Overview
The 1N4937GPHM3/54 is a general-purpose rectifier diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the 1N4933 to 1N4937 series, which are designed for various rectification applications. Although the specific part number 1N4937GPHM3/54 is listed as obsolete, the general characteristics and features of this series remain relevant.
These diodes are housed in a DO-41 (DO-204AL) package, which is a molded epoxy over glass body with matte tin plated leads. They are RoHS-compliant and meet the UL 94 V-0 flammability rating.
Key Specifications
| Parameter | Symbol | 1N4937GP | Unit |
|---|---|---|---|
| Maximum Repetitive Peak 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 |
| Maximum Instantaneous Forward Voltage | VF | 1.2 | V |
| Maximum DC Reverse Current | IR | 5.0 μA | |
| Reverse Recovery Time | trr | 200 ns | |
| Typical Junction Capacitance | CJ | 15 pF | |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +175 °C | |
| Package | DO-41 (DO-204AL) |
Key Features
- High Voltage Ratings: The 1N4937GP has a maximum repetitive peak reverse voltage of 600 V, making it suitable for high-voltage applications.
- Low Forward Voltage: The diode has a maximum instantaneous forward voltage of 1.2 V, which is beneficial for reducing power losses.
- Fast Recovery Time: With a reverse recovery time of 200 ns, this diode is suitable for applications requiring fast switching.
- High Peak Forward Surge Current: The diode can handle a peak forward surge current of 30 A, making it robust against transient conditions.
- RoHS Compliance: The component is RoHS-compliant and meets the UL 94 V-0 flammability rating, ensuring environmental and safety standards are met.
Applications
- Rectification in Power Supplies: These diodes are commonly used in power supply circuits for rectification due to their high voltage and current ratings.
- Consumer and Telecommunication Equipment: They are suitable for use in consumer electronics and telecommunication devices where reliable rectification is necessary.
- Industrial and Automotive Systems: The diodes can be used in various industrial and automotive applications where high reliability and performance are required.
- Free-Wheeling Diodes: They can serve as free-wheeling diodes in inductive load circuits to protect against back EMF.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4937GP?
The maximum repetitive peak reverse voltage is 600 V.
- What is the package type of the 1N4937GP?
The package type is DO-41 (DO-204AL).
- What is the maximum average forward rectified current of the 1N4937GP?
The maximum average forward rectified current is 1.0 A.
- What is the reverse recovery time of the 1N4937GP?
The reverse recovery time is 200 ns.
- Is the 1N4937GPHM3/54 RoHS-compliant?
- What is the maximum instantaneous forward voltage of the 1N4937GP?
The maximum instantaneous forward voltage is 1.2 V.
- What is the typical junction capacitance of the 1N4937GP?
The typical junction capacitance is 15 pF.
- What is the operating junction and storage temperature range of the 1N4937GP?
The operating junction and storage temperature range is -65 to +175 °C.
- Can the 1N4937GP be used in high-voltage applications?
- Is the 1N4937GPHM3/54 still in production?
No, the 1N4937GPHM3/54 is listed as obsolete and no longer manufactured.
