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Product Detailed Parameters
- Description：OPTOISOLTR 1KV 1CH TRANS TO-72-4
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：1000VDC
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：100% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：25µs, 25µs (Max)
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：40 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-206AF, TO-72-4 Metal Can
- Supplier Device Package：TO-72-4
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Overview
The 3N263 is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features an NPN phototransistor output and utilizes a TO-72-4 through-hole package. The device provides an insulation voltage of 1000 Vrms. Electrical specifications include a collector-emitter saturation voltage of 300 mV, a maximum collector current of 30 mA, and a maximum collector-emitter voltage of 30 V. The forward voltage is 1.5 V at a forward current of 40 mA. Current transfer ratio ranges from 2% to 10%. Rise and fall times are both 25 us. Power dissipation is 200 mW. Operating temperature spans from -55 C to +125 C.
Feature Summary
- Provides electrical isolation via optical coupling between input and output circuits.
- Features an NPN phototransistor output for digital signal transmission.
- Designed for through-hole mounting in a compact TO-72-4 configuration.
Applications
- General purpose signal isolation
- Digital logic interface circuits
- Switching power supply feedback loops
Procurement Notes
Verify component authenticity and physical condition upon receipt. Confirm the manufacturer marking matches Optek or TT Electronics standards. Inspect leads for corrosion or damage. Check datasheet revisions for updated electrical limits. Note that this specific part number may be discontinued; verify availability status with authorized distributors before finalizing procurement plans.
Selection Notes
Select this component when high isolation voltage is required in a small through-hole package. Ensure the circuit design accommodates the specified current transfer ratio range. Verify that the operating temperature range meets environmental requirements. Consider the rise and fall times for signal integrity in switching applications. Confirm compatibility with available drive currents for the LED input side.
Part Context
This component belongs to the family of transistor output optocouplers produced by TT Electronics. These devices are designed for general-purpose isolation tasks. The TO-72 package offers a standard footprint for legacy and modern PCB designs. The product line emphasizes reliability in harsh environments.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameters if considering alternative manufacturers. Consult official replacement guides from the manufacturer for obsolete part transitions.
