Ultra-Miniature Circular Connectors, OHS Series
These ultra-miniature circular connectors, (also referenced as ОНЦ-БС-1 (2)) are used for AC and DC electrical connections in compact electronic equipment. They have a bayonet quick-lock design that ensures stable mating in tight installation spaces and fits compact devices that require reliable electrical interconnection.
Specifications
| Contact Resistance | ≤ 5 mΩ |
| Insulation Resistance | ≥ 1000 MΩ |
| Operating Temperature | -60 °C to +85 °C |
| Vibration | 1 to 5000 Hz, 20 g |
| Mechanical Shock | Single: 1000 g peak Repetitive: 100 g peak |
| Contact Diameter | Ø1.0 mm |
| Mating cycles | 250 cycles |
| Operational Life (Continuous) | 5000 hours |
| Standards | БРО.364.030ТУ |
Electrical Specifications by Shell Size
| Shell Size | Number of Contacts | Current per Contact (A) | Total Current Rating (A) | Operating Voltage (V) |
| Size 10 | 4 | 3.7 | 15 | 250 |
| Size 12 | 7 | 3.1 | 22 | 250 |
| Size 14 | 10 | 3.0 | 30 | 250 |
| Size 18 | 19 | 2.1 | 40 | 250 |
| Size 22 | 32 | 1.8 | 60 | 250 |
| Size 27 | 50 | 1.5 | 75 | 250 |
Features
- Stable electrical performance with low contact resistance and high insulation resistance for reliable operation
- Thanks to their strong resistance to vibration and mechanical shock, they can be used in temperatures from -60℃ to +85℃.
- Available in flexible configurations with different shell sizes and contact layouts to match various AC and DC electrical connection needs.
- Long service life with 250 mating cycles and up to 5000 hours of continuous operation.
- Quick bayonet locking system and easy wiring design with straight plastic rear termination for fast assembly and maintenance.
High Wood works with customers across Asia, Europe, the Americas, and other international markets, building long-term partnerships with more than 200 companies worldwide, including Klemsan (Turkey), CPE (Italy), and SUNGJIN (Korea). Backed by over 10 years of experience in the connector industry, we have an R&D team that focuses on practical engineering work, from electrical connector design and structural optimization to detailed drawings, helping customers move smoothly from development to mass production.