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Product Detailed Parameters
- Description：OPTOISOLTR 15KV 1CH TRANS AXIAL
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：15000VDC
- Current Transfer Ratio (Min)：50% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.6V (Max)
- Current - DC Forward (If) (Max)：40 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：Axial - 4 Leads
- Supplier Device Package：Axial
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Overview
The OPI1264B is a single-channel transistor output optoisolator manufactured by TT Electronics/Optek Technology. It features an NPN phototransistor output and operates with a DC input. The device provides high isolation capability of 15000 VRMS. Key electrical parameters include a maximum collector-emitter voltage of 30 V, a maximum collector current of 44 mA, and a power dissipation rating of 100 mW. The forward voltage is specified at 1.6 V with a forward current of 10 mA. The minimum current transfer ratio is 50%, while the maximum reaches 125%. The unit supports through-hole mounting and functions within a temperature range starting from -40°C.
Feature Summary
- Provides robust electrical isolation between input and output circuits via optical transmission.
- Utilizes an NPN phototransistor for reliable signal switching and logic interfacing.
- Designed for through-hole installation to ensure mechanical stability in circuit assemblies.
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops for voltage regulation
- Microcontroller interface circuits for noise immunity
Procurement Notes
Verify the specific suffix B against official datasheets to confirm the current transfer ratio specifications, as variants within the OPI1264 series differ significantly in performance metrics. Ensure that the through-hole package dimensions match the target PCB layout requirements. Confirm compliance with relevant safety certifications such as UL recognition before finalizing procurement decisions for regulated applications.
Selection Notes
Select this component when high isolation voltage is critical for system safety and reliability. The wide current transfer ratio range allows for flexibility in driving different load conditions. Consider the thermal management requirements given the 100 mW power dissipation limit. Compare against other series members if lower or higher gain characteristics are needed for specific signal integrity goals.
Part Context
The OPI1264B belongs to the OPI1264 series of optoisolators produced by TT Electronics/Optek Technology. This series is characterized by its axial leaded package design suitable for through-hole mounting. The manufacturer specializes in optoelectronic components for industrial and commercial applications, ensuring consistent quality and performance across their product lines.
Replacement Considerations
Check for direct substitutes within the same series, such as OPI1264A or OPI1264C, noting differences in current transfer ratio. Verify pinout compatibility and isolation voltage ratings before substituting with components from other manufacturers.
