JANTXV4N48A

Transistor, Photovoltaic Output Optoisolators Overview

The JANTXV4N48A is a hermetically sealed, single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features an infrared emitting diode coupled to an NPN silicon phototransistor within a TO-78 metal package. The device provides 1000 Vrms electrical isolation between input and output circuits. Key electrical parameters include a collector-emitter voltage of 40 V, a maximum collector current of 50 mA, and a forward voltage of 1.5 V at 1 mA. The current transfer ratio ranges from 100% to 500%, with rise and fall times of 20 µs each. It operates within a temperature range of -55°C to +125°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed TO-78 metal package designed for military and harsh environments
• Collector isolated from the case for enhanced safety and reliability
• High current transfer ratio capability up to 500%
• Processed to MIL-PRF-19500/548 specifications

Transistor, Photovoltaic Output Optoisolators Applications

• High-voltage isolation in military systems
• Electrical isolation in dirty industrial environments
• Medical equipment signal isolation
• Office equipment interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific part number suffix 'JANTXV' confirms compliance with MIL-PRF-19500/548 processing requirements. Ensure the procurement documentation explicitly states the collector-isolated configuration (suffix 'A') to distinguish it from standard variants. Confirm RoHS status and material declarations align with project constraints, as military-grade components may have specific regulatory considerations.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high reliability and hermetic sealing are required for critical applications. The JANTXV designation indicates rigorous testing beyond commercial standards. Consider the 1000 Vrms isolation rating for safety-critical designs. Verify that the TO-78-6 through-hole package fits the mechanical layout. Compare the 100-500% CTR range against circuit gain requirements to ensure adequate noise margin in noisy environments.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the 4N47, 4N48, and 4N49 series of high-reliability optocouplers. These parts are specifically engineered for defense and aerospace sectors where environmental stability is paramount. The series utilizes silicon phototransistors paired with infrared LEDs to provide robust galvanic isolation. The JANTXV variant represents the highest level of quality assurance within this family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• 4N48A
• 4N48ATX
• 4N48ATXV