VNC www.vishay.com Vishay MCB Vitreous Wirewound Power Resistors FEATURES • High dissipation • Embedded collars • Insulated mounting • Applicable standard: NFC 93214 • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL VNC 30 x 250 VNC 30 x 153 VNC 25 x 168 VNC 25 x 138 VNC 25 x 110 VNC 25 x 84 VNC 20 x 265 VNC 20 x 165 VNC 20 x 140 VNC 20 x 117 VNC 20 x 102 VNC 20 x 90 VNC 16 x 94 VNC 16 x 70 VNC 13 x 70 VNC 12 x 102 VNC 12 x 76 VNC 12 x 51 VNC 12 x 38 VNC 10 x 52 VNC 10 x 44 VNC 8 x 45 POWER RATING W 320 200 180 145 120 85 230 140 120 90 85 70 55 45 35 50 40 25 18 22 18 15 RESISTANCE RANGE 4.7 to 470K 3.3 to 330K 2.7 to 270K 2.7 to 220K 2.7 to 220K 2.2 to 150K 3.9 to 390K 2.7 to 270K 2.2 to 220K 1.8 to 220K 1.2 to 180K 1.0 to 120K 2.2 to 68K 2.2 to 100K 1.8 to 56K 1.5 to 100K 1.0 to 82K 1.0 to 56K 1.0 to 33K 1.0 to 39K 1.0 to 33K 1.0 to 27K TOLERANCE ±% 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ULIM. V 3000 1700 1900 1400 1000 650 3000 1700 1400 1100 950 900 900 650 650 950 700 450 350 450 400 400 NFC 93214 CHARACTERISTICS Pn W 113 55 26 22 14 10 GLOBAL MODEL VN 30 x 153 (RB 37) VN 20 x 102 (RB 35) VN 12 x 76 (RB 33) VN 12 x 51 VN 12 x 38 (RB 31) VN 10 x 44 RESISTANCE RANGE 3.3 to 27K/82K 1.2 to 12K/39K 1.0 to 5.6K/18K 1.0 to 2K/6.2K - Note • Resistance maximum value: normal limits for wire with diameter of: 63 μ/38 μ minimum. TECHNICAL SPECIFICATIONS PARAMETER Temperature coefficient Operating temperature range Revision: 09-Sep-14 UNIT ppm/°C °C RESISTOR CHARACTERISTICS 75 ppm/°C (typical) -55 to +450 Document Number: 32504 1 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VNC www.vishay.com Vishay MCB GENERAL CHARACTERISTICS Core Winding Coating Ohmic values Insulated mounting (PS) Ceramic NiCr alloy Vitreous enamel E12 On request DIMENSIONS in millimeters AND WEIGHT in g +0.3 4 -0.2 Ø 3.2 +0.5 0 0.7 +0.2 0 +0.3 -0.1 b J 9±1 1.6 mini 6.35 d D A TYPE A b max. D max. d J max. Mass TYPE A b max. D max. d J max. Mass 30 x 250 30 x 153 250 ± 2 152.5 ± 1.5 18.3 18.3 33 33 20 ± 0.4 20 ± 0.4 31 31 300 200 20 x 90 16 x 94 88 ± 1.5 94 ± 2 13.2 11.2 23 19 12 ± 0.5 10 ± 0.3 24 22 70 35 25 x 168 168 ± 2 15.8 28 17 ± 0.35 28 180 16 x 70 70 ± 1.5 11.2 19 10 ± 0.3 22 25 25 x 138 138 ± 2 15.8 28 17 ± 0.35 28 130 13 x 70 70 ± 1.5 9.7 16 7 ± 0.21 20 22 25 x 110 110 ± 2 15.8 28 17 ± 0.35 28 100 12 x 102 100 ± 2 9.2 15 7 ± 0.21 19 27 25 x 84 84 ± 2 15.8 28 17 ± 0.35 28 70 12 x 76 76 ± 1.5 9.2 15 7 ± 0.21 19 20 20 x 265 265 ± 2 13.2 23 12 ± 0.5 24 220 12 x 51 50 ± 1 9.2 15 7 ± 0.21 19 15 20 x 165 163 ± 2 13.2 23 12 ± 0.5 24 135 12 x 38 38 ± 1.5 9.2 15 7 ± 0.21 19 10 20 x 140 140 ± 2 13.2 23 12 ± 0.5 24 115 10 x 52 52 ± 1 9.2 13 6 ± 0.18 18 12 20 x 117 20 x 102 117 ± 2 101.5 ± 1.5 13.2 13.2 23 23 12 ± 0.5 12 ± 0.5 24 24 80 70 10 x 44 8 x 45 44 ± 0.9 45 ± 1 8.2 7.2 13 11 6 ± 0.18 5 ± 0.15 18 17 10 8 SPECIFIC NON-INDUCTIVE “A” VNC MODEL CHARACTERISTICS TYPE Rmin. Rmax. 30 x 250A 30 x 153A 25 x 168A 25 x 138A 25 x 110A 4.7 3.3 2.7 2.7 2.7 1.2 k 680 820 560 470 25 x 84A 2.2 330 20 x 265A 20 x 165A 20 x 140A 20 x 117A 20 x 102A 3.9 2.7 2.2 1.8 1.2 1.2 k 820 560 470 390 TYPE 20 x 90A 16 x 94A 16 x 70A 13 x 70A 12 x 102A 12 x 76A 12 x 51A 12 x 38A 10 x 52A 10 x 44A 8 x 45A Rmin. Rmax. 1.0 330 2.2 330 2.2 270 1.8 270 1.5 470 1.0 270 1.0 150 1.0 100 1.0 150 1.0 120 1.0 120 PERFORMANCES TESTS Overloads Climatic Damp heat Thermal shocks Shocks Vibrations Strength of terminals Endurance CONDITIONS 10 Pn (temp. nom.), 5 s -55 °C, 5 cycles, +200 °C 56 days 95 % HR Pn -55 °C Severity 50 A Severity 55/10 40 N collar 500 cycles Pn 90 min / 30 min NFC 93214 REQUIREMENTS 3 % or 0.05 (1) 3 % or 0.05 (1) Collar insulated > 102 M 2 % or 0.05 (1) 2 % or 0.05 (1) 0.5 % or 0.05 (1) 0.5 % or 0.05 (1) 1 % or 0.05 (1) TYPICAL VALUES 5% 1% 0.4 % 0.2 % 0.1 % 0.2 % 0.25 % 0.25 % 0.1 % Note (1) The higher of either value. Revision: 09-Sep-14 Document Number: 32504 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VNC www.vishay.com Vishay MCB DISSIPATION Axis Title Axis Title 10000 10000 θamb = 25 °C P 100 100 Pn (NFC 93214) 1st line 2nd line 50 1st line PW (%) 1st line 2nd line 1st line PW (%) 1000 1000 75 Vishay MCB 50 NFC 93214 100 100 θn 25 P (Vishay MCB) 0 0 10 10 0 50 100 150 200 250 300 350 400 450 500 50 100 150 200 250 300 350 400 450 500 θ (°C) θamb (°C) Power PW as a Function of Surface Temperature P(W) = f (Temperature Surface) Derating in Power as a Function of Ambient Temperature OVERLOADS PERMISSIBLE ENERGY Axis Title Axis Title 25 10000 Curve 1: 20 x 265 Curve 2: 20 x 165 Curve 3: 20 x 140 Curve 4: 20 x 102 Curve 5: 20 x 90 Curve 6: 16 x 70 Curve 7: 12 x 102 Curve 8: 12 x 51 Curve 9: 12 x 38, Curve 9: 10 x 44, Curve 9: 8 x 45 500 20 1 10 1st line E (J) 15 1st line 2nd line 1st line kPn 1000 2 250 3 100 1000 100 4 5 6 7 5 10000 1st line 2nd line 0 8 9 0 0.1 1 10 100 0 10 1000 10 1 10 100 1K 10K 100K t (s) R (Ω) Intermittent Overloads Exceptional Operation Initial Temperature < 70 °C k x Pn = f(t) Repetitive Operation Energy as a Function of Rn Pulse Duration < 100 ms E = f(R) 1M OPTIONS (Consult us) - Other values than E12 series - Intermediate terminals PART NUMBER INFORMATION VNC 30 x 153 A 100 5% MODEL TYPE “A” FOR NON-INDUCTIVE VALUE (E12 SERIES) TOLERANCE Revision: 09-Sep-14 Document Number: 32504 3 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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