FOD4218SDV Isolators |
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Allicdata Part #: | FOD4218SDVTR-ND |
Manufacturer Part#: |
FOD4218SDV |
Price: | $ 1.42 |
Product Category: | Isolators |
Manufacturer: | ON Semiconductor |
Short Description: | OPTOISOLATOR 5KV TRIAC 6SMDIP-B |
More Detail: | Optoisolator Triac Output 5000Vrms 1 Channel 6-SMD |
DataSheet: | FOD4218SDV Datasheet/PDF |
Quantity: | 1000 |
1000 +: | $ 1.29037 |
2000 +: | $ 1.23700 |
5000 +: | $ 1.20305 |
Current - On State (It (RMS)) (Max): | 300mA |
Approvals: | cUL, FIMKO, UL, VDE |
Supplier Device Package: | 6-SMD |
Package / Case: | 6-SMD, Gull Wing |
Mounting Type: | Surface Mount |
Operating Temperature: | -55°C ~ 100°C |
Current - DC Forward (If) (Max): | 30mA |
Voltage - Forward (Vf) (Typ): | 1.28V |
Turn On Time: | 60µs |
Current - Hold (Ih): | 500µA |
Series: | -- |
Current - LED Trigger (Ift) (Max): | 1.3mA |
Static dV/dt (Min): | 10kV/µs |
Voltage - Off State: | 800V |
Voltage - Isolation: | 5000Vrms |
Number of Channels: | 1 |
Zero Crossing Circuit: | No |
Output Type: | Triac |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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Optoisolators are devices that use light to electrically isolate a signal or supply from the power supply itself. The FOD4218SDV is an optoisolation device with a triac or SCR output. The optoisolator can be used in many applications to provide a secure electrical isolation barrier between two circuits which might otherwise be at different electric potentials, or to isolate two otherwise connected circuits during fault conditions.
The FOD4218SDV combines a high-reliability optoisolator with a triac or SCR output. Its package is a small 18-pin dual-in-line package (DIP) with a 3.5 x 4 mm footprint with a wide line of input-output isolation requirements from 4.0 to 9.0 mm. The device exhibits excellent isolation characteristics at a wide operating temperature range of -40° to +125°C.
The FOD4218SDV has two primary functions: optoisolation of a signal or power supply, and regulation of the current or voltage in a system. The device is integrated with photocells which act as inputs and can sense light signals such as from a logic or level signal present on its inputs. The connected photocell channels the optical signal into corresponding output devices such as a triac or SCR.
The performance of the FOD4218SDV optoisolator depends on the type of optoisolator and its corresponding input and output devices. The input impedance to the device is typically high; hence the device is immune to noise signals and radiations. The output devices are usually transistors and thyristors that switch on the current flow once the optical signal from the photocell activates the device. The resistive and capacitive load of the output device can influence hysteresis characteristics.
The application of the FOD4218SDV optoisolator includes the regulation of voltage and current levels in circuits, signal isolation of power supplies, switching of DC motors, lamp dimming and overvoltage protection circuits. To ensure a proper application and operation of the device, the device should be connected to a suitable heat sink mounted to the printed circuit board in order to dissipate heat. The device should be connected in according with the circuit diagram and operated in accordance with the manufacturer’s instructions.
In summary, the FOD4218SDV optoisolator is a small but robust device with a wide variety of applications. It is designed primarily for signal isolation and current/voltage regulation, and can be used in many applications where electrical safety is paramount. With its proper implementation and operation, the device offers robust performance in the widest range of temperature environments.
The specific data is subject to PDF, and the above content is for reference
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