JANTX4N22A

Transistor, Photovoltaic Output Optoisolators Overview

The JANTX4N22A is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features an NPN phototransistor output and provides 1000 Vrms insulation voltage. The device supports through-hole mounting in a TO-78-6 package. Key electrical parameters include a maximum collector-emitter voltage of 35 V, a maximum collector current of 50 mA, and a power dissipation rating of 300 mW. The forward voltage is 1.3 V at a forward current of 10 mA. Switching characteristics specify rise and fall times of 15 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 with 1000 Vrms dielectric strength between input and output circuits.
• Utilizes a hermetically sealed TO-78-6 ceramic package designed for demanding environments.
• Features an NPN phototransistor output stage capable of handling up to 50 mA collector current.

Transistor, Photovoltaic Output Optoisolators Applications

• Military and aerospace electronic systems requiring radiation-hardened or high-reliability components.
• Industrial control systems operating in harsh environmental conditions.
• High-voltage signal isolation interfaces in sensitive measurement equipment.

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity and lot traceability due to the specialized nature of this military-grade part. Confirm that the TO-78-6 package dimensions match the target PCB layout requirements. Check for specific quality certifications required by the end application standards. Ensure storage conditions maintain the integrity of the hermetic seal prior to assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high reliability and radiation tolerance are critical design constraints. The TO-78-6 package offers superior environmental protection compared to standard plastic packages. Consider the 15 us switching speed for applications requiring moderate data rates. Verify that the 35 V collector-emitter voltage rating meets the load requirements of the isolated circuit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the 4N22 series of transistor output optocouplers produced by TT Electronics/Optek Technology. The JANTX designation indicates a specific military-grade variant within this family. It shares functional similarities with other models in the series but differs in packaging and reliability specifications tailored for defense and aerospace applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: JAN4N22A, JANTXV4N22A.