LTV-827S-TA1

Transistor, Photovoltaic Output Optoisolators Overview

The LTV-827S-TA1 is a dual-channel transistor output optocoupler manufactured by Lite-On. It features an NPN phototransistor output with a maximum collector-emitter voltage of 35 V and a peak forward current rating of 50 mA. The device provides high isolation capability with a rated insulation voltage of 5000 Vrms. Electrical performance includes a minimum current transfer ratio of 50% and a maximum of 600%. Typical switching characteristics specify a rise time of 4 µs and a fall time of 3 µs, with a maximum saturation voltage of 200 mV. The component is housed in an 8-pin PDIP gull-wing package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration utilizing NPN phototransistor outputs for independent signal isolation.
• High dielectric isolation strength rated at 5000 Vrms between input and output circuits.
• Wide operational temperature range supporting environments from -30°C to +110°C.
• Compliant with international safety standards including UL, CSA, and VDE certifications.

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interface circuits
• System appliances and measuring instruments
• Registers, copiers, and automatic vending machines

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix TA1 to confirm the packaging format and compliance status. Ensure the procurement channel sources genuine Lite-On components to maintain specified electrical parameters. Cross-reference the manufacturer part number against official distributor catalogs to avoid counterfeit units. Confirm that the received inventory matches the documented pinout and package dimensions for accurate PCB integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a single package footprint. The NPN output type suits applications needing standard sinking logic interfaces. Verify that the 35 V collector-emitter voltage meets the load requirements. Consider the 5000 Vrms isolation rating for systems demanding robust noise immunity or high-voltage separation between control and power domains.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the LTV series of transistor output optocouplers from Lite-On. It shares architectural similarities with other models in the family but offers distinct dual-channel functionality. The TA1 suffix typically denotes specific tape-and-reel or tube packaging configurations depending on the manufacturer's current coding standards. It serves as a general-purpose isolation solution for digital signal transmission.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include the LTV-827S and LTV-827S-TA1 variants with matching pinouts. Verify that replacement parts maintain the same 5000 Vrms isolation rating and NPN output configuration. Check compatibility with existing PCB footprints and thermal management requirements before substitution.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the typical response time for the LTV-827S-TA1?

The typical rise time is 4 µs and the typical fall time is 3 µs under standard test conditions.

Does the LTV-827S-TA1 support surface mount installation?

Yes, the device is available in SMD/SMT compatible packages, specifically the 8-pin PDIP gull-wing form factor.