In electronic product design, a single small diode can often significantly impact the overall power consumption, heat dissipation, and signal quality of the device. The 1N4148W switching diode, launched by Slkor Semiconductor, is specifically designed to address these practical challenges. This product features a SOD-123 package and offers characteristics such as fast switching response, low forward voltage drop (VF), and low reverse leakage current (IRM), enabling effective power consumption control while ensuring signal integrity.

1N4148W: Performance Specifications, Product Features, and Application Fields

The Slkor 1N4148W is a general-purpose small-signal switching diode featuring a reverse recovery time of just 4 ns, a forward voltage drop as low as 1.0 V, and a reverse leakage current of 25 nA. The SOD-123 surface-mount package offers a compact board footprint and lightweight design, making it ideal for automated assembly lines and ensuring high soldering reliability. With an operating junction temperature range of-65°C to +150°C, this diode meets the diverse application requirements of switching power supplies, industrial control systems, and consumer electronics.

1. Core Parameters

Reverse Repeat Peak Voltage (VRRM): 75 V;

Forward average current (IO): 150 mA;

Forward voltage drop (VF): 1.0 V;

Reverse leakage current (IRM): 25 nA;

Reverse recovery time (Trr): 4 ns;

Dissipated power (Pd): 410 mW;

Operating temperature range: -65°C to +150°C.

2. Product Features

High conductivity with low conduction loss;

Fast switching speed – reverse recovery time of just 4 ns;

Surface-mount package, ideal for automated placement;

Suitable for general-purpose switching applications;

The plastic material meets the UL-approved flame retardancy rating of 94V-O.

 Slkor 1N4148W Product Specification Sheet

3. Primary Application Areas

Consumer electronics: smart door locks, wearable watches, Bluetooth earbuds, portable blood oxygen saturation monitors, etc.;

Industrial control: sensor signal isolation, optocoupler driving, gate protection, relay current continuity, etc.;

Computers and peripherals: the signal control section for motherboards, graphics cards, keyboards, routers, and power adapters.

About Slkor

Shenzhen Slkor Microelectronics Co., Ltd. was founded in 2015 by Mr.Song Shiqiang in Huaqiangbei, Shenzhen. Initially focused on the research, development, and manufacturing of power devices such as silicon carbide MOSFETs and IGBTs, the company has now expanded its product portfolio to include TVS (Transistor-Transistor-Schottky) static protection diodes, Schottky diodes and transistors, as well as the R&D and manufacturing of analog chips—including power management solutions, Hall sensors, and operational amplifiers. The company's core technical team comprises professionals from Yonsei University and Tsinghua University in South Korea. Slkor has obtained certifications including ISO9001, ISO14001, California Proposition 65 compliance, RoHS, and REACH; it maintains a robust quality management system and ensures stable, reliable delivery. Guided by the philosophy "Slkor: Driving the Future with Microelectronics," the "Slkor" brand has provided products and supporting technical services to tens of thousands of customers worldwide. The company's vision is to become an internationally influential and competitive semiconductor enterprise!