Overview
The 5KP43A-E3/51 is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Although the product is currently obsolete, it remains relevant for understanding and replacing similar components.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation (10/1000μs Test Waveform) | PPPM | 5000 | W |
| Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC | PD | 8.0 | W |
| Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Unidirectional Only) | IFSM | 400 | A |
| Maximum Instantaneous Forward Voltage at 100A (Unidirectional Only) | VF | 3.5/5.0 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 to 175 | °C |
| Typical Thermal Resistance Junction to Lead | RθJL | 8.0 | °C/W |
| Typical Thermal Resistance Junction to Ambient | RθJA | 40 | °C/W |
| Breakdown Voltage (VBR) at 25°C | VBR | 43.0 - 47.8 | V |
Key Features
- Glass passivated chip junction in P600 package.
- Fast response time: typically less than 1.0 ps from 0 Volts to BV min.
- Excellent clamping capability.
- Low incremental surge resistance.
- High temperature to reflow soldering guaranteed: 260°C/40sec.
- UL Recognized compound meeting flammability rating V-0.
- Matte tin lead–free plated and halogen free, RoHS compliant.
Applications
The 5KP43A-E3/51 TVS diode is ideal for the protection of I/O interfaces, VCC bus, and other vulnerable circuits used in various applications including:
- Telecom equipment.
- Computer systems.
- Industrial electronics.
- Consumer electronics.
Q & A
- What is the primary function of the 5KP43A-E3/51 TVS diode?
The primary function is to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. - What is the peak pulse power dissipation of the 5KP43A-E3/51?
The peak pulse power dissipation is 5000 W at a 10/1000μs test waveform. - What is the operating junction and storage temperature range of the 5KP43A-E3/51?
The operating junction and storage temperature range is -55 to 175 °C. - Is the 5KP43A-E3/51 RoHS compliant?
Yes, it is RoHS compliant, lead-free, and halogen-free. - What is the typical thermal resistance junction to ambient for the 5KP43A-E3/51?
The typical thermal resistance junction to ambient is 40 °C/W. - What are the common applications of the 5KP43A-E3/51?
Common applications include telecom equipment, computer systems, industrial electronics, and consumer electronics. - What is the breakdown voltage (VBR) range for the 5KP43A-E3/51 at 25°C?
The breakdown voltage (VBR) range is 43.0 to 47.8 V. - Is the 5KP43A-E3/51 still in production?
No, the product is currently obsolete. - What is the maximum instantaneous forward voltage at 100A for the 5KP43A-E3/51?
The maximum instantaneous forward voltage at 100A is 3.5/5.0 V. - What are the agency approvals for the 5KP43A-E3/51?
The component meets IEC 61000-4-2 ESD 30kV(Air), 30kV (Contact), and other relevant standards.
