Overview
The BZX84-C3V9/DG/B4VL is a low-power voltage regulator diode produced by Nexperia USA Inc. This component is part of the BZX84 series, which is known for its high precision and reliability. The diode is housed in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of electronic designs where space is a constraint.
The BZX84-C3V9 is designed to provide stable voltage regulation with a nominal working voltage of 3.9 V and a tolerance of approximately ±5%. This diode is ideal for general regulation functions in various applications, including automotive, industrial, power, computing, consumer, mobile, and wearables.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | BZX84-C3V9 |
| Package | SOT23 (TO-236AB) |
| Package Size (mm) | 2.9 x 1.3 x 1 |
| Nominal Working Voltage (V) | 3.9 |
| Tolerance +/- | Approximately ±5% |
| Minimum Working Voltage (V) | 3.7 |
| Maximum Working Voltage (V) | 4.1 |
| Maximum Zener Current (mA) | 5 |
| Maximum Forward Current (mA) | 200 |
| Total Power Dissipation (mW) | ≤250 |
| Non-repetitive Peak Reverse Power Dissipation (W) | ≤40 |
| Maximum Junction Temperature (°C) | 150 |
| Configuration | Single |
| Automotive Qualified | Yes (AEC-Q101) |
Key Features
- Low-power voltage regulator diode in a small SOT23 package.
- Nominal working voltage of 3.9 V with a tolerance of approximately ±5%.
- Total power dissipation of ≤250 mW.
- Non-repetitive peak reverse power dissipation of ≤40 W.
- Maximum junction temperature of 150°C.
- AEC-Q101 qualified, making it suitable for automotive applications.
- Available in three tolerance series: ±1%, ±2%, and approximately ±5%.
- Working voltage range from 2.4 V to 75 V (E24 range).
Applications
The BZX84-C3V9/DG/B4VL voltage regulator diode is versatile and can be used in a variety of applications across different industries, including:
- Automotive: For voltage regulation in automotive systems, thanks to its AEC-Q101 qualification.
- Industrial: In power supplies, voltage regulators, and other industrial control systems.
- Power: In power management circuits and voltage regulation modules.
- Computing: In computer hardware for stable voltage supply.
- Consumer Electronics: In various consumer devices requiring stable voltage regulation.
- Mobile and Wearables: In portable electronic devices where space and efficiency are critical.
Q & A
- What is the nominal working voltage of the BZX84-C3V9/DG/B4VL diode?
The nominal working voltage is 3.9 V.
- What is the tolerance of the BZX84-C3V9/DG/B4VL diode?
The tolerance is approximately ±5%.
- What is the maximum total power dissipation of the BZX84-C3V9/DG/B4VL diode?
The maximum total power dissipation is ≤250 mW.
- What is the non-repetitive peak reverse power dissipation of the BZX84-C3V9/DG/B4VL diode?
The non-repetitive peak reverse power dissipation is ≤40 W.
- What is the maximum junction temperature of the BZX84-C3V9/DG/B4VL diode?
The maximum junction temperature is 150°C.
- Is the BZX84-C3V9/DG/B4VL diode qualified for automotive applications?
Yes, it is qualified according to AEC-Q101.
- What package type is used for the BZX84-C3V9/DG/B4VL diode?
The diode is housed in a SOT23 (TO-236AB) package.
- What are the dimensions of the SOT23 package?
The dimensions are 2.9 mm x 1.3 mm x 1 mm.
- What is the working voltage range of the BZX84 series?
The working voltage range is from 2.4 V to 75 V (E24 range).
- What are the typical applications of the BZX84-C3V9/DG/B4VL diode?
Typical applications include automotive, industrial, power, computing, consumer electronics, mobile devices, and wearables.
