Overview
The 1N4937GHR1G is a fast recovery rectifier diode produced by Taiwan Semiconductor Corporation. This diode is designed for high-efficiency applications requiring fast switching times and high current capability. It features a glass passivated die construction and a diffused junction, ensuring reliable operation in various electrical environments. The 1N4937GHR1G is part of the 1N4933G to 1N4937G series, which offers a range of voltage ratings, but this specific model is rated for 600V DC reverse voltage and 1A average rectified current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Taiwan Semiconductor Corporation | |
| Model Name | 1N4937GHR1G | |
| Voltage - DC Reverse (Vr) (Max) | 600 | V |
| Current - Average Rectified (Io) | 1 | A |
| Voltage - Forward (Vf) (Max) @ If | 1.2 @ 1 A | V |
| Reverse Recovery Time (trr) | 200 | ns |
| Current - Reverse Leakage @ Vr | 5 µA @ 600 V | |
| Capacitance @ Vr, F | 10 pF @ 4V, 1MHz | |
| Mounting Type | Through Hole | |
| Package / Case | DO-204AL, DO-41, Axial | |
| Operating Temperature - Junction | -55°C ~ 150°C |
Key Features
- Glass Passivated Die Construction: Ensures reliable operation and high surge current capability.
- Diffused Junction: Provides high efficiency and fast switching times.
- Fast Recovery Time: Less than 500ns, making it suitable for high-frequency applications.
- High Current Capability: Rated for 1A average rectified current.
- Low Forward Voltage Drop: Maximum forward voltage of 1.2V at 1A.
- Surge Overload Rating: Up to 30A peak non-repetitive forward surge current.
- Lead Free Finish, RoHS Compliant: Meets EU Directive 2002/95/EC (RoHS) standards.
Applications
- Power Supplies: Suitable for use in rectifier circuits in power supplies due to its high current and voltage ratings.
- Motor Control: Used in motor control circuits where fast recovery times are essential.
- High-Frequency Switching: Ideal for applications requiring fast switching times, such as inverter circuits and switching power supplies.
- General Rectification: Can be used in various general-purpose rectification applications where reliability and efficiency are critical.
Q & A
- What is the maximum DC reverse voltage rating of the 1N4937GHR1G diode?
The maximum DC reverse voltage rating is 600V.
- What is the average rectified current rating of the 1N4937GHR1G diode?
The average rectified current rating is 1A.
- What is the forward voltage drop at 1A for the 1N4937GHR1G diode?
The forward voltage drop at 1A is 1.2V.
- What is the reverse recovery time of the 1N4937GHR1G diode?
The reverse recovery time is less than 200ns.
- Is the 1N4937GHR1G diode RoHS compliant?
Yes, the diode is lead-free and RoHS compliant.
- What are the typical operating temperature ranges for the 1N4937GHR1G diode?
The operating temperature range is -55°C to 150°C.
- What type of package does the 1N4937GHR1G diode come in?
The diode comes in DO-204AL, DO-41, and Axial packages.
- What is the maximum non-repetitive peak forward surge current for the 1N4937GHR1G diode?
The maximum non-repetitive peak forward surge current is 30A.
- Is the 1N4937GHR1G diode suitable for high-frequency applications?
Yes, it is suitable due to its fast recovery time and high efficiency.
- What is the typical junction capacitance of the 1N4937GHR1G diode?
The typical junction capacitance is 10 pF at 4V and 1MHz.
