This part is a kind of semiconductor called B88069X1500xxxx.

Function of this product has 2-Electrode-Arrester.

Manufacturers : EPCOS

Image and pinout :

Some of the text within the PDF file :

Surge Arrester 2-Electrode-Arrester A81-A250X Ordering code: B88069X1500xxxx a) DC spark-over voltage 1) Impulse spark-over voltage at 100 V/µs - for 99 % of measured values - typical values of distribution 250 ± 20 < 550 < 500 < 700 < 650 20 25 10 100 > 10 < 1.5 ~ 15 ~ 0.5 ~ 60 ~ 1.5 -40 ... +90 40/ 90/ 21 250 YY O 250 YY O - Nominal voltage - Year of production - Non radioactive V % V V V V kA kA A A GΩ pF V A V g °C at 1 kV/µs - for 99 % of measured values - typical values of distribution Nominal impulse discharge current (wave 8/20 µs) Single impulse discharge current (wave 8/20 µs) Nominal alternating discharge current (50 Hz, 1 s) Alternating discharge current (50 Hz, 9 cycles) Insulation resistance at 100 Vdc Capacitance at 1 MHz Arc voltage at 1 A [ ... ]

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