Overview
The BZX84C2V4LT1 is a Zener voltage regulator diode produced by onsemi. It is part of the BZX84C series, designed to provide stable voltage regulation in a variety of applications. This component is packaged in a SOT-23 case, making it suitable for high-density PCB designs and portable electronic devices.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT = 5 mA | VZ | 2.4 | - | 2.7 | V |
| Maximum Zener Impedance @ IZT = 5 mA | ZZT | - | - | 85 | Ω |
| Reverse Leakage Current @ VR = 3.6 V | IR | - | - | 0.05 | μA |
| Forward Voltage @ IF = 10 mA | VF | - | - | 0.9 | V |
| Total Device Dissipation (FR-5 Board) | PD | - | - | 225 | mW |
| Maximum Temperature Coefficient of VZ | ΔVZ | - | - | 20 | mV/°C |
| Capacitance @ VR = 0, f = 1 MHz | C | - | - | 16.8 | pF |
Key Features
- Low profile SOT-23 package for high-density PCB designs.
- 225 mW power dissipation rating on FR-5 board.
- Stable Zener voltage regulation with low impedance.
- Low forward voltage drop (VF = 0.9 V max @ IF = 10 mA).
- Temperature coefficient of Zener voltage is ±20 mV/°C.
- Designed for optimal automated board assembly.
Applications
The BZX84C2V4LT1 is well-suited for various applications, including:
- Cellular phones and other handheld portable devices.
- High-density PC boards.
- Voltage regulation in electronic circuits requiring stable voltage references.
Q & A
- What is the package type of the BZX84C2V4LT1?
The BZX84C2V4LT1 is packaged in a SOT-23 case. - What is the maximum power dissipation rating of the BZX84C2V4LT1 on an FR-5 board?
The maximum power dissipation rating is 225 mW. - What is the reverse Zener voltage range for the BZX84C2V4LT1?
The reverse Zener voltage range is approximately 2.4 V to 2.7 V at IZT = 5 mA. - What is the forward voltage drop of the BZX84C2V4LT1?
The forward voltage drop is 0.9 V maximum at IF = 10 mA. - What is the temperature coefficient of the Zener voltage?
The temperature coefficient of the Zener voltage is ±20 mV/°C. - What are some common applications for the BZX84C2V4LT1?
Common applications include cellular phones, handheld portables, and high-density PC boards. - Is the BZX84C2V4LT1 still in production?
No, the BZX84C2V4LT1 is obsolete and no longer manufactured. However, substitutes like the BZX84C2V4LT1G are available. - What is the maximum reverse leakage current of the BZX84C2V4LT1?
The maximum reverse leakage current is 0.05 μA at VR = 3.6 V. - What is the capacitance of the BZX84C2V4LT1 at VR = 0 and f = 1 MHz?
The capacitance is approximately 16.8 pF. - How is the Zener voltage measured for the BZX84C2V4LT1?
Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C.
