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Product Detailed Parameters
- Description：OPTOISO 2.5KV TRANS W/BASE 6-DIP
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：20% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：2µs, 200µs
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：100mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.300", 7.62mm)
- Supplier Device Package：6-DIP
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Overview
The Toshiba 4N25A(SHORT,F) is a single-channel phototransistor output optocoupler housed in a 6-pin DIP package. It features a GaAs infrared LED coupled to a silicon phototransistor for signal isolation. Key electrical parameters include a collector-emitter breakdown voltage of 30V minimum, an input forward voltage of 1.5V maximum at 10mA, and a typical current transfer ratio of 100%. The device provides an isolation voltage of 2500Vrms and operates within a temperature range of -55°C to 100°C.
Feature Summary
- Provides galvanic isolation between input control circuits and output load circuits using infrared light transmission.
- Integrates a high-efficiency gallium arsenide infrared emitting diode with a silicon phototransistor for reliable signal coupling.
- Designed for logic circuit interfacing and direct connection to various logic families such as TTL and CMOS.
Applications
- Signal isolation in industrial control systems
- Interfacing microprocessors with high-voltage switching circuits
- Solid-state relay driver applications
Procurement Notes
Verify the specific suffix 'SHORT,F' against the manufacturer's official datasheet to confirm pin configuration and tape-and-reel packaging specifications. Ensure that the component meets the required isolation voltage ratings for the intended application environment. Cross-reference the date code and manufacturing origin to guarantee compliance with current RoHS directives and supply chain authenticity standards.
Selection Notes
Select this component when a standard transistor-output optocoupler is required for general-purpose isolation tasks. Consider the current transfer ratio variations and propagation delay characteristics relative to the system timing requirements. Evaluate the thermal management needs based on the power dissipation limits defined in the official specification sheet for continuous operation.
Part Context
This part belongs to the 4N25 series of optocouplers, a widely recognized family of devices used for basic isolation functions. The series typically offers a balance of performance and cost-effectiveness for non-high-speed applications. The specific variant denotes particular mechanical or packaging attributes defined by the manufacturer.
FAQ
What is the maximum isolation voltage rating?
The device supports an isolation voltage of 2500Vrms.
Does this component support AC input signals?
The internal LED requires DC drive; however, it can be used to isolate AC signals if rectified or driven appropriately by the control circuitry.
