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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：60% @ 1mA
- Current Transfer Ratio (Max)：600% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：5µs, 4µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：60V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The OPIA814ATRA is a single-channel transistor output optoisolator manufactured by TT Electronics/Optek Technology. It features a 5000Vrms isolation voltage and operates within a temperature range of -30°C to +100°C. The device utilizes a 4-SMD, Gull Wing package and supports surface-mount installation. Key electrical parameters include a maximum collector-emitter voltage of 60V, a forward current of 50mA, and a typical rise/fall time of 20µs. The component is currently classified as obsolete.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a compact surface-mount package for automated assembly
- Features NPN phototransistor output for digital signal transmission
Applications
- General-purpose digital signal isolation in industrial control systems
- Microcontroller interface circuits requiring galvanic separation
- Power supply feedback loops for safety isolation
Procurement Notes
This component is officially listed as obsolete and no longer manufactured by the producer. Availability is restricted to existing distributor stock or secondary market sources. Verification of part authenticity and storage history is critical due to the end-of-life status. Buyers should confirm lead times and minimum order quantities directly with suppliers, as standard procurement channels may not support new orders.
Selection Notes
Engineers selecting this part must account for its obsolete status when designing new products. The 4-SMD package requires compatible PCB footprints. Designers should evaluate the 20µs switching speed against application requirements. Alternative components from the same manufacturer family or competitors should be considered for long-term supply chain stability. Verify that the 5000Vrms isolation rating meets specific safety standards.
Part Context
The OPIA814ATRA belongs to the Optek transistor output optocoupler series. It shares functional similarities with other models like the OPIA814DTUA but differs in packaging. The device is designed for general-purpose isolation applications where moderate speed and high isolation voltage are required. It represents a legacy solution within the manufacturer's portfolio.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, direct pin-to-pin replacements should be verified against updated datasheets. Engineers must perform full electrical and mechanical validation when substituting this component with newer generation optocouplers.
