Overview
The HMHA2801R2V is a phototransistor optocoupler produced by onsemi, formerly part of Fairchild Semiconductor. This device is part of the HMHA2801 series and is designed to provide electrical isolation between input and output circuits. It features a compact 4-pin half-pitch mini-flat package, making it ideal for applications where space is limited. The HMHA2801R2V combines a gallium arsenide infrared emitting diode with a silicon phototransistor, ensuring high reliability and performance in various electrical isolation requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Collector Emitter Voltage | 80 | V |
| Maximum Collector Current | 50 | mA |
| Maximum Collector Emitter Saturation Voltage | 300 mV | mV |
| Rise Time (Non-Saturated) | 3 | μs |
| Storage Temperature | -55 to +125 | °C |
| Operating Temperature | -55 to +100 | °C |
| Junction Temperature | -40 to +125 | °C |
| Total Device Power Dissipation @ TA = 25°C | 210 | mW |
| Steady State Isolation Voltage (1 Minute) | 3750 | VACRMS |
| Maximum Working Insulation Voltage | 565 | Vpeak |
Key Features
- Compact Package: 4-pin half-pitch mini-flat package with a maximum standoff height of 2.4 mm and half-pitch leads for optimum board space savings.
- Current Transfer Ratio: The HMHA2801R2V has a current transfer ratio of 80% to 600%.
- Safety and Regulatory Approvals: Compliant with UL1577 and DIN-EN/IEC60747-5-5, with a working insulation voltage of 565 Vpeak and a steady state isolation voltage of 3750 VACRMS for 1 minute.
- High Isolation: Features high isolation characteristics, including external creepage and clearance of ≥ 5 mm and a distance through insulation of ≥ 0.4 mm.
- Low Power Consumption: The device has a total device power dissipation of 210 mW at TA = 25°C, with derating above 25°C.
Applications
- Digital Logic Inputs: Suitable for interfacing digital logic circuits.
- Microprocessor Inputs: Can be used to isolate microprocessor inputs from other circuits.
- Power Supply Monitor: Useful in monitoring power supply status while maintaining electrical isolation.
- Twisted Pair Line Receiver: Applicable in twisted pair line receivers for communication systems.
- Telephone Line Receiver: Can be used in telephone line receivers to ensure isolation and reliability.
Q & A
- What is the maximum collector-emitter voltage of the HMHA2801R2V?
The maximum collector-emitter voltage is 80 V.
- What is the typical rise time of the HMHA2801R2V?
The rise time is typically 3 μs.
- What are the operating temperature ranges for the HMHA2801R2V?
The operating temperature range is -55°C to +100°C.
- What is the current transfer ratio range for the HMHA2801R2V?
The current transfer ratio ranges from 80% to 600%.
- Is the HMHA2801R2V compliant with any safety standards?
Yes, it is compliant with UL1577 and DIN-EN/IEC60747-5-5.
- What is the maximum working insulation voltage of the HMHA2801R2V?
The maximum working insulation voltage is 565 Vpeak.
- What is the steady state isolation voltage of the HMHA2801R2V?
The steady state isolation voltage is 3750 VACRMS for 1 minute.
- What are some common applications of the HMHA2801R2V?
Common applications include digital logic inputs, microprocessor inputs, power supply monitors, twisted pair line receivers, and telephone line receivers.
- What is the package type of the HMHA2801R2V?
The package type is a 4-pin half-pitch mini-flat package.
- How much power can the HMHA2801R2V dissipate at 25°C?
The total device power dissipation at TA = 25°C is 210 mW.
