Overview
The NTE 1N5349B is a 12V, 5W axial-lead, glass-passivated Zener diode manufactured by NTE Electronics, Inc. This component is designed for general-purpose voltage regulation and is suitable for applications requiring high surge current ratings. The diode features a current rating of 3.0A and a maximum forward voltage drop of 1.1V at 3A, making it versatile for use in power supplies, converters, and other high-current applications.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | NTE Electronics, Inc |
| Voltage - Zener (Nom) (Vz) | 12 V |
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 1 A |
| Tolerance | ±5% |
| Package / Case | T-18, Axial |
| Mounting Type | Through Hole |
| Power - Max | 5 W |
| Operating Temperature | -65°C ~ 200°C |
| Impedance (Max) (Zzt) | 2.5 Ohms |
| Current - Reverse Leakage @ Vr | 2 µA @ 9.1 V |
| RoHS Status | RoHS non-compliant (Note: Check specific part numbers for RoHS compliance) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- High Surge Current Rating: The 1N5349B can handle high surge currents, making it suitable for applications requiring robust voltage regulation.
- Low Forward Voltage Drop: With a maximum forward voltage drop of 1.1V at 3A, this diode minimizes energy loss in forward bias conditions.
- Wide Operating Temperature Range: The diode operates within a temperature range of -65°C to 200°C, ensuring reliability in various environmental conditions.
- Glass-Passivated Junction: This construction enhances the diode's reliability and stability by protecting the junction from environmental stress.
- Axial Lead Package: The T-18 axial lead package is convenient for through-hole mounting and provides good thermal dissipation.
Applications
- Power Supplies: The 1N5349B is ideal for voltage regulation in power supply circuits due to its high surge current rating and low forward voltage drop.
- Converters: It is suitable for use in DC-DC converters and other power conversion applications where stable voltage regulation is critical.
- General Purpose Rectification: The diode can be used in various general-purpose rectifier applications requiring high current handling capabilities.
- Surge Protection: Its ability to handle high surge currents makes it a good choice for surge protection circuits.
Q & A
- What is the nominal Zener voltage of the 1N5349B?
The nominal Zener voltage of the 1N5349B is 12V.
- What is the maximum power dissipation of the 1N5349B?
The maximum power dissipation of the 1N5349B is 5W.
- What is the operating temperature range of the 1N5349B?
The operating temperature range of the 1N5349B is -65°C to 200°C.
- What is the maximum forward voltage drop of the 1N5349B at 3A?
The maximum forward voltage drop of the 1N5349B at 3A is 1.1V.
- Is the 1N5349B RoHS compliant?
The RoHS compliance of the 1N5349B can vary by part number; some versions are RoHS non-compliant, while others may be compliant. Always check the specific part number for RoHS status.
- What is the package type of the 1N5349B?
The 1N5349B comes in a T-18 axial lead package.
- What is the reverse leakage current of the 1N5349B at 9.1V?
The reverse leakage current of the 1N5349B at 9.1V is 2 µA.
- What are some common applications of the 1N5349B?
The 1N5349B is commonly used in power supplies, converters, general-purpose rectification, and surge protection circuits.
- What is the impedance (Zzt) of the 1N5349B?
The impedance (Zzt) of the 1N5349B is 2.5 Ohms.
- What is the moisture sensitivity level (MSL) of the 1N5349B?
The moisture sensitivity level (MSL) of the 1N5349B is 1 (Unlimited).
