Overview
The 1N4733E3/TR13 is a 1-watt Zener diode produced by Microchip Technology (formerly Microsemi). This component is part of the 1N4728A to 1N4764A series, known for their reliability and versatility in voltage regulation applications. The 1N4733E3/TR13 is specifically designed to provide a stable voltage reference at 5.1 volts with a tolerance of ±5%.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 5.1 V |
| Tolerance | ±5% |
| Supplier Device Package | DO-41, DO-204AL |
| Power - Max | 1 W |
| Operating Temperature | -65°C to +200°C |
| Mounting Type | Through Hole |
| Impedance (Max) (Zzt) | 7 Ohms |
| Current - Reverse Leakage @ Vr | 10 µA @ 1 V |
| Thermal Resistance | 45 ºC/W junction to lead, 105ºC/W junction to ambient |
| Forward Voltage @200 mA | 1.2 volts (maximum) |
| Solder Temperatures | 260 ºC for 10 s (max) |
Key Features
- JEDEC registered part number with ±5% tolerance on nominal Zener voltage.
- Extensive voltage selection from 3.3 to 100 volts available in the series.
- RoHS Compliant devices available with the 'e3' suffix.
- Flexible axial-lead mounting terminals.
- Nonsensitive to ESD per MIL-STD-750 Method 1020.
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B with no dry pack required.
- Void-free transfer molded thermosetting epoxy body meeting UL94V-0.
- Tin-Lead (Sn/Pb) or RoHS Compliant annealed matte-Tin plating solderable per MIL-STD-750, method 2026.
Applications
The 1N4733E3/TR13 Zener diode is suitable for a variety of applications requiring voltage regulation and stabilization. These include:
- Voltage regulation in power supplies and DC-DC converters.
- Overvoltage protection circuits.
- Reference voltage sources in analog circuits.
- Military and aerospace applications where high reliability and stability are required.
- Industrial control systems and automation.
Q & A
- What is the nominal Zener voltage of the 1N4733E3/TR13?
The nominal Zener voltage is 5.1 volts.
- What is the tolerance on the Zener voltage for this component?
The tolerance is ±5%.
- What is the maximum power dissipation of the 1N4733E3/TR13?
The maximum power dissipation is 1 watt.
- What are the operating temperature ranges for this Zener diode?
The operating temperature range is -65°C to +200°C.
- Is the 1N4733E3/TR13 RoHS Compliant?
- What is the thermal resistance of the 1N4733E3/TR13?
The thermal resistance is 45 ºC/W junction to lead and 105ºC/W junction to ambient.
- What is the maximum forward voltage at 200 mA for this diode?
The maximum forward voltage at 200 mA is 1.2 volts.
- How is the polarity of the 1N4733E3/TR13 indicated?
The polarity is indicated by a band on the cathode end.
- What are the soldering temperatures for this component?
The soldering temperature is 260 ºC for 10 seconds maximum.
- Is the 1N4733E3/TR13 sensitive to ESD?
No, it is nonsensitive to ESD per MIL-STD-750 Method 1020.
