FOD4216

Triac, SCR Output Optoisolators Overview

The FOD4216 is a random phase triac output optocoupler from onsemi, featuring a high-efficiency infrared emitting diode coupled to a hybrid triac. It provides 5000 Vrms isolation and supports a maximum continuous output current of 300 mA with a blocking voltage (VDRM) of 600 V. The device operates within a temperature range of -55°C to +100°C, has a forward current rating of 30 mA, and a typical forward voltage of 1.28 V. It offers a maximum trigger current of 1.3 mA and a maximum turn-on time of 60 µs.

Triac, SCR Output Optoisolators Feature Summary

• Random phase triac output for snubberless operation
• High efficiency infrared LED for improved trigger sensitivity
• Standard 6-pin package configuration

Triac, SCR Output Optoisolators Applications

• Solid state relays
• Motor control circuits
• Industrial automation systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the specific suffix against the datasheet to confirm package type. The base model typically denotes through-hole DIP-6 packaging, while suffixes like SDV indicate surface mount SMD-DIP-6 variants. Ensure the selected variant matches the intended board layout and assembly process requirements before ordering.

Triac, SCR Output Optoisolators Selection Notes

Select this component for applications requiring random phase triggering without zero-crossing detection. It is suitable for driving AC loads where precise timing synchronization is not required. Consider the thermal dissipation capabilities and isolation voltage ratings when designing the circuit interface for high-power industrial environments.

Triac, SCR Output Optoisolators Part Context

The FOD4216 belongs to the FOD420 series, which includes related devices such as the FOD4208 and FOD4218. These components share similar architectural features, utilizing a hybrid triac structure. The series is designed for general-purpose isolation in power control applications, offering robust performance across varying industrial conditions.

Triac, SCR Output Optoisolators Replacement Considerations

Compatible substitutes within the same family include the FOD4208 and FOD4218. Verify pinout compatibility and electrical parameter equivalence, particularly regarding trigger current and isolation voltage, before implementing any cross-model replacement in existing designs.