JANTX4N49A

Transistor, Photovoltaic Output Optoisolators Overview

The JANTX4N49A is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features an NPN phototransistor output and utilizes a TO-78-6 package for through-hole mounting. The device provides an isolation voltage of 1000 Vrms. Key electrical parameters include a collector-emitter voltage of 40 V, a maximum collector current of 50 mA, and a power dissipation rating of 300 mW. The forward voltage is specified at 1.5 V with a forward current of 1 mA. Current transfer ratio ranges from 200% to 1000%. Switching characteristics include rise and fall times of 20 us each. The unit operates within a temperature range of -55 C to +125 C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation between input and output circuits via optical coupling.
• Features a robust NPN phototransistor output capable of handling significant collector currents.
• Designed for operation in extreme thermal environments with wide temperature tolerance.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Solid-state relay driver circuits
• Signal transmission across isolated ground planes

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific manufacturing lot date code and quality certification level upon order confirmation. Ensure that the procurement channel sources units directly from authorized distributors or the manufacturer to guarantee authenticity. Confirm that the received components match the JANTX4N49A designation exactly, as suffix variations may indicate different testing grades or packaging formats not covered in standard specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high reliability and radiation hardness are required for optocoupler applications. The TO-78 package offers superior mechanical stability compared to plastic packages. Consider the 50 mA collector current capability for driving higher load requirements. Verify that the system's thermal management can accommodate the 300 mW power dissipation limit within the specified operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the 4N49 series of transistor output optocouplers produced by TT Electronics/Optek Technology. The JANTX prefix indicates a specific military-grade screening and testing standard applied to the base 4N49 device. It shares functional similarities with other single-channel optocouplers but distinguishes itself through enhanced durability and strict parameter adherence defined for aerospace or defense applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

JANTX4N49