title>Detail specification for electronic components-Fixed power resistors-Fixed wirewound resistors for Type RXG2 Assessment level E - SJ 2859-1988 - Chinese standardNet - bzxz.net
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Detail specification for electronic components-Fixed power resistors-Fixed wirewound resistors for Type RXG2 Assessment level E
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Standard ID:
SJ 2859-1988
Standard Name:Detail specification for electronic components-Fixed power resistors-Fixed wirewound resistors for Type RXG2 Assessment level E
SJ 2859-1988 Detailed specification for electronic devices Power type fixed resistors RXG2 type wirewound fixed resistors Assessment level E SJ2859-1988 standard download decompression password: www.bzxz.net
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Ministry of Electronics Industry of the People's Republic of China Standard SJ2859--88 Detailed specification for fixed resistors Published on March 4, 1988 Implementation on October 1, 1988 Approved by the Ministry of Electronics Industry of the People's Republic of China Ministry of Electronics Industry of the People's Republic of China Standard Detailed specification for electronic components Power type fixed resistors RXG2 type wirewound fixed resistors Assessment level E Ministry of Electronics Industry of the People's Republic of China GB5729 Electronic components for quality assessment according to E15— Appearance drawing (Appearance dimensions see Table 1) Lead root coating length SJ2859-88 SJ2859--88 GB5733 FEC115--4--1-1983 Power fixed resistors (RXG2 type wire-wound fixed fixed resistors) Non-insulated type Assessment level: E Stability grade: 5% The valid data of components qualified according to this detailed specification are given in the list of qualified products. Issued by the Ministry of Electronics Industry on March 4, 1988 Implementation on October 1, 1988 1 General data 1.1 Recommended installation method The resistor is installed and fixed by its leads. SJ2859--88 In vibration and shock tests, the distance between the resistor body and the mounting fixing point is 6±1mm. Dimensions, ratings and characteristics Rated power dissipation All dimensions are in meters. Resistance range* Nominal resistance tolerance: Climate category Low pressure Stability grade Temperature coefficient Resistance change limit: Long-term test Short-term test 1.2.1 Reduced power dissipation Temperature coefficient Limiting voltage|| tt||Not applicable 0.12~1000 Not applicable Maximum size 28±20.6±0.08 ≤102, ±10%:>102, ±%555/155/21 8.5kPa(85mbar) ≤±250×10~6/°℃|| tt||±(5%R+0.10) ±(1%R+0.05) ≤250°℃ The resistors covered by this specification shall reduce power consumption according to the following curve: 122 *The priority value is E24 series with IEC33 Environmental humidity, ℃ 1.3 Related documents S32859-88 General specification: GB5729 Fixed resistors for electronic equipment Part 1: General specification Sub-specification: GB5732 Fixed resistors for electronic equipment Part 4: Sub-specification: Power type fixed resistors 1.4 Marking 1.4.1 The marking on resistors and packaging shall comply with the requirements of Article 2.4 of the general specification GB5729; certified products shall be marked with the certification mark on the packaging. 1.5 Ordering Information Orders for resistors to this specification shall list the following minimum information in plain text or code form: a. Nominal resistance: b. Permissible deviation of nominal resistance: c. Number and version of this detailed specification and variety designation. 1.6 Release batch certification record Requirements. 1,7 Additional information (not inspected) 1.8 No additional or increased severity or requirements are required for the provisions of the general specification and (or) sectional specification. 2 Inspection requirements 1.1 Procedure 2.1.1 The identification and approval procedure shall comply with the provisions of Section 3.2 of Section GB5732. 2.1.2 For quality consistency inspection, the test schedule (Table 2) includes sampling, cycle, severity and requirements. Section 3.3.1 of the sectional specification specifies the composition of the inspection batch. Table 2 Note: ①Except that the resistance change requirement should be selected from Table 1 and Table 2 of the sectional specification GB5732, the clause numbers of the test items and performance requirements are quoted from the general specification GB5729. ②) Inspection level (IL) and qualified quality level (4QL) are selected from IEC410: counting inspection extraction plan and stable sequence. ?In the table: P—cycle, month: Sample size C—qualified number of judgments (allowable number of unqualified products):D—destructive, ND non-destructive, IL inspection level AQL—qualified quality level IEC410, clause number and test items (see note ①) Group A inspection (remote approval) A1 grouping |4.4.1 Appearance inspection Group A2 4.4.2 Dimensions (regulation inspection) 4.5 Resistance Group B inspection (batch by batch) Group B1 (not applicable to 9) 4.7 Attached voltage Group B2 4.17 Viability 4,16 Terminal strength 4,13 Over-comparison Clause number and test items ( Note ①) C group test (cycle) C1A group (half of CI group sample) 4,16 Terminal strength 4.18 Welding heat SJ2859--88 Continuation 2 Test components (see Note?) Use 1/20mm tool No deterioration Method, IEC68-2-20| |tt||(1968)Test T is 1 times temperature: 236±5°℃ immersion time: 2±0.54 depth of the heart: 2.8.gmm from the resistor body tensile test appearance inspection set see 2.3.4 of the current standard CB5732 appearance inspection continued table 2 test items (note ①) Tensile, bending and torsion Appearance inspection Method: IEC63-2-20A (Note②) Group size and Qualified judgment number (Note) Performance requirements (See Note) See Article 4.4.1, clearly marked Comply with Article 1.4 of this specification According to Article 1 of this specification According to Article 4.5.2||tt ||Solder wets the lead and can flow freely Indicates that the package must be good No visible damage AR±(1%R+0.05O) No visible damage AR±(1%R+0.05Q) Performance requirements (See Note ①) No visible damage AR≤±(1%R±0.05Q) Clause number and test items (See Note ①) C IB group (the other half of the CI group samples) 4.19 Rapid temperature change 4.21 Shock CI group (all samples of CIA group and CIB group) 4,23 Gas chopstick sequence —dry heat one cycle warm, test Db, first cycle one cold one low pressure one broadcast Ring temperature heat, S32859-88 Continued Table 2 Test conditions (See Note@) (1970) Test Tb, Method IB Source: 350±10°℃ No time: 3.5±0.5 onwards Immersion depth: Distance from resistor body Main body 2+0.5 Appearance inspection 9A:-55°C 0B:+155°℃ Appearance inspection Installation method: See this specification Acceleration: 430m/s* Pulse duration, 1lms Pulse waveform: Half sine wave Appearance inspection Limiting resistance Installation method: See 1.1 of this specification Procedure, B4 Frequency model: 10~500Hz Image: 0.75mm or acceleration|| tt||Speed 98m/s* (take the smaller one) Total duration: 6h Appearance inspection 8.5kPa(85mbaz) Sample size and Grid determination number (see Note ③) Performance requirements (see Note ①) No visible damage, clear markings AR≤±(1%R+0.052) No visible damage Damage △≤±(1%R+0.052) No visible damagebzxz.net AR≤(1%R+0.052) No visible damage △R≤±(1%R+0.052) Series model number and test age item (see D) Qualification Db, Other cycles C2 group 4,25.2 Air temperature durability C3 group Group 4.8 Change of group values with temperature Group D test (cycle) DI group 4.24 Damp heat in photography D2 group 4.14 Overflow D3 group 4,4,3 Dimensions (detailed) 4.25.3 Upper limit category Overflow Durability Additional notes, This standard was drafted by Factory 795. SJ2859--88 Continued 2 Test conditions (See Note 0) Appearance inspection Duration: 1000h G:teh,5achRncooa Time inspection: Appearance inspection -55*C/+20-C +20°C /+155-C According to 1.24, 2.2, 10 samples in the first group 10 samples in the second group Appearance inspection Duration, 1000h Inspection at 48h, 50ch and 1000h : Appearance inspection The main drafters of this standard are Han Changsheng and Zeng Shuiping. Sample size and Qualified judgment number (See Note?) Performance requirements (See Note?) No visible damage, clear marking AR≤(5%R+01Q) No visible damage, clear marking AR±(5%R+0.12) a±250×10*/*c a≤±260×10-8/oc No visible damage, clear marking AR≤±(5%R+0.102) Comply with the provisions of Table 1 of this specification No visible damage, clear marking △R≤(5%R+0.18) Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.