Yw1-20f01-B Yw Series High-Speed Circular Connector for Networking Needs
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YW1-20F01-B Circular Connector, YW1 Series
The YW1-20F01-B is a circular electrical connector designed for aerospace, avionics, and industrial platforms. It belongs to the YW1 series connector family. Note: The YW1 series is a distinct connector standard, separate from MIL-DTL-38999 / GJB599, MIL-DTL-27484 (MS27484), MIL-DTL-27497 (MS27497), MIL-DTL-27508 (MS27508), MIL-DTL-26482 (62GB), JY27466 (GJB), 8D series, Y50 series, YLH series, ZH8525 series, YH3116 series, and SMA RF coaxial connectors, and is not directly form-fit-function interchangeable with any of those connectors unless confirmed by the supplier.
This connector features shell size 20 (approximately equivalent to D38999 shell size G / 21), shell letter F, insert arrangement 01 (confirm exact contact count and type with supplier), and a "B" keying/variant code (confirm exact meaning with supplier). Contact gender is not explicitly indicated in the part number. The design supports EMI shielding and removable crimp contacts.
Product Features
- YW1 series circular connector — confirm exact standard specification with supplier
- NOT directly interchangeable with MIL-DTL-38999 / GJB599 Series III, MIL-DTL-27484 (MS27484), MIL-DTL-27497 (MS27497), MIL-DTL-27508 (MS27508), MIL-DTL-26482 (62GB), JY27466 (GJB), 8D series, Y50 series, YLH series, ZH8525 series, YH3116 series, or SMA RF coaxial connectors unless confirmed by supplier
- Shell size 20 (approximately D38999 shell size G / 21), shell letter F
- Insert arrangement 01 — confirm exact contact count and type with supplier
- "B" keying/variant code — confirm exact meaning with supplier
- Contact gender not explicitly indicated — confirm with supplier
- Conductive shell for EMI shielding and corrosion resistance
Technical Specifications - YW1-20F01-B
| Parameter | Value |
|---|---|
| Part Number | YW1-20F01-B |
| Standard / Series | YW1 series — confirm exact standard with supplier |
| Connector Type | Circular connector (YW1 series — confirm exact type with supplier) |
| Coupling | Confirm coupling type with supplier |
| Shell Finish / Material | Per YW1 series requirements (confirm with supplier for exact finish) |
| Shell Size | 20 (approximately D38999 shell size G / 21) |
| Shell Letter | F |
| Insert Arrangement | 01 (confirm exact contact count and type with supplier) |
| Contact Gender | Confirm contact gender with supplier (not explicitly indicated in part number) |
| Keying / Variant | B - keying/variant code (confirm exact meaning with supplier) |
| Shielding | EMI shielded (conductive shell) |
| Operating Temperature | Per YW1 series specification (confirm with supplier for exact range) |
| Compatible Mating | YW1 series connector of same shell size 20, arrangement 01, opposite contact gender, and compatible keying. NOT compatible with D38999/J599 Series III, MS27484, MS27497, MS27508, 62GB/MIL-DTL-26482, JY27466, 8D, Y50, YLH, ZH8525, YH3116 series, or SMA RF coaxial connectors unless confirmed by supplier. |
Part Number Breakdown
| Segment | Meaning |
|---|---|
| YW1 | Connector series designation (YW1 series) |
| 20 | Shell size 20 (approx. D38999 shell size G / 21) |
| F | Shell letter designator |
| 01 | Insert arrangement 01 (confirm contact layout with supplier) |
| B | Keying/variant code (confirm exact meaning with supplier) |
Related options: YW1-20F01-B with opposite contact gender (confirm part number with supplier); YW1-18F01-B for smaller shell size 18 (approx. D38999 size F / 19); YW1-22F01-B for larger shell size 22 (approx. D38999 size H / 23). Important: YW1 series, SMA RF coaxial, YH3116 series, ZH8525 series, YLH series, Y50 series, 8D series, JY27466 (GJB), MIL-DTL-26482 (62GB), MS27484 (MIL-DTL-27484), MS27497 (MIL-DTL-27497), MS27508 (MIL-DTL-27508), and D38999/J599 (MIL-DTL-38999/GJB599) are separate standards and are NOT form-fit-function interchangeable unless confirmed by supplier. The "B" keying/variant code, contact gender, and exact contact layout for arrangement 01 must be confirmed with supplier.
Compatible Applications
The YW1-20F01-B connector is intended for platforms that require YW1 series compliant interconnects in shell size 20. Typical use cases include:
- Aircraft and helicopter wiring harness interconnects (YW1 series standard)
- Avionics LRUs, radar, and communication equipment
- Ground vehicles and rugged electronic enclosures
- Shipboard and industrial equipment requiring circular connectors
- Programs that standardize on YW1 series interfaces
Selection Guide
| Requirement | Recommended Choice |
|---|---|
| YW1 series, size 20 / shell F / arrangement 01 / B keying | YW1-20F01-B - this product |
| Mating connector (opposite contact gender) | Confirm mating part number with supplier |
| Smaller shell size (18) with same arrangement | YW1-18F01-B |
| Larger shell size (22) with same arrangement | YW1-22F01-B |
Installation Notes
- Verify shell size, insert arrangement, contact gender, and keying before mating. Confirm the meaning of the "B" keying/variant code and contact gender with supplier.
- Use the correct crimp tooling for the contact size specified by arrangement 01 (confirm contact type with supplier).
- Fully engage the coupling mechanism with the mating YW1 series connector until securely seated.
- Mate only with YW1 series connectors of the same shell size, arrangement, opposite contact gender, and compatible keying.
- Do NOT attempt to mate with D38999/J599 Series III, MS27484, MS27497, MS27508, 62GB/MIL-DTL-26482, JY27466, 8D, Y50, YLH, ZH8525, YH3116 series, or SMA RF coaxial connectors — YW1 series is a different standard and is not interchangeable unless confirmed by supplier.
Why Choose YW1-20F01-B
YW1 Series Compliance
Choosing YW1-20F01-B ensures compliance with YW1 series requirements for programs that mandate this specific connector family. The connector geometry supports reliable interconnect for aerospace and industrial systems. Note: this connector is NOT a direct replacement for D38999/J599 Series III, MS27484, MS27497, MS27508, 62GB/MIL-DTL-26482, JY27466, 8D, Y50, YLH, ZH8525, YH3116 series, or SMA RF coaxial parts. Confirm exact specifications, "B" keying/variant meaning, arrangement 01 contact layout, contact gender, and interchangeability with supplier.
Ordering Information
Order by the designation YW1-20F01-B. When requesting a quote, please confirm mating connector part number (opposite contact gender), shell finish, contact plating, "B" keying/variant code meaning, contact gender, exact contact layout for arrangement 01, and required quantity.
