Pamtech ULG1004 RF Coaxial Load N-Type Connector Microwave Dummy Load

Pamtech ULG1004 RF Coaxial Load N-Type Connector Microwave Dummy Load

The Pamtech ULG1004 is a passive RF coaxial dummy load designed to terminate RF transmission lines and absorb signal energy without reflection. Built around a machined aluminum body with integral cooling fins, it is rated for use in RF and microwave test and measurement applications. The unit connects via an N-type female connector and is manufactured by Pamtech in Canoga Park, California.

Specifications & What's Included

• Manufacturer: Pamtech (Canoga Park, CA)
• Model: ULG1004
• Type: RF coaxial dummy load / termination
• Connector: N-type female
• Impedance: 50 ohm (standard coaxial)
• Body: Machined anodized aluminum with integral passive heatsink fins
• Cooling: Passive convection via finned aluminum housing
• Mounting: Four corner mounting holes on heatsink base plate
• Unit only — no accessories included

Applications

RF dummy loads are used to terminate transmission lines and RF signal ports when a live antenna or load is not connected, absorbing power and preventing signal reflections that could damage equipment or distort measurements. They are standard bench tools in RF and microwave test setups, used during equipment alignment, transmitter testing, and signal path verification. The N-type connector and finned heatsink body make the ULG1004 well suited for moderate-power RF lab work, typical of signal generator output termination, spectrum analyzer port loading, and RF amplifier testing. Pamtech was a Canoga Park, California–based manufacturer of RF and microwave passive components, and their coaxial loads were commonly used in aerospace, defense electronics, and commercial RF test environments from the 1970s through the 1990s.