1N5221B-1 thru 1N5281B-1 Available on commercial .
1N5264B - ZENER DIODES
1N5264B - SILICON PLANAR ZENER DIODES
1N5264B - Small Signal Zener Diodes
1N5264B - Voltage regulator diodes
1N5264B - 500mW EPITAXIAL ZENER DIODE
1N5264B-G - Glass Silicon Zener Diode
1N5264B - Zener Diodes
1N5264B - Silicon Zener Diodes
1N5264B-1 - ZENER DIODES
1N5264B - SILICON ZENER DIODES
1N5264BUR-1 - METALLURGICALLY BONDED GLASS SURFACE MOUNT 500mW ZENERS