Telegärtner SMB Jack PCB Connector, Straight, 50 Ohm, Gold-Plated

For RF engineers and PCB designers working on compact wireless modules, test fixtures, or instrumentation, the Telegärtner SMB jack provides a reliable 50 Ohm board-mount interface. Its straight solder-leg design suits dense layouts where space is tight and signal integrity up to 4 GHz is required.

Key specifications

• Connector series: SMB
• Connector type: Jack (female)
• Connector style: Straight
• Impedance: 50 Ohm
• Mounting type: PCB mount
• Termination method: Solder
• Frequency range: DC to 4 GHz
• VSWR (max): 1.3 at 4 GHz
• Center contact material: Beryllium copper (CuBe2), gold-plated
• Outer contact material: Brass (CuZn39Pb3), gold-plated
• Insulator material: PTFE
• Body material: Brass (CuZn39Pb3), gold-plated
• Operating temperature range: -65 °C to +165 °C
• Mating cycles: ≥ 500
• Dielectric withstanding voltage: 750 Veff

Why choose it

Gold plating on both center and outer contacts ensures low contact resistance and long-term corrosion resistance. The PTFE insulator maintains stable dielectric properties across a wide temperature range, making this connector suitable for demanding environments.

Ideal use cases

• Wireless communication modules
• RF test equipment
• Medical devices
• Industrial instrumentation

Good to know

This connector is sold individually. It is designed for solder termination to a printed circuit board, providing a secure mechanical and electrical connection.