CB Series Ceramic Housed with Axial Leads Wirewound Resistor Features: * * * * * Stackpole Electronics, Inc. Resistive Product Solutions Fireproof power wirewound High thermal conductivity Non-inductive styles available Body standoffs available; add "F" after CB RoHS compliant / lead-free Electrical Specifications Ohmic Range() and Tolerance Type / Code Power Rating (Watts) @ 70C 0.5% 1% 5% 10% CB2 2W - - 0.1 - 300 0.1 - 300 TCR (ppm/C) CB3 3W - - 0.1 - 680 0.1 - 680 CB5 5W - - 0.1 - 680 0.1 - 680 CB7 7W - - 0.1 - 1.5K 0.1 - 1.5K CB10 10W - - 0.1 - 2K 0.1 - 2K CB15 15W - - 0.15 - 2K 0.15 - 2K CB20 20W - - 0.2 - 2K 0.2 - 2K CB22 22W - - CB25 25W - - CB30 30W - - WCB2 2W 1 - 5K 0.1 - 5K 0.1 - 5K WCB3 3W 1 - 10K 0.1 - 10K 0.1 - 10K - WCB5 5W 1 - 10K 0.1 - 10K 0.1 - 10K - <1 = 800ppm/C 1 = 300ppm/C 0.1 to 10 = 50ppm/C >10 = 20ppm/C 1 - 250 0.2 - 2K 1 - 250 1 - 250 0.2 - 2K 1 - 250 - WCB7 7W 1 - 15K 0.1 - 15K 0.1 - 15K - WCB10 10W 1 - 20K 0.1 - 20K 0.1 - 20K - WCB15 15W - 3W 0.1 - 20K - 0.1 - 20K MCB3 1 - 20K - MCB5 5W MCB7 7W 200ppm/C Rev Date: 07/23/2012 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. 1 1 - 500K - - - 1 - 500K - - - 1 - 500K - www.seielect.com marketing@seielect.com CB Series Stackpole Electronics, Inc. Ceramic Housed with Axial Leads Wirewound Resistor Resistive Product Solutions Mechanical Specifications Type / Code CB2, WCB2 CB3, WCB3, MCB3 CB5, WCB5, MCB5 CB7, WCB7, MCB7 CB10, WCB10 CB15, WCB15 CB20 CB22 CB25 CB30 A Body Length 0.700 17.8 0.875 22.2 0.875 22.2 1.400 35.6 1.875 47.6 1.875 47.6 2.500 63.5 2.500 63.5 2.500 63.5 2.500 63.5 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 B Height 0.245 6.2 0.312 7.9 0.375 9.5 0.375 9.5 0.375 9.5 0.500 12.7 0.500 12.7 0.500 12.7 0.500 12.7 0.625 15.9 C Width 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.255 6.5 0.312 7.9 0.375 9.5 0.375 9.5 0.375 9.5 0.500 12.7 0.500 12.7 0.500 12.7 0.500 12.7 0.625 15.9 E Height with Standoff D Lead Diameter 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.032 0.8 0.032 0.8 0.032 0.8 0.036 0.9 0.036 0.9 0.036 0.9 0.036 0.9 0.036 0.9 0.036 0.9 0.036 0.9 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.002 0.1 0.300 7.6 0.375 9.5 0.437 11.1 0.500 12.7 0.500 12.7 0.625 15.9 0.625 15.9 0.625 15.9 0.625 15.9 F Lead Length 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 0.039 1.0 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 1.500 38.1 - Unit 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 0.250 6.4 inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm Performance Characteristics Test Moisture Resistance Thermal Shock Load Life @ 70C - 1,000 hrs. Resistance to Soldering Heat Short Time Overload - 5xPn for 5sec Dielectric Withstanding Voltage Operating Temperature Range: -55C to +275C Test Results 5% 2% 5% 2% 2% 2% 120 Percent Rated Power (%) Power Derating Curve: 100 80 60 40 20 25 75 125 175 225 275 325 Ambient Temperature (C) Rev Date: 07/23/2012 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 marketing@seielect.com CB Series Stackpole Electronics, Inc. Ceramic Housed with Axial Leads Wirewound Resistor Resistive Product Solutions How to Order 1 2 3 4 5 6 7 8 9 C B 2 J B 1 0 0 R Product Series CB WCB MCB CBF WCBF MCBF NCB NCBF Standard With standoff Non-inductive Non-inductive with standoff Series Code 2 3 5 7 10 CB 15 20 22 25 30 2 3 5 WCB 7 10 15 3 MCB 5 7 Power 2W 3W 5W 7W 10W 15W 20W 22W 25W 30W 2W 3W 5W 7W 10W 15W 3W 5W 7W Tolerance Tol Code 0.5% D 1% F 5% J 10% K Code Description B Bulk Packaging Size Quantity CB2, CB3, CB5 750 MCB3, MCB5 WCB2, WCB3, WCB5 500 CB7, CB10, CB15 250 WCB7, WCB10, WCB15 MCB 7 CB20, CB22, CB25, CB30 100 Resistance Value Four characters with the multiplier used as the decimal holder. 0.1 ohm = R100 33 ohm = 33R0 3.32 Kohm = 3K32 Legacy Part Number (before January 3, 2011): SEI Type Code Nominal Resistance Tolerance Packaging CB 2 100 5% B Code CB WCB MCB CBF WCBF MCBF NCB NCBF Description Standard With standoff Non inductive Non inductive with standoff Code 2 3 5 7 10 15 20 22 25 30 Rev Date: 07/23/2012 This specification may be changed at any time without prior notice Please confirm technical specifications before you order and/or use. Tolerance 0.5% 1% 5% 10% 3 SEI Types CB2,CB3,CB5,MCB3,MCB5 WCB2,WCB3,WCB5 CB7,CB10,CB15,WCB7 WCB10,WCB15,MCB7 CB20,CB22,CB25,CB30 Pkg Qty 750 500 250 Description Code Bulk B 100 www.seielect.com marketing@seielect.com