VR37 www.vishay.com Vishay BCcomponents High Ohmic/High Voltage Metal Glaze Leaded Resistors FEATURES • Technology: Metal glaze • Rmax. = 33 M; Umax. = 3500 VDC • These resistors meet the safety requirements of: UL1676 (510 k to 11 M); File No: E171160 IEC 60065, clause 14.1.a) DIN EN 60065, clause 14.1.a) VDE 0860, clause 14.1.a) CQC, China • High pulse loading capability (10 kV) • Small size (0309) A metal glazed film is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned electrolytic copper wires are welded to the end-caps. The resistors are coated with a light blue lacquer which provides electrical, mechanical, and climatic protection. • Pure tin plating provides compatibility with lead (Pb)-free and lead containing soldering processes • Compliant to RoHS Directive 2002/95/EC APPLICATIONS • Where high resistance, high stability and high reliability at high voltage are required The encapsulation is resistant to all cleaning solvents in accordance with IEC 60068-2-45. • Safety component in combination with high voltage • White goods • High humidity environment • Power supplies TECHNICAL SPECIFICATIONS DESCRIPTION UNIT VR37 Resistance Range (1) 100K to 33M Resistance Tolerance % ± 1; ± 5 ± 1 %: E24/E96 series; ± 5 %: E24 series Resistance Series Rated Dissipation, P70 W 0.5 Thermal Resistance (Rth) K/W 120 Temperature Coefficient ppm/K ± 200 Maximum Permissible Voltage Umax.: DC 3500 V RMS Dielectric Withstanding Voltage of the Insulation for 1 Min 2500 V 700 Basic Specifications IEC 60115-1 Safety Requirements UL1676 (510 k to 11 M); DIN EN 60065, IEC 60065 clause 14.1.a); VDE 0860, clause 14.1.a), CQC Climatic Category (IEC 60068-1) 55/155/56 Max. Resistance Change for Resistance Range, R max., after: Load (1000 h, P70) ± (1.5 % R + 0.1 ) Long Term Damp Heat Test (56 Days) ± (1.5 % R + 0.1 ) ± (1.5 % R + 0.1 ) Soldering (10 s, 260 °C) Noise μV/V max. 2.5 Note (1) Ohmic values (other than resistance range) are available on request Revision: 17-Aug-11 1 Document Number: 28733 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 VR37 www.vishay.com Vishay BCcomponents PART NUMBER PART NUMBER: VR37000001503JA100 V R 3 7 0 0 0 0 0 1 5 0 3 J A 1 0 0 MODEL/SIZE VARIANT TCR/MATERIAL VALUE TOLERANCE PACKAGING (1) SPECIAL VR37000 0 = Neutral Z = Value overflow (special) 0 = Standard 3 digit value 1 digit multiplier MULTIPLIER 3 = *103 4 = *104 5 = *105 F=±1% J=±5% A1 R5 The 2 digits are used for all special parts. 00 = Standard PRODUCT DESCRIPTION: VR37 5 % A1 150K VR37 5% A1 150K MODEL/SIZE TOLERANCE PACKAGING (1) RESISTANCE VALUE VR37 ±1% ±5% A1 R5 150K = 150 k 8M2 = 8.2 M Notes • The PART NUMBER is shown to facilitate the introduction of a unified part numbering system for ordering products (1) Please refer to table PACKAGING PACKAGING AMMOPACK MODEL REEL TAPING VR37 Axial, 52 mm PIECES CODE PIECES CODE 1000 A1 5000 R5 DIMENSIONS L1 Ød ØD L2 Outline DIMENSIONS - Resistor type and relevant physical dimensions TYPE Ø Dmax. L1 max. L2 max. Ød VR37 4.0 9.0 10.0 0.7 ± 0.03 MARKING MASS PER UNIT TYPE MASS (mg) VR37 457 Revision: 17-Aug-11 The nominal resistance and tolerance are marked on the resistor using four or five colored bands in accordance with IEC 60062, marking codes for resistors and capacitors. Yellow and grey are used instead of gold and silver because metal particles in the lacquer could affect high-voltage properties. 2 Document Number: 28733 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 VR37 www.vishay.com Vishay BCcomponents OUTLINES The length of the body (L1) is measured by inserting the leads into holes of two identical gauge plates and moving these plates parallel to each other until the resistor body is clamped without deformation (IEC 60294). FUNCTIONAL PERFORMANCE PRODUCT CHARACTERIZATION Standard values of nominal resistance are taken from the E96/E24/E12 series for resistors with a tolerance of ± 1 %, or 5 %. The values of the E96/E24 series are in accordance with IEC 60063. LIMITING VALUES LIMITING VOLTAGE (1) Umax. TYPE VR37 LIMITING POWER P70 (W) DC RMS 3500 2500 0.5 Notes • The maximum permissible hot-spot temperature is 155 °C (1) The maximum voltage that may be continuously applied to the resistor element, see IEC 60115-1 DERATING PULSE LOADING CAPABILITY The power that the resistor can dissipate depends on the operating temperature. 20 ^ Umax. (kV) Pmax. (% Prated) 100 10 8 50 6 0 - 55 0 50 70 100 4 10- 2 155 Tamb(°C) 1 10 Rn (MΩ) 102 Maximum allowed peak pulse voltage in accordance with IEC 60065, 14.1.a); 50 discharges from a 1 nF capacitor charged to Ûmax.; 12 discharges/min (drift R/R 2 %) Maximum dissipation (Pmax.) in percentage of rated power as a function of the ambient temperature (Tamb) Revision: 17-Aug-11 10- 1 3 Document Number: 28733 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 VR37 www.vishay.com Vishay BCcomponents APPLICATION INFORMATION 50 80 ∆T (K) ΔT (K) 5 mm 40 60 10 mm 30 15 mm 40 20 20 10 0 0 0.4 0.8 P (W) 0 1.2 Hot-spot temperature rise (T) as a function of dissipated power 0 0.4 0.8 1.2 P (W) Temperature rise (T) at the lead end (soldering point) as a function of dissipated power at various lead lengths after mounting TESTS AND REQUIREMENTS Essentially all tests are carried out in accordance with IEC 60115-1 specification, category LCT/UCT/56 (rated temperature range: Lower Category Temperature, Upper Category Temperature; damp heat, long term, 56 days). In the Test Procedures and Requirements table the tests and requirements are listed with reference to the relevant clauses of IEC 60115-1 and IEC 60068-2-xx test methods. A short description of the test procedure is also given. In some instances deviations from the IEC recommendations were necessary for our method of specifying. The tests are carried out in accordance with IEC 60068-2-xx. Test method under standard atmospheric conditions according to IEC 60068-1, 5.3. All soldering tests are performed with mildly activated flux. TEST PROCEDURES AND REQUIREMENTS IEC 60115-1 CLAUSE IEC 60068-2TEST METHOD 4.16 TEST PROCEDURE REQUIREMENTS Robustness of terminations: 4.16.2 21 (Ua1) Tensile all samples Ø 0.7 mm; load 10 N; 10 s Number of failures < 10 x 10-6 4.16.3 21 (Ub) Bending half number of samples Ø 0.7 mm; load 5 N; 4 x 90° Number of failures < 10 x 10-6 4.16.4 21 (Uc) Torsion other half of samples 3 x 360° in opposite directions No damage R max.: ± (0.5 % R + 0.05 ) 4.17 20 (Ta) Solderability 2 s; 235 °C: Solder bath method; SnPb40 3 s; 245 °C: Solder bath method; SnAg3Cu0.5 Good tinning ( 95 % covered); no damage Solderability (after aging) 8 h steam or 16 h 155 °C; leads immersed 6 mm; for 2 s at 235 °C; solder bath (SnPb40) for 3 s at 245 °C; solder bath (SnAg3Cu0.5) method Good tinning (95 % covered); no damage 4.18 20 (Tb) Resistance to soldering heat Thermal shock: 10 s; 260 °C; 3 mm from body R max.: ± (0.5 % R + 0.05 ) 4.19 14 (Na) Rapid change of temperature 30 min at - 55 °C and 30 min at + 155 °C; 5 cycles R max.: ± (0.5 % R + 0.05 ) 4.20 29 (Eb) Bump 3 x 1500 bumps in 3 directions; 40 g No damage R max.: ± (0.5 % R + 0.05 ) Revision: 17-Aug-11 4 Document Number: 28733 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 VR37 www.vishay.com Vishay BCcomponents TEST PROCEDURES AND REQUIREMENTS IEC 60115-1 CLAUSE 4.22 IEC 60068-2TEST METHOD TEST PROCEDURE REQUIREMENTS 6 (Fc) Vibration Frequency 10 Hz to 500 Hz; displacement 1.5 mm or acceleration 10 g; 3 directions; total 6 h (3 x 2 h) No damage R max.: ± (0.5 % R + 0.05 ) 4.23 Climatic sequence: 4.23.2 2 (Ba) Dry heat 16 h; 155 °C 4.23.3 30 (Db) Damp heat (accelerated) 1st cycle 24 h; 55 °C; 90 % to 100 % RH 4.23.4 1 (Aa) Cold 2 h; - 55 °C 4.23.5 13 (M) Low air pressure 2 h; 8.5 kPa; 15 °C to 35 °C 4.23.6 30 (Db) Damp heat (accelerated) remaining cycles 5 days; 55 °C; 95 % to 100 % RH Rins min.: 103 M R max.: ± (1.5 % R + 0.1 ) 4.24 78 (Cab) Damp heat (steady state) 56 days; 40 °C; 90 % to 95 % RH; dissipation 0.01 P70; limiting voltage U = 100 VDC R max.: ± (1.5 % R + 0.1 ) Endurance 1000 h at 70 °C; P70 or Umax. R max.: ± (1.5 % R + 0.1 ) Temperature coefficient Between - 55 °C and + 155 °C ± 200 ppm/K 4.7 Voltage proof on insulation URMS = 700 V during 1 min; V-block method No breakdown 4.12 Noise IEC 60195 Max. 2.5 μV/V Insulation resistance U = 500 VDC during 1 min; V-block method Rins min.: 104 M Short time overload Room temperature; dissipation 6.25 x P70 (voltage not more than 2 x limiting voltage); 10 cycles; 5 s ON and 45 s OFF R max.: ± (2.0 % R + 0.05 ) 4.25.1 4.8 4.6.1.1 4.13 12NC INFORMATION FOR HISTORICAL CODING REFERENCE • The resistors have a 12-digit numeric code starting with 2322 242 Last Digit of 12NC Indicating Resistance Decade • The subsequent: First digit for 1 % tolerance products (E24 and E96 series) or 2 digits for 5 % (E24 series) indicate the resistor type and packing. RESISTANCE DECADE LAST DIGIT 100 k to 976 k 4 1 M to 9.76 M 5 10 M 6 • The remaining digits indicate the resistance value: 12NC Example - The first 3 digits for 1 % or 2 digits for 5 % tolerance products indicate the resistance value. The 12NC for a VR37, resistor value 7.5 M, 5 % tolerance, supplied on a bandolier of 1000 units in ammopack, is: 2322 242 13755. - The last digit indicates the resistance decade. 12NC - Resistor type and packaging 2322 242 ..... TYPE VR37 Revision: 17-Aug-11 TAPE WIDTH (mm) 52 TOL. (%) BANDOLIER IN AMMOPACK BANDOLIER ON REEL 1000 UNITS 5000 UNITS ±1 8.... 6.... ±5 13... 23... 5 Document Number: 28733 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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