www.vishay.com for technical questions, contact: filmresistorsleaded@vishay.com document number: 30260 148 revision: 02-dec-09 hvr25, hvr37 vishay bccomponents high ohmic/high voltage metal film leaded resistors a homogenous film of metal alloy 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 blue, non-flammable lacquer, which provides electrical, mechanical, and climatic protection. features ? metal film technology ? high pulse loading (up to 10 kv) capability ? small size (0207/0411) ? compatible with lead (pb)-free and lead containing soldering processes ? compliant to rohs directive 2002/95/ec applications ? power supplies ? electronic ballast ? white goods ? television technical specifications description hvr25 hvr37 resistance range 100 k to 10 m 100 k to 10 m 100 k to 10 m 100 k to 10 m resistance tolerance 5 % e24 series 1 % e24/e96 series 5 % e24 series 1 % e24/e96 series temperature coefficient 200 ppm/k climatic category (lct/uct/days) 55/155/56 rated dissipation, p 70 0.25 w 0.5 w maximum permissible voltage u max. dc 1600 v 3500 v rms 1150 v 2500 v basic specification iec 60115-1 stability after: load (1000 h, p 70 ) (5 % r +0.1 ) (1.5 % r +0.1 ) (5 % r +0.1 ) (1.5 % r +0.1 ) long term damp heat test (56 days) (1.5 % r +0.1 ) (1.5 % r +0.1 ) (1.5 % r +0.1 ) (1.5 % r +0.1 ) soldering (10 s, 260 c) (1 % r +0.1 ) (1 % r +0.1 ) (1 % r +0.1 ) (1 % r +0.1 )
document number: 30260 for technical questions, contact: filmresistorsleaded@vishay.com www.vishay.com revision: 02-dec-09 149 hvr25, hvr37 high ohmic/high voltage metal film leaded resistors vishay bccomponents notes (1) the part number is shown to facilitate th e introduction of the unified part numbering system (2) please refer to table packaging, see next page dimensions part number and product description (1) part number: hvr2500001503ja100 model/size variant tcr/material value tolerance packaging (2) special hvr2500 hvr3700 0 = neutral 0 = standard 3 digit value 1 digit multiplier multiplier 3 = *10 3 4 = *10 4 5 = *10 5 f = 1 % j = 5 % a1 a5 r5 n4 up to 2 digits 00 = standard product description: hvr25 5 % a1 150k hvr25 5 % a1 150k model tolerance packaging (2) resistance value hvr25 hvr37 1 % 5 % a1 a5 r5 n4 150k = 150 k 4m64 = 4.64 m packaging model taping ammo pack reel pieces code pieces code hvr25 axial, 52 mm 5000 a5 5000 r5 1000 a1 radial 4000 n4 hvr37 axial, 52 mm 1000 a1 5000 r5 ? d l 1 ? d l 2 a dimensions - resistor types, mass and relevant physical dimensions type l 1 max. (mm) l 2 max. (mm) d max. (mm) ? d (mm) a (mm) mass (mg) hvr25 6.5 7.5 2.5 0.58 0.05 52.5 1.5 220 hvr37 10 12 4 0.78 0.05 52.5 1.5 500 25 r v h00001503ja100
www.vishay.com for technical questions, contact: filmresistorsleaded@vishay.com document number: 30260 150 revision: 02-dec-09 hvr25, hvr37 vishay bccomponents high ohmic/high voltage metal film l eaded resistors products with radial leads (hvr25) note ? please refer document number 28721 ?packaging? for more detail marking the nominal resistance and tolerance are ma rked on the resistor using four or five colored bands in accordance with iec 60062, marking codes for resistors and capacitors. standard values of nominal resistance are taken from the e24 and e24/e96 series for resistors with a tolerance of 5 % or 1 % respectively. t he values of the e24/e96 series are in accordance with iec 6006 3. yellow and grey are used instead of gold and silver because me tal particles in the lacquer coul d affect high-voltage properties . dimensions - radial taping symbol parameter value tolerance unit p pitch of components 12.7 1.0 mm p 0 feed-hole pitch 12.7 0.2 mm p 1 feed-hole centre to lead at topside at the tape 3.85 0.5 mm p 2 feed-hole center to body center 6.35 1.0 mm f lead-to-lead distance 4.8 + 0.7/- 0 mm w tape width 18.0 0.5 mm w 0 minimum hold down tape width 5.5 - mm h 1 component height 29 max. mm h 0 lead wire clinch height 16.5 0.5 mm h height of component from tape center 19.5 1 mm d 0 feed-hole diameter 4.0 0.2 mm l maximum length of snipped lead 11.0 - mm l 1 minimum lead wire (tape portion) shortest lead 2.5 - mm p p 2 w w 0 d 0 p 1 p 0 l 1 l f h 0 h 1 h
document number: 30260 for technical questions, contact: filmresistorsleaded@vishay.com www.vishay.com revision: 02-dec-09 151 hvr25, hvr37 high ohmic/high voltage metal film leaded resistors vishay bccomponents functional performance pulse loading capability note ? maximum allowed peak pulse voltage in accordance with iec 60065, 14.1.a; 50 discharges from a 1 nf capacitor charged to u max. ; 12 discharges/min maximum dissipation ( p max. ) in percentage of rated power as a function of ambient temperature ( t amb ) hvr25 r = (4.0 % r + 0.1 ) hvr37 for 5 % tolerance r = (4.0 % r + 0.1 ) for 1 % tolerance r = (2.0 % r + 0.1 ) 0 100 - 55 0 70 155 ambient temperature amb power dissipation p derating - standard operation ? 12 11 10 4 5 6 7 8 9 10 -2 10 -1 10 0 10 1 10 2 (m ) r ? max. (kv) 12 11 10 4 5 6 7 8 9 10 -2 10 -1 10 0 10 1 10 2 (m ) r ? max. (kv)
www.vishay.com for technical questions, contact: filmresistorsleaded@vishay.com document number: 30260 152 revision: 02-dec-09 hvr25, hvr37 vishay bccomponents high ohmic/high voltage metal film l eaded resistors tests and requirements essentially all tests are carried out in accordance with iec 60115-1, catego ry 55/155/56 (rated temperature range - 55 c to + 155 c; damp heat, long term, 56 days) and along th e lines of iec 60068-2-xx test method. the tests are carried ou t under standard atmospheric conditions according to iec 60068-1 , 5.3 unless otherwise specified. in some instances deviations from iec recommendations were necessary for our method of specifying. performance iec 60115-1 clause iec 6006 8 -2-xx test method test procedure requirements permissible change ( r ) hvr25 hvr37 4.8 - temperature coefficient between - 55 c and + 155 c 200 ppm/k 4.25.1 - endurance at 70 c 1000 h; loaded with p 70 or u max. ; 1.5 h on; 0.5 h off for 5 % tolerance (5 % r + 0.1 ) for 1 % tolerance (1.5 % r + 0.1 ) 4.24 78 (cab) damp heat, steady state 56 days; 40 c; 90 % to 95 % rh loaded with 0.01 p 70 for 5 % tolerance (5 % r + 0.1 ) for 1 % tolerance (1.5 % r + 0.1 ) 4.23 climatic sequence (1.5 % r + 0.1 ) 4.23.2 2 (ba) dry heat 16 h, 155 c 4.23.3 30 (db) damp heat, cyclic 24 h; 25 c to 55 c 90 % to 100 % rh; 1 cycle 4.23.4 1 (aa) cold 2 h, - 55 c 4.23.6 30 (db) damp heat, (accelerated) remaining cycles 5 days; 25 c to 55 c 90 to 100 % rh 4.19 14 (na) rapid change of temperature 30 min at lct; 30 min at uct; lct = - 55 c; uct = 155 c; 5 cycles no visual damage (1 % r + 0.1 ) 4.13 - short time overload room temperature; dissipation 6.25 x p 70 (voltage not more than 2 x limiting voltage, 10 000 v max. ); 10 cycles 5 s on and 45 s off for 5 % tolerance (2 % r + 0.1 ) for 1 % tolerance (1 % r + 0.1 ) 4.12 - noise iec 60195 max. 5 v/v max. 2.5 v/v 4.16 robustness of terminations: no damage (1 % r + 0.1 ) 4.16.2 21 (ua1) tensile all samples load 10 n; 10 s 4.16.3 21 (ub) bending half number of samples load 5 n; 4 x 90 4.16.4 21 (uc) torsion other half of samples 3 x 360 in opposite direction
document number: 30260 for technical questions, contact: filmresistorsleaded@vishay.com www.vishay.com revision: 02-dec-09 153 hvr25, hvr37 high ohmic/high voltage metal film leaded resistors vishay bccomponents 12nc information for historical coding reference only ? the resistors have a 12 digit ordering code starting with 2306 ? the next 4 or 5 digits indicate the resistor type and packaging ? for 5 % tolerance the last 3 digits indicate the resistance value: - the first 2 digits indicate the resistance value - the last digit indicates the resistance decade in accordance with table ? for 1 % tolerance the last 4 digits indicate the resistance value: - the first 3 digits indicate the resistance value - the last digit indicates the resistance decade in accordance with table last digit of 12nc indicating resistance decade 12nc example hvr25, 150 k , 5 %, ammopack 1000 pieces is 2306 241 13154 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) (1.0 % r + 0.1 ) 4.17 20 (ta) solderability (after ageing) 2 s; 235 c: solder bath method; snpb40 3 s; 245 c: solder bath method; snag3cu0.5 good tinning ( 95 % covered); no visible damage 4.18 20 (tb) resistance to soldering heat thermal shock: 10 s; 260 c; 3 mm from body (1 % r + 0.1 ) 4.29 45 (xa) component solvent resistance isopropyl alcohol no visible damage 4.6.11 - insulation resistance u = 500 v dc during 1 min, v-block method r ins min. 10 4 m 4.7 - voltage proof on insulation u rms = 700 v during 1 min, v-block method no flashover or breakdown performance iec 60115-1 clause iec 6006 8 -2-xx test method test procedure requirements permissible change ( r ) hvr25 hvr37 resistance decade (5 %) resistance decade (1 %) last digit 100 k to 910 k 100 k to 976 k 4 1 m to 9.1 m 1 m to 9.76 m 5 = 10 m = 10 m 6 12nc - resistor type and packaging description 2306 ... ..... bandolier in ammopack bandolier on reel type tape width tolerance radial taped 1000 units 5000 units 5000 units 4000 units hvr25 52.5 5 % 241 36... 241 13... 241 53... 241 23.... 1 % 241 0.... 241 8.... 241 7.... 241 6.... hvr37 52.5 5 % - 242 13... - 242 23... 1 % - 242 8.... - 242 6....
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