Overview
The 1N4937GPEHE3/54 is a fast switching plastic rectifier diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the 1N4933GP to 1N4937GP series, known for their high reliability and efficiency in various electrical applications. Although marked as 'Not for New Designs,' these diodes are still widely used in existing systems and for replacement purposes.
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
- Superectifier Structure: Ensures high reliability conditions.
- Cavity-Free Glass Passivated Junction: Enhances durability and performance.
- Fast Switching: Optimized for high efficiency in switching applications.
- Low Leakage Current: Minimizes power loss and improves overall system efficiency.
- High Forward Surge Capability: Handles peak forward surge currents effectively.
- Solderable Leads: Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
- RoHS-Compliant: Meets environmental standards for lead-free compliance.
Applications
- Fast Switching Rectification: Used in power supplies, inverters, and converters.
- Freewheeling Diodes: Employed in consumer and telecommunication equipment.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4937GP diode?
The maximum repetitive peak reverse voltage (VRRM) is 600 V.
- What is the maximum average forward rectified current for the 1N4937GP?
The maximum average forward rectified current (IF(AV)) is 1.0 A.
- What is the peak forward surge current rating for the 1N4937GP?
The peak forward surge current (IFSM) is 30 A.
- What is the typical reverse recovery time of the 1N4937GP diode?
The typical reverse recovery time (trr) is 200 ns.
- What is the operating junction temperature range for the 1N4937GP?
The operating junction temperature range (TJ) is -65 to +175 °C.
- Is the 1N4937GP RoHS-compliant?
- What type of package does the 1N4937GP come in?
The 1N4937GP comes in a DO-41 (DO-204AL) package.
- What are some typical applications for the 1N4937GP diode?
Typical applications include fast switching rectification in power supplies, inverters, converters, and as freewheeling diodes in consumer and telecommunication equipment.
- Why is the 1N4937GP marked as 'Not for New Designs'?
The 1N4937GP is marked as 'Not for New Designs' because it is no longer recommended for new projects, although it can still be used for existing systems and replacement purposes.
- What is the maximum DC reverse current at rated DC blocking voltage for the 1N4937GP?
The maximum DC reverse current (IR) at rated DC blocking voltage is 5.0 μA at 25 °C.
