Original Part
Optoisolator Transistor with Base Output 5000Vrms 1 Channel 8-SMD
Alternative Part
Optoisolator Transistor with Base Output 5300Vrms 1 Channel 8-SMD
1. 6N136-520E Substitution Conclusion
The 6N136-520E (Broadcom) is a viable direct substitute for the original 6N136S(TA)-V (Everlight), as it shares identical key electrical parameters—including isolation voltage, CTR range, maximum output current, and input/output characteristics—and the same package. The primary deviation lies in its dynamic performance: its turn-on time (200ns) is superior to the original's (350ns), but its turn-off time (600ns) is significantly worse than the original's (300ns). In applications requiring fast turn-off (e.g., high-speed switching, PWM signal transmission), this part may introduce additional turn-off delay, potentially affecting system response speed or signal integrity. However, for applications insensitive to turn-off speed (e.g., status feedback, low-speed logic isolation), this discrepancy is less critical, and substitution is acceptable.
2. 6N136-X017T Substitution Conclusion
The 6N136-X017T (Vishay) is functionally compatible but exhibits several key parametric differences, necessitating careful evaluation before substitution. Notable variances include: first, its isolation voltage is increased to 5300Vrms, enhancing the insulation safety margin; second, the maximum CTR is unspecified, which may introduce batch-to-batch variation requiring design margin for tolerance; third, its switching times (200ns/200ns) are generally superior to the original, offering better dynamic performance. However, the most critical difference is its lower maximum output voltage (15V) compared to the original (20V). If the original circuit design operates with or subjects the output side to voltage stresses near or exceeding 15V, direct substitution could lead to device failure or reduced reliability. It is essential to verify that the actual operating voltage remains within the 15V safe range prior to substitution.
Analysis ID: 99AA-1691000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com