit SM2615 0.26 0.015 6.6 0.4 0.28 0.032 7.1 0.81 0.14 0.015 3.6 0.4 0.15 0.015 3.8 0.4 0.1 0.015 2.5 0.4 0.09 0.015 2.3 0.4 0.138 3.5 0.13 3.3 0.35 8.9 inches mm SM4124 0.41 0.015 10.4 0.4 0.43 0.032 10.9 0.81 0.18 0.015 4.6 0.4 0.24 0.015 6.1 0.4 0.122 0.015 3.1 0.4 0.09 0.015 2.3 0.4 0.181 4.6 0.157 4.0 0.583 14.8 inches mm SM4527 0.455 0.015 11.6 0.4 0.475 0.032 12.1 0.81 0.15 0.015 3.8 0.4 0.27 0.015 6.9 0.4 0.122 0.015 3.1 0.4 0.105 0.015 2.7 0.4 0.169 4.3 0.157 4.0 0.587 14.9 inches mm SMH4527 0.455 0.015 11.6 0.4 0.475 0.032 12.1 0.81 0.15 0.015 3.8 0.4 0.27 0.015 6.9 0.4 0.122 0.015 3.1 0.4 0.105 0.015 2.7 0.4 0.169 4.3 0.157 4.0 0.587 14.9 inches mm SM6227 0.625 0.015 15.9 0.4 0.645 0.032 16.4 0.81 0.25 0.015 6.4 0.4 0.275 0.015 7.0 0.4 0.122 0.015 3.1 0.4 0.13 0.015 3.3 0.4 0.236 6.2 0.165 4.2 0.85 21.6 inches mm SM8035 0.8 0.015 20.3 0.4 0.825 0.032 21.0 0.81 0.362 0.015 9.2 0.4 0.35 0.015 8.9 0.4 0.24 0.015 6.1 0.4 0.123 0.015 3.1 0.4 0.34 8.6 0.19 4.8 0.95 24.1 inches mm Rev Date: 05/12/2011 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 1 www.seielect.com marketing@seielect.com SM/SMH Series Stackpole Electronics, Inc. Surface Mount Wirewound Resistor Resistive Product Solutions Percent Rated Power (%) Power Derating Curve: 100 75 50 25 0 25 50 70 100 150 200 250 275 300 Ambient Temperature (C) Performance Characteristics Test Moisture Resistance Thermal Shock Load Life @ 70C - 1,000 hrs. Resistance to Soldering Heat Terminal Strength Dielectric Withstanding Voltage Short Time Overload Results 1% 0.5% 1% 1 0.5% 0.001% / V 0.2% Operating Temperature Range: -55C to +275C How to Order 1 2 3 4 5 6 7 8 9 10 11 12 S M 4 1 2 4 F T 1 K 0 0 Packaging Description Size 2615 4124 13" reel 4527, H4527 plastic tape 6227 8035 Quantity 1,500 800 1,200 750 350 Product Series Standard SM High Power SMH NSM Non-inductive Size 2615 4124 4527 (H)4527 6227 8035 Power 1W 2W 2W 3W 3W 4W Tolerance Code Tol B 0.1% D 0.5% F 1% J 5% Z Jumper Code T Legacy Part Number (before January 3, 2011): Resistance Value Four characters with the multiplier used as the decimal holder. "L" used as multiplier of 10 3 for any value under 0.1 ohm. 0.01 ohm = 10L0 10 Kohm = 10K0 Zero ohm jumper = 0R00 SEI Type Code Nominal Resistance Tolerance Packaging SM 2 1K 1% R Type Description Code Size Tolerance Types Qty Description Code SM SMH NSM Standard High Power Non-inductive 1 2 2A (H)3A 3 4 2615 4124 4527 4527 6227 8035 0.1% 0.5% 1% 5% SM 1 SM 2 SM 2A, 3A SM 3 SM4 1,500 800 1,200 750 350 13" reel plastic tape R Rev Date: 05/12/2011 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 2 www.seielect.com marketing@seielect.com