WISCO International

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Model 8431 RF Load
Dry, Convection-Cooled, 600 Watts

Model 8431 Bird Electronic Corporation designs and builds a variety of forced-air, water-cooled, and self-contained loads for power levels up to 80kW, and attenuators up to 4kW.

We also welcome the opportunity to quote custom load and attenuator products.

  • Equipped with "SQC" Small Quick-Change RF Connector.

Specifications

Power Rating: 600 W continuous, vertical, 500 W continuous, horizontal.
Connectors: SQC Type (Female N supplied).
Frequency Range and VSWR:
DC to 1 GHz at 1.10:1 max. 1 GHz to 2.5 GHz at 1.25:1 max.
Impedance: 50 ohms, nominal.
Ambient Temperature Range:
-40°C to +45°C.
Operating Position: Horizontal or vertical.
Coolant: Dry (Convection cooled).
Finish: Black powder coat with anodized
fins.
Nominal Size: (with N-type connector)
9.32" H x 8.5" W x 13.32" D,
(235 mm x 216 mm x
336 mm).
Weight: 13 lbs (5.91 kg.).

Oil Dielectric RF Loads & Attenuators
Convection-Cooled, Oil-Dielectric

Oil Dielectric RF Load and Attenuators

  • Loads from 150W to 1000W
  • Attenuators from 100W to 500W; 30dB ± 0.5dB
  • All power ratings are continuous.
  • Equipped with "QC" Quick-Change RF Connectors



General Specifications:

Ambient Temperature: -40°C to +45°C.

Connector: QC type. Female N supplied. (Model 8251 load includes mounted LC female, and unmounted N female).

Operating Position: Horizontal only.

Finish: Gray powder coat.

Coolant: refined mineral oil or silicone oil as noted.

Attenuators include calibration data taken at 30, 100, 200, 300, 400 and 500 MHz, which is accurate to ± 0.2 dB.)
Dimensions for reference only, and are nominal
values with the normally-supplied connector.

Oil-Dielectric Loads
Model Cont.
Power
Frequency
@Max.VSWR
Conn.
Options

Coolant
& Capacity

Dimensions
N (M) Conn.

Weight
8135 150W DC-1GHz@1.1:1
1-2.5 GHz@1.2:1
1-2.5 GHz@1.3:1
QC Type
Female N
supplied
Refined Mineral Oil 0.1 gal.
(0.38 liters)

9.5"Lx6.35"Hx3.94"W
241 x 161 x 100 mm

6 lb
(2.7 kg)
8141 250W DC-1GHz@1.1:1
1-1.8 GHz@1.2:1
1.8-2.5 GHz@1.3:1
QCType
Female N
supplied
Silicone Oil
0.35 gal.
(1.3 liters)
9.57"Lx8.5"Hx5.94"W
243 x 216 x 151 mm
10 lb
(4.5 kg)
8201 500W DC-1GHz@1.1:1
1-2.5 GHz@1.25:1
QC Type
FemaleN
supplied
Refined Mineral Oil 0.9 gal.
(3.42 liters)
16.82"Lx8.5"Hx5.94"W
427 x 216 x 151 mm
21 lb
(9.5 kg)
8401 600W DC-1GHz@1.1:1
1-2.8 GHz@1.2:1
2.8-3 GHz@1.3:1
QC Type
Female N
supplied
Refined Mineral Oil 0.7 gal
(2.65 liters)
16.82"Lx8.5"Hx5.94"W
427 x 216 x 151 mm
20 lb
(9.1 kg)
8251 1000W DC-1GHz@1.1:1
1-2 GHz@1.25:1
2-2.4 GHz@1.3:1
QC Type
Female N & LC supplied
Silicone Oil
0.8 gal.
(3.02 liters)
17.91"Lx8.5"Hx5.94"W
455 x 216 x 151 mm
25.5 lb
(11.5kg)
Oil-Dielectric Loads
8323 100W 30dB±0.5dB
DC-500MHz@1.10:1
QC Type
Female N
supplied
Refined Mineral Oil 0.35 gal.
(1.3 liters)

9.5"Lx6.35"Hx3.94"W
263 x 216 x 151 mm

11 lb
(5 kg)
8322 200W 30dB±0.5dB
DC-500MHz@1.10:1
QC Type
Female N
supplied
Refined Mineral Oil 0.7 gal.
(2.65 liters)
17.5"Lx8.5"Hx5.94"W
445 x 218 x 151 mm
19 lb
(9 kg)
8325 500W 30dB±0.5dB
DC-500MHz@1.10:1
QC Type
Female N
supplied
Refined Mineral Oil 0.9 gal.
(3.4 liters)
17.5"Lx8.5"Hx5.94"W
445 x 218 x 151 mm
25 lb
(11 kg)
WISCO International, Inc. - MIAMI, FL U.S.A.
Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com

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