LS2641

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LS2641 Image

The LS2641 from Polyfet RF Devices is an LDMOS Power Transistor that operates from 1 to 1300 MHz. It delivers a saturated output power of 250 W with a power gain of more than 16 dB and has a drain efficiency of better than 60%. This transistor employs back-to-back gate diodes for enhanced ESD protection and has a high drain breakdown voltage which makes this LDMOS highly rugged. It requires a DC supply of 28 V and consumes 0.5 A of current. The transistor is available in a flanged package that measures 1.1 x 0.77 x 0.17 inches and is ideal for broad-band applications such as communications and broadcast.

Product Specifications

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Product Details

  • Part Number
    LS2641
  • Manufacturer
    Polyfet RF Devices
  • Description
    250 W LDMOS Power Transistor from 1 to 1300 MHz

General Parameters

  • Transistor Type
    LDMOS
  • Technology
    Si
  • Application Industry
    Broadcast, Wireless Communication
  • CW/Pulse
    CW
  • Frequency
    1 MHz to 1.3 GHz
  • Power
    53.98 dBm
  • Power(W)
    250 W
  • Power Gain (Gp)
    16 dB
  • VSWR
    1.20:1
  • Supply Voltage
    28 VDC
  • Drain Gate Voltage
    80 V
  • Breakdown Voltage - Drain-Source
    80 V
  • Voltage - Drain-Source (Vdss)
    80 V
  • Voltage - Gate-Source (Vgs)
    -9 to 11 V
  • Drain Efficiency
    0.6
  • Drain Current
    18 A
  • Drain Bias Current
    3 mA
  • Gate Leakage Current (Ig)
    1 uA
  • Power Dissipation (Pdiss)
    500 W
  • Lead Free
    Yes
  • Feedback Capacitance
    1.6 pF
  • Input Capacitance
    147 pF
  • Junction Temperature (Tj)
    200 Degree C
  • Output Capacitance
    60 pF
  • Thermal Resistance
    0.35 Degree C/W
  • Package Type
    Flanged
  • RoHS
    Yes
  • Storage Temperature
    -65 to 150 Degree C

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