Overview
The 1N4937G-T is a single-phase, fast recovery rectifier diode produced by Diodes Incorporated. This component is part of the 1N4933G to 1N4937G series, known for its high current capability and low forward voltage drop. The 1N4937G-T is designed for high-efficiency applications, particularly in power supply circuits, and is suitable for use in various electronic systems requiring reliable and efficient rectification.
Key Specifications
| Characteristic | Symbol | 1N4937G | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 600 | V |
| Working Peak Reverse Voltage | VRWM | 600 | V |
| DC Blocking Voltage | VR | 600 | V |
| RMS Reverse Voltage | VR(RMS) | 420 | V |
| Average Rectified Output Current @ TA = 75°C | IO | 1.0 | A |
| Non-Repetitive Peak Forward Surge Current (8.3ms single half sine-wave) | IFSM | 30 | A |
| Forward Voltage @ IF = 1.0A | VFM | 1.2 | V |
| Peak Reverse Current @ TA = 25°C at Rated DC Blocking Voltage @ TA = 100°C | IRM | 5.0 / 100 | μA |
| Reverse Recovery Time | trr | 200 | ns |
| Typical Junction Capacitance (at 1.0MHz and 4.0V DC) | Cj | 15 | pF |
| Typical Thermal Resistance Junction to Ambient | RθJA | 100 | K/W |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Case | DO-41 | ||
| Case Material | Molded Plastic (UL Flammability Classification Rating 94V-0) | ||
| Terminals | Plated Leads Solderable per MIL-STD-202, Method 208 | ||
| Polarity | Cathode Band | ||
| Weight | Approximately 0.35 grams |
Key Features
- Glass Passivated Die Construction: Ensures high reliability and durability.
- Diffused Junction: Enhances the diode's performance and stability.
- Fast Switching for High Efficiency: Ideal for applications requiring quick switching times.
- High Current Capability and Low Forward Voltage Drop: Supports high current applications with minimal voltage loss.
- Surge Overload Rating to 30A Peak: Provides protection against sudden current surges.
- Lead Free Finish, RoHS Compliant: Meets environmental regulations and is suitable for use in eco-friendly designs.
- High Reliability: Designed to operate reliably in various environmental conditions.
Applications
- Power Supply Circuits: Suitable for use in rectifier circuits, voltage regulators, and other power supply applications.
- Electronic Systems: Can be used in a variety of electronic systems requiring efficient rectification, such as audio equipment, automotive systems, and industrial control systems.
- High-Efficiency Designs: Ideal for applications where fast switching and low forward voltage drop are critical.
Q & A
- What is the peak repetitive reverse voltage of the 1N4937G-T diode?
The peak repetitive reverse voltage (VRRM) of the 1N4937G-T diode is 600V.
- What is the average rectified output current of the 1N4937G-T at 75°C?
The average rectified output current (IO) at 75°C is 1.0A.
- What is the non-repetitive peak forward surge current rating of the 1N4937G-T?
The non-repetitive peak forward surge current (IFSM) is 30A for an 8.3ms single half sine-wave.
- What is the forward voltage drop at 1.0A for the 1N4937G-T?
The forward voltage drop (VFM) at 1.0A is 1.2V.
- Is the 1N4937G-T RoHS compliant?
Yes, the 1N4937G-T is lead-free and RoHS compliant.
- What is the typical junction capacitance of the 1N4937G-T?
The typical junction capacitance (Cj) is 15pF measured at 1.0MHz and 4.0V DC.
- What is the operating temperature range for the 1N4937G-T?
The operating and storage temperature range is -65°C to +150°C.
- What is the case type and material of the 1N4937G-T?
The case type is DO-41, and the material is molded plastic with a UL Flammability Classification Rating of 94V-0.
- Are the terminals of the 1N4937G-T solderable?
Yes, the terminals are plated leads that are solderable per MIL-STD-202, Method 208.
- What is the polarity marking of the 1N4937G-T?
The polarity is marked by a cathode band.
