Detail specification for Type LGA2A0410 fixed inductors

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.

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 deviation
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 Bwww.bzxz.net
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
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