Overview
The 1N4937GP is a fast recovery rectifier diode produced by ON Semiconductor. This component is part of the 1N4933GP to 1N4937GP series, known for their high reliability and performance in various electrical applications. The 1N4937GP is housed in a DO-41 (DO-204AL) package, which is a molded epoxy over glass body, meeting the UL 94 V-0 flammability rating. The diode features a high temperature metallurgically bonded construction and a sintered glass cavity-free junction, ensuring robust and efficient operation.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | 600 | V |
| Maximum RMS Voltage | VRMS | 420 | V |
| Maximum DC Blocking Voltage | VDC | 600 | V |
| Maximum Average Forward Rectified Current | IF(AV) | 1.0 | A |
| Peak Forward Surge Current | IFSM | 30 | A |
| Operating Junction Temperature | TJ | -50 to +150 | °C |
| Storage Temperature Range | TSTG | -50 to +150 | °C |
| Forward Voltage | VF | 1.2 | V |
| Reverse Recovery Time | trr | 200 ns | |
| Reverse Current at Rated VR | IR | 5.0 μA (at TA = 25°C), 100 μA (at TA = 125°C) | |
| Total Capacitance | CJ | 15 pF (at VR = 4.0 V, f = 1 MHz) | |
| Thermal Resistance, Junction-to-Ambient | RθJA | 55 °C/W |
Key Features
- High Temperature Metallurgically Bonded Construction: Ensures high reliability and performance in high-temperature environments.
- Sintered Glass Cavity-Free Junction: Provides a robust and efficient operation by minimizing the risk of junction failures.
- Low Forward Voltage Drop: Reduces power losses and improves efficiency in rectification applications.
- High Surge Current Capability: Handles peak forward surge currents up to 30 A, making it suitable for applications with high transient currents.
- High Current Capability: Supports an average rectified forward current of 1.0 A, suitable for various power rectification needs.
- Fast Recovery Time: With a reverse recovery time of 200 ns, it is ideal for fast switching applications.
- UL 94 V-0 Flammability Rating: The molded epoxy over glass body meets stringent safety standards.
Applications
- Power Supplies: Used in rectifier circuits for converting AC to DC.
- DC-DC Converters: Suitable for high-efficiency DC-DC conversion applications.
- Freewheeling Diodes: Used in motor control and power electronics to protect against back EMF.
- Consumer and Telecommunication Equipment: Ideal for use in various consumer and telecommunication devices requiring reliable rectification.
- General Rectification: Used in a wide range of applications requiring efficient and reliable rectification of electrical currents.
Q & A
- What is the maximum repetitive reverse voltage (VRRM) of the 1N4937GP diode?
The maximum repetitive reverse voltage (VRRM) of the 1N4937GP diode is 600 V.
- What is the maximum average forward rectified current (IF(AV)) of the 1N4937GP diode?
The maximum average forward rectified current (IF(AV)) of the 1N4937GP diode is 1.0 A.
- What is the peak forward surge current (IFSM) of the 1N4937GP diode?
The peak forward surge current (IFSM) of the 1N4937GP diode is 30 A.
- What is the operating junction temperature range of the 1N4937GP diode?
The operating junction temperature range of the 1N4937GP diode is -50 to +150 °C.
- What is the forward voltage (VF) of the 1N4937GP diode at 1.0 A?
The forward voltage (VF) of the 1N4937GP diode at 1.0 A is 1.2 V.
- What is the reverse recovery time (trr) of the 1N4937GP diode?
The reverse recovery time (trr) of the 1N4937GP diode is 200 ns.
- What is the thermal resistance, junction-to-ambient (RθJA), of the 1N4937GP diode?
The thermal resistance, junction-to-ambient (RθJA), of the 1N4937GP diode is 55 °C/W.
- In what package is the 1N4937GP diode available?
The 1N4937GP diode is available in a DO-41 (DO-204AL) package.
- What are some common applications of the 1N4937GP diode?
The 1N4937GP diode is commonly used in power supplies, DC-DC converters, freewheeling diodes, and general rectification applications.
- Does the 1N4937GP diode meet any specific safety standards?
Yes, the 1N4937GP diode meets the UL 94 V-0 flammability rating.
