Overview
The 1N4937GPE-E3/91 is a glass passivated junction fast switching plastic rectifier diode produced by Vishay General Semiconductor - Diodes Division. This diode is part of the 1N4933GP to 1N4937GP series, known for their high reliability and efficiency in various electrical applications. Although this specific part is noted as not for new designs and is obsolete, it remains relevant for existing systems and maintenance purposes.
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 |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +175 | °C |
| Maximum Instantaneous Forward Voltage | VF | 1.2 | V |
| Maximum DC Reverse Current at Rated DC Blocking Voltage | IR | 5.0 μA (at TA = 25 °C) | μA |
| Maximum Reverse Recovery Time | trr | 200 ns | ns |
| Typical Junction Capacitance | CJ | 15 pF (at 4.0 V, 1 MHz) | pF |
| Package | DO-41 (DO-204AL) |
Key Features
- Superectifier Structure: Enhances reliability and performance.
- Cavity-Free Glass Passivated Junction: Ensures high reliability and durability.
- 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 high 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 soldering.
Applications
The 1N4937GPE-E3/91 diode is suitable for various applications, including:
- Fast Switching Rectification: Ideal for power supplies, inverters, and converters.
- Freewheeling Diodes: Used in consumer and telecommunication equipment.
- General Purpose Rectification: Applicable in a wide range of industrial and consumer electronics.
Q & A
- What is the maximum repetitive peak reverse voltage of the 1N4937GPE-E3/91 diode?
The maximum repetitive peak reverse voltage is 600 V. - What is the maximum average forward rectified current of this diode?
The maximum average forward rectified current is 1.0 A. - What is the operating junction and storage temperature range for this diode?
The operating junction and storage temperature range is -65 to +175 °C. - What is the typical reverse recovery time of the 1N4937GPE-E3/91 diode?
The typical reverse recovery time is 200 ns. - Is the 1N4937GPE-E3/91 diode RoHS-compliant?
Yes, the diode is RoHS-compliant. - What type of package does the 1N4937GPE-E3/91 diode come in?
The diode comes in a DO-41 (DO-204AL) package. - What are some typical applications for the 1N4937GPE-E3/91 diode?
Typical applications include fast switching rectification in power supplies, inverters, converters, and as freewheeling diodes in consumer and telecommunication equipment. - What is the maximum instantaneous forward voltage of the 1N4937GPE-E3/91 diode?
The maximum instantaneous forward voltage is 1.2 V. - Is the 1N4937GPE-E3/91 diode suitable for high surge current applications?
Yes, it has a high forward surge capability. - What is the typical junction capacitance of the 1N4937GPE-E3/91 diode?
The typical junction capacitance is 15 pF at 4.0 V and 1 MHz.
