lN9S7 thru lN992 CASE 51 (00-7) Hermetically sea.
1N991B - Silicon 500mW Zener Diodes
1N991B - 500mW SILICON ZENER DIODES
1N991BUR-1 - Silicon MELF 500mW Zener Diodes
1N991B - 0.5W SILICON ZENER DIODES
1N991B-1 - Silicon 500mW Zener Diodes
1N991 - Diode
1N991B - SILICON ZENER DIODE