Overview
The 1N5343BG is a 5 Watt Surmetic 40 Zener Voltage Regulator produced by onsemi. This component is part of the 1N53 series, which offers tight voltage limits and superior operating characteristics due to its silicon-oxide passivated junctions. The device is packaged in an axial-lead, transfer-molded plastic case, providing protection against various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (VZ) at IZT | 7.13 V (Min), 7.5 V (Nom), 7.88 V (Max) |
| Maximum Zener Impedance (ZZT) at IZT | 175 Ω |
| Reverse Current (IZK) at IZK | 1.5 mA |
| Reverse Leakage Current (IR) at VR | 10 μA |
| Maximum DC Zener Current (IZM) | 5 Watts / VZ |
| Maximum Surge Current | Up to 180 W @ 8.3 ms |
| Maximum Operating Temperature | 150°C (DC), 200°C (pulsed conditions) |
| Package Type | Axial-lead, transfer-molded plastic |
| Pb-Free | Available |
| Weight | Approx. 0.7 grams |
Key Features
- Zener Voltage Range: 3.3 V to 200 V
- ESD Rating: Class 3 (>16 kV) per Human Body Model
- Surge Rating: Up to 180 W @ 8.3 ms
- Maximum Limits Guaranteed on Seven Electrical Parameters
- Void-free, transfer-molded, thermo-setting plastic package
- Corrosion-resistant external surfaces and readily solderable leads
- Pb-Free packages available
- Cathode indicated by color band
- Any mounting position
Applications
The 1N5343BG Zener diode is suitable for various applications requiring voltage regulation and surge protection. These include:
- Voltage regulation in power supplies and DC-DC converters
- Surge protection in electronic circuits
- Clamping and clipping circuits
- Reference voltage sources
- Overvoltage protection in automotive and industrial electronics
Q & A
- What is the Zener voltage range of the 1N5343BG?
The Zener voltage range for the 1N5343BG is 7.13 V (Min), 7.5 V (Nom), and 7.88 V (Max). - What is the maximum surge rating of the 1N5343BG?
The maximum surge rating is up to 180 W @ 8.3 ms. - What is the maximum operating temperature for the 1N5343BG?
The maximum operating temperature is 150°C for DC conditions and up to 200°C for pulsed conditions with low duty cycle or non-repetitive. - Is the 1N5343BG Pb-Free?
- What is the package type of the 1N5343BG?
The package type is axial-lead, transfer-molded plastic.- What is the ESD rating of the 1N5343BG?
The ESD rating is Class 3 (>16 kV) per Human Body Model.- How is the polarity indicated on the 1N5343BG?
The polarity is indicated by a color band on the cathode.- What are some common applications of the 1N5343BG?
Common applications include voltage regulation, surge protection, clamping and clipping circuits, reference voltage sources, and overvoltage protection in automotive and industrial electronics.- What is the weight of the 1N5343BG?
The weight is approximately 0.7 grams.- Can the 1N5343BG be mounted in any position?
- What is the package type of the 1N5343BG?
