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1 kW RF Loads

Bird 1 kW RF loads provide reliable 50 Ω termination for RF testing, measurement, and equipment protection. Available in multiple frequency ranges, cooling methods, and connector configurations to support a range of high-power RF applications.

Performance at a Glance

Compare 1 kW Models

Compare cooling method and physical configuration to select the right 1 kW RF load for your application.

Technical Specifications at a Glance

Compare the specifications common to each 1 kW RF load series.
Need help with RF terms? See the RF Glossary>

Product
Power Rating
Dimensions
Weight
Finish
Detailed Specs
1000-T Series View Specs ›
1 kW
12.3 in x 9.6 in x 12.8 in
(313 mm x 244 mm x 326 mm)
26.5 lb (12.0 kg)
Black Anodized Aluminum
1000-WT Series View Specs ›
1 kW
18.5 in x 10.6 in x 4.8 in
(470 mm x 270 mm x 122 mm)
26.5 lb (12.0 kg)
Black Anodized Aluminum
8251 Series View Specs ›
1 kW
18 in x 6 in x 8.5 in
(455 mm x 151 mm x 216 mm)
25 lb, 8 oz (11.5 kg)
Gray Powder Coat
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Next Step: Compare VSWR and connector details for each 1 kW load.

Compare 1 kW Models

Model Number
VSWR
RF Connector
Ordering
1000-T-FN Buy Now
1.15:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2.4 GHz)
QC Type, N (f)
1000-T-MN Buy Now
1.15:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2.4 GHz)
QC Type, N (m)
1000-T-QFN Buy Now
1.15:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2.4 GHz)
QC Type, N (f)
1000-WT-FN Buy Now
1.15:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2.4 GHz)
QC Type, N (f)
1000-WT-MN Buy Now
1.15:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2.4 GHz)
QC Type, N (m)
1.10:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2 GHz)
1.30:1 max (2 GHz to 2.4 GHz)
QC Type, LC (f)
8251D Buy Now
1.10:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2 GHz)
1.30:1 max (2 GHz to 2.4 GHz) (1.065 max, 470 to 860 MHz for "D" Models)
1-5/8 EIA, Flanged
8251D7-16 Buy Now
1.10:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2 GHz)
1.30:1 max (2 GHz to 2.4 GHz) (1.065 max, 470 to 860 MHz for "D" Models)
QC Type, 7/16 (f)
8251D716-300 Get Quote
1.10:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2 GHz)
1.30:1 max (2 GHz to 2.4 GHz) (1.065 max, 470 to 860 MHz for "D" Models)
QC Type, 7/16 (f)
8251N Buy Now
1.10:1 max (DC to 1 GHz)
1.25:1 max (1 GHz to 2 GHz)
1.30:1 max (2 GHz to 2.4 GHz)
QC Type, N (f)
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Need a Different RF Load?

Whether you need a higher power rating, different connector, or wider frequency range, Bird offers RF loads for a broad range of test and measurement applications.

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