PZD22B12C_R1_00001

Overview

The PZD22B12C is a silicon zener diode from the PZD22B series manufactured by Panjit International Inc. It features planar die construction and is housed in an SOT-323 surface-mount package. The nominal zener voltage is 12 V, with a minimum of 11.4 V and a maximum of 12.6 V at a test current (IZT) of 5 mA. The typical zener impedance (ZZT) is 22 Ω, measured at IZT, while the maximum impedance (ZZK) is 150 Ω at a test current (IZK) of 5 mA. The maximum reverse leakage current (IR) is 0.1 µA when tested at VR = 9 V. The device supports a peak pulse power dissipation of 200 mW at 25°C ambient temperature, with a thermal resistance (RθJA) of 540 °C/W. Operating and storage temperature ranges extend from -55°C to +150°C.

Feature Summary

• Planar die construction for stable electrical performance
• Lead-free composition compliant with EU RoHS 2.0 standards
• Green molding compound meeting IEC 61249 requirements
• Terminals solderable per MIL-STD-750 Method 2026

Applications

• Voltage regulation circuits
• Surge protection applications
• Automated assembly processes

Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm lot numbers for traceability as Panjit uses lot-based tracking. Ensure compliance with specific environmental standards required by the end application. Review the datasheet for absolute maximum ratings before integration. Request updated documentation via PCN procedures if necessary.

Selection Notes

Select this component based on the required 12 V reference voltage and 200 mW power dissipation limit. Consider the SOT-323 package dimensions for PCB layout constraints. Evaluate the 22 Ω typical impedance against circuit sensitivity requirements. Verify that the operating temperature range meets the environmental conditions of the target system.

Part Context

This part belongs to the PZD22B2V4C ~ PZD22B75C series, which covers a wide voltage range from 2.4 V to 75 V. All members share the same SOT-323 package and general mechanical characteristics. The series is designed for general-purpose voltage regulation tasks where space efficiency is prioritized due to the compact surface-mount form factor.

Replacement Considerations

Direct replacements must match the 12 V nominal voltage, SOT-323 package, and 200 mW power rating. Verify equivalent impedance and leakage current specifications. Ensure the replacement component also utilizes planar construction and complies with RoHS 2.0 directives.