Overview
The BZX84C47-E3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its high reliability and precision in voltage regulation. The BZX84C47-E3-18 is specifically designed to provide a stable Zener voltage of 47V, making it suitable for a wide range of applications requiring voltage stabilization and transient protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 45.6 to 48.4 | V |
| Test Current (IZT) | 2 mA | mA |
| Reverse Leakage Current (IR) | 0.05 μA | μA |
| Dynamic Resistance (ZZ) | 240 Ω | Ω |
| Temperature Coefficient (αVZ) | 10 x 10^-4 /°C | 10^-4 /°C |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance (RthJA) | 420 K/W | K/W |
| Junction Temperature (Tj) | 150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Operating Temperature Range (Top) | -55 to +150 °C | °C |
| Package | SOT-23 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | |
| Soldering Conditions | Peak temperature max. 260 °C | °C |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and available in commercial and automotive grades.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- Low dynamic resistance and excellent temperature stability.
- Compact SOT-23 package suitable for automated placement.
- UL 94 V-0 flammability rating for the molding compound.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Transient protection against voltage spikes and surges.
- Automotive, consumer, computer, industrial, and telecommunication applications.
- Protection of sensitive electronics from inductive load switching and lightning-induced voltage transients.
Q & A
- What is the Zener voltage of the BZX84C47-E3-18?
The Zener voltage range is 45.6 to 48.4 V.
- What is the test current (IZT) for this diode?
The test current (IZT) is 2 mA.
- Is the BZX84C47-E3-18 AEC-Q101 qualified?
- What is the maximum junction temperature (Tj) for this diode?
The maximum junction temperature (Tj) is 150 °C.
- What is the power dissipation (Ptot) of the BZX84C47-E3-18?
The power dissipation (Ptot) is 300 mW.
- What is the package type of the BZX84C47-E3-18?
The package type is SOT-23.
- Is the BZX84C47-E3-18 RoHS-compliant?
- What is the moisture sensitivity level of the BZX84C47-E3-18?
The moisture sensitivity level is MSL level 1 (according J-STD-020).
- What are the typical applications of the BZX84C47-E3-18?
Typical applications include voltage regulation, transient protection, and protection of sensitive electronics in various industries.
- What is the flammability rating of the molding compound used in the BZX84C47-E3-18?
The molding compound meets the UL 94 V-0 flammability rating.
