Resistors Make Possible Ceramic Case Resistors Wirewound / Metal Oxide SQP / CAF / CAW Series 2 watts to 25 watts Resistance 0R1 to 200K High overload capability RoHS compliant Flameproof ceramic case with inorganic potting material All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Electrical Data SQP10 / SQP15 / SQP20 / SQP2 / CA-2 SQP3 / CA-3 SQP5 / CA-5 SQP7 / CA-7 SQP7S CAW25 CA-10 CA-15 CA-20 Power rating at 70C watts 2 3 5 7 7 10 15 20 25 Resistance range wirewound (CAW) ohms 0R1-27R 0R1-39R 0R1-47R 0R1-680R 1R0-100R 0R1-910R 1R0-1K0 2R0-1K2 2R0-1K2 Resistance range oxide (CAF) ohms 28R-120K 40R-150K 48R-150K 681R-200K 101R-150K 911R-200K 1K1-200K 1K3-200K - Resistance tolerance % 5, 10 TCR ppm/C <20R: 400 20R: 350 Isolation voltage volts 1000 Standard values E24 preferred Thermal impedance C/W 50 45 30 26 26 21 16 12 10 Ambient temperature range C -55 to +155 No Limiting Element Voltage applies to this series the Rated Voltage is (P.R). Physical Data Dimensions (mm) and weight (g) Type L max. W max. H max. f min. d (0.1) Wt. nom. SQP2 / CA-2 19 8 8 23 0.7 2.2 SQP3 / CA-3 23 9 9 27 0.7 3.5 SQP5 / CA-5 23 11 10 30 0.75 5 SQP7 / CA-7 36 11 10 30 0.75 8.2 SQP7S 26 10 10 30 0.75 6 SQP10 / CA-10 50 11 10 30 0.75 11 SQP15 / CA-15 50 13.5 12.5 30 0.75 17.4 Alternate body shape SQP20 / CA-20 61 15.5 14.5 30 0.75 25 (CAW-A / CAF-A) CAW25 65 15.5 14.5 30 0.75 26.7 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronicsresistors.com TT Electronics plc 09.14Ceramic Case Resistors Ceramic Case Resisters Resistors Wirewound / Metal Oxide Make Possible Wirewound / Metal Oxide SQP / CAF / CAW Series Welwyn Components SQP Series Construction A high purity ceramic rod, with force fit end caps onto which is wound a wire element: or a deposited metal oxide film (depending on value). The element is fitted into a ceramic case with fireproof insulation cement. Termination Details Material The tinned copper lead wires are internally welded to the resistance element end caps. Solderability The terminations meet the requirements of IEC 115-1 Clause 4.17.3.2 Strength The terminations meet the requirements of IEC 86.2.21 Performance Data Maximum Load at rated power (1000hrs at 70C) R% 100K: 5% +0.05, >100K: 10% Derating from rated power at 70 C See Graph R% 2% +0.05 Short term overload (6.25xPr for 5s) Damp heat steady state (56 days, 40C, 90% RH) R% 2% +0.05 Temperature rapid change R% 2% +0.05 Resistance to solder heat R% 1% +0.05 Pulse handling Data available by request P Marking 100% Type reference, resistance value and tolerance are legend marked onto the upper surface. 50% Flammability The resistor will not burn or emit incandescent TC particles under any condition of applied temperature 0% -30 70 155 275 or overload. Solvent resistance The body protection and marking are resistant to all normal industrial solvents suitable for printed circuits. General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronicsresistors.com Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue C 07.08 07.06 TT Electronics plc 09.14 71