T-622-KK81+ footprint, schematic symbol and 3D model by Mini-Circuits

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PCB Footprints

T-622-KK81+ - Mini-Circuits PCB footprint - Other - Other - KK81_2024

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Datasheet Download Datasheet
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Part Number T-622-KK81+
Manufacturer Mini-Circuits
Pin Count 6
Part Category Transformer
Package Category Other
Footprint Name Other - KK81_2024
Released Date Jan 3, 2024
Last Modified Date Jan 3, 2024 9:24 AM UTC
Pinout / Pin List Click Here (Member Only)

T-622-KK81+ Details

Manufacturer Part Number:
T-622-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 1:1:1
Application:
SIGNAL
Cut-off Frequency-Max:
200 MHz
Cut-off Frequency-Min:
0.1 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:
3
Operating Frequency-Max:
200000 kHz
Operating Frequency-Min:
100 kHz
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
Power Rating:
0.25 W
Surface Mount:
YES
Terminal Finish:
Tin (Sn) - with Nickel (Ni) barrier
Transformer Type:
RF TRANSFORMER
Width:
6.86 mm

T-622-KK81+ Frequently Asked Questions (FAQs)

Mini-Circuits provides a recommended PCB layout and footprint in their application notes, which can be found on their website. It's essential to follow these guidelines to ensure optimal performance, low insertion loss, and high return loss.
To impedance match the transformer, you'll need to consider the source and load impedances. Mini-Circuits recommends using a 1:1 turns ratio and a 50-ohm impedance on both the primary and secondary sides. You can use a Smith chart or impedance matching software to optimize the matching network.
While the datasheet doesn't specify the operating temperature range, Mini-Circuits typically rates their transformers for operation from -40°C to +85°C. However, it's essential to derate the transformer's power handling at higher temperatures to ensure reliability and prevent overheating.
Yes, the T-622-KK81+ can be used in a push-pull or balanced configuration. However, you'll need to ensure that the transformer is properly biased and that the windings are correctly connected to achieve the desired configuration.
The self-resonant frequency of the T-622-KK81+ is typically around 100-200 MHz. This frequency can affect the transformer's performance, causing impedance mismatches and reduced efficiency. To mitigate this, you can use a series resistor or capacitor to dampen the resonance.

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T-622-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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