Overview
The PDZ33B-QX is a Zener diode produced by Nexperia USA Inc., designed for general-purpose voltage regulation. This component is part of the PDZ-B-Q series, which features low-power Zener diodes in a compact SOD323 (SC-76) surface-mount package. The PDZ33B-QX is particularly suited for applications requiring stable voltage regulation and is qualified according to the Automotive Electronics Council (AEC) standard Q101, making it suitable for automotive and other demanding environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Voltage (VZ) | IZ = 5 mA | 32.97 | - | 33.03 | V |
| Total Power Dissipation (Ptot) | Tamb ≤ 25 °C | - | - | 400 | mW |
| Forward Voltage (VF) | IF = 10 mA | - | - | 0.9 | V |
| Reverse Current (IR) | VR = 33 V, Tj = 25 °C | - | - | 50 | μA |
| Thermal Resistance (Rth(j-a)) | Device mounted on an FR4 PCB | - | - | 340 | K/W |
| Storage Temperature (Tstg) | - | -65 | - | 150 | °C |
| Junction Temperature (Tj) | - | - | - | 150 | °C |
Key Features
- Low-power general-purpose voltage regulator diode in a small SOD323 (SC-76) surface-mount package.
- Wide variety of voltage ranges: nominal 2.4 V to 36 V (E24 range).
- Tolerance approximately ±2%.
- Very low dynamic impedances at low currents and very low leakage current.
- Qualified according to AEC-Q101, suitable for use in automotive applications.
- Compact package suitable for surface-mounted design.
Applications
The PDZ33B-QX Zener diode is versatile and can be used in various applications, including:
- General voltage regulation.
- Automotive electronics, such as in-car systems and safety features.
- Industrial equipment, including power supplies and motor drives.
- Consumer electronics, such as in power management circuits.
- Other applications requiring stable voltage regulation and low power dissipation.
Q & A
- What is the voltage rating of the PDZ33B-QX Zener diode?
The PDZ33B-QX has a voltage rating of approximately 33 V (32.97 V to 33.03 V) at an operating current of 5 mA. - What is the total power dissipation of the PDZ33B-QX?
The total power dissipation (Ptot) of the PDZ33B-QX is 400 mW at a temperature of 25 °C. - What is the forward voltage of the PDZ33B-QX?
The forward voltage (VF) of the PDZ33B-QX is up to 0.9 V at a forward current of 10 mA. - Is the PDZ33B-QX suitable for automotive applications?
Yes, the PDZ33B-QX is qualified according to the AEC-Q101 standard, making it suitable for use in automotive applications. - What is the package type of the PDZ33B-QX?
The PDZ33B-QX comes in a SOD323 (SC-76) surface-mount package. - What are the storage and junction temperature limits for the PDZ33B-QX?
The storage temperature range is -65 °C to 150 °C, and the junction temperature limit is 150 °C. - What are the key benefits of using the PDZ33B-QX in voltage regulation applications?
The key benefits include low dynamic impedance, low leakage current, and a compact surface-mount package. - Can the PDZ33B-QX be used in industrial applications?
Yes, the PDZ33B-QX can be used in industrial applications due to its robust specifications and AEC-Q101 qualification. - How does the PDZ33B-QX contribute to energy efficiency in electronic designs?
The PDZ33B-QX contributes to energy efficiency by providing stable voltage regulation with low power dissipation, which is crucial in many electronic designs. - Where can I find more detailed specifications and datasheets for the PDZ33B-QX?
You can find detailed specifications and datasheets on the Nexperia website or through authorized distributors like Mouser Electronics and Digi-Key.
