| Picture | Part Number | Description | Category | Manufacture |
 | BZX84B18LT1 | DIODE ZENER 18V 225MW SOT-23 | MOSFET Semiconductor | ON Semiconductor |
| BZX84B18LT1G | DIODE ZENER 18V 225MW SOT-23 | MOSFET Semiconductor | ON Semiconductor |
 | MM5Z18VT1 | DIODE ZENER 18V 200MW SOD-523 | MOSFET Semiconductor | ON Semiconductor |
| MM5Z18VT1G | DIODE ZENER 18V 200MW SOD-523 | MOSFET Semiconductor | ON Semiconductor |
 | MM3Z18VC | DIODE ZENER 18V 200MW SOD-323F | MOSFET Semiconductor | Fairchild Semiconductor (VA) |
| MM3Z18VB | DIODE ZENER 18V 200MW SOD-323F | MOSFET Semiconductor | Fairchild Semiconductor (VA) |
 | MM3Z18VST1 | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | ON Semiconductor (VA) |
| MM3Z18VST1G | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | ON Semiconductor (VA) |
| MM3Z18VT1 | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | ON Semiconductor |
| MM3Z18VT1G | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | ON Semiconductor |
| BZT52C18S-7 | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | Diodes Inc (VA) |
| MMSZ5248BS-7 | DIODE ZENER 18V 200MW SOD-323 | MOSFET Semiconductor | Diodes Inc (VA) |
 | MMBZ5248BW-7 | DIODE ZENER 18V 200MW SC70-3 | MOSFET Semiconductor | Diodes/Zetex (VA) |
| BZX84C18W-7 | DIODE ZENER 18V 200MW SC70-3 | MOSFET Semiconductor | Diodes Inc (VA) |
 | CZRF52C18 | DIODE ZENER 18V 200MW 1005 | MOSFET Semiconductor | Comchip Technology (VA) |
 | BZV49-C18,115 | DIODE ZENER 18V 1W SOT89 | MOSFET Semiconductor | NXP Semiconductors |
 | ZM4746A-13 | DIODE ZENER 18V 1W SMD MELF | MOSFET Semiconductor | Diodes Inc (VA) |
 | SMAZ18-13 | DIODE ZENER 18V 1W SMA | MOSFET Semiconductor | Diodes Inc (VA) |
 | CMZB18(TE12L,Q) | DIODE ZENER 18V 1W M-FLAT | MOSFET Semiconductor | Toshiba |
 | MAZ21800AG | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Panasonic - SSG (VA) |
| 1N4746A,113 | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | NXP Semiconductors |
| 1N4746A P | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Microsemi Commercial Components Group (VA) |
| 1N4746AP/TR8 | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Microsemi Commercial Components Group |
| 1N4746ATR | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| 1N4746A_T50R | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| 1N4746A_T50A | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| 1N4746A | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| BZX85C18_T50R | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| BZX85C18_T50A | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
| BZX85C18 | DIODE ZENER 18V 1W DO-41 | MOSFET Semiconductor | Fairchild Semiconductor |
