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SMA Connector End Launch Short
Description: SMA, Female, Straight, End Launch (Low), PCB Connector (Brass and SUS), with .007" Pin (Solderless), Apply to Edge Mount PCB , up to 26.5 GHz
● VSWR: 1.30 Max @ 26.5 GHz
● Insertion Loss: ≤ 0.31 dB @ 26.5 GHz
● Mating/unmating Life: ≥ 500 Cycles
● SMA Body Material: Stainless Steel
● Housing Material: Brass
● Contact Pin Material: Becu
Description
Introduction
Hualink high-performance SMA End Launch connectors are designed to provide less reflection up to 26.5 GHz for single-layer and multi-layer printed circuit boards where the high-frequency signal is on the top layer. It's designed into 2 pieces for more stable installation on PCB, solderless design for both grounding and signal make it high-efficiency to install or uninstall, which save a lot of time and cost. Comparing to Standard High Profile version, low profile is more suitable if application limit the space.
Specification
Electrical | |
● Impedance: 50 Ω | ● Insulation Resistance: 1200 MΩ Min |
● Frequency Range: DC – 26.5 GHz | ● Dielectric Withstanding Voltage: 500 Vrms Min (Sea Level) |
● VSWR: 1.30 Max @ 26.5 GHz | ● Contact Resistance: ≤ 3 mΩ (Center Contact) |
● Insertion Loss: ≤ 0.72 dB @ 26.5 GHz | ≤ 2 mΩ (Outer Contact) |
Mechanical | |
● Mateable with 3.5 mm, 2.92 mm, SMK, K Series | ● Center Contact Retention Force: 6 lbs Min |
● Durability: ≥ 500 Cycles | ● Coupling Torque: 7-10 lb-in Recommended |
Environmental | |
● Temperature Range: -55 ℃ to +165 ℃ | |
Material & Finish | |
● Body: Brass and SUS303 | ● Dielectric: Engineering Plastic and PTFE, Natural |
● Center Contact: Beryllium Copper, 30 μ" Gold | |
Features and Benefits
● Good Return Loss
● Low Insertion Loss
● Low RF Leakage
● High Precision
● Excellent Repeatability
Applications
● Optical Module Test
● 5G Test
● High Speed Data RF Test
● RF System Engineering
● Communications
● Aerospace
Outline Drawing

FAQ
1. End Launch Connectors – Installation Procedure
Step 1: Mount the end launch connector on the board in the desired position through 2 holes.
Step 2: Ensure the launch pin is centered on the signal trace of PCB.
Step 3: Ensure the housing is tight against the side face of PCB.
Step 4: Tighten the 1-72 mounting screws until the connector is not moving.
Step 5: Keep PCB and Connectors clear
2. Definitions
Frequency
Each RF connector has a frequency range of use, users have to understand your product frequency to select connector. Choose below the requirement of working frequency connector can affect overall electrical performance; or expensive high precision high frequency connector waste. Attention should be paid to the different design of connector used frequency of relatively large differences, inferior products using frequency far did not reach the requirements of the industry standard. When selecting a connector user to confirm the electrical products performance specification.
VSWR
Voltage Standing Wave Ratio is radio frequency connector is one of the most important performance indexes, is the measurement of signals from the connector to return a measure of the standard, it is a vector unit including amplitude and phase components. The same type of connector used in different frequency VSWR is not the same as. Generally speaking, the higher using frequency, VSWR is higher also. If the user wants to know the connector of a given frequency under VWSR can ask manufacturer
Packaging, Shipping

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