Overview
The BZX84-B12/DG/B3,21 is a low-power voltage regulator diode produced by Nexperia USA Inc. This component is part of the BZX84 series, which is designed to provide stable voltage regulation in a variety of applications. The diode is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for compact and efficient electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 12 | V |
| Voltage - Forward (Max) @ If | 900 mV @ 10 mA | mV |
| Tolerance | ±2% | % |
| Supplier Device Package | TO-236AB | |
| Series | Automotive, AEC-Q101 | |
| Power - Max | 250 | mW |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | |
| Operating Temperature | -65°C ~ 150°C (TJ) | °C |
| Mounting Type | Surface Mount | |
| Impedance (Max) (Zzt) | 25 | Ohms |
| Current - Reverse Leakage @ Vr | 100 nA @ 8 V | nA |
Key Features
- Total power dissipation: ≤250 mW
- Three tolerance series: ±1%, ±2%, and approximately ±5%
- Working voltage range: nominal 2.4 V to 75 V (E24 range)
- Non-repetitive peak reverse power dissipation: ≤ 40 W
- Compact SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package
- AEC-Q101 qualified for automotive applications
- RoHS compliant
Applications
The BZX84-B12/DG/B3,21 is suitable for various applications requiring stable voltage regulation, including:
- General regulation functions
- Automotive systems (AEC-Q101 qualified)
- Industrial control systems
- Consumer electronics
- Power supplies and voltage regulators
Q & A
- What is the nominal zener voltage of the BZX84-B12/DG/B3,21?
The nominal zener voltage is 12 V.
- What is the maximum forward voltage at 10 mA?
The maximum forward voltage at 10 mA is 900 mV.
- What is the tolerance of the BZX84-B12/DG/B3,21?
The tolerance is ±2%.
- What is the maximum power dissipation of the diode?
The maximum power dissipation is ≤250 mW.
- What is the operating temperature range of the BZX84-B12/DG/B3,21?
The operating temperature range is -65°C to 150°C (TJ).
- Is the BZX84-B12/DG/B3,21 RoHS compliant?
- What package type is used for the BZX84-B12/DG/B3,21?
The package type is SOT23 (TO-236AB).
- What are the typical applications of the BZX84-B12/DG/B3,21?
Typical applications include general regulation functions, automotive systems, industrial control systems, consumer electronics, and power supplies.
- Is the BZX84-B12/DG/B3,21 qualified for automotive use?
- What is the non-repetitive peak reverse power dissipation of the diode?
The non-repetitive peak reverse power dissipation is ≤ 40 W.
