81-95-25 Series

Image of Isolators & Circulators

81-95-25 Series

 

81-95-25 Series, 935-940 MHz, Single-Junction Circulator and Isolators are designed to provide the specified isolation under continuous duty at maximum power. Their conservative, rugged design and construction have a record of excellent reliability and high performance established through over 20 years of service in critical systems.

Isolators

  • Provides rated isolation at rated continuous power
  • Standard isolator loads rated to protect against antenna system failure

Circulators

  • Available dual or single junction versions from 118-250 MHz, 300-530 MHz and 746-960 MHz
  • Small package outline
  • Up to 250 watts power handling
  • High isolation throughout bandwidth (no-tuning)
  • Low insertion loss
  • Low PIM Design
  • Wide operation temperature range
  • RoHS compliant
  • Various connector options available
  • Ideal for applications with minimal guard band between transmit and receive frequencies

 

Part Number 81-95-25-00 81-95-25-20 81-95-25-50 81-95-25-60 81-95-25-100
RF Load # None 82-01-05
82-01-05		82-01-05
82-01-16		82-01-05
82-01-17		82-01-05
82-01-15
Continous RF Load Power None 10/5 W 10/25 W 10/60 W 10/100 W
Dimensions, HxWxD
[inches(mm)]		5.63 x 3.15 x 1.84
(143 x 80 x 47)		6.66 x 3.15 x 1.84
(169 x 80- x 47)		10.41 x 3.15 x 1.84
(264 x 80 x 47)		11.59 x 3.15 x 1.84
(294 x 80 x 47)		11.59 x 3.94 x 2.90
(294 x 100 x 74)
Weight, lb. (kg) 2.79 (1.27) 3.15 (1.43) 3.61 (1.64) 4.25 (1.93) 4.97 (2.26)

 

 

Product Specifications 
Item No81-95-25 Series
Item Name935-940 MHz, Dual-Junction Circulator and Isolator
Frequency Range935-940 MHz
Number of Junctions2
Junction TypeDistributed Parameter
Max Continuous Input Power150 W
Isolation Bandwidth2.5% of center frequency (dB)
Typical Insertion Loss0.5 dB
Insertion Loss0.65 dB
Peak Reverse Isolation> 60 dB
Min Reverse Isolation> 50 dB
Impedance Ω50
Min Return Loss - VSWR20 dB (1.22 : 1)
Temperature Range-30 to +60 °C
Connectors Input-Output-LoadN