49.025.05 黑色金属合金综合 标准查询与下载

ECA 186-2E-1978 无源电子元件测试.方法2:潮湿抵抗性循环

This test is intended to evaluate in an accelerated manner, the resistance of component parts to deterioration resulting from high humidity and heat conditions typical of tropical environments.

Passive Electronic Component Parts, Test Methods for; Method 2: Moisture Resistance (Cycling)

ECA 186-5E-1978 无源电子元件测试.方法5:盐雾腐蚀

The salt spray test is performed for the purpose of determining the adequacy of protective coatings or finishes, and has been widely used to evaluate the resistance of metals to corrosion in marine service or in exposed shore.locations. This test has prov

Passive Electronic Component Parts, Test Methods for; Method 5: Salt Spray (Corrosion)

ECA 380-A-1978 电子连接器的小型接触标准

This Standard is intended to be a guide to the selection of contact dimensions and tolerances in the early design phase of an electrical connector.

Electrical Connectors, Small Contact Standard for

ECA 186-7E-1978 无源电子元件测试.方法7:振动疲劳测试(低频,10到55 Hz)

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 7: Vibration Fatigue Test (Low Frequency, 10 to 55 Hertz)

ECA 186-E-1978 无源电子元件测试方法.一般指导和测试索引

This Standard establishes uniform methods for testing electronic component parts. In case of conflict between this Standard and any individual component standards or detail specifications, the requirements of the individual component standard or detail sp

Passive Electronic Component Parts, Test Methods for; General Instructions and Index of Tests

ECA 407-A-1978 EIA/NARM标准:电子和电子设备的继电器的测试程序

This standard provides procedures for inspecting and testing trical, and environmental requirements of individual relay specifications.

Testing Procedures for Relays for Electrical and Electronic Equipment

ECA 186-9E-1978 无源电子元件测试.方法9:焊锡性

This standard defines a test for solderability of solid lead wires, terminals, and conductive accessories of component parts which are to be joined b a soldering operation involving the use of rosin type wires not greater than 0.045 inch (1.14 mm) in diam

Passive Electronic Component Parts, Test Methods for; Method 9: Solderability

ECA 186-6E-1978 无源电子元件测试.方法6:终端的机械鲁棒性

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 6: Mechanical Robustness of Terminals

ECA 186-3E-1978 无源电子元件测试.方法3:湿度稳定状况的容器

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 3: Humidity (Steady State-Sealed Container)

ECA 186-4E-1978 无源电子元件测试.方法4:电介质测试(耐压)

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 4: Dielectric Test (Withstanding Voltage)

ECA 186-10E-1978 无源电子元件测试.方法10:焊接影响

This test is performed to determine the effect of normal soldering operations on component parts.

Passive Electronic Component Parts, Test Methods for; Method 10: Effect of Soldering

ECA 186-13E-1978 无源电子元件测试.方法13:绝缘电阻测量

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 13: Insulation Resistance Test

ECA 186-12E-1978 无源电子元件测试.方法12:热寿命

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 12: Heat-Life Test

ECA 186-11E-1978 无源电子元件测试.方法11:空气中的冷热冲击

This Test Method forms a part of the EIA Standard RS-186 which contains test guidance, definitions and standard test conditions.

Passive Electronic Component Parts, Test Methods for; Method 11: Thermal Shock in Air

ECA 186-1E-1978 无源电子元件测试.方法1:湿度稳定状态

This test is intended to evaluate the effect of absorption and diffusion of moisture and moisture vapor on component parts. The test in an artificial environmental test, accelerated to shorten the testing time.

Passive Electronic Component Parts, Test Methods for; Method 1: Humidity (Steady State)

ECA TEP 189-1974 电子管放射能微居里计算

Radioactive isotopes are, on occasion, intentionally added by manufacturers of electron tubes to improve tube performance may be required to determine the total radioactivity in microcuries per tube (pc/tube) to comply with existing Federal regulations. I

Electron Tube Radioactivity Calculations in Microcuries/Tube

ECA 197-A-1973 电子设备的功率过滤器感应器

This Standard covers iron-core. power filter inductors for use in electronic equipment where long life,reliability and continuity of operation are essential.

Power Filter Inductors for Electronic Equipment

ECA TEP 170-1972 微波电子管X射线探测和测量的推荐做法

The demand for higher power output from microwave tubes has lead the tube designer to the use of higher voltages and currents to achieve these demands and currents makes it possible for the device to generate unwanted x-radiation.The use of high voltages

X-Radiation Detection and Measurements for Microwave Tubes, Recommended Practice on

ECA 369-1969 小型IF防护物(75英寸,正方形)

Cross-section-The cross-section shall be square 0.750” tr .005” measured inside.

Midget I.F. Shields (.75 inch Square) (Reaffirmation of REC-144)

ECA 305-1965 显示器存储管术语

The nomenclature and symbols listed below refer to a generalized tube of the display storage type as shown in the accompanying diagram.

Display Storage Tube Nomenclature