Overview
The 1N4937GPHE3/73 is a general-purpose rectifier diode produced by Vishay General Semiconductor - Diodes Division. This diode is part of the 1N4933GP through 1N4937GP series, known for their reliability and performance in various electrical applications. The 1N4937GPHE3/73 is specifically designed for high-voltage rectification and is suitable for use in fast switching applications, power supplies, inverters, converters, and as freewheeling diodes in consumer and telecommunication devices.
Key Specifications
| Parameter | Symbol | Value | 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 Reverse Recovery Time | trr | 200 | ns |
| Maximum DC Reverse Current | IR | 5.0 | μA |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +175 | °C |
| Package | DO-41 (DO-204AL) |
Key Features
- High Voltage Capability: The 1N4937GPHE3/73 can handle a maximum repetitive peak reverse voltage of 600 V, making it suitable for high-voltage applications.
- Fast Switching: With a reverse recovery time of 200 ns, this diode is ideal for fast switching rectification in power supplies, inverters, and converters.
- Low Forward Voltage Drop: The diode has a maximum instantaneous forward voltage of 1.2 V, which minimizes power loss during operation.
- High Peak Forward Surge Current: It can withstand a peak forward surge current of 30 A, ensuring robust performance under transient conditions.
- RoHS Compliant: The diode is RoHS compliant, making it environmentally friendly and suitable for use in a wide range of applications.
- UL 94 V-0 Flammability Rating: The molding compound meets the UL 94 V-0 flammability rating, ensuring safety in various operating conditions.
Applications
- Power Supplies: Used in the rectification stage of power supplies to convert AC to DC efficiently.
- Inverters and Converters: Suitable for use in inverters and converters due to its fast switching capabilities.
- Freewheeling Diodes: Often used as freewheeling diodes in motor control circuits and other applications where back-EMF needs to be managed.
- Consumer and Telecommunication Devices: Used in various consumer and telecommunication devices requiring reliable and efficient rectification.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4937GPHE3/73 diode?
The maximum repetitive peak reverse voltage is 600 V.
- What is the maximum average forward rectified current of the 1N4937GPHE3/73 diode?
The maximum average forward rectified current is 1.0 A.
- What is the reverse recovery time of the 1N4937GPHE3/73 diode?
The reverse recovery time is 200 ns.
- Is the 1N4937GPHE3/73 diode RoHS compliant?
Yes, the diode is RoHS compliant.
- What is the operating junction and storage temperature range of the 1N4937GPHE3/73 diode?
The operating junction and storage temperature range is -65 to +175 °C.
- What type of package does the 1N4937GPHE3/73 diode come in?
The diode comes in a DO-41 (DO-204AL) package.
- What is the maximum instantaneous forward voltage of the 1N4937GPHE3/73 diode?
The maximum instantaneous forward voltage is 1.2 V.
- What is the peak forward surge current rating of the 1N4937GPHE3/73 diode?
The peak forward surge current rating is 30 A.
- What are some common applications of the 1N4937GPHE3/73 diode?
Common applications include power supplies, inverters, converters, and as freewheeling diodes in consumer and telecommunication devices.
- Does the 1N4937GPHE3/73 diode meet any specific flammability ratings?
Yes, the molding compound meets the UL 94 V-0 flammability rating.
