SQP_18 TTELEC | Alldatasheet
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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 Electrical Data Physical Data SQP2 / CA-2 SQP3 / CA-3 SQP5 / CA-5 SQP7 / CA-7 SQP7S SQP10 / CA-10 SQP15 / CA-15 SQP20 / CA-20 CAW25 Power rating at 70°C 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 Dimensions (mm) and weight (g) 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 No Limiting Element Voltage applies to this series; the Rated Voltage is √(P .R). Alternate body shape (CAW-A / CAF-A) Resistors 09.14 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. © TT Electronics plc http://www.ttelectronics.com/resistors BI Technologies IRC Welwyn All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
Ceramic Case Resistors – Wirewound / Metal Oxide SQP / CAF / CAW Series The resistor will not burn or emit incandescent particles under any condition of applied temperature or overload. Ceramic Case Resisters – Wirewound / Metal Oxide SQP Series © 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 · 07.06 Welwyn Components Maximum Load at rated power (1000hrs at 70˚C) ≤100K: 5% +0.05/uni03A9, >100K: 10%%R hparG eeSC˚07 ta rewop detar morf gnitareD Short term overload (6.25xPr for 5s) 50.0+ %2%R Damp heat steady state (56 days, 40˚C, 90% RH) 50.0+ %2%R Temperature rapid change 50.0+ %2%R Resistance to solder heat 50.0+ %1%R Pulse handling Data available by request 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 termination s meet the requirements of IEC 115-1 Clause 4.17.3.2 Strength The termination s meet the requirements of IEC 86.2.21 Marking Type reference, resistance value and tolerance are legend marked onto the upper surface. Flammability Solvent resistance The body protection and marking are resistant to all normal industrial solvents suitable for printed circuits. Performance Data P 100% 50% -30 70 155 275 T˚C 07.08 Resistors 09.14 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. © TT Electronics plc http://www.ttelectronics.com/resistors BI Technologies IRC Welwyn
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 K 2 J B 5 1 2 3 4 USA (IRC) Part Number: CAF31201JLF (CAF3, 1.2 kilohms ±5%, Pb-free) C A F 3 1 2 0 1 J L F 1 2 3 4 5 6 1 2 3 4 Type Value Tolerance Packing & Termination Finish SQP2, SQP3, SQP5, SQP7 SQP7S, SQP10, SQP15, SQP20 E24 = 3/4 characters R = ohms K = kilohms J = ±5% Pb-free only K = ±10% SQP2 3600/box SQP3 3000/box SQP5 2400/box B15 SQP7 1800/box SQP7S 2400/box SQP10 1500/box B1 SQP15 840/box SQP20 720/box 1 2 3 4 5 6 Type Size Body Shape Value Tolerance Termination Finish Packing CAF, CAW
2 Omit for standard 3 digits + multiplier
R = ohms for values <100 ohms J = ±5% LF = Pb-free 2 3600/box
3 A= Alternate
(2, 5, 7 & 10W only) K = ±10% 3 3000/box 5 5 2400/box 7 7 1800/box 10 10 1500/box 15 15 840/box 20 20 720/box CAW 25 Ceramic Case Resistors – Wirewound / Metal Oxide SQP / CAF / CAW Series 09.14 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. © TT Electronics plc http://www.ttelectronics.com/resistors BI Technologies IRC Welwyn