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T1-1T-KK81+ - Mini-Circuits

Description: Signal Conditioning 1:1 Core & Wire Transformer, 0.08 - 200 MHz, 50ohm

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T1-1T-KK81+ - Mini-Circuits - PCB symbol
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PCB Footprints
T1-1T-KK81+ - Mini-Circuits PCB footprint - Other - Other - T1-1T-KK81+-2
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T1-1T-KK81+ - Mini-Circuits - 3D model - Other - T1-1T-KK81+-2
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T1-1T-KK81+ Details

  • Manufacturer Part Number:

    T1-1T-KK81+

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    7

  • Additional Feature:

    OHMS RATIO IS 1

  • Application:

    SIGNAL

  • Cut-off Frequency-Max:

    200 MHz

  • Cut-off Frequency-Min:

    0.08 MHz

  • DC Unbalance Current-Max:

    30 mA

  • Height:

    5.84 mm

  • Insertion Loss:

    3 dB

  • JESD-609 Code:

    e3

  • Length:

    7.62 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Primary Winding:

    1

  • Number of Secondary Winding:

    1

  • Operating Frequency-Max:

    200000 kHz

  • Operating Frequency-Min:

    80 kHz

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Power Rating:

    0.25 W

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN OVER NICKEL

  • Transformer Type:

    RF TRANSFORMER

  • Width:

    6.86 mm

T1-1T-KK81+ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the edge of the board to minimize signal reflections. A 50-ohm microstrip transmission line should be used to connect the device to the antenna.
  • The device requires a positive voltage supply (Vdd) of 3.3V to 5V and a negative voltage supply (Vgg) of -2V to -5V. The recommended biasing circuit includes a voltage regulator and a voltage divider to set the gate voltage (Vg) to around -1V to -2V.
  • The maximum power handling of the T1-1T-KK81+ is 1W. Exceeding this power limit can cause permanent damage to the device. It is recommended to use an attenuator or a limiter to prevent over-powering the device.
  • Common issues with the T1-1T-KK81+ include poor gain, high noise figure, and oscillations. Troubleshooting steps include checking the biasing circuit, ensuring proper PCB layout, and verifying the input and output impedance matching.
  • The operating temperature range of the T1-1T-KK81+ is -40°C to 85°C. The device is not recommended for use outside this temperature range, as it may affect its performance and reliability.

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T1-1T-KK81+ Overview

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About Mini-Circuits

Mini-Circuits is a global leader in the design, manufacturing, and distribution of RF and microwave components and systems. The company's product portfolio includes a vast array of components such as amplifiers, mixers, splitters, couplers, filters, switches, and attenuators, among others. These components cover frequency ranges from DC to 65 GHz and beyond, serving applications in wireless communication, satellite communication, radar systems, test and measurement equipment, medical devices, and more.

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Part Image T1-1T-KK81 Mini-Circuits

RF Transformer, 0.08MHz Min, 200MHz Max