TKMMBD4148A Series

The TKMMBD4148A series of high-speed switching diodes is specifically designed for high-frequency switching circuits. With their outstanding switching performance and stability, they are an ideal choice for general‑purpose electronic devices and industrial control applications. This series includes multiple models (TKMMBD4148A/SE/CC/CA), catering to a wide range of application requirements.

Category:

Product Center

Leave a Message Online

Free consultation hotline:0769-2230 2199

PDF document 文件下载

Product Description

Product Introduction to the Guangdong Jiaxun Electronics TKMMBD4148A Series High-Speed Switching Diodes

Launched by Guangdong Jiaxun Electronics (Jiaxun Electronics) TKMMBD4148A Series High-speed switching diodes, specifically designed for high-frequency switching circuits, are an ideal choice for general-purpose electronic devices and industrial control applications thanks to their outstanding switching performance and stability. This series includes multiple models (TKMMBD4148A/SE/CC/CA), catering to a wide range of application requirements.

Core Features

High-speed switch : Reverse recovery time as low as 4ns , significantly enhancing the response speed of high-frequency circuits.
High voltage withstand capability : Support 100V Non-repetitive peak reverse voltage (𝑉𝑅𝑀), ensuring reliable operation.
Low-power design : The typical forward voltage is only 1V (I_F = 10 mA), effectively reducing conduction losses.
Micro-packaging It adopts a standard SOT-23 package (dimensions 2.8 × 3.0 mm), is compatible with high-density PCB layouts, and supports automated mounting.
Wide-temperature adaptability : Operating temperature range spans **–55°C to +150°C**, making it suitable for harsh industrial environments.

Typical Applications

Signal switching circuit : High-frequency signal switching, isolation of digital logic circuits.
Power Management : DC-DC converters, rectifier circuits, and surge protection.
Communication equipment : Radio frequency module, signal modulation and demodulation.
Consumer electronics : Power and signal control for portable devices such as smartphones and tablets.

Key Performance Parameters

Extreme parameter
- Peak Reverse Voltage (VRM/VRWM): 100 V
- Forward continuous current (IFM): 300 mA
- Average Rectified Current (𝐼𝑂IO): 200 mA
- Inrush Current (𝐼𝐹𝑆𝑀IFSM): 2.0 A (8.3 ms pulse)
Electrical Characteristics
- Reverse breakdown voltage (𝑉(𝐵𝑅)1V(BR)1): 100 V (𝐼𝑅=100𝜇𝐴IR=100μA)
- Reverse leakage current (𝐼𝑅1IR1): ≤5 μA (𝑉𝑅=75 V VR=75 V)
- Terminal capacitance (𝐶𝑇CT): 4 pF (𝑉𝑅=0𝑉,𝑓=1𝑀𝐻𝑧)
Thermal management
- Power Dissipation (PD): 350 mW (25°C)
- Thermal resistance (𝑅𝜃𝐽𝐴, RθJA): 357 °C/W

Mechanics and Packaging

SOT-23 package : Complies with industry standards, features a compact footprint (typical dimensions: 2.8 × 3.0 mm), and supports surface-mount technology.
Optimize pad design : Provides standardized pad layout recommendations (see diagram) to ensure soldering reliability and reduce thermal stress.

Technological Advantages

High reliability : Through rigorous testing, the reverse leakage current is extremely low (25 nA at 25 V), extending system lifespan.
Energy-saving and efficient : Low forward voltage drop and fast recovery characteristics significantly enhance energy efficiency.
Multi-scenario compatibility : The entire product lineup covers a range of voltage and current requirements, enabling flexible compatibility with diverse designs.

About Jiaxun Electronics

Guangdong Jiaxun Electronics specializes in the research, development, and manufacturing of semiconductor devices, with products including diodes and power transistors that are widely used in consumer electronics, telecommunications, and industrial automation. The TKMMBD4148A series, featuring high speed, high voltage resistance, and a compact package, helps customers achieve high‑performance circuit designs.

Learn more ：www.jiaxundz.com

TKMMBD4148A Series—Defining efficiency through speed, mastering high frequencies with unwavering stability!

Related products

You can leave us any questions you have about the product.

Guangdong Jiaxun Electronics Co., Ltd. is a Sino‑foreign joint venture high‑tech enterprise specializing in the R&D, manufacturing, sales, and technical services of discrete semiconductor devices. The company boasts a highly qualified R&D center with robust technological capabilities; through continuous innovation, its products are marketed worldwide, securing a leading position in the industry.

Our staff will contact you within 24 hours (on business days).
If you require any other services, please feel free to call.
Service Hotline:0769-2230 2199

Contact Information

Guangdong Jiaxun Electronics Co., Ltd.

Address: Room 139, No. 8 Youxin Avenue, Wanjiang Subdistrict, Dongguan City, Guangdong Province
Mobile phone:18922939508
Phone:0769-2230 2199

Fax: 0769-2315 8049
Email:jiaxundz@qq.com
QQ: 75836771, 343109788
Website:www.jiaxundz.com

WeChat consultation

If you have any questions, please contact us.

What services can we offer?