MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ

Place of Origin China
Brand Name HIGH WOOD
Certification AS9001
Model Number D38999/20WC35PN
Minimum Order Quantity 100pcs
Price 10$-150$
Packaging Details Standard export package
Delivery Time 2-9weeks
Payment Terms T/T, L/C, Western Union
Supply Ability 100,000pcs per month

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Product Details
Plating Olive Green Cadmium Plating Type Of Connector Jam Nut Receptacle
Endurance 500 Cycles Type Of Contact Crimp Pin
Insulator Thermo-set Plastic Contact Copper Alloy With Gold Plated
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Product Description

D38999/20WC35PN

This series of round connectors, compliant with MIL-DTL-38999 III series requirements, adopt Triple-start threaded quick connection, with an anti-loose mechanism, featuring small size, light weight, high-density contacts, EMI/RFI shielding, removable crimp contacts, and anti oblique-mating;

This product has a fireproof shell, a variety of coatings, and vibration performance of high strength under high temperature, suitable for use in harsh sandstorm and damp circumstances.the material of shell is optional in aluminum-alloy, naval brass, stainless steel or composite.

 

How to order: 

D38999/ 20 W B 35 P N
Basic series            
Type of connector
20 = Square flange receptacle
24 = Jam nut receptacle
26 = Shielding plug
Finish
W = Olive green cadmium plating
F = Electroless nickel plating
T = Marine Bronze (copper aluminium alloy)
K = Stainless steel passivated
L = Black anodized
J = Composite material + W
M = Composite material + F
Shell size
09 (A), 11 (B), 13 (C), 15 (D), 17 (E), 19 (F), 21 (G), 23 (H), 25 (J)
Contact layout (See below)
Type of contact
P = Crimp pin
S = Crimp socket
PL = Long PCB pin
PC = Short PCB pin
SL = Long PCB socket
SC = Short PCB socket
Orientation
N = Normal
A, B, C, D = Alternative

 

Product pictures:

MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 0MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 1MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 2MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 3

MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 4

 

 

Shell size:

Shell No. A (max)

B

(max)

C

(max)

D Thread E F G H J d1 (min) d2 (min)
09 20.90 10.60 2.50 M12*1-6g 23.80 18.26 15.09 3.25 5.49 16.66 13.11
11 20.90 10.60 2.50 M15*1-6g 26.20 20.62 18.26 3.25 4.93 20.22 15.88
13 20.90 10.60 2.50 M18*1-6g 28.60 23.01 20.62 3.25 4.93 23.42 19.05
15 20.90 10.60 2.50 M22*1-6g 31.00 24.61 23.01 3.25 4.39 26.59 23.01
17 20.90 10.60 2.50 M25*1-6g 33.30 26.97 24.61 3.25 4.93 30.96 25.81
19 20.90 10.60 2.50 M28*1-6g 36.50 29.36 26.97 3.25 4.93 32.94 28.98
21 20.10 11.40 3.20 M31*1-6g 39.70 31.75 29.36 3.25 4.93 36.12 32.16
23 20.10 11.40 3.20 M34*1-6g 42.90 34.93 31.75 3.91 6.15 39.29 34.93
25 20.10 11.40 3.20 M37*1-6g 46.00 38.10 34.93 3.91 6.15 42.47 37.69

 

 

 

Electrical:

Contact resistance and current rating:

Contact ID Diameter (mm) Resistance (mΩ) Current (A)
22D# Φ 0.76 ≤ 12.0 5.0
20# Φ 1.00 ≤ 5.0 7.5
16# Φ 1.60 ≤ 2.5 13.0
12# Φ 2.40 ≤ 1.5 23.0
10# Φ 3.15 ≤ 1.0 40.0

 

 

EMI shielding:

At 1GHz: minimum attenuation 85dB (F and W) At 10GHz: minimum attenuation 65dB (F)

At 10GHz: minimum attenuation 50dB (W)

 

Withstanding voltage (V):

Service rating M I II N
Sea level 1300 1800 2300 1000
21000m 800 1000 1000 600

 

Insulation resistance:

Normal ≥ 5000 MΩ, damp heat ≥ 100 MΩ Electrical continuity between shells:

W class ≤ 2.5 mΩ, F class ≤ 1.0 mΩ, K class ≤ 5.0 mΩ

Mechanical:

Shell: Aluminum alloy, stainless steel or copper-alloy Plating:

W class: Olive green cadmium plating K class: Stainless steel passivated

F class: Electroless nickel plating

Insulator: Thermo-set plastic

Grommet and seal: Silicon rubber

Contact: Copper alloy with gold plated

Endurance: 500 cycles

Vibration:Sine: 60g, with temperature cycling and simulated accessory (36 hours)

Random: 44.1 grms in high temperature

               49.5 grms in ambient temperature

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

Contact retention:

22D#, 45N 20#, 67N 16#, 111N 12#, 111N 10#, 111N 8#, 111N

Jam nut receptacle (D38999/20):

MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 5

 

Contact layout:

MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 6

MIL-DTL-38999 Series Ⅰ,Ⅱ,and Ⅲ Connectors, D38999/20WC35PN. D38999 Series Ⅰ 7