Allicdata Part #: | 425-2418-2-ND |
Manufacturer Part#: |
S2S3LB0F |
Price: | $ 0.00 |
Product Category: | Isolators |
Manufacturer: | Sharp Microelectronics |
Short Description: | OPTOISOLATOR 3.75KV TRIAC 4SMD |
More Detail: | Optoisolator Triac Output 3750Vrms 1 Channel 4-SMD |
DataSheet: | S2S3LB0F Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Current - On State (It (RMS)) (Max): | 50mA |
Approvals: | CSA, UR |
Supplier Device Package: | 4-SMD |
Package / Case: | 4-SMD |
Mounting Type: | Surface Mount |
Operating Temperature: | -30°C ~ 100°C |
Current - DC Forward (If) (Max): | 50mA |
Voltage - Forward (Vf) (Typ): | 1.2V |
Turn On Time: | 100µs (Max) |
Current - Hold (Ih): | 3.5mA |
Series: | -- |
Current - LED Trigger (Ift) (Max): | 5mA |
Static dV/dt (Min): | 100V/µs |
Voltage - Off State: | 600V |
Voltage - Isolation: | 3750Vrms |
Number of Channels: | 1 |
Zero Crossing Circuit: | No |
Output Type: | Triac |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Optoisolators - Triac, SCR Output are widely used in different kinds of applications where requiring electrical isolation between the incoming control signals and the output power devices. The S2S3LB0F optoisolator is a typical example that is widely used in home appliances. This optoisolator features TRIAC or SCR output, and provides a cost-efficient solution for isolating low-voltage input control signals from the output power device.
The S2S3LB0F optoisolator includes several components. The most important components are the LED (Light Emitting Diode) in the input side and the TRIAC or SCR controller switch on the output side. The optoisolator is powered from a low voltage input, usually less than 10 VDC. The LED on the input side is triggered by the incoming control signal, such as an AC voltage, a PNP transistor, or a logic signal, and produces a bright light. The light generated by the LED is received by a photodiode on the output side. The photodiode converts the light into a small current, which triggers the TRIAC or SCR.
The electrical isolation between the input control signal and the output power device is reflected in the optical isolation between the optoisolator’s LED and photodiode. This ensures that the control signal applied to the LED remains completely independent of any voltage or current levels on the output side. By using an optoisolator, significant power savings can be achieved by only providing the LED with enough current to activate it, which can be several orders of magnitude lower than the current needed to trigger the TRIAC or SCR on the output side.
The optoisolator’s LED is triggered by the incoming control signal, and the TRIAC or SCR is triggered by the optoisolator’s photodiode. The diode’s current passes through a resistor, which provides a voltage drop. The resistor voltage is then compared against a threshold voltage set by a voltage divider circuit, and when the voltage exceeds the threshold, the TRIAC or SCR is triggered. The TRIAC or SCR is the main switching element responsible for passing or blocking current. When the transistor is closed, the current passes through the optoisolator; when it is open, the current is blocked.
In summary, the S2S3LB0F optoisolator provides a reliable, cost-effective solution for electrical isolation between a control signal and an output power device. It provides an optical barrier between the LED and the photodiode, making it a much safer choice than competing technologies that require direct electrical connections. The device’s threshold-detection circuit ensures that the TRIAC or SCR is only triggered at the correct voltage, protecting the appliance from any potentially hazardous conditions.
The specific data is subject to PDF, and the above content is for reference
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