Overview
The BZX84-B33/DG/B3R 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 performance and reliability in various electronic applications. The diode is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for compact and efficient designs.
The BZX84 series includes 37 different types with nominal working voltages ranging from 2.4 V to 75 V, catering to a wide range of voltage regulation needs. These diodes are available in three tolerance series: ±1% (BZX84-A), ±2% (BZX84-B), and approximately ±5% (BZX84-C), ensuring precise voltage regulation in different applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | BZX84-B33 | - |
| Package | SOT23 (TO-236AB) | - |
| Package Size | 2.9 x 1.3 x 1 mm | mm |
| Nominal Zener Voltage (VZ) | 33 V | V |
| Zener Current (IZ) | 2 mA | mA |
| Tolerance | ±2% | - |
| Minimum Zener Voltage (VZ(min)) | 32.3 V | V |
| Maximum Zener Voltage (VZ(max)) | 33.7 V | V |
| Maximum Forward Current (IF(max)) | 200 mA | mA |
| Total Power Dissipation (Ptot) | ≤250 mW | mW |
| Non-repetitive Peak Reverse Power Dissipation (PZSM) | ≤40 W | W |
| Junction Temperature (TJ(max)) | −65 to +150 °C | °C |
Key Features
- Low Power Consumption: The BZX84-B33 has a total power dissipation of ≤250 mW, making it suitable for low-power applications.
- Precision Voltage Regulation: Available in ±2% tolerance, ensuring accurate voltage regulation.
- Compact Packaging: SOT23 (TO-236AB) package for space-efficient designs.
- High Reliability: Non-repetitive peak reverse power dissipation of ≤40 W and a junction temperature range of −65 to +150 °C.
- Wide Voltage Range: Nominal working voltages from 2.4 V to 75 V, covering a broad spectrum of applications.
Applications
- General Regulation Functions: Suitable for maintaining stable voltage levels in various electronic systems.
- Overvoltage Protection: Protects sensitive components from voltage spikes and transients.
- Signal Conditioning: Can be used in sensor circuits to provide reference voltages and stabilize signals.
- Power Management: Helps maintain a stable power supply in electronic systems, improving overall performance and efficiency.
- Automotive and Industrial Applications: Ideal for use in automotive electronic systems, such as infotainment, lighting, and power supplies, as well as in industrial control systems.
Q & A
- What is the nominal Zener voltage of the BZX84-B33?
The nominal Zener voltage of the BZX84-B33 is 33 V.
- What is the tolerance of the BZX84-B33?
The tolerance of the BZX84-B33 is ±2%.
- What is the maximum forward current of the BZX84-B33?
The maximum forward current of the BZX84-B33 is 200 mA.
- What is the total power dissipation of the BZX84-B33?
The total power dissipation of the BZX84-B33 is ≤250 mW.
- What is the non-repetitive peak reverse power dissipation of the BZX84-B33?
The non-repetitive peak reverse power dissipation of the BZX84-B33 is ≤40 W.
- What is the junction temperature range of the BZX84-B33?
The junction temperature range of the BZX84-B33 is −65 to +150 °C.
- In what package is the BZX84-B33 available?
The BZX84-B33 is available in the SOT23 (TO-236AB) package.
- What are some common applications of the BZX84-B33?
The BZX84-B33 is commonly used in general regulation functions, overvoltage protection, signal conditioning, and power management in automotive and industrial applications.
- How many different types are available in the BZX84 series?
The BZX84 series includes 37 different types with nominal working voltages ranging from 2.4 V to 75 V.
- What is the size of the SOT23 package?
The SOT23 package measures 2.9 x 1.3 x 1 mm.
