Overview
The MMSZ4705T1G is a Zener voltage regulator diode produced by onsemi, designed for various voltage regulation and protection applications. It is part of the MMSZ4xxxT1G series, which offers a wide range of Zener reverse voltages in a convenient surface mount SOD-123 package. This diode is suitable for high-density applications due to its small package size and is optimized for automated board assembly.
The device features a 500 mW power rating on FR-4 or FR-5 boards, a wide Zener reverse voltage range from 1.8 V to 43 V, and a low reverse current (IZT) of 50 μA. It also boasts an ESD rating of Class 3 (> 16 kV) per the Human Body Model and is Pb-free and RoHS compliant.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Zener Voltage (VZ) | 17.1 - 18.9 | V |
| Reverse Current (IZT) | 50 | μA |
| Total Power Dissipation on FR-5 Board | 500 mW | mW |
| Thermal Resistance, Junction-to-Ambient (RJA) | 340 | °C/W |
| Thermal Resistance, Junction-to-Lead (RJL) | 150 | °C/W |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| Maximum Case Temperature for Soldering | 260 | °C (for 10 seconds) |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Package Type | SOD-123 | |
| Polarity | Cathode indicated by polarity band | |
| Flammability Rating | UL 94 V-0 |
Key Features
- 500 mW power rating on FR-4 or FR-5 boards
- Wide Zener reverse voltage range from 1.8 V to 43 V
- Low reverse current (IZT) of 50 μA
- Package designed for optimal automated board assembly
- Small package size for high-density applications
- ESD rating of Class 3 (> 16 kV) per the Human Body Model
- Pb-free and RoHS compliant
- AEC-Q101 qualified and PPAP capable
- SZ prefix for automotive and other applications requiring unique site and control change requirements
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various electronic devices
- High-density applications requiring compact packaging
- Automotive and industrial applications due to AEC-Q101 qualification
Q & A
- What is the power rating of the MMSZ4705T1G on FR-4 or FR-5 boards?
The power rating is 500 mW.
- What is the Zener voltage range for the MMSZ4705T1G?
The Zener voltage range is from 17.1 V to 18.9 V.
- What is the reverse current (IZT) of the MMSZ4705T1G?
The reverse current (IZT) is 50 μA.
- What is the thermal resistance, junction-to-ambient (RJA) of the MMSZ4705T1G?
The thermal resistance, junction-to-ambient (RJA) is 340 °C/W.
- Is the MMSZ4705T1G Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What is the ESD rating of the MMSZ4705T1G?
The ESD rating is Class 3 (> 16 kV) per the Human Body Model.
- What package type does the MMSZ4705T1G use?
The package type is SOD-123.
- Is the MMSZ4705T1G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable.
- What are some common applications of the MMSZ4705T1G?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
