Ceramic Case ResistorsResisters Ceramic Case Resistors Welwyn Components Wirewound / Metal Oxide Wirewound / Metal Oxide SQP Series SQP Series 2 watts to 20 watts* s 2 watts to 20 watts* Resistance 0R1 to 100K s Resistance 0R1 to 100K High overload capability s High overload capability RoHS compliant s RoHS compliant Electrical Data SQP2 SQP3 SQP5 SQP7/7S SQP10 SQP15 SQP20 Pow re ing ta 70C watt 3 5 7 01 51 02 Resistance range Wirewound 0R1-50R 0R1- 0R1- 0R1-100R 0R1- 0R1- 0R1- 100R 100R (7 & 7S) 200R 200R 500R Metal Oxide 51R- 100R- 110R- 110R-47K 220R- 220R- 510R- (Ohms) 47K 47K 47K (7 Only) 68K 68K 100K Limiting element voltage volts dc or ac rms 150 300 350 500 (7S-350) 750 1000 1000 rmal im ce C/watt 05 54 03 82 32 61 31 Is loatoi n v lotage ov lts T RC pp m/C WW types, < , m 0R68, 200ppm: MO types all values 350ppm eR sist na ce Toler na ce % 5 Standard Values E24 preferred Ambient et mp ure ar nge - 55 to + C * Other styles (radial/pluggable) sizes, and 30, 40, 50 W types are available to special order. Physical Data Dimensions (mm) and weight (g) Type L max. W max. H max. f min. d (0.1) Wt. nom. SQP2 19 8 8 23 0.70 2.2 d nom 0.05 SQP3 23 9 9 27 0.70 3.5 SQP5 23 11 10 27 0.75 5.0 H SQP7 36 11 10 30 0.75 8.2 SQP7S 26 10 10 30 0.75 6.0 W SQP10 50 11 11 30 0.75 11.0 f L f SQP15 50 13.5 13.5 30 0.75 17.4 Min bend radius, all types 1.6 mm SQP20 61 15.5 14.5 30 0.75 25.0 Packaging Our standard packaging for SQP Series is bulk pack General Note General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of All information is subject to TT electronics own data and is considered accurate at time of going to print. TT electronics plc www.bitechnologies.com www.irctt.com www.welwyn-tt.com Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK 0 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue C 07.06 TT electronics plc 09. 11 70 551 C tare )J( pp0071 86R0 0001 nadep ehT 2s tarCeramic Case Resisters Resistors Ceramic Case Resistors Ceramic Case Resisters Resistors Wirewound / Metal Oxide Wirewound / Metal Oxide Welwyn Components SQP Series Wirewound / Metal Oxide SQP 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 Construction (depending on value). The element is fitted into a ceramic case with fireproof insulation cement. 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. Termination Details Solderability The terminations meet the requirements of IEC 115-1 Clause 4.17.3.2 Material The tinned copper lead wires are internally welded to the resistance element end caps. Strength The terminations meet the requirements of IEC 86.2.21 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 Performance Data Maximum Load at rated power (1000hrs at 70C) %R 5% + 5 Maximum D ing from d pow re ta 70C Graph Load at rated power (1000hrs at 70C) %R 5% + 5 Short term overload * %R 2% + 5 D ing from d pow re ta 70C Graph Damp heat steady state (56 days, 40C, 90% RH) %R 2% + 5 Short term overload * %R 2% + 5 Temperature rapid change %R 2% + 5 Damp heat steady state (56 days, 40C, 90% RH) %R 2% + 5 Resistance to solder heat %R 1% + 5 Temperature rapid change %R 2% + 5 Pulse handling Data available by request Resistance to solder heat %R 1% + 5 *(WPulse irewound:: handlingthe lower of 5x rated power, or 2.5x LEV for 5 secs. Metal Oxide:: the lower of 6.25x Data rated available powerby , ror equest2.5x LEV for 5 secs) *(Wirewound:: the lower of 5x rated power, or 2.5x LEV for 5 secs. Metal Oxide:: the lower of 6.25x rated power, or 2.5x LEV for 5 secs) P P 118% P P 100%118% 100% Wirewound types Metal Oxide types 100% 100% Wirewound types Metal Oxide types 50% 50% 50% 50% T C TC 0% 0% T C TC -30 25 70 155 240 -30 70 155 240 0% 0% -30 25 70 155 240 -30 70 155 240 Marking Marking Type reference, resistance value and tolerance are legend marked onto the upper surface. Type reference, resistance value and tolerance are legend marked onto the upper surface. Flammability Flammability The resistor will not burn or emit incandescent particles under any condition of applied temperature or The resistor will not burn or emit incandescent particles under any condition of applied temperature or overload. overload. Solvent resistance Solvent resistance The body protection and marking are resistant to all normal industrial solvents suitable for printed The body protection and marking are resistant to all normal industrial solvents suitable for printed circuits. circuits. Ordering Procedure Ordering Procedure Example: 5,000 SQP3 at 1.2 kilohms and 5% tolerance in standard bulk pack option- Example: 5,000 SQP3 at 1.2 kilohms and 5% tolerance in standard bulk pack option- B5 Model SQP3 1K2 J B10 CODE Family Qty/ Model SQP3 1K2 J B10B5 CODE Family Qty/ Carton Value (use IEC62 code) Carton Value (use IEC62 code) B5 SQP2,3,5 5000 B5 SQP2,3,5 5000 Tolerance (use IEC62 code) Tolerance (use IEC62 code) Bulk Bulk J 5% B15 Pack SQP7,10 1500 J 5% B15 Pack SQP7,10 1500 B1 SQP15,20 1000 Packing B1 SQP15,20 1000 Packing General Note TT electronics reserves the right to make changes in product specification without notice or liability. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK All information is subject to TT electronics own data and is considered accurate at time of going to print. 0 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue C 07.06 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.comwww.bitechnologies.com www.irctt.com wwwIssue .welwyn-tt.comC 007.06 TT electronics plc 71 71 09. 11 0.0 0.0 0.0 0.0 0.0 0.0 0.0 eeS etar tare 0.0 0.0 eeS etar tare 0.0