Overview
The 1N5349B is a high-power Zener diode manufactured by Microsemi Corporation and other reputable manufacturers such as ON Semiconductor and Diotec Semiconductor. This diode is designed to provide voltage regulation in various electronic circuits. It features a nominal Zener voltage of 12V and a maximum power dissipation of 5 watts, making it suitable for applications requiring stable voltage regulation under high current conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Zener Voltage (Vz) | 12 | V |
| Maximum Power Dissipation | 5 | W |
| Tolerance of Zener Voltage | ±5% | - |
| Maximum Zener Impedance (Zzt) | 2.5 | Ω |
| Forward Voltage (Vf) @ If | 1.2V @ 1A | - |
| Reverse Leakage Current @ Vr | 5µA @ 7.2V | - |
| Operating Temperature Range | -65°C to +150°C | - |
| Package Type | T-18, Axial | - |
| Mounting Type | Through Hole | - |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | - |
Key Features
- High power dissipation of up to 5 watts.
- Nominal Zener voltage of 12V with a tolerance of ±5%.
- Low Zener impedance (Zzt) of 2.5 ohms.
- Forward voltage of 1.2V at 1A.
- Reverse leakage current of 5µA at 7.2V.
- Wide operating temperature range from -65°C to +150°C.
- Lead-free and RoHS compliant.
- Through-hole mounting in T-18 axial package.
Applications
- Voltage regulation in power supplies and DC-DC converters.
- Overvoltage protection in electronic circuits.
- Stabilization of voltage in audio and video equipment.
- Use in automotive and industrial control systems.
- Surge protection and transient suppression.
Q & A
- What is the nominal Zener voltage of the 1N5349B diode?
The nominal Zener voltage of the 1N5349B diode is 12V.
- What is the maximum power dissipation of the 1N5349B diode?
The maximum power dissipation of the 1N5349B diode is 5 watts.
- What is the tolerance of the Zener voltage for the 1N5349B diode?
The tolerance of the Zener voltage for the 1N5349B diode is ±5%.
- What is the forward voltage of the 1N5349B diode at 1A?
The forward voltage of the 1N5349B diode at 1A is 1.2V.
- What is the reverse leakage current of the 1N5349B diode at 7.2V?
The reverse leakage current of the 1N5349B diode at 7.2V is 5µA.
- What is the operating temperature range of the 1N5349B diode?
The operating temperature range of the 1N5349B diode is from -65°C to +150°C.
- Is the 1N5349B diode lead-free and RoHS compliant?
Yes, the 1N5349B diode is lead-free and RoHS compliant.
- What type of package does the 1N5349B diode come in?
The 1N5349B diode comes in a T-18 axial package.
- What are some common applications of the 1N5349B diode?
The 1N5349B diode is commonly used in voltage regulation, overvoltage protection, and surge protection in various electronic systems.
- Can the 1N5349B diode be used in automotive applications?
Yes, the 1N5349B diode can be used in automotive applications due to its robust specifications and wide operating temperature range.
