Overview
The 1N5343B is a 7.5V, 5W Zener diode manufactured by EIC SEMICONDUCTOR INC. This component is part of the 1N53 series, known for its high power handling and tight voltage regulation. The 1N5343B is housed in an axial lead, transfer-molded plastic package, providing protection against various environmental conditions. It is widely used in voltage regulation and stabilization applications due to its robust electrical characteristics and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 7.13 - 7.5 - 7.88 | V |
| Maximum Zener Impedance (ZZT) | 175 | Ω |
| Reverse Current (IZT) | 1.5 mA | mA |
| Maximum Surge Current | 180 W @ 8.3 ms | W @ ms |
| Reverse Leakage Current (IR) | 10 μA @ VR = 6.2 V | μA @ V |
| Maximum DC Zener Current (IZM) | 630 mA | mA |
| Forward Voltage (VF) | 1.2 V @ IF = 1.0 A | V @ A |
| Operating Temperature | -65°C to 150°C | °C |
| Package Type | DO-15, Axial Lead | - |
Key Features
- Tight Voltage Regulation: The 1N5343B offers a tight voltage regulation range, making it suitable for precise voltage stabilization applications.
- High Power Handling: With a power rating of 5W, this Zener diode can handle high current and power requirements.
- ESD Rating: It has an ESD rating of Class 3 (>16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
- Surge Rating: The component can withstand surge currents up to 180 W @ 8.3 ms.
- Pb-Free Packages Available: The 1N5343B is available in Pb-free packages, making it compliant with environmental regulations.
- Wide Operating Temperature Range: It operates within a temperature range of -65°C to 150°C, ensuring reliability in various environmental conditions.
Applications
- Voltage Regulation and Stabilization: The 1N5343B is commonly used in voltage regulator circuits to provide stable voltage outputs.
- Surge Protection: Its high surge current rating makes it suitable for protecting electronic circuits from voltage spikes and surges.
- Power Supplies: It is used in power supply units to regulate output voltages and ensure stable operation.
- Industrial and Automotive Electronics: The component's robustness and wide operating temperature range make it suitable for use in industrial and automotive applications.
Q & A
- What is the Zener voltage of the 1N5343B?
The Zener voltage of the 1N5343B ranges from 7.13V to 7.88V.
- What is the maximum power rating of the 1N5343B?
The maximum power rating of the 1N5343B is 5W.
- What is the package type of the 1N5343B?
The 1N5343B is housed in a DO-15, axial lead package.
- What is the ESD rating of the 1N5343B?
The ESD rating of the 1N5343B is Class 3 (>16 kV) per Human Body Model.
- What is the maximum surge current the 1N5343B can withstand?
The 1N5343B can withstand surge currents up to 180 W @ 8.3 ms.
- Is the 1N5343B available in Pb-free packages?
Yes, the 1N5343B is available in Pb-free packages.
- What is the operating temperature range of the 1N5343B?
The operating temperature range of the 1N5343B is -65°C to 150°C.
- What are common applications of the 1N5343B?
The 1N5343B is commonly used in voltage regulation, surge protection, power supplies, and industrial and automotive electronics.
- What is the forward voltage of the 1N5343B?
The forward voltage of the 1N5343B is 1.2V @ IF = 1.0A.
- What is the maximum DC Zener current of the 1N5343B?
The maximum DC Zener current of the 1N5343B is 630 mA.
