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:
-40C to +45C.
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: -40C to +45C.

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 30dB0.5dB
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 30dB0.5dB
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 30dB0.5dB
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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