| 1638201 | U16C30 | POWER RECTIFIERS(16A,300-600V) | MOSPEC Semiconductor |
| 1638202 | U16C40 | POWER RECTIFIERS(16A,300-600V) | MOSPEC Semiconductor |
| 1638203 | U16C50 | POWER RECTIFIERS(16A,300-600V) | MOSPEC Semiconductor |
| 1638204 | U16C60 | POWER RECTIFIERS(16A,300-600V) | MOSPEC Semiconductor |
| 1638205 | U16C70 | POWER RECTIFIERS(16A,700-1000V) | MOSPEC Semiconductor |
| 1638206 | U16C80 | POWER RECTIFIERS(16A,700-1000V) | MOSPEC Semiconductor |
| 1638207 | U16C90 | POWER RECTIFIERS(16A,700-1000V) | MOSPEC Semiconductor |
| 1638208 | U170 | Tuner diode | ITT Semiconductors |
| 1638209 | U173A | 173 Pin Ceramic Pin Grid Array | National Semiconductor |
| 1638210 | U175A | 175 Pin Ceramic Pin Grid Array | National Semiconductor |
| 1638211 | U180 | Tuner diode | ITT Semiconductors |
| 1638212 | U180A | 180 Pin Ceramic Pin Grid Array | National Semiconductor |
| 1638213 | U1897 | N-channel JFET switch. | Intersil |
| 1638214 | U1897-18 | N-channel JFET switch. | Intersil |
| 1638215 | U1898 | N-Channel Switch | Fairchild Semiconductor |
| 1638216 | U1898 | N-channel JFET switch. | Intersil |
| 1638217 | U1898-18 | N-channel JFET switch. | Intersil |
| 1638218 | U1898_D27Z | N-Channel Switch | Fairchild Semiconductor |
| 1638219 | U1899 | N-channel JFET switch. | Intersil |
|
| 1638220 | U1899-18 | N-channel JFET switch. | Intersil |
| 1638221 | U192D | MOS circuit, decoder for channel display, possibly equivalent M192B1 | RFT |
| 1638222 | U1BC44 | RECTIFIER SILICON DIFFUSED JUNCTION TYPE FOR HYBRID USE | TOSHIBA |
| 1638223 | U1DL44A | HIGH EFFICIENCY RECTIFIER (HED) SILICON EPITAXIAL JUNCTION TYPE SWITCHING MODE POWER SUPPLY APPLICATIONS | TOSHIBA |
| 1638224 | U1DL49 | HIGH EFFICIENCY RECTIFIER (HED) SILICON EPITAXIAL JUNCTION TYPE SWITCHING MODE POWER SUPPLY APPLICATIONS | TOSHIBA |
| 1638225 | U1DL49 | HIGH EFFICIENCY RECTIFIER (HED) SILICON EPITAXIAL JUNCTION TYPE SWITCHING MODE POWER SUPPLY APPLICATIONS | TOSHIBA |
| 1638226 | U1FWJ44L | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE HIGH SPEED RECTIFIER APPLICATIONS | TOSHIBA |
| 1638227 | U1FWJ44M | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE HIGH SPEED RECTIFIER APPLICATIONS | TOSHIBA |
| 1638228 | U1FWJ44N | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE HIGH SPEED RECTIFIER APPLICATIONS | TOSHIBA |
| 1638229 | U1GC44 | RECTIFIER SILICON DIFFUSED JUNCTION TYPE FOR HYBRID USE | TOSHIBA |
| 1638230 | U1GU44 | SUPER FAST RECOVERY RECTIFIER SILICON DIFFUSED TYPE SWITCHING MODE POWER SUPPLY APPLICATIONS | TOSHIBA |
| 1638231 | U1GWJ2C49 | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE SWITCHING MODE POWER SUPPLY APPLICATION CONVERTER & CHOPPER APPLICATION | TOSHIBA |
| 1638232 | U1GWJ44 | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE HIGH SPEED RECTIFIER APPLICATIONS | TOSHIBA |
| 1638233 | U1GWJ49 | SCHOTTKY BARRIER RECTIFIER SCHOTTKY BARRIER TYPE HIGH SPEED RECTIFIER APPLICATIONS | TOSHIBA |
| 1638234 | U1JC44 | RECTIFIER SILICON DIFFUSED JUNCTION TYPE FOR HYBRID USE | TOSHIBA |
| 1638235 | U1JU44 | SUPER FAST RECOVERY RECTIFIER SILICON DIFFUSED TYPE SWITCHING MODE POWER SUPPLY APPLICATIONS | TOSHIBA |
| 1638236 | U1Z | Zener Diode SILICON DIFFUSED TYPE CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS | TOSHIBA |
| 1638237 | U1ZB10 | Zener Diode SILICON DIFFUSED TYPE CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS | TOSHIBA |
| 1638238 | U1ZB100 | Zener Diode SILICON DIFFUSED TYPE CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS | TOSHIBA |
| 1638239 | U1ZB11 | Zener Diode SILICON DIFFUSED TYPE CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS | TOSHIBA |
| 1638240 | U1ZB110 | Zener Diode SILICON DIFFUSED TYPE CONSTANT VOLTAGE REGULATION TRANSIENT SUPPRESSORS | TOSHIBA |
