| 1691201 | WK164 03-2 | High-speed light-emitting diode 810nm | Tesla Elektronicke |
| 1691202 | WK164 05-1 | Light-Emitting diode 950nm | Tesla Elektronicke |
| 1691203 | WK164 05-2 | Light-Emitting diode 950nm | Tesla Elektronicke |
| 1691204 | WK164 12-1 | Optoelectronic coupler | Tesla Elektronicke |
| 1691205 | WK164 12-2 | Optoelectronic coupler | Tesla Elektronicke |
| 1691206 | WK164 12-3 | Optoelectronic coupler | Tesla Elektronicke |
| 1691207 | WK164 12-4 | Optoelectronic coupler | Tesla Elektronicke |
| 1691208 | WK164 14-1 | Optoelectronic coupler | Tesla Elektronicke |
| 1691209 | WK164 14-2 | Optoelectronic coupler | Tesla Elektronicke |
| 1691210 | WK164 14-3 | Optoelectronic coupler | Tesla Elektronicke |
| 1691211 | WK164 14-4 | Optoelectronic coupler | Tesla Elektronicke |
| 1691212 | WK164 15-1 | Optoelectronic coupler | Tesla Elektronicke |
| 1691213 | WK164 15-2 | Optoelectronic coupler | Tesla Elektronicke |
| 1691214 | WK164 16-1 | Optoelectronic coupler | Tesla Elektronicke |
| 1691215 | WK164 16-2 | Optoelectronic coupler | Tesla Elektronicke |
| 1691216 | WK164 16-3 | Optoelectronic coupler | Tesla Elektronicke |
| 1691217 | WK164 18 | Optoelectronic coupler | Tesla Elektronicke |
| 1691218 | WK164 21-1 | Light-emitting diodes | Tesla Elektronicke |
| 1691219 | WK164 22 | Light-emitting diodes | Tesla Elektronicke |
|
| 1691220 | WK164 23 | Light-emitting diodes | Tesla Elektronicke |
| 1691221 | WK164 24 | Light-emitting diodes | Tesla Elektronicke |
| 1691222 | WK164 25 | Light-emitting diodes | Tesla Elektronicke |
| 1691223 | WK164 26 | Light-emitting diodes | Tesla Elektronicke |
| 1691224 | WK164 27 | Light-emitting diodes | Tesla Elektronicke |
| 1691225 | WK164 28 | Light-emitting diodes | Tesla Elektronicke |
| 1691226 | WK164 29 | Light-emitting diodes | Tesla Elektronicke |
| 1691227 | WK164 30-2 | Light-emitting diodes | Tesla Elektronicke |
| 1691228 | WK164 31 | Light reflection sensor | Tesla Elektronicke |
| 1691229 | WK164 32 | Light reflection sensor | Tesla Elektronicke |
| 1691230 | WK164 33 | Light reflection sensor | Tesla Elektronicke |
| 1691231 | WK164 34 | Light reflection sensor | Tesla Elektronicke |
| 1691232 | WK164 35 | Light road barrier with GAP 8mm | Tesla Elektronicke |
| 1691233 | WK164 36 | Light sensor | Tesla Elektronicke |
| 1691234 | WK164 41 | Transmitter | Tesla Elektronicke |
| 1691235 | WK164 42 | Receiver | Tesla Elektronicke |
| 1691236 | WK650 36a | Sintered photoconductiver cell | Tesla Elektronicke |
| 1691237 | WK650 37 | Sintered photoconductiver cell | Tesla Elektronicke |
| 1691238 | WK650 60a | Vapour-deposited photoconductive cell | Tesla Elektronicke |
| 1691239 | WK650 77 | Vapour-deposited photoconductive cell | Tesla Elektronicke |
| 1691240 | WKP | Ceramic AC Capacitors, Class X1, 760VAC / Class Y1, 500VAC | Vishay |
