GJB598 II Series (MIL-DTL-26482 II Series) Circular Electric Plug Connector

Product Profile

* In conformity with GJB 598 (equivalent to MIL-DTL-26482H) series Ⅱ
* Bayonet-type quick connection;
* Gold-plated crimp-type contact element which can be disassembled
* High-density of contact couples
* RFI (against radio-frequency interference) shielded plug
* The interface of insertion surface is sealed;
* Widely used for all kinds of military and civil applications;

The Main Technical Characteristics

[Mechanical Properties]
-- Shell: aluminum alloy
-- Coating:
A type   Black anodizing, non-conductive shell
L type   Chemical nickel plating, conductive shell
W type  Army-green cadmium plating, conductive shell
-- Insulator: thermosetting plastics
-- Grommet and sealing ring: silicone rubber material
-- Contact elements: gold-plating copper alloy, crimp-type and detachable
-- Random vibration:
frequency 10~2000Hz
Power spectrum density 1.0 G2/Hz
-- Shock: 3ms half-sine wave
Acceleration peak value 300g
-- Durability: 500 times of swapping (250 times for JY3475 shielded plug)
[Electrical Properties]
-- Contact Resistance and rated current of contact elements:

Specification of Contact Element	Working diameter mm	Contact Resistance mΩ	Rated current A
20#	1.02	≤5	7.5
16#	1.59	≤2.5	13
12#	2.39	≤1.5	23

 

-- Operating voltage, voltage resistance, insulation resistance:

Operating Class *	Operation voltage (V)		Voltage resistance (V)		Insulation Resistance (MΩ)
	Ⅰ	Ⅱ	Ⅰ	Ⅱ	≥5000	≥500
Sea level	600	1000	1500	2300	25℃	200℃
21336m	300	450	375	500	≥5000	≥500

 

* Different arrangement of contact points corresponds to different operating classes. For details see "Key Position"
[Environment Properties]
-- Operating temperature: -55℃~+175℃ (W type); -55℃~+200℃ (A type, L type) 
-- Relative humidity: 94±4% at 65℃
-- Resisting the salt fog: A type: 48 hours; L type: 96 hours; W type: 500 hours;
-- Resisting the radio-frequency interference: frequency 100 to 1000MHz, Leakage attenuation 65~45dB (JY3475 plug)
-- Resisting the liquid: capable of resisting 12 types of liquids (L type) like aviation gasoline, refrigeration oil, and lubricating oil;