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SP20F Datasheet(PDF) 2 Page - TT Electronics. |
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SP20F Datasheet(HTML) 2 Page - TT Electronics. |
2 / 3 page General-Purpose Failsafe Moulded Wirewound Resistors SP20/SP20F Series Performance Data Test F 0 2 P S 0 2 P S * 0 0 8 ± R 1 < 0 0 8 ± R 1 < C ° / m p p ) m p p ( t n e i c if f e o c e r u t a r e p m e T ≥1R ±150 ≥1R ±150 V 0 0 7 S M R e g a tl o v g n i d n a t s h ti w c ir t c e l e i D 5 % d a o lr e v o y r a t n e m o M 5 % n o it a r e p o e r u t a r e p m e t w o L 5 % e l c y c e r u t a r e p m e T 5 % y ti d i m u H 5 % e fi l d a o L 5 % h t g n e r t s l a n i m r e T 5 % t a e h r e d l o s o t e c n a t s i s e R General-Purpose Failsafe Moulded Wirewound Resistors SP20/SP20F 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 96 Issue B · 03.02 Welwyn Components Ambient Temperature (°C) 2.5 2.0 1.5 1.0 0.5 0 0 50 100 150 200 Ambient Temperature (°C) SP20 Power Derating SP20F Power Derating Time (seconds) 0.1 ohm 1 ohm 10 ohm 100 ohm 1000 ohm Power Input (watts) SP20F Typical Fusing SP20 and SP20F Temperature Rise *0.1 ohm SP20F <1000 ppm. Ordering Procedure Example: SP20F at 470 ohms and 5% tolerance tape packed on a reel of 4000 pieces – SP20F – 470R J I Type Value (use IEC62 code) Tolerance (use IEC62 code) J 5% K 10% Packing I Tape 4000/reel Standard • 4222 South Staples Street • Corpus Christi Texas 78411 USA Wire and Film Technologies Division Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com Sample Part No. IRC Type Resistance Range Recognition (First three significant figures plus fourth digit multiplier) UL = UL1412 recognised (optional characters) Example: 2203 = 220 Kohm 51R0 = 51 ohm 2R00 = 2.0 ohm Tolerance F = ±1.0%, G = ±2.0%, J = ±5.0% RoHS Compliant (optional) Provides clear "Lead Free" Designation Specification Custom design identifier for non-standard products Ordering Data SP20F SP-20 Power Derating Curve 2.0 2.5 1.5 1.0 0.5 0 Ambient Temperature (°C) 0 50 100 150 200 SP-20F Power Derating Curve 2.0 2.5 1.5 1.0 0.5 0 Ambient Temperature (°C) 0 50 100 150 200 SP-20 and SP20F Temperature Rise Chart 100 120 80 60 40 20 Power Input (watts) 0 0.5 1.0 1.5 2.0 0 1800 J LF XXX SP20 / SP20F Series General Purpose Failsafe Molded Wirewound Resistor SP20/SP20F Series Issue September 2010 Sheet 3 of 3 0.1 1 10 100 1000 10 15 20 25 30 35 40 45 50 55 60 Initial Power (W) SP20F Fusing Characteristic (Maximum & Typical Fusing Times) Typical - 1R0 Maximum - all values Typical - 470R Make Possible 07.14 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 www.ttelectronicsresistors.com |
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