| Picture | Part Number | Description | Category | Manufacture |
 | MMSZ5250BS-7 | DIODE ZENER 20V 200MW SOD-323 | Low-power Semiconductor | Diodes/Zetex (VA) |
| BZT52C20S-7 | DIODE ZENER 20V 200MW SOD-323 | Low-power Semiconductor | Diodes Inc (VA) |
 | MMBZ5250BW-7 | DIODE ZENER 20V 200MW SC70-3 | Low-power Semiconductor | Diodes Inc (VA) |
| BZX84C20W-7 | DIODE ZENER 20V 200MW SC70-3 | Low-power Semiconductor | Diodes Inc |
 | CZRF52C20 | DIODE ZENER 20V 200MW 1005 | Low-power Semiconductor | Comchip Technology (VA) |
 | BZV49-C20,115 | DIODE ZENER 20V 1W SOT89 | Low-power Semiconductor | NXP Semiconductors |
 | PTZTE2520B | DIODE ZENER 20V 1W SOD-106 | Low-power Semiconductor | Rohm Semiconductor |
| PTZTE2520A | DIODE ZENER 20V 1W SOD-106 | Low-power Semiconductor | Rohm Semiconductor |
 | ZM4747A-13 | DIODE ZENER 20V 1W SMD MELF | Low-power Semiconductor | Diodes Inc (VA) |
 | SMAZ20-13 | DIODE ZENER 20V 1W SMA | Low-power Semiconductor | Diodes Inc (VA) |
 | MAZ220000G | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Panasonic - SSG (VA) |
| 1N4747A,113 | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | NXP Semiconductors |
| 1N4747A 9 | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Microsemi Commercial Components Group (VA) |
| 1N4747AP/TR8 | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Microsemi Commercial Components Group |
| 1N4747ATR | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N4747A_T50R | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N4747A_T50A | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N4747A | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX85C20_T50R | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX85C20_T50A | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX85C20 | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N4747A-T | DIODE ZENER 20V 1W DO-41 | Low-power Semiconductor | Diodes Inc (VA) |
 | 1N5932BRLG | DIODE ZENER 20V 1W AXIAL | Low-power Semiconductor | ON Semiconductor (VA) |
 | MAZS200GML | DIODE ZENER 20V 150MW SSMINI-2 | Low-power Semiconductor | Panasonic - SSG (VA) |
 | DZ2S200M0L | DIODE ZENER 20V 150MW SSMINI2 | Low-power Semiconductor | Panasonic - SSG (VA) |
| DZ2S20000L | DIODE ZENER 20V 150MW SSMINI2 | Low-power Semiconductor | Panasonic - SSG |
 | CZRU52C20 | DIODE ZENER 20V 150MW 0603 | Low-power Semiconductor | Comchip Technology (VA) |
 | MAZD20000L | DIODE ZENER 20V 120MW SSSMINI-2 | Low-power Semiconductor | Panasonic - SSG (VA) |
 | DZ2720000L | DIODE ZENER 20V 120MW SSSMINI2 | Low-power Semiconductor | Panasonic - SSG |
 | VDZT2R20B | DIODE ZENER 20V 100MW VMD2 | Low-power Semiconductor | Rohm Semiconductor |
