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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)：30% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：10µs, 10µs (Max)
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.3V (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 3N244 is a single-channel optoisolator manufactured by TT Electronics/Optek Technology, housed in a TO-72-4 metal can package. It features an NPN phototransistor output with a maximum collector-emitter voltage of 30V and a collector current rating of 30mA. The device provides 1000VDC isolation voltage between input and output circuits. Key electrical parameters include a typical forward voltage of 1.3V at a maximum DC forward current of 40mA, and a saturation voltage of 300mV maximum. The minimum current transfer ratio is 30% at 10mA input. Response times are specified as 10µs for both rise and fall times. It operates within a temperature range of -55°C to 125°C.
Feature Summary
- Provides galvanic isolation via infrared LED and NPN phototransistor pair
- Utilizes hermetically sealed TO-72-4 metal can construction
- Designed for through-hole mounting on printed circuit boards
Applications
- Industrial control systems requiring signal isolation
- Solid-state relay driver circuits
- Logic-to-ground interfacing applications
Procurement Notes
Verify the specific manufacturer lot code and date code upon receipt to ensure component authenticity and traceability. Confirm that the physical package matches the TO-72-4 specification and that pin configurations align with official datasheet diagrams before integration into production assemblies.
Selection Notes
Select this component when high isolation voltage ratings are required alongside robust mechanical packaging. The TO-72-4 form factor suits applications needing durable through-hole installation. Evaluate thermal management requirements against the specified operating temperature range to ensure reliable performance under varying environmental conditions.
Part Context
This device belongs to the family of transistor-output optocouplers produced by TT Electronics/Optek Technology. These components are engineered to transmit electrical signals between isolated circuits using light. The product line emphasizes reliability in harsh environments, utilizing specialized semiconductor materials to maintain consistent current transfer characteristics over time.
Replacement Considerations
Consult official manufacturer substitution guides for verified equivalent part numbers. Ensure any replacement maintains identical pinout configurations and meets or exceeds the original isolation voltage and current transfer ratio specifications.
