| No. | Part Number | Description | Manufacture | |
| 172210 | MOC119 | 6-Pin Photodarlington 6-PIN, DIP - No Base Connection | Fairchild |  |
| 172209 | MMSZ5255B | 28V, 0.5W Zener Diode | Fairchild | |
| 172208 | MMSZ5257B | 33V, 0.5W Zener Diode | Fairchild | |
| 172207 | MMSZ5254B | 27V, 0.5W Zener Diode | Fairchild | |
| 172206 | MMSZ5253B | 25V, 0.5W Zener Diode | Fairchild | |
| 172205 | MMSZ5252B | 24V, 0.5W Zener Diode | Fairchild | |
| 172204 | MMSZ5247B | 17V, 0.5W Zener Diode | Fairchild | |
| 172203 | MMSZ5250B | 20V, 0.5W Zener Diode | Fairchild | |
| 172202 | MMSZ5251B | 22V, 0.5W Zener Diode | Fairchild | |
| 172201 | MMSZ5249B | 19V, 0.5W Zener Diode | Fairchild | |
| 172200 | MMSZ5248B | 18V, 0.5W Zener Diode | Fairchild | |
| 172199 | MMSZ5246B | 16V, 0.5W Zener Diode | Fairchild | |
| 172198 | MMSZ5245B | 15V, 0.5W Zener Diode | Fairchild | |
| 172197 | MMSZ5242B | 12V, 0.5W Zener Diode | Fairchild | |
| 172196 | MMSZ5244B | 14V, 0.5W Zener Diode | Fairchild | |
| 172195 | MMSZ5243B | 13V, 0.5W Zener Diode | Fairchild | |
| 172194 | MMSZ5241B | 11V, 0.5W Zener Diode | Fairchild | |
| 172193 | MMSZ5240B | 10V, 0.5W Zener Diode | Fairchild | |
| 172192 | MMSZ5239B | 9.1V, 0.5W Zener Diode | Fairchild | |
| 172191 | MMSZ5238B | 8.7V, 0.5W Zener Diode | Fairchild | |
| 172190 | MMSZ5237B | 8.2V, 0.5W Zener Diode | Fairchild | |
| 172189 | MMSZ5236B | 7.5V, 0.5W Zener Diode | Fairchild | |
| 172188 | MMSZ5235B | 6.8V, 0.5W Zener Diode | Fairchild | |
| 172187 | MMSZ5234B | 6.2V, 0.5W Zener Diode | Fairchild | |
| 172186 | MMSZ5231B | 5.1V, 0.5W Zener Diode | Fairchild | |
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