Overview
The 1N5337B/TR12 is a 5-watt Zener diode produced by Microsemi Corporation. This component is part of the JEDEC registered 1N5333B through 1N5388B series, which offers a wide range of Zener voltages. The 1N5337B/TR12 is specifically designed to regulate voltage at 4.7 volts with a ±5% tolerance. It is encapsulated in a T-18 axial-lead package, making it suitable for through-hole mounting. This diode is known for its high power handling and stability over a broad range of operating currents and temperatures.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | 1N5337B/TR12 | - |
| Manufacturer | Microsemi Corporation | - |
| Voltage - Zener (Nom) (Vz) | 4.7V | V |
| Tolerance | ±5% | - |
| Power - Max | 5W | W |
| Impedance (Max) (Zzt) | 2 Ohms | Ohms |
| Current - Reverse Leakage @ Vr | 5µA @ 1V | µA @ V |
| Voltage - Forward (Vf) (Max) @ If | 1.2V @ 1A | V @ A |
| Operating Temperature | -65°C ~ 150°C | °C |
| Mounting Type | Through Hole | - |
| Package / Case | T-18, Axial | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | - |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant | - |
Key Features
- JEDEC registered 1N5333B through 1N5388B series, offering a wide selection of Zener voltages from 3.3 to 200 volts.
- Available with ±5%, ±10%, and ±2% voltage tolerances.
- High power handling of up to 5 watts.
- Flexible axial-lead mounting terminals.
- Non-sensitive to ESD per MIL-STD-750 method 1020.
- Withstands high surge stresses.
- Minimal changes of voltage versus current.
- High specified maximum current (IZM) with adequate heat sinking.
- Moisture classification is “Level 1” per IPC/JEDEC J-STD-020B with no dry pack required.
Applications
- Voltage regulation over broad operating current and temperature ranges.
- Surge protection and transient voltage suppression.
- Stabilization of voltage in power supplies and electronic circuits.
- Clamping and clipping circuits to limit voltage levels.
- Protection against overvoltage conditions in various electronic devices.
Q & A
- What is the nominal Zener voltage of the 1N5337B/TR12?
The nominal Zener voltage is 4.7 volts.
- What is the maximum power handling of the 1N5337B/TR12?
The maximum power handling is 5 watts.
- What is the tolerance of the Zener voltage for the 1N5337B/TR12?
The tolerance is ±5%.
- What is the operating temperature range of the 1N5337B/TR12?
The operating temperature range is -65°C to 150°C.
- Is the 1N5337B/TR12 RoHS compliant?
No, the 1N5337B/TR12 contains lead and is not RoHS compliant.
- What is the maximum forward voltage drop at 1A for the 1N5337B/TR12?
The maximum forward voltage drop at 1A is 1.2 volts.
- What is the maximum reverse leakage current at 1V for the 1N5337B/TR12?
The maximum reverse leakage current at 1V is 5µA.
- What is the moisture sensitivity level (MSL) of the 1N5337B/TR12?
The moisture sensitivity level is 1 (Unlimited).
- What type of package does the 1N5337B/TR12 come in?
The 1N5337B/TR12 comes in a T-18 axial-lead package.
- Is the 1N5337B/TR12 sensitive to ESD?
No, the 1N5337B/TR12 is non-sensitive to ESD per MIL-STD-750 method 1020.
