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OHS series bayonet ultra-small connector shell size 10 4 pin male bulkhead socket, PCB terminal – OHS-BC-1-4/10-BL1-1B

SKU: OHS-BC-1-4/10-BL1-1B Category:

• Reduces installation footprint and system weight, optimizing space allocation in high-density PCB architectures.
• Features a rapid-lock mechanism for high-vibration environments, maintaining continuous signal coupling.
• Equipped with male pin contacts for direct wave or hand soldering, simplifying layout routing and internal assembly.
• Provides feed-through positioning across equipment enclosures, maintaining structural shell continuity.
• Delivers a versatile layout for low-voltage power distribution, sensor links, or differential signaling in aerospace platforms.

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OHS Series Bayonet Ultra-Small Connectors

OHS series bayonet ultra-small connectors mainly adopt legacy connector technology. This type of connector is widely used in DC and AC circuits of various electrical, radio and control instruments. It consists of plugs and sockets, with multi-level key positions for installation. The coupling mode of the connector is bayonet type.

Contact Arrangement

Viewed from the mating face of male pins (No position numbers on actual part)

Drawing

Pin / Shell Size D D1 D2 H
4/10 M18×0.75 24 25.4 17
7/12 M20×0.75 25 27.8 19
10/14 M22×0.75 28 31.2 21
19/18 M24×0.75 31 31.2 23
32/22 M30×0.75 35 37.0 29
50/27 M33×0.75 40 41.6 32

 

Alternate Rotations

Mating face view of receptacle
Pin / Shell Size Key Position a1 a2 a3 a4
4/10
7/12		 1# 105° 140° 215° 260°
10/14
19/18
32/22
50/27		 1# 90° 135° 205° 260°
2# 105° 140° 215° 260°
3# 115° 145° 210° 250°

 

Technical Performance

Pin / Shell Size Operating Current (A) Total Current (A)
4/10 3.7 15
7/12 3.1 22
10/14 3.0 30
19/18 2.1 40
32/22 1.8 60
50/27 1.5 75
Shell Size

10
Contact Size

Φ1.0mm
Number of Positions

Connector Type

Contact Type

Male
Shell Material

Aluminum Alloy, anodized
Contact Material

Copper alloy gold/silver plated
Insulator

Bakelite
Maximum current per contact

3.7A
Sum of Currents

15A
Operating Voltage

250
Contact Resistance

≤5MΩ
Insulation Resistance

≥1000MΩ
Number of Insertions and Removals

250
Operating Temperature

-60℃ – +85℃