Overview
The 1N4733P/TR12 is a Zener diode produced by Microchip Technology, designed for voltage regulation applications. This component is part of the 1N47xx series, which is widely used for stabilizing voltage in electronic circuits. The 1N4733P/TR12 has a nominal Zener voltage of 5.1 volts and is rated for 1 watt of power dissipation, making it suitable for a variety of applications requiring reliable voltage regulation.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Zener Voltage (Vz) | 5.1V |
| Voltage Tolerance | +/- 10% |
| Power Dissipation | 1.0 watts |
| Operating and Storage Temperature | -65°C to +150°C |
| Thermal Resistance | 45°C/W (junction to lead), 105°C/W (junction to ambient on FR4 PC board) |
| Forward Voltage @200 mA | 1.2 volts (maximum) |
| Solder Temperatures | 260°C for 10 seconds (max) |
| Package Type | DO-41 (Plastic) |
| Polarity | Cathode indicated by band |
| RoHS Compliance | Yes (with 'e3' suffix) |
Key Features
- JEDEC registered part number
- Extensive voltage selection available within the 1N47xx series
- Options for screening in accordance with MIL-PRF-19500
- Surface mount equivalents available
- Regulates voltage over a broad operating current and temperature range
- 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
- Flexible axial-lead mounting terminals
Applications
The 1N4733P/TR12 Zener diode is suitable for various voltage regulation applications, including:
- Voltage stabilization in power supplies
- Signal clipping and clamping
- Overvoltage protection
- Audio and RF circuits requiring stable voltage references
- Automotive and industrial control systems
Q & A
- What is the nominal Zener voltage of the 1N4733P/TR12? The nominal Zener voltage is 5.1 volts.
- What is the power dissipation rating of the 1N4733P/TR12? The power dissipation rating is 1.0 watts.
- What is the operating temperature range for the 1N4733P/TR12? The operating temperature range is -65°C to +150°C.
- Is the 1N4733P/TR12 RoHS compliant? Yes, it is RoHS compliant, especially with the 'e3' suffix.
- What package type is the 1N4733P/TR12 available in? It is available in a DO-41 (Plastic) package.
- How is the polarity of the 1N4733P/TR12 indicated? The polarity is indicated by a band on the cathode side.
- What are the soldering temperatures for the 1N4733P/TR12? The maximum solder temperature is 260°C for 10 seconds.
- Is the 1N4733P/TR12 sensitive to ESD? No, it is nonsensitive to ESD per MIL-STD-750 Method 1020.
- What is the moisture classification for the 1N4733P/TR12? The moisture classification is Level 1 per IPC/JEDEC J-STD-020B with no dry pack required.
- What are some common applications for the 1N4733P/TR12? Common applications include voltage stabilization, signal clipping and clamping, overvoltage protection, and use in audio and RF circuits.
