Overview
The BZX84-B4V3/LF1R is a single Zener diode produced by NXP USA Inc. This component is designed for voltage regulation and is part of the BZX84 series, known for its reliability and precision. The BZX84-B4V3/LF1R is particularly suited for applications requiring a stable 4.3V Zener voltage. It is packaged in a SOT-23 (TO-236AB) surface mount package, making it ideal for compact and high-density circuit designs.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | BZX84-B4V3/LF1R |
| Manufacturer | NXP USA Inc. |
| Package / Case | SOT-23 (TO-236AB) |
| Mounting Type | Surface Mount |
| Voltage - Zener (Nom) (Vz) | 4.3 V |
| Tolerance | ±2% |
| Power - Max | 250 mW |
| Impedance (Max) (Zzt) | 95 Ohms |
| Current - Reverse Leakage @ Vr | 3 µA @ 2 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA |
| Operating Temperature | -65°C ~ 150°C |
| Qualification | AEC-Q101 |
| RoHS Status | ROHS Compliant |
Key Features
- Silicon planar Zener diode with high stability and reliability.
- Zener voltage of 4.3V with a tolerance of ±2%.
- Maximum power dissipation of 250 mW.
- Low dynamic impedance of 95 Ohms.
- Reverse leakage current of 3 µA at 2 V.
- Forward voltage drop of 900 mV at 10 mA.
- Operating temperature range from -65°C to 150°C.
- AEC-Q101 qualified for automotive applications.
- ROHS compliant.
Applications
- Voltage regulation in electronic circuits.
- Overvoltage protection in various electronic devices.
- Stabilization of voltage in power supplies and DC-DC converters.
- Automotive electronics due to AEC-Q101 qualification.
- General-purpose voltage regulation in industrial and commercial applications.
Q & A
- What is the Zener voltage of the BZX84-B4V3/LF1R?
The Zener voltage is 4.3V with a tolerance of ±2%.
- What is the maximum power dissipation of the BZX84-B4V3/LF1R?
The maximum power dissipation is 250 mW.
- What is the operating temperature range of the BZX84-B4V3/LF1R?
The operating temperature range is from -65°C to 150°C.
- Is the BZX84-B4V3/LF1R ROHS compliant?
Yes, the BZX84-B4V3/LF1R is ROHS compliant.
- What is the dynamic impedance of the BZX84-B4V3/LF1R?
The dynamic impedance is 95 Ohms.
- What is the reverse leakage current of the BZX84-B4V3/LF1R?
The reverse leakage current is 3 µA at 2 V.
- What is the forward voltage drop of the BZX84-B4V3/LF1R?
The forward voltage drop is 900 mV at 10 mA.
- Is the BZX84-B4V3/LF1R suitable for automotive applications?
Yes, it is AEC-Q101 qualified for automotive applications.
- What package type does the BZX84-B4V3/LF1R come in?
The BZX84-B4V3/LF1R comes in a SOT-23 (TO-236AB) surface mount package.
- How is the BZX84-B4V3/LF1R typically used in circuits?
It is typically used for voltage regulation, overvoltage protection, and stabilization of voltage in power supplies and DC-DC converters.
