Jiangsu Changjing DW52C5V6LED02 WBFBP-02C Zener Diode Product Introduction

Jiangsu Changjing DW52C5V6LED02 WBFBP-02C Zener Diode Product Introduction
1、 Product Overview
DW52C5V6LED02 is a high-precision Zener diode launched by Jiangsu Changjing Technology. It is packaged in WBFBP-02C ultra small plastic and designed specifically for surface mount. This product belongs to the DW52CXXX series, with a nominal Zener voltage of 5.6V and a power dissipation of 100mW. It has the characteristics of low leakage current, high stability, and wide temperature range, and is widely used in consumer electronics, industrial control, medical equipment, and automotive electronics.
2、 Core parameters and electrical characteristics
Zener voltage and tolerance
Nominal voltage (Vz): 5.6V
Voltage tolerance: ± 5% (typical value 5.2V to 6.0V)
Test current (IzT): 5mA
Maximum Zener Impedance (Zz): 40 Ω (@ 5mA)
Power and current characteristics
Maximum dissipated power (Pd): 100mW (25 ℃ environment)
Reverse leakage current (Ir): ≤ 1 μ A (@ 6.5V reverse voltage)
Forward voltage drop (Vf): 0.9V (@ 10mA forward current)
Temperature and packaging
Working temperature range: -55 ℃ to+150 ℃
Package type: WBFBP-02C (surface mount without pins)
Size: Approximately 9mm (length) x 3.7mm (width) x 1mm (height)
3、 Technological advantages and innovation points
Ultra miniaturization design
The WBFBP-02C package adopts a pinless structure, which reduces the volume by 30% compared to the traditional SOD-323 package, and is suitable for high-density PCB layout, especially for portable devices.  
High precision voltage stabilization performance
Voltage tolerance is controlled within ± 5%, combined with low Zener impedance (40 Ω), to ensure that the output voltage fluctuation is less than 2% when the load changes, suitable for precision reference voltage sources.
Low static power consumption
The reverse leakage current is only 1 μ A, and the power consumption is extremely low in standby mode, extending the service life of battery powered equipment.  
Wide temperature adaptability
Supports a working range of -55 ℃ to+150 ℃, with a junction temperature of up to 150 ℃, meeting the high temperature requirements of automotive electronics, industrial control, and other high-temperature environments.
4、 Application scenarios
Consumer Electronics
The power management module of mobile phones and tablets provides stable reference voltage.
LED car light driving circuit to prevent voltage fluctuations from causing damage to the light beads.
Industrial control
Overvoltage protection for instruments and meters, such as digital multimeters and sensor signal conditioning.
Voltage stabilizing power supply unit for industrial automation equipment.
medical equipment
Low noise voltage stabilization circuit for portable medical monitoring instruments.
Micro power management for implantable devices.
Automotive Electronics
Voltage clamp protection for in car entertainment system and ECU control module.
Auxiliary voltage regulation for new energy vehicle battery management system.
5、 Market positioning and competitive advantage
DW52C5V6LED02 is positioned in the medium power regulation market, filling the market gap of 100mW level Zener diodes. Compared to similar products:
Volume advantage: The packaging size is smaller than MMSZ52 series, suitable for compact design.
Accuracy improvement: The voltage tolerance is better than the BZT52C series (± 5% vs ± 8%).
Cost optimization: Using plastic packaging, the cost is 20% -30% lower than ceramic packaging products.
6、 Summary
Jiangsu Changjing DW52C5V6LED02 Zener diode has become an ideal voltage stabilization solution for mid to high end electronic devices due to its high precision, miniaturization, low power consumption, and wide temperature range characteristics. This product not only meets the needs of traditional applications, but also demonstrates application potential in emerging fields such as 5G communication and the Internet of Things, reflecting the continuous breakthroughs of domestic semiconductor devices in performance and reliability.