| Allicdata Part #: | H11A4S1(TA)-ND |
| Manufacturer Part#: |
H11A4S1(TA) |
| Price: | $ 0.10 |
| Product Category: | Isolators |
| Manufacturer: | Everlight Electronics Co Ltd |
| Short Description: | OPTOISO 5KV TRANS W/BASE 6SMD |
| More Detail: | Optoisolator Transistor with Base Output 5000Vrms ... |
| DataSheet: |  H11A4S1(TA) Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.08971 |
Specifications
| Output Type: | Transistor with Base |
| Supplier Device Package: | 6-SMD |
| Package / Case: | 6-SMD, Gull Wing |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -55°C ~ 110°C |
| Vce Saturation (Max): | 400mV |
| Current - DC Forward (If) (Max): | 60mA |
| Voltage - Forward (Vf) (Typ): | 1.2V |
| Current - Output / Channel: | -- |
| Voltage - Output (Max): | 80V |
| Series: | -- |
| Input Type: | DC |
| Rise / Fall Time (Typ): | -- |
| Turn On / Turn Off Time (Typ): | 3µs, 3µs |
| Current Transfer Ratio (Max): | -- |
| Current Transfer Ratio (Min): | 10% @ 10mA |
| Voltage - Isolation: | 5000Vrms |
| Number of Channels: | 1 |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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Optoisolators - Transistor, Photovoltaic Output (H11A4S1(TA)) are highly versatile and reliable components used for electrical insulation and signal transmission applications. They consist of an optoelectric emitter - usually an infrared light emitting diode (LED) - combined with a photosensitive component, such as a phototransistor or photodiode. The light emitted from the LED is received by the photosensitive component, typically a transistor. The combination of these two elements allows them to act as an electrical boundary between high and low voltage circuits, providing both electrical isolation and signal transmission.The working principle behind optoisolators is based on the photoelectric effect. When an LED is forward biased by an external circuit current, it emits light in the visible spectrum, or even outside of the visible spectrum in the infrared region. When the LED’s output is directed towards a photosensitive transistor, the transistor amplifies the LED’s output and uses it to control currents up to 1A or more, depending on the optoisolator’s size and power rating. In the simplest terms, optoisolators can be thought of as a light switch. When the LED is electrically driven, the switch is closed and current can flow between two high and low voltage components. The components can be electrically connected and the circuit will be safely activated without needing separate isolators or insulation breakers. Optoisolators are available in a variety of configurations, such as single LED/single phototransistor types, dual, triple and quad LED/phototransistor types, and they can provide low-level signal output with high-frequency performance. Optoisolators (H11A4S1(TA)) are used in a wide variety of applications, from automotive and industrial applications to consumer electronics and computing. They are used to drive devices such as motors, solenoids, and relays, as well as provide switching power supplies. Some common applications are switching loads, coupling circuits, protecting circuits from high voltages, keeping low and high voltage circuits electrically isolated, AC/DC converters, and signal transmission between two circuits with different operating voltages. Optoisolators are also used as failsafe devices to protect against short circuits and limiting the current between two circuits. By using an optoisolator, a circuit can be completely severed from a low voltage system while still providing a small current to power any associated devices. This prevents the low voltage circuit from being overwhelmed by the high voltage flowing through high power devices.In conclusion, optoisolators are a cost-effective and highly reliable method of providing isolation and signal transmission in industrial and consumer electronics applications. They allow users to quickly and easily construct electrically insulated circuit paths with minimal setup and maintenance costs. They provide a barrier between high and low electrical power sources and are built to last in harsh working environments.
The specific data is subject to PDF, and the above content is for reference
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