| Allicdata Part #: | HMHA2801R2TR-ND |
| Manufacturer Part#: |
HMHA2801R2 |
| Price: | $ 0.15 |
| Product Category: | Isolators |
| Manufacturer: | ON Semiconductor |
| Short Description: | OPTOISO 3.75KV TRANSISTOR 4SMD |
| More Detail: | Optoisolator Transistor Output 3750Vrms 1 Channel ... |
| DataSheet: |  HMHA2801R2 Datasheet/PDF |
| Quantity: | 35000 |
| 1 +: | $ 0.15000 |
| 10 +: | $ 0.14550 |
| 100 +: | $ 0.14250 |
| 1000 +: | $ 0.13950 |
| 10000 +: | $ 0.13500 |
Specifications
| Output Type: | Transistor |
| Supplier Device Package: | 4-Mini-Flat |
| Package / Case: | 4-SOIC (0.173", 4.40mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -55°C ~ 100°C |
| Vce Saturation (Max): | 300mV |
| Current - DC Forward (If) (Max): | 50mA |
| Voltage - Forward (Vf) (Typ): | 1.3V (Max) |
| Current - Output / Channel: | 50mA |
| Voltage - Output (Max): | 80V |
| Series: | -- |
| Input Type: | DC |
| Rise / Fall Time (Typ): | 3µs, 3µs |
| Turn On / Turn Off Time (Typ): | -- |
| Current Transfer Ratio (Max): | 600% @ 5mA |
| Current Transfer Ratio (Min): | 80% @ 5mA |
| Voltage - Isolation: | 3750Vrms |
| Number of Channels: | 1 |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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Optoisolators - Transistor, Photovoltaic Output are used in many different applications. The HMHA2801R2 is one of the most popular models in this category due to its versatility and easy access. The device is suitable for direct AC/DC pulse control, sensing, triggering, and other applications. It features a high isolation voltage of up to 8kV, and an input current of 1mA. This device also offers a photovoltaic output and a drive transistor, making it well-suited for applications that require detailed control, or high-voltage switching.To understand the working principle of the HMHA2801R2, we must first look at the structure of the device. The device consists of two parts: an input board and an output board. On the input board is a light-emitting diode (LED) connected to the gates of two transistors and to the input terminal. The LED is biased by a current-limiting resistor from the input terminal.The input current is fed from the input terminal to the LED, which in turn triggers the transistors. As the LED is lit, electricity flows through the LED and the transistors, releasing a relatively low voltage charge onto the output board. This charge then passes through the specific insulated-gate output transistor that is connected to the output terminal. Finally, the output transistor activates the photovoltaic output and the drive transistor, allowing for the controlled switching. The HMHA2801R2 is typically used in AC/DC pulse control, sensing, and/or triggering applications. It can be used to control and monitor power factor, power availability, voltage, current, and temperature. The device’s optocoupler structure allows for a good level of isolation between the input/output circuits, while its low power consumption makes it suitable for applications that use battery-driven systems. The device can also detect the switching state of a DC signal at the input terminal by analyzing the LED current. This allows the device to detect the presence or status of a DC signal without the need for additional circuitry. Additionally, the device is often used to control circuits in noisy motor control applications due to its high level of isolation.Finally, the HMHA2801R2 is an excellent choice for applications that require high isolation from systems with high voltage and current levels. Its 8kV isolation rating makes it a safe choice in these types of systems. Overall, the HMHA2801R2 a versatile and easy to access optoisolator for direct AC/DC pulse control, sensing, triggering, and other applications. Its two boards, LED, and transistor structure makes it well-suited to controlling and monitoring power factor, voltage, current, and temperature. Additionally, its high isolation rating makes it a good choice for controlling high voltage and current systems.
The specific data is subject to PDF, and the above content is for reference
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