A complete range of space saving miniature connectors with all of the
features and capabilities of D38999 for harsh applications.
A compact and complete solution
Diameter up to 45% smaller than size 9 (D38999).
Up to 50% shorter.
Threaded, break away and bayonet coupling.
With #26 contacts (in accordance with 39029).
5 layouts (size 3, 5 and 7 with #22 & #26).
Designed to meet D38999 requirements.
IP67 sealing when mated.
Scoop proof.
Available in zinc nickel (RoHS) plating, as well as
nickel and olive drab cadmium.
Cost and space saving.
Not QPL registered.
A high density solution
Excellent features
RoHS and Cadmium free
Integrated backshell
Connection Technologies
8DA, 8BA & 8LTA Series
micro38999: smaller & more compact than D38999
#22D
Ø 0.76mm
Previously the smallest size available
D38999 Series III (8D) Size 9
p
om
C
Sh
act
e
ll
Now even
SMALLER !
Con
tac
tS
ize
#26
Ø 0.5mm
Conta
ct
Pitc
h
2.28
mm
1
.7
mm
ength
hor ter l iameter
50%
s aller d
33%
sm lighter
3
times roof
Scoop p +1 5°C
7
55°C to
-
A wide miniature 38999 product ranges
Threaded coupling
►
8DA
Break away
►
8BA
Bayonet coupling
►
8LTA
8DA5/8DA6
Plug
8BA6
Plug
8LTA6
Plug
8DA1
In line receptacle
8DA7
Jam nut receptacle
8LTA1
In line receptacle
8LTA7
Jam nut receptacle
8BA1
In line receptacle
8BA7
Jam nut receptacle
8DA0
Square flange
receptacle
8LTA0
Square flange
receptacle
8LTA2
Oval flange
receptacle
2
8DA, 8BA & 8LTA Series
Description
• A compact solution
- The smallest connector available on the
market (shell size 3)
- Miniaturization of MIL-DTL-38999 Series III
- Integrated backshell:
. Easy to wire and handle
. Compatible with heat shrink boot and
braid retention band
. Compliant with overmolding
• A versatile solution
- 3 shells sizes: 3, 5, 7
- 3 materials, 3 platings
- Crimp & PC tails
- Removable contacts #22D & #26
- 6 keyings
• Harsh environment-resistant solution
- Scoop Proof
- Cavity to cavity sealed with interfacial seal
and grommet
- Fluid resistant
Technical Features
Mechanical
• Shell:
Aluminum alloy
Passivated stainless steel (for size 5 & 7)
• Shell plating:
Aluminum:
. Zinc nickel (RoHS)
. Nickel (RoHS)
. Olive drab cadmium
Passivated stainless steel (RoHS)
Composite (8LTA size 7 only)
• Insulator:
Thermoplastic
• Contact body:
Copper alloy
• Contacts plating:
Gold over nickel plated
• Shell endurance:
Aluminum:
500 mating/unmating cycles
Passivated stainless steel:
1000 mating/unmating cycles
• Vibration:
8DA: 44 grms, 2 axes during 8 hours
8BA & 8LTA: 30 grms, 2 axes during 8 hours
• Shock:
300g, 3 ms
Electrical
• Wire size
Layout
03-05
03-35
05-06
05-35
07-09
07-35
Wire (AWG)
24-30
22-28
24-30
22-28
24-30
22-28
Environmental
• Temperature range:
-55°C to +1
75°C
• Water immersion:
IP 67 on mated connector
1 meter for 30 min minimum
> IP68 with appropriate cable termination
• Salt spray:
Zinc nickel: 500 hours
Nickel: 48 hours
Olive drab cadmium: 500 hours
Passivated stainless steel: 500 hours
• Test voltage (at sea level):
Size 22D: 1000 Vrms
Size 26: 400 Vrms
• Contact resistance:
Size 22D: <1
4.6 mΩ
• Contact rating:
Size 22D: 5A
Size 26: <16 mΩ
Resistance to fluids
• According to MIL-DTL-38999 standard
Gasoline: JP5 (OTAN F44)
Mineral hydraulic fluid: MIL-H-5606
(OTAN H51
5)
Synthetic hydraulic fluid: Skydrol 500 B4
• Compatible with de-icing fluids containing
potassium acetate
Size 26: 3A
• Contact retention:
Size 22D: 45N Size 26: 30N
• Shell to shell continuity (typical value)
Series
8DA &
8BA
8LTA
Shell
Stainless
Aluminum
size
steel
3
5, 7
3, 5, 7
NA
10 mΩ
250 mΩ
NA
60 mΩ
250 mΩ
• EMI:
8DA & 8BA:
. Aluminum: -70 dB @ 1GHz
. Stainless steel: -55 dB @ 1Ghz
8LTA: -55 dB @ 1Ghz
3
8DA, 8BA & 8LTA Series
Contact layouts
03
05
35
05
06
35
07
09
35
5#26
Note: For information only.
3#22D
6#26
3#22D
9#26
5#22D
Ordering information
Basic Series:
8DA:
Threaded coupling
8BA:
Break away
8LTA:
Bayonet coupling
Shell type:
0:
Square flange receptacle (8DA & 8LTA only)
1:
In line receptacle
2:
Oval flange receptacle (8LTA only)
5:
Plug with EMI ring (8DA only - size 5 & size 7)
6:
Plug
7:
Jam nut receptacle
Shell size: 03 - 05 - 07
Plating :
Z:
Black zinc nickel
F:
Nickel
W:
Olive drab cadmium
K:
Passivated stainless steel (except for size 3)
Contact layouts:
See above
Contact type:
P:
Pin
(8DA shell size 3 scoop proof only when pin contacts mounted in Type 6)
S:
Socket
(8DA shell size 3 scoop proof only when socket contacts mounted in Types 0, 1 or 7. 8BA scoop proof only when socket contacts mounted in Type 1 & Type 7)
Orientation: N, A, B, C, D, E
Note: PC Tail version available, please consult SOURIAU «micro38999» catalog.
- All information in this document presents only general particulars and shall not form part of any contract. All rights reserved to SOURIAU for changes without prior notification or public announcement. Any duplication is prohibited, unless approved in writing.
Experts, please tell me about the use of ESP32, Micropython serial port send write():
The sending requirement is: to send 5 elements in list LL starting from index 0, that is, to send the 5 elements L...
I've recently fallen in love with the peripherals of stm8l, 12bit AD DA, DMA, RTC, LCD DRV, but it's a pity that it's hard to buy a development board....
This book is easy to understand and can be understood by anyone with a basic knowledge of high school mathematics. It combines a large number of cases and comics to relate highly abstract mathematics,...
Purpose of dual-port RAM: Data buffering. If the port clocks of RAM input and output are different, dual-port RAM can be used to buffer the clock to achieve the purpose of clock matching. If the input...
The above one is dual power supply. The following one is single power supply. Let's analyze the function of each component. In these two pictures, each component is not redundant.[[i] This post was la...
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
introduction
Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
The evolution of high-speed networks remains guided by the same core objectives: increasing data rates, reducing latency, improving reliability, lowering power consumption, and maintaining or exten...[Details]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[Details]
Electronics engineers all know that transient voltage suppression (TVS) diodes are used to protect ports, preventing damage to downstream circuits caused by transient voltage surges. In short, TVS ...[Details]
Most electric vehicles currently lack a gearbox, only a single-speed reduction gearbox. This includes Teslas, but that doesn't mean electric vehicles don't need a gearbox. Thanks to the constant to...[Details]
Imagine you're trying to turn left onto a busy road. Car after car passes in front of you, and the long wait grows increasingly frustrating. Finally, a gracious driver slows down and makes room for...[Details]
Due to limitations in size, weight, and cost, most continuous-wave radar seekers use single-antenna technology. Insufficient isolation between the transmitter and receiver causes the transmitted si...[Details]
On August 14th, Zhiyuan
Robotics
officially
open-sourced
its world model, GenieEnvisioner (GE), unveiled in July
, and once again promoted the concept of "the industry's first world ...[Details]
MicroPython Open Source section
京公网安备 11010802033920号
EEWORLD
