Overview
The PDZ3.9B-QX is a low-power general-purpose Zener diode produced by Nexperia USA Inc. This component is part of the PDZ-B-Q series and is designed for surface mount applications in a small SOD323 (SC-76) plastic package. It is suitable for various voltage regulation tasks and is qualified according to the AEC-Q101 standard, making it reliable for automotive and other demanding applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Voltage - Zener (Nom) (Vz) | - | 3.89 | 4.16 | - | V |
| Total Power Dissipation (Ptot) | Tamb ≤ 25 °C | - | - | 400 | mW |
| Forward Voltage (VF) | IF = 10 mA | - | - | 0.9 | V |
| Reverse Leakage Current | Vr = 27 V | - | - | 50 nA | - |
| Operating Temperature (TJ) | - | - | - | 150 | °C |
| Tolerance | - | - | - | ±2% | - |
| Package / Case | - | - | - | SC-76, SOD-323 | - |
Key Features
- Low-power general-purpose voltage regulator diode.
- Small SOD323 (SC-76) surface-mounted device (SMD) plastic 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 standard, suitable for automotive applications.
- Total power dissipation: Ptot ≤ 400 mW.
Applications
- General voltage regulation.
- Automotive electronics, including safety and efficiency improvements in e-mobility options.
- Industrial applications, such as in Uninterruptible Power Supply (UPS) and motor drives.
- Robotic and cobot designs requiring reliable and robust power switching.
Q & A
- What is the PDZ3.9B-QX used for?
The PDZ3.9B-QX is used for general voltage regulation and is particularly suited for automotive and industrial applications due to its AEC-Q101 qualification.
- What is the nominal Zener voltage of the PDZ3.9B-QX?
The nominal Zener voltage of the PDZ3.9B-QX is 3.9 V, with a tolerance of approximately ±2%.
- What is the maximum total power dissipation of the PDZ3.9B-QX?
The maximum total power dissipation (Ptot) of the PDZ3.9B-QX is 400 mW at an ambient temperature (Tamb) of 25 °C or less.
- What package type does the PDZ3.9B-QX come in?
The PDZ3.9B-QX comes in a small SOD323 (SC-76) surface-mounted device (SMD) plastic package.
- Is the PDZ3.9B-QX RoHS compliant?
Yes, the PDZ3.9B-QX is lead-free and RoHS compliant.
- What is the operating temperature range of the PDZ3.9B-QX?
The PDZ3.9B-QX has an operating junction temperature (TJ) of up to 150 °C.
- What are the key benefits of using the PDZ3.9B-QX in automotive applications?
The PDZ3.9B-QX offers low dynamic impedance, very low leakage current, and is qualified to the AEC-Q101 standard, making it highly reliable for automotive use.
- Can the PDZ3.9B-QX be used in industrial applications?
Yes, the PDZ3.9B-QX can be used in various industrial applications, including UPS and motor drives, due to its robust and reliable performance.
- What is the forward voltage of the PDZ3.9B-QX at 10 mA current?
The forward voltage (VF) of the PDZ3.9B-QX at 10 mA current is approximately 0.9 V.
- Is the PDZ3.9B-QX suitable for surface mount design?
Yes, the PDZ3.9B-QX is designed for surface mount applications in a very small SOD323 package.
