The BZX84C3V9CC is a Zener diode manufactured by Shenzhen Jin Yu Semiconductor Co., Ltd. It is designed to provide voltage regulation and overvoltage protection in a variety of electronic circuits. As a Zener diode, it maintains a relatively constant voltage over a range of currents, making it suitable for stabilizing voltage levels and protecting sensitive components from voltage spikes.

Applications:

• Voltage regulation in electronic circuits
• Overvoltage protection for sensitive components
• Voltage clamping
• Reference voltage generation
• Transient voltage suppression

Features:

• Zener Voltage of 3.9V: Provides a stable voltage reference at approximately 3.9 volts.
• Low Reverse Leakage Current: Reduces power consumption and improves efficiency.
• Small Surface Mount Package (SOT-23): Allows for compact board designs and automated assembly.
• High Surge Current Capability: Can withstand transient voltage surges without damage.
• Pb-Free and RoHS Compliant: Meets environmental standards.

Benefits:

• Stable Voltage Regulation: Ensures consistent voltage levels for reliable circuit operation.
• Effective Overvoltage Protection: Protects electronic components from damage caused by voltage spikes or surges.
• Compact Design: Enables miniaturization of electronic devices and efficient use of board space.
• Reliable Performance: Provides consistent and dependable voltage regulation.
• Environmentally Friendly: Compliant with environmental regulations, reducing environmental impact.

Additional Details:

The BZX84C3V9CC typically comes in a SOT-23 (TO-236) surface mount package. It has a power dissipation rating typically around 250-350 mW, depending on the specific datasheet. The operating temperature range usually spans from -55°C to +150°C. Key electrical characteristics include a low dynamic impedance and a well-defined breakdown voltage. The "CC" suffix typically denotes specific packaging or electrical characteristics variations. Proper heat sinking is generally not required for typical applications, but should be considered in high ambient temperature or high power dissipation scenarios.