The remaining requirements of the LGA2A0410 type fixed inductors specified in this specification are specified by this specification and SJ20037.92 "General Specification for RF Fixed and Variable Inductors". This specification applies to LGA2A0410 type fixed inductors used in RF circuits. SJ 20037.1-1994 Detailed Specification for LGA2A0410 Type Fixed Inductors SJ20037.1-1994 Standard Download Decompression Password: www.bzxz.net
The remaining requirements of the LGA2A0410 type fixed inductors specified in this specification are specified by this specification and SJ20037.92 "General Specification for RF Fixed and Variable Inductors". This specification applies to LGA2A0410 type fixed inductors used in RF circuits.
Some standard content:
Military standard for electronic industry of the People's Republic of China FL5950 SJ20037.1—94 LGA2A0410 type fixed inductor Detail specificationfor typeLGA2A0410fixed inductors1994-09-30 Issued 1994-12-01 Implementation Approved by the Ministry of Electronics Industry of the People's Republic of China 1 Scope Military standard for electronic industry of the People's Republic of China LGA2A0410 type fixed inductor Detail specificationfor rypeLGA2A0410 fixed inductors1.1 Subject Content SJ20037.1—94 All requirements for the LGA2A0410 type fixed inductors specified in this specification are specified by this specification and SJ20037—92 "General Specification for RF Fixed and Variable Inductors". 1.2 Scope of Application This specification applies to LGA2Ab410 type fixed inductors used in RF circuits. 1.3. Classification 1.3.1 Type The inductors specified in this specification are \LGA2A0410\ type. Model example: 0410-R22 Fixed inductor Axial lead Environmental level and maximum operating temperature category Dimensions (outer diameter × length) Nominal inductance code 1.3.2 Level The inductors specified in this specification are Class 2: moisture-resistant inductors. 1.3.3 Category The inductors specified in this specification are Class A: 105℃. 2 Referenced documents SJ20037-92 General specification for RF fixed and variable inductors 3 Requirements The Ministry of Electronics Industry of the People's Republic of China Issued on September 30, 1994 and implemented on December 1, 1994 3.1 See Figure 1 for the structure and dimensions. 3.5.3 Weight ≤0.45g. 3.12 Electrical properties SJ20037.1—94 Figure 1 Structure and dimensions of inductor The initial values of inductance value, allowable inductance deviation, Q value, DC resistance, self-resonant frequency and rated DC current shall comply with the provisions of Table 1. After the relevant tests, the final values of inductance value, Q value, DC resistance and self-resonant frequency shall comply with the provisions of Table 2. Electrical properties (initial value) Inductance value Inductance value Inductance value Allowable deviation Test frequency Self-resonant frequency True current resistance Rated DC Inductance value Inductance value Identification inspection Quality consistency inspection Group 1 Group 2 Group 3 3.13 Temperature rise AT≤15℃. 3.27 Mark Inductance Allowable deviationbZxz.net SJ20037.194 Continued Table 1 Test frequency Table 2 Electrical properties (final value) Allowable change (Compared with initial value) Inductance DC resistance ±(5%+0.001Q ) ±(3%+0.001Q) Self-resonant frequency DC resistance Allowable variation% Rated DC (Compared with the specified minimum value) Self-resonant frequency SJ20037.194 The inductance value shall be marked on the inductor, and its value shall be represented by color code (see Appendix A) or digital (see Appendix B). .4 Quality Assurance Provisions 4.7 Inspection Method Except for the following supplementary provisions, the inspection method shall comply with the provisions of SJ20037. 4.7.4 Low pressure (when applicable) b. Test pressure level C, test time 1h. 4.7.12 Terminal strength 4.7.12.2 Torsion Not adopted. 4.7.12.3 Bending Test condition C, applied load 7.5 N. 4.7.14 Low temperature storage The test temperature shall be -55-°C. 4.7.15.1 High frequency vibration b. Test condition A. SJ20037.1-94 Appendix A LGA2A0410 type fixed inductor color code marking method (supplement) The first digit The second digit Value (μH) SJ20037.1-94 Appendix B LGA2A0410 type fixed inductor nominal inductance value digital representation (supplement) A1 The nominal inductance value is expressed by digital, with 3 digits. The first 2 digits represent the two significant digits of the nominal inductance value, the third digit represents the number of 0s after the significant digit, and the decimal point is represented by R. Example: Additional Notes: This specification is under the jurisdiction of China Electronics Standardization Institute. This specification was drafted by Changzhou Radio Component Factory No. 6. The main drafters of this specification are Li Yingjuan, Zhang Huasheng, and Dai Keyong. Project code: B22007. 220μH 1000μH 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.