CSM Series Stackpole Electronics, Inc. Molded Metal Plate Sensing Resistor Features: • • • • Resistive Product Solutions High power metal alloy current sense resistor Molded package for superior heat dissipation Typical inductance <5nH Ideal for power supplies and motor drives Electrical Specifications Specification Electrical Type / Code Power Rating (Watt) CSM0603 0.33W Maximum Working Voltage CSM2512 3W Operation Temperature Range: -55ºC ~ +170ºC V=Rated Voltage (V) P=Rated Power (W) R=Resistance Value (Ω) Rated Voltage Resistance Temperature Coefficient Ohmic Range (Ω) and Tolerance 1%, 5% (P*R) 1/2 V = √P*R ±100 ppm/ºC 0.01 (P*R) 1/2 V = √P*R ±75 ppm/ºC 0.002 - 0.1 Mechanical Specifications Type / Code L W C H d Unit CSM0603 0.063 ± 0.004 1.60 ± 0.10 0.031 ± 0.004 0.80 ± 0.10 0.008 ± 0.004 0.20 ± 0.10 0.012 ± 0.004 0.30 ± 0.10 0.012 ± 0.004 0.30 ± 0.10 inches mm CSM2512 0.252 ± 0.008 6.40 ± 0.20 0.126 ± 0.008 3.20 ± 0.20 0.035 ± 0.008 0.90 ± 0.20 0.028 ± 0.008 0.70 ± 0.20 0.035 ± 0.008 0.90 ± 0.20 inches mm How to Order CSM 1 2 3 4 5 6 7 8 9 10 11 12 13 C S M 2 5 1 2 F T 1 0 L 0 Product Series Molded Metal Plate Sensing Resistor Size 0603 2512 Power 0.33W 3W Tolerance Code Tol F 1% J 5% Rev Date: 04/13/2012 This specification may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. Code T Packaging Description Size Paper Tape 0603 Emboss 2512 1 Quantity 5,000 4,000 Resistance Value Four characters with the multiplier used as the decimal holder. 3 "L" used as multiplier of 10 for any value under 0.1 ohm 0.002 = 2L00 0.01 = 10L0 0.1 ohm = R100 www.seielect.com [email protected] CSM Series Stackpole Electronics, Inc. Molded Metal Plate Sensing Resistor Resistive Product Solutions Power Derating Curve: CSM0603 CSM2512 100 100 60 Power Ratio (%) Rated Power(%) 80 40 20 -55 70 0 125 155 Ambient Temperature (ºC) -55 70 170 Ambient Temperature (ºC) Solder Pad Dimensions Type / Code CSM0603 CSM2512 a b L Unit 0.039 1.00 0.157 4.00 0.028 0.70 0.083 2.10 0.035 0.90 0.161 4.10 inches mm inches mm Performance Characteristics Test Items Condition of Test Test Limits Temperature Coefficient of Resistance +25ºC ~ +125ºC ±75 ppm/ºC Load Life 1000 hours at rated power, 70ºC, 1.5 hours ON, 0.5 hours OFF ±1% Short Time Overload 5 X rated power for 5 seconds ±0.5% (for 0.04 - 0.1Ω > rated power x 2.5 for 5 seconds Moisture No Load 85ºC, 85% RH, 1000 hours ±0.5% Temperature Cycle -55ºC and +155ºC, 300 cycles, 15 minuntes per extreme condition ±0.5% Resistance to Soldering Heat 260±5ºC for 20±1 seconds ±0.5% Solderability 245±5ºC for 2±0.5 seconds At least 95% of surface area of electrode must be covered with new solder High Temperature Exposure 170ºC for 1000 hours ±0.5% Low Temperature Storage -55ºC for 1000 hours ±0.5% Substrate Bending Bending width 2mm ±1% Insulation Resistance 100V DC for 1 minute > 100MΩ Storage Conditions: temperature 5ºC ~ 35ºC; humidity 40% ~ 75%. Rev Date: 04/13/2012 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 [email protected]