Resistors 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 amended by (EU) 2015/863 (RoHS3) Electrical Data 2 3 5 7 7 SQP10 / CA-10 10 250 300 350 500 350 700 1R0-100R SQP2 / CA-2 SQP3 / CA-3 SQP5 / CA-5 SQP7 / CA-7 Power rating at 70C watts Limiting element voltage volts dc or ac rms SQP7S SQP15 / CA-15 15 SQP20 / CA-20 20 700 750 750 CAW25 25 Resistance range - wirewound (CAW) ohms 0R1-27R 0R1-39R 0R1-47R 0R1-680R 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 - 16 12 10 Resistance tolerance % TCR 5, 10 <20R: 400 20R: 350 ppm/C Isolation voltage volts 1000 Standard values E24 preferred Thermal impedance C/W Ambient temperature range 50 45 30 26 C 26 21 -55 to +155 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 SQP20 / CA-20 61 15.5 14.5 30 0.75 25 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. Alternate body shape (CAW-A / CAF-A) BI Technologies IRC Welwyn www.ttelectronics.com/resistors (c) TT Electronics plc 09.18 Ceramic Case Resistors - Ceramic Case Resisters - Wirewound / MetalResistors Oxide 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, Derating from rated power at 70 C See Graph R% 2% +0.05 R% 2% +0.05 Temperature rapid change R% 2% +0.05 Resistance to solder heat R% Short term overload (6.25xPr for 5s) Damp heat steady state (56 days, 40C, >100K: 10% 90% RH) Pulse handling 1% +0.05 Data available by request P Marking Type reference, resistance value and tolerance are legend marked onto the upper surface. 100% 50% 0% -30 TC 70 155 275 Flammability The resistor will not burn or emit incandescent particles under any condition of applied temperature or overload. Solvent resistance The body protection and marking are resistant to all normal industrial solvents suitable for printed circuits. General Note BI Technologies IRC Welwyn 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. (c) 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 (c) TT Electronics plc www.ttelectronics.com/resistors Issue C * 07.08 07.06 09.18 71 Ceramic Case Resistors - Wirewound / Metal Oxide SQP / CAF / CAW Series Ordering Procedure This product has two valid part numbers: European (Welwyn) Part Number: SQP3-1K2JB5 (SQP3, 1.2 kilohms 5%, Pb-free) S Q P 3 - 1 1 K 2 2 1 2 Type Value J B 5 3 4 3 4 Tolerance Packing & Termination Finish SQP2, SQP3, E24 = 3/4 characters R = ohms SQP5, SQP7 K = kilohms SQP7S, SQP10, SQP15, SQP20 J = 5% K = 10% B5 B15 B1 Pb-free only SQP2 3600/box SQP3 3000/box SQP5 2400/box SQP7 1800/box SQP7S 2400/box SQP10 1500/box SQP15 840/box SQP20 720/box USA (IRC) Part Number: CAF31201JLF (CAF3, 1.2 kilohms 5%, Pb-free) C A F 3 1 2 1 2 Type Size CAF, CAW CAW 1 2 3 5 7 10 15 20 25 3 2 0 4 3 1 J L 5 F 6 4 6 Termination Body Shape Value Tolerance Finish Omit for standard J = 5% LF = Pb-free 3 digits + multiplier R = ohms for values K = 10% A= Alternate (2, 5, 7 & 10W only) <100 ohms 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. 5 Packing 2 3 5 7 10 15 20 3600/box 3000/box 2400/box 1800/box 1500/box 840/box 720/box BI Technologies IRC Welwyn www.ttelectronics.com/resistors (c) TT Electronics plc 09.18