9W4 d connector

2 month ago

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Dongguan Pandi Electronic Technology Co., Ltd.

5 month

Product details

The 9W4 is a hybrid RF d connector. Its naming denotes 9 total contact positions, of which 4 are 50Ω RF coaxial contacts and the remaining 5 are standard signal / high-current contacts. This compact integrated interface combines RF high-frequency signals, power, and control signals in a single unit, effectively solving the challenges of multi-signal transmission and space-constrained equipment designs.

Traditional solutions require separate D-Sub signal interfaces and SMA RF jacks, occupying significant chassis panel and PCB real estate. The 9W4 integrates four RF channels and multiple control pins into a standard DB9-sized housing, enabling simultaneous transmission of high-frequency RF, power, and digital signals through a single connector — greatly simplifying cabling and assembly processes. Pandi's 9W4 RF d sub connector is recognized in the industry for their low contact resistance and long service life, consistently earning customer trust.

Key Advantages of the 9W4 RF D-Sub Connector

1. Highly Integrated, Space-Saving

Replaces the traditional "DB9 + four SMA" dual-connector solution with a single interface. Requires only a standard D-Sub panel cutout, reducing PCB footprint by over 60%. Ideal for compact and miniaturized equipment.

2. RF Isolation, Clean Signal Integrity

Four independent coaxial contacts feature individual metal shielding tubes, providing physical isolation between RF signals and low-frequency control signals. This eliminates crosstalk and ensures signal integrity for 5G RF and test instrumentation applications.

3. Rugged, All-Environment Design

Features thick gold-plated machined contacts, metal shielding shell, and threaded locking mechanism. Resistant to vibration, extreme temperatures, and salt spray. Waterproof variants are available for outdoor and new energy vehicle (NEV) applications in harsh environments.

4. Flexible Configurations for Multiple Scenarios

Available in male/female, solder/wire-wrap, PCB right-angle/straight, and standard/waterproof versions. Current ratings can be customized per contact to suit cable harness assembly and OEM equipmentproduction.

5. Standardized Universal Housing

Uses industry-standard D-Sub shell dimensions — no need to redesign panel cutouts, making upgrades cost-effective and low-risk.

Basic Electrical Performance – 9W4 RF D-Sub Connector

Parameter Specification

RF Impedance 50Ω standard (75Ω optional)

VSWR / Return Loss ≤ -15 dB up to 1 GHz

RF Contact Current 5A per RF pin

Signal Contact Current 5A standard; up to 40A for high-current custom versions

Rated Voltage 250V (standard); 500V (waterproof high-current)

Dielectric Withstanding Voltage 750–1000V AC

Contact Resistance (RF pins) ≤ 15 mΩ

Insulation Resistance ≥ 2000 MΩ @ 500V DC

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Dongguan Pandi Electronic Technology Co., Ltd.

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5 month

Main Product: waterproof d sub connector, d connector, d-sub pin connector, d sub connector housing, Connector terminals, D Sub Waterproof Connector

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