The 1.5KE6.8CA/B: The 10.5V clamping voltage at 144.8A peak pulse current means a 5V CMOS rail sees a transient clamped to 10.5V before the TVS conducts — well within the 12V abs-max of most 5V-tolerant logic. The 1500W rating is measured with an 8/20µs or 10/1000µs double-exponential waveform; derate linearly above 25°C per the datasheet curve. The bidirectional configuration allows the same device to clamp positive and negative transients symmetrically — useful on AC signal lines or where the polarity of the surge is unknown, such as telecom or sensor inputs referenced to chassis ground. The DO-201AA axial package is through-hole mounted — the leaded form factor handles thermal cycling better than surface-mount equivalents in high-reliability or retrofit applications.
No pin-compatible second-source or direct cross-reference is listed on the YAGEO record.