Quick Reference Guide

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1 WIREWOUND TECHNOOGY MODED RESISTORS mm NO. W Ω % C ppm/ C I H MSP 1B 0.04 Ω 2.2 kω 1 W ± 0.1 % ± ± 50 MSP 2B 2 W 0.04 Ω 4.7 kω C ± 100 MSP 3B 2.5 W 0.04 Ω 13 kω THICK FIM TECHNOOGY TO 220 CASE RTO RTO NO. W Ω % C ppm/ C mm 20 W 50 W Ω 1 MΩ C 0.5 ± x 15 x x 15 x 4.5 FOR MOUNTING ONTO A HEATSINK 5 W TO 50 W RCH x 9 x 15 5 W RCH W R > 1 Ω 19 x 11 x Ω 1 MΩ + 1 RCH W ± x 14 x 15 R < 1 Ω RCH W 47.8 x 15.5 x 15 RPH Ω 1MΩ + 1 ± 300 < 1Ω > 1Ω 65.5 x 46.7 x For technical questions, contact: sfer@vishay.com Document Number: Revision: 21-Feb-07

2 WIRETHICK FIM TECHNOOGY (CONTD) SOT 227 B CASE - 20 W TO 200 W AT PER RESISTOR EECTRICA DIAGRAMS NO. W Ω % C ppm/ C mm RTOP 200 RTOP W Ω 1 MΩ R DRTOP 100 DRTOP W Ω 1 MΩ R R2 R1 + 1 ± 300 R < 1Ω R > 1Ω 38 x 25 x 10 TRTOP W R2 R3 TRTOP 30 QRTOP W 35 W Ω 1 MΩ R1 R2 R4 R3 QRTOP W R1 R4 HIGH FOR MOUNTING ONTO A HEATSINK W AND 500 W RPS 250D RPS 500D NO. W Ω % C ppm/ C mm 70 C 250 W 70 C 500 W 0.24 Ω 1 MΩ + 1 ± 300 < 1 Ω > 1 Ω 73 x 60 x 24.5 Document Number: For technical questions, contact: sfer@vishay.com Revision: 21-Feb-07 2

3 MEDIUM DISSIPATION WIREWOUND RESISTORS SFERNICE CECC ** With surface temperature 450 C ANCE TEMPER- ATURE For technical questions, contact: sfer@vishay.com Document Number: Revision: 21-Feb-07 Ø NF BS NO. W Ω % C ppm/ C mm mm ENAMEED- (E24) RWM 4 x 10 RWM 4 x 22 RWM 5 x 26 RWM 6 x 22 RWM 8 x 26 RWM 6 x 34 RWM 8 x 34 RWM 8 x JB 3 W * * 5.5 W 0.1 Ω 10 kω HB 5 W 7 W 0.1 Ω 16 kω W 10 W 0.1 Ω 27 kω KB 7 W 10 W 0.1 Ω 39 kω standard - 8 W 10 W 0.1 Ω 27 kω C B 8 W 12 W 0.33 Ω 36 kω on - 11 W 14 W 0.33 Ω 36 kω request MB 11 W 20 W 0.47 Ω 62 kω RWM 10 x W 25 W 0.47 Ω 62 kω RWM10 x W 25 W 0.68 Ω 100 kω RWM 10 x W 30 W 0.68 Ω 100 kω MODED-INSUATED-PRECISION (E24-E48-E96) RP 1 RP 2 RP 3 RP 6 RP 10 RP 8 1 W 0.05 Ω 2.2 kω RP 7 2 W Ω 6.8 kω ± 0.1 % ± 20 RP W 0.01 Ω 15 kω C ± 50 6 W 0.02 Ω 59 kω W 0.06 Ω 150 kω MODED-INSUATED-PRECISION (E24-E48-E96) 58 BSI 63 BSI 68 BSI 516 BSI 523 BSI 923 BSI 932 BSI 947 BSI - 1 W 0.1 Ω 2 kω W Ω 4 kω W 0.01 Ω 15 kω W 0.01 Ω 20 kω ± 0.5 % ± W Ω 40 kω C ± W 0.02 Ω 60 kω W Ω 100 kω W 0.06 Ω 150 kω 9 47

4 MEDIUM DISSIPATION WIREWOUND RESISTORS (CONTD) MODED-PRECISION (E24-E48-E96) RMB RMB W 0.1 Ω 6.81 kω ± 0.1 % RMB ± W Ω 13 kω C ± 50 RMBS 0.5 RP W 0.1 Ω 2 kω C RMBS spare parts 0.75 W 0.1 Ω 2 kω RMBS 1 RP 2-1 W 0.1 Ω 6.81 kω RMBS 2 RP 3-2 W Ω 13 kω CEMENTED 40 C SG Ω 3.3 kω W C SG 4 4 W 0.1 Ω 3.9 kω Undergoes European Quality Insurance System (CECC) HIGH DISSIPATION WIREWOUND RESISTORS SFERNICE CECC CONFORMITY ANCES Ø NO. W Ω % C ppm/ C mm mm RW Model VITREOUS EXTERNA RINGS OR COARS (E12) RW 8 x W 1 Ω 10 kω RW 10 x W 1 Ω 27 kω RW 13 x W 2.2 Ω 56 kω C RW 16 x W 2.2 Ω 56 kω RW 20 x W 2.7 Ω 68 kω RWST Model CS Collars VITREOUS EXTERNA COARS EECTRICA TRACTION (E12) RWST 25 x W 2.7 Ω 82 kω RWST 25 x x W 2.7 Ω 100 kω RWST 30 x x W 4.7 Ω 220 kω C RWST 40 x W 8.2 Ω 360 kω RWST 50 x W 12 Ω 430 kω Document Number: For technical questions, contact: sfer@vishay.com Revision: 21-Feb-07 4

5 MEDIUM DISSIPATION WIREWOUND RESISTORS (CONTD) RA Model B Collars VITREOUS ADJUSTABE (E6) RA 13 x 70 A W 33 Ω 3.9 kω RA 16 x W 68 Ω 3.9 kω RA 20 x 117 A W 100 Ω 4.7 kω C RA 25 x W 150 Ω 6.8 kω RA 25 x 168 A W 220 Ω 10 kω RA 30 x W 330 Ω 22 kω VITREOUS UNDUATED WIREWOUND (E12) RSO 25 x Ω 12 Ω W RSO 25 x W 0.1 Ω 18 Ω RSO 30 x W 0.22 Ω 33 Ω C RSO 40 x W 0.33 Ω 56 Ω RSO 50 x W 0.39 Ω 68 Ω FIXED OR ADJUSTABE SEMI-VITREOUS (E12) RSSD 8 x W 0.12 Ω 10 Ω RSSD 10 x W 0.12 Ω 22 Ω RSSD 13 x W 0.12 Ω 43 Ω RSSD 16 x W 0.33 Ω 75 Ω RSSD 20 x Ω 100 Ω ± C RSSD 25 x W 0.1 Ω 150 Ω ± 20 % RSSD 25 x W 0.12 Ω 220 Ω RSSD 30 x W 0.22 Ω 360 Ω RSSD 40 x W 0.47 Ω 470 Ω RSSD 50 x W 0.68 Ω 560 Ω HEATSINK ENCASED-PRECISION (E24-E48-E96) * Undergoes European Quality Insurance System (CECC) * Chassis mounted ANCES TEMPER ATURE H SFERNICE CECC NO. W Ω % C ppm/ C mm mm RH 5 RE Ω 12 kω ± 0.1 % RH 10 RE W Ω 20 kω ± C RH 25 RE 2 25 W Ω 62 kω RH 50 RE 3 50 W Ω 130 kω For technical questions, contact: sfer@vishay.com Document Number: Revision: 21-Feb-07

6 MEDIUM DISSIPATION WIREWOUND RESISTORS (CONTD) HEATSINK INDUSTRIA APPICATIONS * Chassis mounted MOUNTING DEVICES See data sheets 2E, SAT and C-SC PC * ANCES Ø NO. W % C ppm/ C mm mm SH Ω 3.3 kω W SH W 0.1 Ω 15 kω ± C R > 5 SH W 0.1 Ω 33 kω SH W SAT 1 SC C PC SAT 2 WIREWOUND RHEOSTATS VITREOUS - RT... (RT E6 RTE) Special features, secrial winding, ganging TEMPE SFERNICE CCTU NO. W Ω % C RT 12/RTE 12 PA W 1 Ω 2.2 kω/4.7 kω RT 25/RTE 25 PA W 1 Ω 4.7 kω/13.5 kω RT 55/RTE 55 PA W 1 Ω 10 kω/28 kω RT 100/RTE 100 PA Ω 15 kω/54 kω RT 230 /RTE 230 PA W 1 Ω 22 kω/95 kω RT W 1 Ω 22 kω/95 kω 1 Ω 33 kω RT C RTE C Document Number: For technical questions, contact: sfer@vishay.com Revision: 21-Feb-07 6