1) Built-in zener diode between collector and base. 2) Strong protection against reverse surges due to "L" loads. 3) Built-in resistor between base and emitter. 4) Built-.

D1861A

D1861B

D1861C

D1861D

D1862

D1867

D1869L

D1800N

D1801

D1802

D1803

D1804

D1805

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