VNC VISHAY | Alldatasheet

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www.vishay.com Vishay MCB Revision: 08-Aug-16 1 Document Number: 32504 For technical questions, contact: mcbfixedresistors@vishay.com 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 Vitreous Wirewound Power Resistors

FEATURES

  • High dissipation
  • Embedded collars
  • Insulated mounting
  • Applicable standard: NFC 93214
  • Material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 Note
  • Resistance maximum value: normal limits for wire with diameter of: 63 μ/38 μ minimum. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL POWER RATING W RESISTANCE RANGE TOLERANCE ± % ULIM. V VNC 30 x 250 320 4.7 to 470K 5 3000 VNC 30 x 153 200 3.3 to 330K 5 1700 VNC 25 x 168 180 2.7 to 270K 5 1900 VNC 25 x 138 145 2.7 to 220K 5 1400 VNC 25 x 110 120 2.7 to 220K 5 1000 VNC 25 x 84 85 2.2 to 150K 5 650 VNC 20 x 265 230 3.9 to 390K 5 3000 VNC 20 x 165 140 2.7 to 270K 5 1700 VNC 20 x 140 120 2.2 to 220K 5 1400 VNC 20 x 117 90 1.8 to 220K 5 1100 VNC 20 x 102 85 1.2 to 180K 5 950 VNC 20 x 90 70 1.0 to 120K 5 900 VNC 16 x 94 55 2.2 to 68K 5 900 VNC 16 x 70 45 2.2 to 100K 5 650 VNC 13 x 70 35 1.8 to 56K 5 650 VNC 12 x 102 50 1.5 to 100K 5 950 VNC 12 x 76 40 1.0 to 82K 5 700 VNC 12 x 51 25 1.0 to 56K 5 450 VNC 12 x 38 18 1.0 to 33K 5 350 VNC 10 x 52 22 1.0 to 39K 5 450 VNC 10 x 44 18 1.0 to 33K 5 400 VNC 8 x 45 15 1.0 to 27K 5 400 NFC 93214 CHARACTERISTICS GLOBAL MODEL Pn W RESISTANCE RANGE VN 30 x 153 (RB 37) 113 3.3 to 27K/82K VN 20 x 102 (RB 35) 55 1.2 to 12K/39K VN 12 x 76 (RB 33) 26 1.0 to 5.6K/18K VN 12 x 51 22 - VN 12 x 38 (RB 31) 14 1.0 to 2K/6.2K VN 10 x 44 10 - TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS Temperature coefficient ppm/°C 75 ppm/°C (typical) Operating temperature range °C -55 to +450

www.vishay.com Vishay MCB Revision: 08-Aug-16 2 Document Number: 32504 For technical questions, contact: mcbfixedresistors@vishay.com 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 GENERAL CHARACTERISTICS Core Ceramic Winding NiCr alloy Coating Vitreous enamel Ohmic values E12 Insulated mounting (PS) On request DIMENSIONS in millimeters AND WEIGHT in g TYPE 30 x 250 30 x 153 25 x 168 25 x 138 25 x 110 25 x 84 20 x 265 20 x 165 20 x 140 20 x 117 20 x 102 A 250 ± 2 152.5 ± 1.5 168 ± 2 138 ± 2 110 ± 2 84 ± 2 265 ± 2 163 ± 2 140 ± 2 117 ± 2 101.5 ± 1.5 D m a x . 3 33 32 82 82 82 82 32 32 32 32 3 J m a x . 3 13 12 82 82 82 82 42 42 42 42 4 Mass 300 200 180 130 100 70 220 135 115 80 70 TYPE 20 x 90 16 x 94 16 x 70 13 x 70 12 x 102 12 x 76 12 x 51 12 x 38 10 x 52 10 x 44 8 x 45 D m a x . 2 31 91 91 61 51 51 51 51 31 31 1 J m a x . 2 42 22 22 01 91 91 91 91 81 81 7 Mass 70 35 25 22 27 20 15 10 12 10 8 SPECIFIC NON-INDUCTIVE “A” VNC MODEL CHARACTERISTICS TYPE 30 x 250A 30 x 153A 25 x 168A 25 x 138A 25 x 110A 25 x 84A 20 x 265A 20 x 165A 20 x 140A 20 x 117A 20 x 102A R Rmax. 1.2 k 680  820  560  470  330  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 R Rmax. 330  330  270  270  470  270  150  100  150  120  120  J A 1.6 mini 9 ± 1 Ø 3.2 +0.2 +0.5 0 +0.3 -0.1 +0.3 -0.2 6.35 0.7 d D b

www.vishay.com Vishay MCB Revision: 08-Aug-16 3 Document Number: 32504 For technical questions, contact: mcbfixedresistors@vishay.com 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 Note (1) The higher of either value. DISSIPATION Power PW as a Function of Surface Temperature P(W) = f (Temperature Surface) Derating in Power as a Function of Ambient Temperature OVERLOADS Intermittent Overloads Exceptional Operation Initial Temperature < 70 °C k x Pn = f(t) PERMISSIBLE ENERGY Repetitive Operation Energy as a Function of Rn Pulse Duration < 100 ms E = f(R) PERFORMANCES TESTS CONDITIONS NFC 93214 REQUIREMENTS TYPICAL VALUES Overloads 10 P n (temp. nom.), 5 s 3 % or 0.05  (1) 0.4 % Climatic -55 °C, 5 cycles , +200 °C 3 % or 0.05  (1) Collar insulated > 102 M 0.2 % Damp heat 56 days 95 % HR 2 % or 0.05  (1) 0.1 % Thermal shocks P n -55 °C 2 % or 0.05  (1) 0.2 % Shocks Severity 50 A 0.5 % or 0.05  (1) 0.25 % Vibrations Severity 55/10 0.5 % or 0.05  (1) 0.25 % Strength of terminals 40 N collar 1 % or 0.05  (1) 0.1 % Endurance 500 cycles Pn 90 min / 30 min 5 % 1 % 100 1000 10000 100 0 50 100 150 200 250 300 350 400 450 500 Axis Title 1st line 2nd line 1st line PW (%) θ(°C) Pn (NFC 93214) P θamb = 25 °C P( V ishay MCB) θn 100 1000 10000 100 0 50 100 150 200 250 300 350 400 450 500 Axis Title 1st line 2nd line 1st line PW (%) θamb (°C) NFC 93214 Vishay MCB 100 1000 10000 0.1 1 10 100 1000 Axis Title 1st line 2nd line 1st line kPn t (s) 100 1000 10000 250 500 1 10 100 1K 10K 100K 1M Axis Title 1st line 2nd line 1st line E (J) R (Ω) 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

www.vishay.com Vishay MCB Revision: 08-Aug-16 4 Document Number: 32504 For technical questions, contact: mcbfixedresistors@vishay.com 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 OPTIONS (Consult us) - Other values than E12 series - Intermediate terminals

ORDERING INFORMATION

VNC 30 x 250 A 10K ± 5 % XXX BO4 MODEL STYLE NON-INDUCTIVE WINDING RESISTANCE VALUE TOLERANCE CUSTOM DESIGN PACKAGING Optional ± 5 % ± 10 % Other on request Optional On request: special value, tolerance, terminals, etc. GLOBAL PART NUMBER INFORMATION V N C20265A47R0JB247 1 2 345 6 7 123 4 56 7 PRODUCT TYPE SIZE OPTION (if applicable) RESISTANCE VALUE TOLERANCE PACKAGING INDUSTRIALIZATION NUMBER VNC 08044 10044 10052 12038 12051 12076 12102 13070 16070 16094 20090 20102 20117 20140 20165 20265 25084 25110 25138 25168 30153 30250 42362 A = non-inductive winding The first three digits are significant figures and the last specifies the number of zeros to follow, R designates decimal point. 4702 = 47 k 47R0 = 47  J = 5 % K = 10 % B = box Box quantity depends of model and size 3 specific digits (if applicable) EXAMPLES MODEL DESCRIPTION PART NUMBER VNC VNC 30X250 A 500U 5 % 999 BO4 VNC30250A5000JB999 VNC VNC 25X168 100U 5 % BO5 VNC251681000JB

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