YQ2 Series Circular Connector

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  1. Comply with GJB101A-97 (MIL-C-26482)
  2. Bayonet connection, quick insertion and separation, easy to use, can be used interchangeably with similar international products
  3. Receptacle sealed, flanged and nut-mounted
  4. Widely used in circuit connections between various electrical and electronic equipment
  5. Implementing corporate standards: Q/Ag 1.062B-2014


YQ2 series Circular Electrical Connector

Environmental Specifications

Operating temperature -55 to +125°C Sinusoidal Vibration 10 ~ 50 Hz, single amplitude 2 mm

50 Hz ~ 2000 Hz, 196 m/s2

Working pressure 101.3kPa ~ 1.1kPa
Relative humidity 40± 2℃ @ 90% ~ 95% Fungus GJB150.10A, class 2
Mechanical life 500 cycles Shock 392 m/s2, 10 ms
980 m/s2, 3 ms
Rain fall 5 mm/min Hermetic Seal Ordinary Seal≥ 196 KPa
Glass sintering seal ≤1×10-5 Pa.L/s

Electrical specifications

  • Contact resistance and rated current
No. of Contacts 20# 16#
Contact diameter (mm) 1.04 1.61
Rated Current (A) 5 10
Contact resistance (mΩ) Ordinary contacts ≤ 5 ≤ 3
Glass sealing ≤ 15 ≤ 10
  • Rated voltage, withstand voltage and insulation resistance
Working Environment Withstand Voltage (Vrms) Insulation Resistance (MΩ)
Normal Temperature and pressure 1500 ≥ 3000

Glass sealing≥1000

High temperature and humidity 1000

Glass sealing: 500

≥ 20
High temperature ≥ 500
Low air pressure 500

Glass sealing: 250

Mechanical specifications

Housing Material Aluminum alloy and Stainless steel Insulator Material Thermoplastic
Housing Plating Ordinary anodizing for Aluminum alloy

Additional code c: Nickel plated Aluminum alloy

Additional code d: Electropolishing

Contact material/ plating

Copper alloy/Gold plated

Kovar alloy/ Gold plated


Order mark

Basic Series No. YQ2 H a II -18 32 Z J 14 2 e d
Category No. H- glass sealed socket, others not marked
Shell Position No n, a, c, d, e, f, where position n is not marked
Insulator Position No. I, II, III, IV, V, where position I is not marked
Shell No. 08, 12, 14, 16, 18, 20
Contact arrangement 03, 03I, 04, 08, 19, 23, 26, 32, 41
Connector type T-Plug, Z-Receptacle
Contact type J – Pin, K-Socket (Jack)
Mounting type 10-Square Flange 11-Round Flange 14-Nut mounting type
Separator When the socket mounting form and the cable cover form exist at the same time, the Numbers are separated by a separator to distinguish the different meanings represented by the two groups of Numbers; Plug does not have this mark
Cable cover type 1- Nut type, 2- clamped plate type, 3- shielded type, 4- bent type
Contact part end connection form No mark- Soldering cup type, e- PCB type (in this case, separator and cable cover type should be cancelled in the same time)
Additional Code d – the glass sealing socket is made of stainless steel and the common plug socket is made of copper alloy.

c – the shell of common plug socket is aluminum alloy nickel plated; The glass sealing socket is an expansion alloy housing;

The common plug socket is aluminum alloy shell anodized not marked; 120 – connector


YQ2 Contact arrangement