Overview
The SZBZX84C4V7ET1G is a Zener voltage regulator diode produced by onsemi, designed for voltage regulation in a variety of applications. This device is part of the BZX84CxxxET1G series and is packaged in a surface-mount SOT-23 package, making it ideal for high-density PCBs and portable electronic devices.
It is AEC-Q101 qualified and PPAP capable, ensuring reliability and compliance with automotive and other stringent application requirements. The device is also Pb-free and RoHS compliant, aligning with environmental regulations.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT | VZ | 4.4 | 4.7 | 5.0 | V |
| Maximum Zener Impedance @ IZT | ZZT | 3.7 | 4.7 | 5.4 | Ω |
| Reverse Leakage Current @ VR | IR | 0.2 | - | - | μA |
| Forward Voltage @ IF | VF | - | - | 0.90 | V |
| Peak Power Dissipation @ 20 µs | Ppk | - | - | 225 | W |
| Total Power Dissipation on FR-5 Board @ TA = 25°C | PD | - | - | 250 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 500 | mW/°C |
| Junction and Storage Temperature Range | TJ, Tstg | -65 | - | +150 | °C |
Key Features
- 250 mW rating on FR-4 or FR-5 board, making it suitable for high-density applications.
- Zener breakdown voltage range from 2.4 V to 75 V, offering flexibility in voltage regulation.
- Small SOT-23 package designed for optimal automated board assembly.
- ESD rating of Class 3 (> 16 kV) per Human Body Model, ensuring robust protection against electrostatic discharge.
- Pb-free and RoHS compliant, aligning with environmental regulations.
- AEC-Q101 qualified and PPAP capable, suitable for automotive and other stringent applications.
- Corrosion-resistant finish and easily solderable.
- Maximum case temperature for soldering purposes: 260°C for 10 seconds.
Applications
- Cellular phones and other handheld portable devices.
- High-density PC boards and other compact electronic systems.
- Automotive electronics requiring AEC-Q101 qualification.
- Voltage regulation in power supplies and DC-DC converters.
- Protection circuits against voltage spikes and overvoltages.
Q & A
- What is the primary function of the SZBZX84C4V7ET1G diode?
The primary function is to regulate voltage and provide protection against voltage spikes and overvoltages.
- What is the Zener breakdown voltage range for this diode?
The Zener breakdown voltage for the SZBZX84C4V7ET1G is between 4.4 V and 5.0 V.
- What is the maximum power dissipation rating for this diode on an FR-5 board?
The maximum power dissipation rating is 250 mW at TA = 25°C.
- Is the SZBZX84C4V7ET1G diode suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other stringent applications.
- What is the ESD rating of this diode?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the package type and size of the SZBZX84C4V7ET1G diode?
The diode is packaged in a surface-mount SOT-23 package.
- Is the SZBZX84C4V7ET1G diode Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What are some common applications of the SZBZX84C4V7ET1G diode?
Common applications include cellular phones, handheld portables, high-density PC boards, and automotive electronics.
- How does the SZBZX84C4V7ET1G diode protect against electrostatic discharge?
The diode has an ESD rating of Class 3 (> 16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
