1、- EIA IS-34 87 3234600 0002253 b I 7 EIA INTERIM STANDARD LEADED SURFACE MOUNT RESISTOR NETWORKS FIXED FILM IS-34 JANUARY ,1987 Engneedng .TwoRKs FIXED FILM (From Project No. FN1905, formulated under the cognizance o EIA Working Group P-l. 5 on Resistor Networks. ) +o rature iIXp0 sure (3.10) .2 0.5
2、 IHigh - I IS-34 Page 1 I il.0 for masurment 1. SCOPE 1.1 scope This industry standard covers *e general requirements for cermet or metal film type resistor networks, prhrily intended for incorporation into electronic circuits 1.2 Classification Networks specified herein (see 3.1) shall be identifie
3、d by a part number which shall msist of the basic style and a dash nuniber* the dc resistance shall fhen be measured as spcified in 4.3. examined for evidence of mechanical damage. initial and final measurements shall nuk exceed the value specified in 3.8. Short+he Overload (See 3.9) nie dc resistan
4、ce shall be measured as specified in Bragraph 4.3. A dc test potential, 2.5 times the rated oontinmus mrking voltage but mt excesdiq twice the maximm rated voltage (see detail specification) shall be aRlied 50r 5fi secords to each resistor one at a time wifh a minhm waiting period of one minute betw
5、een each resistor in the netwrk. Mintained: (a) Networks munted in nomial position. (b) In still air, With no circulation the krsion for 3 seconds). (e) Measurement after Test - After cunpletion o terminal hrsion and following a mirdmm 3-hour caoling period, dc resistance shall be measured as specif
6、ied in 4.3.1, The follaWing IS-34 Page 14 4.9 Misture (See 3.12) Networks shall be tested in accartimce with Method 2 of Rs-186. exceptions shall apply: Mounting - Network sample units shall be munted ca1 a test board as specified in 4.1.1. Ihe folldng (a) (b) Initial Measurc ment - Itmdiately- foll
7、dng the initial conditioning perid, dc resistance of resistors in the network board shall be measured as specified in 4.3.1. (c) (d) Loading Voltage - A dc voltage equivalent to 1/10 of rated wattage shall be applied to all resistors during Ehe first 2 hours of Steps 1 and 4. Subcycle - Step 7E3 sha
8、ll not be applicable. during any five of the first eight cycles only. Step 7A shall be performed (e) Measurements at High Humidity - None. (f) Final Measurements - Upn ccmpletion of Step 6 of the final cycle, the networks shall be rerrioved fran the chaniber and air dried for 30 f 15 minutes. The dc
9、 resistance shall then be measured in accordance with 4.3.1. When the networks are tested as specified, the change in resistance between initial and final measurements shall not exceed the value specified in 3.12. (9) J3xdnation after Test - Networks shall be examined for evidence of medianical dama
10、ge. 4.10 Life (See 3.13) Networks shall bc tested in accordance with Method 12 of E-16-D. details and exceptions shall apply. Tne folldng (a) Metha3 of Mounting - Network sample units shall be muntd on a test board as specified in 4.1.1. (b) Test Temperature - At the applicable maximum rated tempera
11、ture, 70 +4OC/ - -0OC. (See Table I.) (c) Initial Measuremnts - Measurements may be mde inside cr outside the chamber (1) Inside Charriber - When measuirements are to be made inside the the change in resistance between the initial masurenent and any of the succeeding measurements shall riot exceed t
12、he value spcified in 3.13. 4.11 Temperature Characteristics (See 3 14) Networks shall be tested in accordance with Method 304 of MIGSTD-202. blloWing details and exceptions shall apply. (a) Reference Temperature - RLXMI ambient temprature. (b) Test Temperature - In accordance with Table VII. (c) Acc
13、uracy of Teniperature Measurement - Networks shall be maintained for 30 to 45 minutes with lC at each of the test temperatures listed in Table VII. This tolerance shall be maintained on the established test temperatures. Wen networks are tested as specified, the temperature characteristic shall not
14、exceed the value specified in 3.14 for the applicable ICATION “ES Close Tolerance Netmrks Close tolerance networks (Le produces *e least heating effect clver a short time to wold pennanent changes in resistance. +O. 1%) should be mounted ly a methd which In the event that a circuit is required where
15、by the manufacturer is unable to perform enviromental tests at specified anditions due to the circuit layout (Examples: Resistors in ceries With rm tap or tw resistors in parallel where me resistor wuld mt receive rated powx)t the manufacturer my verify capability by testing similar values at specif
16、ied oonditions in ather networks. mal atline (SO) Family Dimensions are r;hown in figure 2 for t;he mrrm body ( .1501) I medim body ( .220“) I and wide body ( .300“) versions of the So Package. Small Outline “J“ Hook Lead (SOJ) Family Dimensions are sham in Figure 3. Plastic aiip Carrier (Ec) Emily
17、Dimensions are dmvm in Figure 4. EIA IS-34 87 = 3234b00 0002271 = IS-34 Page 17 NYms: 1. - ANSI n4,5-1982. 5. If it is not Fesent, area. 10. For solder di leads, dimensions “B“ and “C“ my be increased by .O01 in. I COL-16J COL-2aJ I IDIMESTSIONI in Max Min Max1 IA I .115 .135 .115 .135 1 1 Az i .O25
18、 ,035 i ,025 .O35 I I c I .o091 .O125 I .O091 .O125 I I D I .3977 .4133 I .4961 .5118 I 1 E I ,2914 ,2992 1 .2914 .2992 I 1 El I .250 .270 I -250 .270 I I B I ,015 .O19 I .O15 .o19 . I 1 e I .O50 BSC I .O50 Rsc 1 I H I .332 .339 I .332 .339 I I h 1 .O10 .O29 I .O10 .o29 I IN1 16 I 20 I FIGURE 3. W P
19、ACKAGE: EIA IS-3Y 87 6 3234600 0002273 I M I t-Dl-1 IS-34 Page 19 DATUM PLANE I 1 219 1 067 * -, 0.51 .o20 u rRn i“li-R81 002in/in . * , l u L: L 3.81 1 .I50 - MAX TYP fr I I WEI MAX TYP .O75 * BASE 1 SEATING PLANE Cu MAX XQ PLANE .o20 EIA IS-34 7 W 3234b00 0002274 3 , IS-34 Page LO VARIATION I I I
20、I I Is1 IYI I A1 1.090 1.120 I 1.090 1.120 I D 1.385 1.395 I I - I - I Di 1.350 1.356 I 7 1,350 1.356 I D2 1.290 1.330 I 4 1.290 1.330 I D3 I .200 REF. I I -200 REF. I E 1.385 1.395 I 1.385 1.395 I E1 1.350 1.356 I 1.350 1.356 I E2 1.291) 1,330 I 1.290 1.330 I1 - II 171 141 I1 II II I1 Variation AB
21、(E-10) is identical to AA except that all leads are dtted fran the the -E- and 4- sides of the device. I E3 I -200 REF. I I 200 REF. I I IN1 20 I1 10 II I P I.080 1.105 I 1.080 1,105 1 1 I 1/2/3/5/6/8/9/ 101 1/2/3/5/6/8/9/ 10 I 11 I1 I AW 1984 I I IREF. I 11 I1 IISSUEI AOCIl984 I F“IC CHIP CARFUER (
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26、 wo I: *H nmv) oz2 ow OUI XI-u I-u0 o WHW v)Jv) waw ICLI I-UI- wrn an am 9 Emd an IS-34 Page 21 IS-34 Page 22 EIA IS-34 7 M 3234b00 000227b 7 M CATING PLANE 0.301/0.127 ,015/. 005 lt- BASE PLANE A FIGURE 4D. ADHESIVE PEDESTAL IETAILS mte: pdhesive pedestal is an cptionai feature. 3% I O,B12/0.661 pL
27、cs 0.177sBAS 2 SIDES 2 SIDES /s SEATING PLANE SEE OETAIL L 1_1 rm FIGURE 4E. “4INAL IEIAILS - EIA IS-34 7 m 3234600 0002277 9 m IS-34 Page 23 SEATING PLANE DETAIL J TYP BOTH SIDES DETAIL L FIGRE 4F. EIA IS-34 87 W 3234600 0002278 O F IS-34 Page 24 -RIG, FIXEDRESISTORS SryLE ms010 1.1 This detail spe
28、cification avers the requirements fjor style RZS010 So8 netmrks. This style is available in all diaracteristics. 1.2 Part Mr Networks covered by this detail specification shall be identified by a part number E Rzs012 This detail specification mers the requirements for style 1125012 SO16 netwrks. Thi
29、s style is available in all c;haracteTstics. Part Nuniber Nkwrks covered ky this detail specification &all be identified by.a part nirmber *ich shall ansist of the basic nunfer of -Ulis detail specification and a ooded dash nunbr. “he part nmhr &ail be in the folldng form: ms012 I K I 1002 I G I A I
30、 Detail Specification I I resistance I Schematic Number Characteristic Resistance Tolerance This detail specification suppleinents +%e requirements of EA Standard IS-34. Requirements Requirements shall be in accordance with IS-34 and as specified herein. Design and Construction ?he resistor shall be
31、 of the design construction and physical dimensions in Figure 2 Wer rating for each resistor in a wtswrk chal1 be 0.07 watt maximum at 7OoC. FWer rating of the total netwrk pckage shall be 0.50 watt maximm at 7OoC. Derating shall be according to Figure lt derating curves for high ambient temperature
32、s, Paragraph 3.4 of the main standard. Voltage Rating The maximum continuous mrking wlkage for each resistor shall not exceed 50 volts dc or ac IF.Is. Value Range Resistors : Tolerance Minirmrm Value Maximum Value 7zx 100 ohms 1 megohm D (10.5%) 100 drms 1 megohm F (fl%) . 10 ohms 1 megohm G (f2%) 1
33、0 om 1 megohm J (f5%) 10 ohms 1 megohm K (&lo%) 10 ohms 1nEPhm - EIA IS-34 87 I 3234b00 O002283 O IS-34 Page 27 1.1 This detail specification mers the requirements for style ES020 SCM-14 netsmrfis. This style is available in ail characteristics. 1.2 Part Nuniber Netmrks ccivered ky WS detail specifi
34、cation &m.ll be identified ky a part number which shall consist of the basic nmr of Us detail specification and a ccded dash number. The part nirmber shall be in fhe folluwing form: FES020 I H 1 1002 I F I A I &tail Spcification I I Resistance I Nmr Characteristic Resistance Tolerance Schematic 2. A
35、ppLIcAl3MxuMENTc 2.1 This detail specification supplements fhe requirements of EIA Standard IS-34. 3.1 Requirements Requirements &ail be in accordance with IS-34 and as specified herein. 3.2 Design and Construction The resistor shall be of the design mnstruction and physical dimensions in a - - Figu
36、re 2. 3.3 Pmer Ratings at 7OoC The pwr ratings at 7OoC shall be as fbllm: Derating shall be according to Figure 1. temperatures, Bragraph 3.4 of the main standard. Derating cuwes for high ambient Resistor Bckage Schmatic Pmer Rating Paver Rating A&M 0.16 W 1.12 w &J 0.08 W 1.12 w 3.4 Voltage Rating
37、?he maxhum mntinuous wrking mltage for each resistor shall not exceed 50 volts d or ac WS. 3.5 Value Fange Resistors: Tolerance Mininmm Value Maxk Value B (f0.H) loo ohms 1 megohm D (+0.5%) 100 ohms 1megm F (Il%) 10 hms 1 megohm G (*2%) 10 ohms 1 nqohm J k5%) 10 om 1 megohm K (*lo%) 10 ohms 1Wh IS-3
38、4 Page 28 1.1 This detail specification avers the requirements for style RZS021 SCM-16 networks. niis style is available in ail aiaracteristics. 1.2 Part Number Networks covered by this detail specification shall be identified bu a part number which shall mnsict of -the basic mimber of this detail s
39、pecification aiad a coded dash number, The part n-r shall ke in te folldng form: ms021 H 1002 F A 1 I I .I I Btail Specification I 1 Resistance 1 NWr Characteristic Resistance Tolerance Schematic 2.1 This detail, specification supplements the requirements of EIA Standard IS-34. 3.1 Requiresnents Req
40、uirements shall be in accordance With IS-34 and as specified herein. 3,2 &sign and Construction ?he resistor shall be of the design oonstruction and physical dimensions in Figure 2. 3.3 mr Ratings at 7OoC The power ratings at 70C shall be as hllm: &rating shall be according to Figure 1. temperatures
41、, Paragraph 3.4 of the main standard. &rating curves for high ambient 9 Resistor Package Schematic Puwer Rating Puwer Rating A&M Oe16 W 1.28 W B&J 0.08 W 1.28 W 3,4 Voltage Rating The maxhum continuous wrking mltage Ifor each resistor shall not exceed 50 volts dc or ac lWS. 3.5 Value Range &sistors : Tolerance Mhimum Value Maximum Value B (fo.1%) 100 ohms lmegohm D (+O. 5%) 100 ohms 1 megohm F (+i%) 10 om 1megh G (f28) 10 ohms 1 megohm 10 ohms 1 mo9dlIll 10 ohms 1 &d.un
