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Dry, Convection and Conduction-Cooled, 2 Watts to 500 Watts

Bird™s T-Series convection-cooled and CT- Series conduction cooled RF terminations (loads) feature high-quality, conservative power ratings, robust construction, and numerous connector options.
T-Series Terminations will operate at 120% of nominal power rating at 25C and below. Conduction-cooled loads are rated for 100% power handling at 100C, derating to 0W @ 150 C.

General Specifications

Impedance: 50 ohms, nominal.T and C Series

Coolant type: Dry

Construction: Non-magnetic materials used throughout.

Ambient Temperature Range, T-Series: -40C to +40C.

Operating Position: Any, except vertical for 100W, 150W, and 300W T-Series.

Finish: Connectors, and 2W & 5W bodies: Silver or tri-alloy plated. Fin Assemblies: Black anodized, or black semi-gloss paint per federal standard 595.

  • Convection and conduction cooled loads for quiet, maintenance-free operation.
  • Maximum VSWR of 1.10:1 at 1GHz; 1.25:1 max. at up to 6 GHz, as noted.
  • Ultra-compact conduction- cooled CT designs use external heat sink surface for dissipation.
  • Wide variety of connector options.

T and CT Series Temperature Derating Curves

Model
Series
Power Frequency
@Max.VSWR
Conn.
Options

Dimensions**
with N Conn.

Weight
2-T 2.0W@40C
2.0W@40C
DC-1GHz@1.10:1
DC-6GHz@1.25:1N
DC-4GHz@1.25:1N
BNC,N,TNC
BNC,N,TNC 1.6 L x 0.8" Dia
40.7mm x20.4mm
1.9oz
(55 g)
5-T 2.4W@25C
DC-1GHz@1.10:1
DC-6GHz@1.25:1 N
DC-4GHz@1.25:1 N
BNC,N,TNC
BNC,N,TNC 1.6 L x 0.8" Dia
40.7mm x20.4mm
1.9oz
(55 g)
10-T 2.0W@40C
DC-1GHz@1.10:1
DC-4GHz@1.25:1
BNC,N,TNC 2.0 L x 2.3" Dia
50.8 x 20.4mm
5.1oz
(146 g)
25-T 2.0W@40C
DC-1GHz@1.10:1
DC-4GHz@1.25:1
BNC,N,TNC 4.7" L x 2.3" Dia
119.4 x 58.5mm
10.7oz
(305 g)
25-CT 2.0W@40C DC-1GHz@1.10:1
DC-4GHz@1.25:1
SMA 0.9" L x 1.0"W x 0.5" H
22.9 x 25.4 x 12.7 mm
0.4oz
(11 g)
50-T 2.0W@40C DC-1GHz@1.10:1
DC-4GHz@1.25:1
BNC,N,TNC 4.7" L x 2.3" Dia
119.4 x 58.5mm
1.07oz
(485 g)
50-CT 2.0W@40C DC-3GHz@1.15:1
3-6GHz@1.25:1
SMA

0.86"L x 0.75"Wx0.39"H
22.9 x 25.4 x 12.7 mm

1.1oz
(31 g)
75-T 2.0W@40C DC-1GHz@1.10:1
DC-2.4GHz@1.25:1
BNC,N,TNC
IEC7/16
6.7 L x 2.3" Dia
170.1mm x 58.5 mm
1.32oz
(599 g)
100-T 2.0W@40C DC-1GHz@1.10:1
DC-2.4GHz@1.25:1
BNC,N,TNC
IEC7/16
6.4"H x 2.6"W x 6.8"H
162.6 x 66.1 x 172.8 mm
3.6oz
(1.64 kg)
100-CT 2.0W@40C DC-2GHz@1.10:1
2.3GHz@1.25:1
SMA 1.3"L x 1.4"W x 0.6"H
34.1 x 35.0 x 14.3 mm
6 lb
(2.73 kg)
150-T 2.0W@40C DC-1GHz@1.10:1
DC-2.4GHz@1.25:1
BNC,N,TNC
IEC7/16
10.87"H x 2.6"W x 6.8"H
276.1 x 66.1 x172.8mm
2.2oz
(63 g)
150-CT 2.0W@40C DC-2GHz@1.10:1
1-2.4GHz@1.25:1
BNC,N,TNC
SMA
1.86"L x 1.25"Wx1.06"H
47.3 x 31.8 x 27.0 mm
1.9oz
(55 g)
250-CT 2.0W@40C DC-1GHz@1.10:1(SMA&N)
1-3GHz@1.25:1(SMA)
1-2.4GHz@1.25:1(N)
BNC,N,TNC
SMA
2.36"L x 2.0"Wx 1.06"H
60.0 x 50.8 x 27.0 mm
5.2oz
(148 g)
300-T 2.0W@40C DC-1GHz@1.10:1
DC-2.4GHz@1.25:1
BNC,N,TNC
IEC7/16
10.87"H x 5.4"W x 6.8"H
276.1 x 137.2x172.8mm
11.5 lb
(5.23 g)
500-CT 2.0W@40C DC-1GHz@1.10:1
1-3GHz@1.25:1(SMA)
BNC,N,TNC
IEC7/16,SMA
2.36"L x 2.0"Wx 1.06"H
60.0 x 50.8 x 27.0 mm
8.2oz
(233 g)
* CT-type devices require mounting to a heat sink capable of maintaining a 100 o C or lower flange temperature.

** Dimensions and weight are for reference only, and are nominal values for units with male N-type connector, or supplied connector

if N-type is not available. Form factor for higher power models varies from illustrated examples.

WISCO International, Inc. - MIAMI, FL U.S.A.
Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com

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