1N5221B-1 thru 1N5281B-1 Available on commercial .
1N5221B - 500mW EPITAXIAL ZENER DIODE
1N5221B - Zener Diodes
1N5221B - ZENER DIODES
1N5221B - 0.5W Hermetically Sealed Glass Zener Diodes
1N5221BUR-1 - METALLURGICALLY BONDED GLASS SURFACE MOUNT 500mW ZENERS
1N5221B - SILICON ZENER DIODES
1N5221B-G - Glass Silicon Zener Diode
1N5221B-1 - ZENER DIODES
1N5221B - Silicon Zener Diodes
1N5221B - 0.5W SILICON PLANAR ZENER DIODES
1N5221B - 500mW ZENER DIODE
1N5221B - Zener Diode
1N5221B - Small Signal Zener Diodes
1N5221B - TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES