Overview
The BZX84-B4V7/LF1R is a low-power voltage regulator diode from NXP USA Inc., now part of Nexperia. This diode is part of the BZX84 series, which is known for its high precision and reliability in voltage regulation applications. The BZX84-B4V7/LF1R is packaged 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 limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | BZX84-B4V7 | - |
| Package | SOT23 (TO-236AB) | - |
| Size | 2.9 x 1.3 x 1 mm | mm |
| VZ (Nominal) | 4.7 | V |
| VZ (Min/Max) | 4.61 / 4.79 | V |
| IZ | 5 | mA |
| Tolerance | ±2% | - |
| IF (Max) | 200 | mA |
| Ptot | 250 | mW |
| PZSM | 40 | W |
| TJ (Max) | 150 | °C |
| VF (Max) @ IF = 10 mA | 0.9 | V |
Key Features
- Low Power Consumption: Total power dissipation of ≤250 mW, making it suitable for low-power applications.
- Precision Voltage Regulation: Available in ±1%, ±2%, and approximately ±5% tolerance ranges, ensuring high accuracy in voltage regulation.
- Wide Voltage Range: Nominal working voltages from 2.4 V to 75 V, covering a broad range of applications.
- Compact Packaging: SOT23 (TO-236AB) package, ideal for space-constrained designs.
- High Temperature Stability: Maximum junction temperature of 150°C, ensuring reliability in various environmental conditions.
- Non-Repetitive Peak Reverse Power Dissipation: Up to 40 W, providing protection against transient voltage spikes.
Applications
- General Voltage Regulation: Suitable for various voltage regulation functions in electronic circuits.
- Power Supplies: Used in power supply circuits to stabilize output voltages.
- Audio and Video Equipment: Employed in audio and video devices for voltage stabilization and noise reduction.
- Automotive Electronics: Can be used in automotive systems where reliable voltage regulation is critical.
- Industrial Control Systems: Applied in industrial control systems for stable voltage supply.
Q & A
- What is the nominal zener voltage of the BZX84-B4V7/LF1R diode?
The nominal zener voltage is 4.7 V.
- What is the tolerance range for the BZX84-B4V7/LF1R diode?
The tolerance range is ±2%.
- What is the maximum total power dissipation of the BZX84-B4V7/LF1R diode?
The maximum total power dissipation is 250 mW.
- What is the package type of the BZX84-B4V7/LF1R diode?
The package type is SOT23 (TO-236AB).
- What is the maximum junction temperature for the BZX84-B4V7/LF1R diode?
The maximum junction temperature is 150°C.
- What is the non-repetitive peak reverse power dissipation of the BZX84-B4V7/LF1R diode?
The non-repetitive peak reverse power dissipation is up to 40 W.
- What is the forward voltage drop of the BZX84-B4V7/LF1R diode at 10 mA?
The forward voltage drop is up to 0.9 V at 10 mA.
- In what types of applications is the BZX84-B4V7/LF1R diode commonly used?
It is commonly used in general voltage regulation, power supplies, audio and video equipment, automotive electronics, and industrial control systems.
- What is the size of the SOT23 package for the BZX84-B4V7/LF1R diode?
The size of the SOT23 package is 2.9 x 1.3 x 1 mm.
- What is the operating temperature range for the BZX84-B4V7/LF1R diode?
The operating temperature range is from -65°C to 150°C.
