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The Ultimate Interconnect Solution for Ultra-Dense PCBs
This specialized RG174 coaxial cable assembly is engineered for seamless integration within high-density electronic systems. Featuring a 10-32 UNF (M5) Microdot Female Jack on one end and a 10-32 UNF Microdot Male Plug on the other, this pigtail jumper acts as a low-profile extension or adapter between two PCB-mounted connectors. Ideal for medical electronics, aerospace subsystems, and high-speed data acquisition boards, it provides a reliable 50 Ohm path for frequencies up to 3 GHz.
Feature | Specification |
Product Type | Microdot Female Jack to Microdot Male Plug |
Interface Standard | 10-32 UNF (M5) |
Cable Model | RG174 / RG174/U |
Impedance | 50 Ohm |
Center Conductor | 20 AWG Solid Copper |
Dielectric | Polyethylene (PE) |
Shielding | 95% Tinned Copper Braid |
Jacket | PVC (Standard), FEP/Silicone options available |
Frequency Range | DC to 3 GHz |
VSWR | ≤ 1.30:1 (Typical) |
Temperature Range | -55°C to +105°C (PVC), -55°C to +200°C (FEP) |
RoHS Status | Compliant |
1. RG174: The Standard for Miniature Coax
RG174 is the industry workhorse for micro-coaxial applications.
Optimal Size: With an outer diameter of just 2.49mm, it fits into the tightest spaces without compromising on signal integrity.
Flexibility: The stranded or solid core options allow for easy routing around components on crowded circuit boards.
2. 10-32 UNF (M5) Microdot Interface
The 10-32 UNF thread is the universal standard for miniature RF connections.
Female Jack (Socket): The female end allows you to plug in another male connector, effectively extending the connection point away from the PCB.
Male Plug (Pin): The male end screws directly into a PCB-mounted Microdot receptacle.
Low Profile: Both connectors are designed to be ultra-low height, minimizing the risk of interference with adjacent components.
3. Versatile Extension & Adapter
This cable serves a dual purpose:
PCB Extension: If a component is too close to the board, this pigtail lifts the connection point.
Board-to-Board: It can connect two parallel PCBs that are vertically stacked.
Medical Electronics: Connecting internal sensors, disposable patient cables, and internal probes in MRI machines or monitoring equipment.
Aerospace & Defense: Wiring in UAV avionics, satellite communication modules, and cockpit instrumentation where weight and space are critical.
High-Speed Data Acquisition: Connecting ADC (Analog-to-Digital Converter) boards or FPGA modules where signal integrity is paramount.
Automotive Electronics: Used in advanced driver-assistance systems (ADAS) and in-vehicle radar testing.
Precision Termination Process:
Laser Trimming: Ensures precise stripping of the jacket and dielectric without nicking the center conductor.
Solder & Crimp: Both ends utilize a gas-tight solder connection for the center conductor and a crimp ferrule for the shield, ensuring low resistance and high durability.
100% Testing: Every single cable is tested on a Vector Network Analyzer (VNA) to verify Return Loss and Insertion Loss metrics.
Traceability:
Each batch is serialized, and test data is archived to meet ISO 9001 standards, providing full traceability for your quality assurance needs.
Standard Packaging: Individually poly-bagged to prevent connector damage.
Labeling: Clear labels indicate cable type, length, and batch code.
Carton: Packed in sturdy export cartons suitable for international shipping (ISTA 3A certified).
Lead Time: Standard lead time is 7-10 working days after order confirmation.
Q1: What is the difference between a Microdot Female Jack and a Male Plug?
A: The Female Jack (Socket) has a threaded hole to accept a male pin. The Male Plug (Pin) has a center pin and external threads to screw into a female jack. This cable connects the two.
Q2: Can I get this cable with a straight configuration instead of right-angle?
A: Yes. While the 90-degree (right-angle) configuration is standard for PCB mounting to save height, we offer Straight (0-degree) configurations for specific housing designs. Please specify your requirement during the inquiry.
Q3: Is RG174 suitable for high-temperature environments?
A: The standard PVC jacket is rated up to 105°C. For high-temperature environments (e.g., engine bays or sterilization processes), we recommend the FEP (Teflon) jacketed version, which is rated up to 200°C.
Q4: What is the minimum order quantity (MOQ)?
A: As an OEM manufacturer, our standard MOQ is 100 pieces. However, we offer sample pricing for prototyping and testing purposes.
This Microdot Female to Male pigtail is the perfect solution for signal routing and extension in the most space-constrained environments. By utilizing the standard 10-32 UNF interface, we ensure compatibility with the vast majority of miniature RF systems, providing a reliable connection that you can count on.
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