1N5221B-1 thru 1N5281B-1 Available on commercial .
1N5222B - SILICON ZENER DIODES
1N5222B - Zener Diodes
1N5222B - 500mW ZENER DIODE
1N5222B - 500mW EPITAXIAL ZENER DIODE
1N5222B-1 - ZENER DIODES
1N5222B - Silicon Zener Diodes
1N5222B-G - Glass Silicon Zener Diode
1N5222BUR-1 - METALLURGICALLY BONDED GLASS SURFACE MOUNT 500mW ZENERS
1N5222B - Small Signal Zener Diodes
1N5222B - 0.5W Hermetically Sealed Glass Zener Diodes
1N5222B - ZENER DIODES
1N5222B - 0.5W SILICON PLANAR ZENER DIODES