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Bird 8251T-230 Termaline RF Load 1 KWDC-2500 MHz  1 KW RF LoadWith Thermal Switch Option 230 Degree (New) - Product Image

Bird 8251T-230 Termaline RF Load 1 KW
DC-2500 MHz 1 KW RF Load
With Thermal Switch Option 230 Degree (New)

8251T-230 Bird Termaline RF Coaxial Termination
1 kW Continuous Duty, Oil-Cooled
Thermal Switch option 230 installed
1-5/8 Flange Fixed(M) Shown or N(F) or any Bird QC Connector
  • Rugged portable Bench load for high power base station RF testing up to 2.4 GHz.
  • Oil-assisted convection cooling for safe, continuous operation up to 1000W full rated power.
  • Connector 4240-096 1-5/8 inch EIA Fixed Flange (M), or N(F) QC
  • Or, can be shipped with LC or Type N(F) or any QC connector installed.
  • Low-profile housing with handle and rubber feet for trouble-free operation in the most demanding environments.
  • Ambient Temperature Range: -40 C to +45 C
  • Connector: QC type (Female LC normally supplied, and Female N normally supplied unmounted)
  • Finish: Gray powder coat
  • Frequency Range and VSWR: DC to 1 GHz at 1.1 max, 1 GHz to 2 GHz at 1.25 max., 2 GHz to 2.4 at 1.3 max.
  • Load Coolant: 1.1 gal. (4.1 liters) silicon oil
  • Nominal Size: 17 29/32" L x 8 1/2" H x 5 15/16" W, (455 mm x 216 mm x 151 mm)
  • Operating Position: Horizontal only
  • Power Rating: 1000 W continuous
  • Weight: 25 lbs, 8 oz. (11.5 kg)

The Model 8251 TERMALINE Load Resistor is a portable, self-contained general purpose 50 ohm coaxial transmission line termination requiring no outside power source or additional equipment. It provides accurate, dependable, and practically non-reflective termination for testing and adjusting transmitters under non-radiating conditions. The load consists essentially of a cylindrical film type resistor immersed in a dielectric coolant. The resistor, individually selected for its accuracy, is enclosed in a special tapered housing which provides a linear reduction in surge impedance directly proportional to the distance along the resistor. This produces the uniform, practically reflectionless line termination from dc to 2.4 GHz.

Bird Specifications and Manual

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