VR37 Vishay BCcomponents High Ohmic/High Voltage Metal Glaze Leaded Resistors FEATURES * 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) * Pure tin plating provides compatibility with and lead containing soldering processes lead (Pb)-free * Compliant to RoHS directive 2002/95/EC 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. The encapsulation is resistant to all cleaning solvents in accordance with IEC 60068-2-45. APPLICATIONS * Where high resistance, high stability and high reliability at high voltage are required * Safety component in combination with high voltage * White goods * High humidity environment * Power supplies TECHNICAL SPECIFICATIONS DESCRIPTION VALUE Resistance Range (1) 100 k to 33 M 1 %: E24/E96 series; 5 %: E24 series Resistance Tolerance and Series Rated Dissipation, P70 0.5 W Thermal Resistance, Rth 120 K/W Temperature Coefficient 200 ppm/K Maximum Permissible Voltage Umax.: DC 3500 V RMS 2500 V Dielectric Withstanding Voltage of the Insulation for 1 Min 700 V 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 Stability After: R max.: (1.5 % R + 0.1 ) Load (1000 h, P70) Long Term Damp Heat Test (56 Days) R max.: (1.5 % R + 0.1 ) Soldering (10 s, 260 C) R max.: (1.5 % R + 0.1 ) Noise max. 2.5 V/V Note (1) Ohmic values (other than resistance range) are available upon request www.vishay.com 202 For technical questions, contact: filmresistorsleaded@vishay.com Document Number: 28733 Revision: 12-Oct-09 VR37 High Ohmic/High Voltage Metal Glaze Leaded Resistors 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 VR37 TOLERANCE 1% 5% PACKAGING (1) A1 R5 RESISTANCE VALUE 150K = 150 k 8M2 = 8.2 M Notes (1) Please refer to table PACKAGING * The PART NUMBER is shown to facilitate the introduction of a unified part numbering system for ordering products PACKAGING AMMO PACK MODEL VR37 REEL TAPING Axial, 52 mm PIECES CODE PIECES CODE 1000 A1 5000 R5 DIMENSIONS L1 Od OD L2 Outline DIMENSIONS - resistor type and relevant physical dimensions TYPE O Dmax. L1 max. L2 max. Od VR37 4.0 9.0 10.0 0.7 0.03 MARKING MASS PER UNIT TYPE MASS (mg) VR37 457 Document Number: 28733 Revision: 12-Oct-09 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. For technical questions, contact: filmresistorsleaded@vishay.com www.vishay.com 203 VR37 Vishay BCcomponents High Ohmic/High Voltage Metal Glaze Leaded Resistors 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 (1) The maximum voltage that may be continuously applied to the resistor element, see IEC 60115-1 * The maximum permissible hot-spot temperature is 155 C 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 70 100 155 Tamb(C) Maximum dissipation (Pmax.) in percentage of rated power as a function of the ambient temperature (Tamb) Derating www.vishay.com 204 4 10- 2 10- 1 1 10 Rn (M) 102 Maximum allowed peak pulse voltage in accordance with IEC 60065, 14.1.a); 50 discharges from a 1 nF capacitor charged to Umax.; 12 discharges/minute (drift R/R 2 %) Pulse Loading Capability For technical questions, contact: filmresistorsleaded@vishay.com Document Number: 28733 Revision: 12-Oct-09 VR37 High Ohmic/High Voltage Metal Glaze Leaded Resistors Vishay BCcomponents 50 80 T (K) T (K) 5 mm 40 60 10 mm 30 15 mm 40 20 20 0 10 0 0 0.4 0.8 P (W) 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 Application Information 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). 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. 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. All soldering tests are performed with mildly activated flux. TEST PROCEDURES AND REQUIREMENTS IEC 60115-1 CLAUSE IEC 60068-2TEST METHOD 4.16 4.16.2 21 (Ua1) 4.16.3 21 (Ub) 4.16.4 21 (Uc) 4.17 20 (Ta) TEST Robustness of terminations: Tensile all samples Bending half number of samples Torsion other half of samples Solderability Solderability (after aging) 4.18 20 (Tb) Resistance to soldering heat 4.19 14 (Na) Rapid change of temperature Document Number: 28733 Revision: 12-Oct-09 PROCEDURE REQUIREMENTS O 0.7 mm; load 10 N; 10 s Number of failures < 10 x 10-6 O 0.7 mm; load 5 N; 4 x 90 Number of failures < 10 x 10-6 3 x 360 in opposite directions No damage R max.: (0.5 % R + 0.05 ) 2 s; 235 C: Solder bath method; SnPb40 3 s; 245 C: Solder bath method; SnAg3Cu0.5 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 Thermal shock: 10 s; 260 C; 3 mm from body 30 min at - 55 C and 30 min at + 155 C; 5 cycles For technical questions, contact: filmresistorsleaded@vishay.com Good tinning ( 95 % covered); no damage Good tinning ( 95 % covered); no damage R max.: (0.5 % R + 0.05 ) R max.: (0.5 % R + 0.05 ) www.vishay.com 205 VR37 High Ohmic/High Voltage Metal Glaze Leaded Resistors Vishay BCcomponents TEST PROCEDURES AND REQUIREMENTS IEC 60068-2TEST METHOD TEST PROCEDURE REQUIREMENTS 4.20 29 (Eb) Bump 3 x 1500 bumps in 3 directions; 40 g No damage R max.: (0.5 % R + 0.05 ) 4.22 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 4.23.2 2 (Ba) 4.23.3 30 (Db) 4.23.4 4.23.5 1 (Aa) 13 (M) 4.23.6 30 (Db) 4.24 78 (Cab) IEC 60115-1 CLAUSE Climatic sequence: Dry heat Damp heat (accelerated) 1st cycle Cold Low air pressure Damp heat (accelerated) remaining cycles Damp heat (steady state) 4.25.1 4.8 Endurance Temperature coefficient 4.7 Voltage proof on insulation 4.12 Noise 4.6.1.1 Insulation resistance 4.13 Short time overload 16 h; 155 C 24 h; 55 C; 90 % to 100 % RH 2 h; - 55 C 2 h; 8.5 kPa; 15 C to 35 C 5 days; 55 C; 95 % to 100 % RH 56 days; 40 C; 90 % to 95 % RH; dissipation 0.01 P70; limiting voltage U = 100 VDC 1000 h at 70 C; P70 or Umax. Between - 55 C and + 155 C URMS = 700 V during 1 min; V-block method IEC 60195 U = 500 VDC during 1 min; V-block method Room temperature; dissipation 6.25 x P70 (voltage not more than 2 x limiting voltage); 10 cycles; 5 s ON and 45 s OFF Rins min.: 103 M R max.: (1.5 % R + 0.1 ) R max.: (1.5 % R + 0.1 ) R max.: (1.5 % R + 0.1 ) 200 ppm/K No breakdown Max. 2.5 V/V Rins min.: 104 M R max.: (2.0 % R + 0.05 ) 12NC INFORMATION FOR HISTORICAL CODING REFERENCE * The resistors have a 12-digit numeric code starting with 2322 242. * The subsequent: first digit for 1 % tolerance products (E24 and E96 series) or 2 digits for 5 % (E24 series) indicate the resistor type and packaging * The remaining digits indicate the resistance value: - The first 3 digits for 1 % or 2 digits for 5 % tolerance products indicate the resistance value - The last digit indicates the resistance decade Last Digit of 12NC Indicating Resistance Decade RESISTANCE DECADE LAST DIGIT 100 k to 976 k 4 1 M to 9.76 M 5 10 M 6 12NC Example 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. 12NC - Resistor type and packaging 2322 242 ..... TYPE VR37 www.vishay.com 206 TAPE WIDTH (mm) 52 TOL. (%) BANDOLIER IN AMMOPACK BANDOLIER ON REEL 1000 units 5000 units 1 8.... 6.... 5 13... 23... For technical questions, contact: filmresistorsleaded@vishay.com Document Number: 28733 Revision: 12-Oct-09 Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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