ZH8525 Bayonet Circular Connectors (26482 Series II Type)
26482 Series II type · bayonet · to +200 °C
YB II Crimp Bayonet Connectors (26482 Series II Type)
26482 Series II type · crimp · mates with ZH8525
YB II connectors are crimp-contact bayonet connectors built to GJB 598A Series II (MIL-DTL-26482 Series II type). They are small, dense and fluid resistant, and mate with ZH8525 connectors of the same arrangement. L versions run to +200 °C with nickel finish; W versions to +175 °C with cadmium.
- Coupling
- Bayonet
- Contact sizes
- 20, 16, 12 (7.5–23 A)
- Temperature
- −55 to +200 °C (L)
- Working voltage
- 600 / 1000 V
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Key features
- Built to GJB 598A Series II, MIL-DTL-26482 Series II type
- Removable crimp contacts, AWG 12 to 24
- Mates with ZH8525 connectors of the same layout
- Fluid and ozone resistant
- L versions to +200 °C (nickel), W versions to +175 °C (cadmium)
Specifications
| Parameter | Value | Condition |
|---|---|---|
| Withstanding voltage, condition I | 1500 / 375 V | Sea level / 21,336 m |
| Withstanding voltage, condition II | 2300 / 500 V | Sea level / 21,336 m |
| Working voltage, condition I | 600 / 300 V | Sea level / 21,336 m |
| Working voltage, condition II | 1000 / 450 V | Sea level / 21,336 m |
| Insulation resistance | ≥ 5000 MΩ / ≥ 500 MΩ | 25 °C / 200 °C |
| Parameter | Value | Condition |
|---|---|---|
| Operating temperature | −55 to +200 °C / −55 to +175 °C | L / W versions |
| Humidity | 94 ± 4 % at +65 °C | |
| Low pressure | 101 to 0.8 kPa | |
| Salt spray | 48 h (L) / 500 h (W) | |
| Ozone | 100–150 ppm, 2 h |
GJB 598A Series II — Chinese counterpart of MIL-DTL-26482 Series II.
Parameters not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing.
Contact sizes and current ratings
| Contact size | Engaging diameter | Contact resistance | Current rating | Wire size |
|---|---|---|---|---|
| 20 | 1.0 mm | ≤ 7.4 mΩ | 7.5 A | AWG 20–24 (0.2–0.5 mm²) |
| 16 | 1.6 mm | ≤ 3.8 mΩ | 13 A | AWG 16–20 (0.5–1.25 mm²) |
| 12 | 2.4 mm | ≤ 2.2 mΩ | 23 A | AWG 12–14 (2.0–3.15 mm²) |
Typical applications
- Industrial control and instrumentation
- Rail and transit electronics
- Communication and radio equipment
- Test equipment
Frequently asked questions
Which wires fit YB II contacts?
Size 20: AWG 20–24; size 16: AWG 16–20; size 12: AWG 12–14. Insulation OD 1.02–4.01 mm by size.
Related series
YB I Solder Bayonet Connectors (26482 Series I Type)
26482 Series I type · solder · bayonet
From sample to production
Send your requirements
Part number, drawing, pin-out or a short description of your application.
Configuration and quote
Our engineers match the configuration and reply with a drawing and quotation.
Samples
Samples are built to order. The minimum order quantity is 10 pieces, and samples and production orders each take 4–8 weeks. Third-party testing to your specification is available on request.
Your approval
You test the samples in your own equipment and approve them.
Series production
Production follows the approved sample configuration, with machining, molding, plating and assembly in our own Shenyang factory.
Need a quote or a drawing?
Send your part number, pin-out or drawing. Every inquiry is acknowledged by email within 1 business day, and an engineer follows up with a matched configuration, drawing or quotation.
YB IIRequest a quote