pra073, pra074, pra100, pra135, pra182 (cnw) www.vishay.com vishay sfernice revision: 14-nov-12 1 document number: 53033 for technical questions, contact: sferthinfilm@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 high precision thin film chip resistor arrays pra arrays can be used in most applications requiring a matched pair (or set) of resistor elements. the networks provide 1 ppm/c tcr tracking, a ratio tolerance as tight as 0.01 % and outstanding stability. they are available in 0.7 mm, 1 mm, 1.35 mm, and 1.82 mm pitch. features ? high stability passivat ed nichrome resistive layer 0.02 % on ratio, 1000 h at pn at + 70 c ? tight tcr (10 ppm/c) and tcr tracking (to 1 ppm/c) ? very low noise < - 35 db and voltage coefficient < 0.01 ppm/v ? ratio tolerance to 0.01 % ( r ? 200r) ? high temperature (230 c) version see pra ht ? esa qualified version see pra hr ? smd wraparound chip resistor array ? thin film technology ? option to withstand humidity test of aec-q200 ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 typical performance dimensions note ? n represents number of resistors absolute tracking tcr 10 ppm/c 2 ppm/c absolute ratio tol. 0.1 % 0.01 % dim. pra073 pra074 pra100 pra135 pra182 mm mil mm mil mm mil mm mil mm mil a 0.75 0152 29.5 6 1.00 0.152 40 6 1.52 0.152 60 6 1.91 0.152 75 6 3.06 0.152 120 6 b b = n x e ( 0.2 mm) b = n x e ( 8 mil) c 0.5 0.127 20 5 0.5 0.127 20 5 0.5 0.127 20 5 0.5 0.127 20 5 0.5 0.127 20 5 d 0.15 0.08 5.9 3 0.25 0 .1 10 4 0.38 0.13 15 5 0.38 0.13 15 5 0.4 0.13 16 5 e 0.7 27.5 0.7 27.5 1 40 1.35 53 1.825 72 f 0.55 0.1 21.5 4 0.55 0.1 21.5 4 0.7 0.1 27.6 4 1.05 0.1 41.4 4 1.525 0.1 6 4 g min. 0.28 11 0.29 11.4 0.49 19.3 0.88 34.5 1.99 78.3 x max. 0.51 20 0.51 20 0.66 26 1.01 39.8 1.49 58.7 z max. 1.8 70.9 2.05 80.7 2.57 101.2 2.96 116.5 4.11 161.8 suggested land pattern (according to ipc-7351a) x max. b a f e z max. g min. one common point independent resistors f d d e a c c b e
pra073, pra074, pra100, pra135, pra182 (cnw) www.vishay.com vishay sfernice revision: 14-nov-12 2 document number: 53033 for technical questions, contact: sferthinfilm@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 notes (1) part number can only have 18 digits. depending on information needed a co mpromise has to be found. consult vishay. (2) when the last digit(s) of the ohmic valu e is (are) 0, it (they) can be omitted. e.g.: pra100i4-2k20bwn ? can be ordered under praht100i4-2k2bwgt pra100i4-2k00bwn ? can be ordered und er praht100i4-1kbwgt (3) tape and reel not available for all sizes - see table. notes (1) at + 70 c (2) 0.02 % ( r ? 50 ? ), 0.01 % ( r ? 200 ? ) (3) at - 40 c to + 125 c (4) at - 40 c to + 125 c, 1ppm/c on request note (1) for temperature up to 230 c, see pra ht ( www.vishay.com/doc?53057 ) or consult factory. global part number information (1) new global part number ing: pra100i4-5k62bwbt51 global model config. numbers of resistors value (2) abs. tol. ratio tol. termination packaging option pra073 pra074 pra100 pra135 pra182 i : independent c : common 2 to 8 decimal r or k b = 0.1 % d = 0.5 % b = 0.1 % w = 0.05 % p = 0.02 % l = 0.01 % b : snpb over nickel barrier n : snag over nickel barrier g : gold over nickel barrier blank = waffle pack t (3) = tape and reel leave blank if no option b : lead bearing version n and g : lead (pb)-free/ rohs version for different ohmic values on a given network a specific part number is used cnw 1368 global model reference historical part number example: pra100 i 4 5k62 0.1 % 0.05 % tr r0051 pra100 i 4 5k62 0.1 % 0.05 % tr r0099 historical model config. numbers of resistors ohmic value abs. tol. ratio tol. packaging option standard electrical specifications model size resistance range ? power rating per resistor (1) w absolute tolerance % ratio tolerance (2) % absolute tcr (3) ppm/c ratio tcr (4) ppm/c pra073 073 10 to 50k 0.030 0.1, 0.5 0.01, 0.02, 0.05, 0.1 10 1, 2 pra074 074 10 to 100k 0.040 0.1, 0.5 0.01, 0.02, 0.05, 0.1 10 1, 2 pra100 100 10 to 250k 0.100 0.1, 0.5 0.01, 0.02, 0.05, 0.1 10 1, 2 pra135 135 10 o 500k 0.125 0.1, 0.5 0.01, 0.02, 0.05, 0.1 10 1, 2 pra182 182 10 to 2m 0.200 0.1, 0.5 0.01, 0.02, 0.05, 0.1 10 1, 2 climatic specifications operating temperature range (1) - 55 c to + 155 c performances test specifications noise ? - 35 db voltage coefficient ? 0.01 ppm/v limiting voltage pra073 20 v pra074 40 v pra100 50 v pra135 100 v pra182 150 v ra100 i 4 - 5 p k62bw bt 99
pra073, pra074, pra100, pra135, pra182 (cnw) www.vishay.com vishay sfernice revision: 14-nov-12 3 document number: 53033 for technical questions, contact: sferthinfilm@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 special features resistance values can be different on a given network ( r max./ r min. as high as 300). tooling charges might be required depending on the ohmic values in the same network. please, consul t vishay sfernice for ohmic values, tolerances and also temperature coefficient (e.g. 1 ppm/c) outside the standard range. aec-q200 option: 0058 vishay sfernice offers a part compliant to aec-q200 specification. packaging several types of packaging are available: waffle-pack and tape and reel. note (1) other sizes upon request mechanical specifications substrate alumina technology thin film film nickel chromium with mineral passivation terminations b type: snpb over nickel barrier n type: snag over nickel barrier g type: gold over ni ckel barrier number of pieces per package size moq waffle pack max. quantity per box tape and reel (1) min. max. pra073 x 2 100 400 pra073 x 3 100 pra073 x 4 140 pra073 x 5 140 pra073 x 6 60 pra073 x 7 60 pra073 x 8 60 pra074 x 2 100 400 pra074 x 3 100 pra074 x 4 140 pra074 x 5 140 pra074 x 6 60 pra074 x 7 60 pra074 x 8 60 pra100 x 2 100 100 100 4000 pra100 x 3 140 100 4000 pra100 x 4 60 100 4000 pra100 x 5 50 pra100 x 6 50 100 4000 pra100 x 7 50 pra100 x 8 28 100 4000 pra135 x 2 100 140 100 4000 pra135 x 3 60 pra135 x 4 60 100 4000 pra135 x 5 50 pra135 x 6 28 100 4000 pra135 x 7 24 pra135 x 8 24 pra182 x 2 100 60 100 4000 pra182 x 3 60 100 4000 pra182 x 4 50 100 4000 pra182 x 5 21 100 4000 pra182 x 6 24 pra182 x 7 24 pra182 x 8 20
pra073, pra074, pra100, pra135, pra182 (cnw) www.vishay.com vishay sfernice revision: 14-nov-12 4 document number: 53033 for technical questions, contact: sferthinfilm@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 packaging rules waffle pack can be filled up to maximum qu antity indicated in the table here above, taking into acco unt the minimum order quantity. when quantity ordered exceeds maximum quantity of a single waffle pack, the waffle packs are stacked up on the top of each other and closed by one single cover. to get not stacked up waffl e pack in case of ordered quantity > maximum number of pieces per package: please consult vishay sfer nice for specific ordering code. tape and reel can be filled up to maximum qu antity indicated in the table here above, taking into acco unt the minimum order quantity. when quantity ordered is between the moq and the maximum reel cap acity, only one reel is provided. when several reels are needed for ordered quantity within moq and maximum r eel capacity: please consult vishay sfernice for sp ecific ordering code. power rating marking (1) on the primary package, printed information includes vishay s.a. trademark series and model, schematic number of resistors, ohmic value, abso lute tolerance, ratio tolerance, type of termination: b ti nned over nickel barrier. marking on parts: all resistors inside networ k have same ohmic value : if number of resistors in side network < or = 3 for instance ohmic value 13k: coded 1302: m = 1, c = 3, d = 0, u = 2 if number of resistors inside networks > 3 e.g.: 4 resistors in the network: ohmic value 13k: coded 1302: m = 1, c = 3, d = 0, u = 2 resistors inside the network ha ve different ohmic value, a cnw number is assigned by vishay sfernice if number of resistors in side network < or = 3 e.g.: cnw1538: m = 1, c = 5, d = 3, u = 8 if number of resistors inside networks > 3 e.g.: 4 resistors in the network: e.g.: cnw1314: m = 1, c = 3, d = 1, u = 4 note (1) pra073 and pra074 are not marked. for cnw of size 073 and 074, only a d ot is marked to identify r1. note ? rn: nominal resistance 070 20 40 60 80 100 120 140 155 0 20 40 60 80 100 ambient temperature in c rated power (%) 12 43 r1 r2 mc du 12 87 r1 r2 m 34 65 r3 r4 cd u 12 43 r1 r2 mc du 12 87 r1 r2 m 34 65 r3 r4 cd u performance tests conditions cecc requirements drifts absolute per (typical values) ratio overload 2.5 un/2 s 0.05 % rn + 0.05 ? 0.01 % rn climatic sequences - 55 c + 155 c/5 moisture cycles 0.1 % rn + 0.05 ? 0.01 % rn thermal shock - 55 c + 155 c/5 cycles 30' 0.05 % rn + 0.05 ? 0.01 % rn load life 1000 h/pn at 70 c 0.1 % rn + 0.05 ? 0.02 % rn resistance to solder heat 260 c/10 s 0.05 % rn + 0.05 ? 0.01 % rn moisture resistance 0.01 pn at + 40 c 93 % rh 0.1 % rn + 0.05 ? 0.01 % rn high temperature stor age 1000 h/no load at + 155 c 0.1 % rn + 0.05 ? 0.02 % rn
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