T4-1-KK81 footprint, schematic symbol and 3D model by Mini-Circuits

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PCB Footprints

T4-1-KK81 - Mini-Circuits PCB footprint - Other - Other - T4-1-KK81-2

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Part Number T4-1-KK81
Manufacturer Mini-Circuits
Pin Count 6
Part Category Transformer
Package Category Other
Footprint Name Other - T4-1-KK81-2
Released Date Sep 27, 2023
Last Modified Date Sep 27, 2023 4:24 AM UTC
Pinout / Pin List Click Here (Member Only)

T4-1-KK81 Details

Manufacturer Part Number:
T4-1-KK81
Pbfree Code:
No
Part Life Cycle Code:
Obsolete
ECCN Code:
EAR99
Manufacturer:
Mini-Circuits
YTEOL:
0
Additional Feature:
OHMS RATIO IS 4
Application:
MATCHING
Cut-off Frequency-Max:
350 MHz
Cut-off Frequency-Min:
0.2 MHz
DC Unbalance Current-Max:
30 mA
Height:
5.84 mm
Insertion Loss:
3 dB
JESD-609 Code:
e0
Length:
7.62 mm
Mounting Feature:
SURFACE MOUNT
Number of Primary Winding:
1
Number of Secondary Winding:
1
Operating Frequency-Max:
350000 kHz
Operating Frequency-Min:
200 kHz
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-20 °C
Power Rating:
0.25 W
Surface Mount:
YES
Terminal Finish:
Tin/Lead (Sn/Pb)
Transformer Type:
RF TRANSFORMER
Width:
6.86 mm

T4-1-KK81 Frequently Asked Questions (FAQs)

The recommended PCB layout and footprint for the T4-1-KK81 can be found in the Mini-Circuits application note AN-60-014, which provides a detailed guide for PCB designers.
The T4-1-KK81 has a nominal impedance of 50 ohms. To impedance match, use a pi-network or a T-network topology with capacitors and inductors to achieve a conjugate match. Consult the Mini-Circuits application note AN-60-015 for more information.
The maximum power handling of the T4-1-KK81 is 1 watt. Exceeding this power rating may cause damage to the device or affect its performance.
The T4-1-KK81 is a commercial-grade component and may not meet the requirements for high-reliability or space applications. For such applications, consider using a radiation-hardened or high-reliability version of the component, or consult with Mini-Circuits for custom solutions.
To troubleshoot issues with the T4-1-KK81, check for proper PCB layout, impedance matching, and power handling. Verify that the component is properly soldered and that there are no signs of physical damage. Consult the Mini-Circuits application notes and technical support resources for further assistance.

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T4-1-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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