Detail of GB/T 6346.1-2024

Introduction of GB/T 6346.1-2024

GB/T 6346.1-2024 Fixed capacitors for use in electronic equipment - Part 1: Generic specification 1 Scope This document establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications of electronic components for quality assessment or any other purpose. It is a generic specification and is applicable to fixed capacitors for use in electronic equipment. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2421-2020 Environmental testing - Part 1: General and guidance (IEC 60068-1:2013, IDT) ISO 3 Preferred numbers - Series of preferred numbers Note: GB/T 321-2005, Preferred numbers - Series of preferred numbers (ISO 3:1973, IDT) IEC 60062 Marking codes for resistors and capacitors Note: GB/T 2691-2016, Marking codes for resistors and capacitors (IEC 60062:2004, IDT) IEC 60063 Preferred number series for resistors and capacitors Note: GB/T 2471-2024, Preferred number series for resistors and capacitors (IEC 60063:2015, IDT) IEC 60068-2-1 Environmental testing - Part 2-1: Tests - Tests A: Cold Note: GB/T 2423.1-2008, Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold (IEC 60068-2-1:2007, IDT) IEC 60068-2-2 Environmental testing - Part 2-2: Tests - Tests B: Dry heat Note: GB/T 2423.2-2008, Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat (IEC 60068-2-2:2007, IDT) IEC 60068-2-6 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) Note: GB/T 2423.10-2019, Environmental testing - Part 2: Tests methods - Test Fc: Vibration (sinusoidal) (IEC 60068-2-6:2007, IDT) IEC 60068-2-13 Environmental testing - Part 2-13: Tests - Test M: Low air pressure Note: GB/T 2423.21-2008, Environmental testing for electric and electronic products - Part 2: Test methods - Test M: Low air pressure (IEC 60068-2-13:1983, IDT) IEC 60068-2-14 Environmental testing - Part 2-14: Tests - Test N: Change of temperature Note: GB/T 2423.22-2012, Environmental testing - Part 2: Tests methods - Test N: Change of temperature (IEC 60068-2-14:2009, IDT) IEC 60068-2-17 Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing Note: GB/T 2423.23-2013, Environmental testing - Part 2: Tests methods - Test Q: Sealing (IEC 60068-2-17:1994, IDT) IEC 60068-2-20 Environmental testing - Part 2-20: Tests - Test Ta and Tb: Test methods for solderability and resistance to soldering heat of devices with leads Note: GB/T 2423.28-2005, Environmental testing for electric and electronic products - Part 2: Test methods - Test T: Soldering (IEC 60068-2-20:1979, IDT) IEC 60068-2-21 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices Note: GB/T 2423.60-2008, Environmental testing for electric and electronic products - Part 2: Test methods - Test U: Robustness of terminations and integral mounting devices (IEC 60068-2-21:2006, IDT) IEC 60068-2-27 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock Note: GB/T 2423.5-2019, Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock (IEC 60068-2-27:2008, IDT) IEC 60068-2-30 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) Note: GB/T 2423.4-2008, Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h+12 h cycle) (IEC 60068-2-30:2005, IDT) IEC 60068-2-45:1980+A1:1993 Basic environmental testing procedures - Part 2-45: Tests - Test XA and guidance: Immersion in cleaning solvents IEC 60068-2-45:1980/AMD1:1993 Note: GB/T 2423.30-2013, Environmental testing - Part 2: Test methods - Test XA and guidance: Immersion in cleaning solvents (IEC 60068-2-45:1980+A1:1993, IDT) IEC 60068-2-58 Environmental testing - Part 2-58: Tests - Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD) IEC 60068-2-67 Environmental testing - Part 2-67: Tests - Test Cy: Damp heat, steady state, accelerated test primarily intended for components Note: GB/T 2423.50-2012, Environmental testing - Part 2: Test methods - Test Cy: Damp heat, steady state, accelerated test primarily intended for components (IEC 60068-2-67:1995, IDT) IEC 60068-2-69 Environmental testing - Part 2-69: Tests - Test Te/Tc: Solderability testing of electronic components and printed boards by the wetting balance (force measurement) method IEC 60068-2-78 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state Note: GB/T 2423.3-2016, Environmental testing - Part 2: Testing methods - Test Cab: Damp heat, steady state (IEC 60068-2-78:2012, IDT) IEC 60068-2-82:2019 Environmental testing - Part 2-82: Tests - Test Xw1: Whisker test methods for components and parts used in electronic assemblies IEC 60294 Measurement of the dimensions of a cylindrical component with axial terminations Note: GB/T 5076-1985, Measurement of the dimensions of a cylindrical component having two axial terminations (IEC 60294:1969, MOD) IEC 60695-11-5 Fire hazard testing - Part 11-5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance Note: GB/T 5169.5-2020, Fire hazard testing for electric and electronic products - Part 5: Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance (IEC 60695-11-5:2016, IDT) IEC 60717 Method for the determination of the space required by capacitors and resistors with unidirectional terminations Note: GB/T 5078-1985, Method for the determination of the space required by capacitors and resistors with unidirectional terminations (IEC 60717:1981, MOD) IEC 61249-2-7 Materials for printed boards and other interconnecting structures - Part 2-7: Reinforced base materials clad and unclad - Epoxide woven E-glass laminated sheet of defined flammability (vertical burning test), copper-clad 3 Terms and definitions For the purposes of this document and the subordinate specifications, the following terms and definitions apply. Note: They have been listed in alphabetical order. 3.1 AC capacitor capacitor designed essentially for application with alternating voltages 3.2 bipolar capacitor capacitor designed to withstand an alternating voltage and/or reversal of the applied direct voltage 3.3 category of passive flammability category indicating the maximum burning time after a specified time of flame application 3.4 category temperature range ambient temperature range for which the capacitor has been designed to operate continuously Note: The temperature range is limited by the lower category temperature (see 3.10) and the upper category temperature (see 3.41). 3.5 category voltage UC maximum voltage that can be applied continuously to a capacitor at its upper category temperature (3.41) 3.6 DC capacitor capacitor designed essentially for application with direct voltage Note: It may not be suitable for use on AC supplies. 3.7 family group of components which predominantly displays a particular physical attribute and/or fulfils a defined function 3.8 grade additional general characteristic concerning the intended application of the component

Contents of GB/T 6346.1-2024