type rn73 series high precision resistors (smd) meggitt electronic components log no fo720 issue 5 2 pages 02-00 meggitt holsworthy key features hybrid circuits electronic assemblies precision resistors smd precision resistors precision networks meggitt holsworthy supplied on reels of 5000, 4000 or 1000 stable high frequency performance choice of packages (08:05 std) 100v dc operating voltage high precision - tcr 10 ppm/c temperature range -55c to +125c thin film (nichrome) tolerances down to 0.1% terminations (nickel & solder plating) protective coat epoxy high purity alumina substrate electrode thin film sputtered resistive metal film the rn73 series is a stable precision chip resistor range offering various power dissipation relating to chip size, tcr's down to 10ppm/c and resistor tolerances to 0.1%. the resistor is produced with three sputtered layers giving better performance. values are restricted to the e96 grid and the rn73 has accurate and uniform physical dimen- sions to facilitate placement. they are of course packaged on tape and reeled. sales action desk fax: (01793 611777) tel: (01793 611666) email: sales@megelec.co.uk web site: www.megelec.co.uk
specification electrical rated power maximum working voltage maximum overload voltage working temperature range rated ambient temperature 2a 0.1w 100v 200v 2b 0.125w 150v 300v 2e 0.25w 200v 400v -55c ~ +125c 70c 100 ~ 100k 100 ~ 100k 51 ~ 100k --- --- 100 ~ 100k 100 ~ 100k 51 ~ 100k 51 ~ 150k --- 100 ~ 100k 100 ~ 100k 10 ~ 100k 10 ~ 249k 160k ~ 1m --- --- 10 ~ 100k 10 ~ 150k 160k ~ 1m resistance tolerance e-24, e-96 series t. c. r . (ppm/c) f ( 25) g ( 50) h (100) resistance value range c ( 10) d ( 15) f ( 25) g ( 50) h (100) 100 ~ 130k 100 ~ 130k 51 ~ 130k --- --- 100 ~ 130k 100 ~ 130k 51 ~ 130k 51 ~ 360k --- 100 ~ 130k 100 ~ 130k 10 ~ 130k 10 ~ 360k 390k ~ 1m --- --- 10 ~ 130k 10 ~ 360k 390k ~ 1m c ( 10) d ( 15) f ( 25) g ( 50) h (100) 100 ~ 240k 100 ~ 240k 51 ~ 240k --- --- 100 ~ 240k 100 ~ 240k 51 ~ 240k 51 ~ 510k --- 100 ~ 240k 100 ~ 240k 10 ~ 240k 10 ~ 510k 560k ~ 1m --- --- 10 ~ 240k 10 ~ 510k 560k ~ 1m type 1j 2a 2b 2e h ( 100 ppm/c) of t.c.r. is only e - 24 for temperartures in excess of 70c the load shall be derated in accordance with the following figure. -55c -60 -40 -20 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 rated load ( % ) ambient temperature ( c ) 70 c 125 c dimensions common p common p common p common p common p art art art art art rn73 rn73 rn73 rn73 rn73 rn73 - series part number temp temp temp temp temp . coefficient . coefficient . coefficient . coefficient . coefficient of resist of resist of resist of resist of resist ance ance ance ance ance c c c c c c 10 ppm/c* d 15 ppm/c f 25 ppm/c g 50 ppm/c h 100 ppm/c chip size chip size chip size chip size chip size 2a 2a 2a 2a 2a 1j - 06:03 2a - 08.05* 2b - 12.06 2e - 12.10 resist resist resist resist resist ance v ance v ance v ance v ance v alue alue alue alue alue 100 ohms 1 k ohm 100 k ohm (100 ohms) (1000 ohms) (100,000 ohms) 100r 1k0 100k 100k 100k 100k 100k 100k tolerance tolerance tolerance tolerance tolerance b 0.1%* c 0.25% d 0.5% f 1.0% b b b b b p p p p p ack qty ack qty ack qty ack qty ack qty tg - cut tape lengths (2a only) tdf - 1000 (paper) (2a only) tdg - 2000 (paper) te - 4000 (plastic) td - 5000 (plastic) tdf tdf tdf tdf tdf how to order * preferred - stocked item w 0.2 0.8 1.25 1.6 2.5 d 0.3 0.2 0.4 0.2 0.5 0.3 0.5 0.3 d 0.2 0.3 0.3 0.4 0.4 0.1 h 0.1 0.4 0.5 0.6 0.6 l 0.2 1.6 2.0 3.2 3.2 type rn73 1j rn 732a* rn 732b rn 732e see table 1j 0.063w 50v 100v c ( 10) d ( 15) f ( 25) g ( 50) h (100) b (0.1%) 100 ~ 33k --- --- c (0.25%) 51 ~ 33k 51 ~ 100k --- d (0.5%) 10 ~ 33k 10 ~ 100k 110k ~ 330k f (1.0%) 10 ~ 33k 10 ~ 100k 110k ~ 330k type rn73 series (page 2 of 2) power derating curve meggitt electronic components ltd. ohmic house, westmead industrial estate, swindon, wilts. sn5 7us telephone:(01793)487301(admin.) (01793)611666 (sales) email:sales@megelec.co.uk fax:(01793) 611777 this publication is issued to provide outline information only and (unless specifically agreed to the contrary by the company i n writing) is not to form part of any order or be regarded as a representation relating to the products or service concerned. we reserve the right to alter without notice the specification, design, price or conditions of supply of any product or service. whilst meggitt electronic components products are of the very highest quality and reliabi lity, all electronic components can occasionally be subject to failure. where failure of a meggitt electronic components product could result in life threatening consequences, then the circuit and application must be discussed with the company. such areas might include ecg, respiratory. and other medical and nuclear applications and any non fail safe applications circuit.
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