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MIL-DTL-38999I sereis military circular connector
MIL-DTL-38999I sereis military circular connector

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MIL-DTL-38999I series military circular connector
1. military standard MIL-DTL-38999K
2. soldering or crimping contact

MIL-DTL-38999I series military circular connector

A. Brief Introduction

    This series of connector follows the American military standard MIL-DTL-38999K (Chinese military standard GJB599A). It is designed as bayonet quick connection, small size and scoop-proof design.

B. Specification

1. Contact resistance and current rating: 

contact No.

Diameter (mm)

Resistance (mΩ)

Current (A)

22D#

Φ0.76

≤12.0

5.0

20#

Φ1.00

≤5.0

7.5

16#

Φ1.60

≤2.5

13.0

12#

Φ2.40

≤1.5

23.0

10#

Φ3.15

≤1.0

40.0

2. EMI shielding:

    100MHz~1GHz: minimum attenuation 85dB

    1GHz~10GHz: minimum attenuation 50dB

3. Withstanding voltage (V):

Service rating

M

N

I

     II

Sea level

1300

1000

1800

2300

21000m

800

600

1000

1000

4. Insulation resistance:

    Normal ≥ 5000MΩ, damp heat ≥ 100MΩ

    Electrical continuity between shells:

    Class B ≤ 2.5mΩ, class F ≤ 1.0mΩ, class E ≤ 5.0mΩ

5. Shell:

    Aluminium alloy, stainless steel or copper-alloy

6. Plating:

    B class: Olive green cadmium plating

    E class: Passivated stainless steel

    C class: Anodize

    F class: Electroless nickel plating

7. Insulator:

    Thermo-set plastic

8. Grommet and seal:

    Silicon rubber      

9. Contact:

    Copper alloy gold plated, crimp or PCB

10. Endurance:

    500 cycles

11. Vibration:

    Sinusoid vibration: frequency: 10~2000Hz, acceleration: 294m/s2

    Random vibration: at frequency: 100~1000Hz, density of power chart: 1G2/Hz

12. Shock:

    At 3 ms half sinusoid, peak value of acceleration: 300g

13. Operating temperature:

    B class:  -65oC ~ +175oC 

    C, E, F class:  -65oC ~ +200oC

14. Salt spray:  

     B, E class   500h

     F class   48h

15. Relative humidity: 98% at 40oC

16. Operating height: ≤ 30480m

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