| 1221321 | MU4894 | Silicon annular plastic unijunction transistor designed for military and industrial use in pulse, timing, triggering, sensing and oscillator circuits | Motorola |
| 1221322 | MU51 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221323 | MU510 | POWER RECTIFIERS(5.0A,500-1000V) | MOSPEC Semiconductor |
| 1221324 | MU52 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221325 | MU53 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221326 | MU54 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221327 | MU55 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221328 | MU56 | POWER RECTIFIERS(5.0A,50-400V) | MOSPEC Semiconductor |
| 1221329 | MU57 | POWER RECTIFIERS(5.0A,500-1000V) | MOSPEC Semiconductor |
| 1221330 | MU59 | POWER RECTIFIERS(5.0A,500-1000V) | MOSPEC Semiconductor |
| 1221331 | MU82 | 8-input to 1-output digital multiplexer with 2x drive strength | Austria Mikro Systems |
| 1221332 | MU91-2001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221333 | MU91-3001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221334 | MU92-2001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221335 | MU92-3001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221336 | MU92-4001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221337 | MU92-5001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221338 | MU93-2001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221339 | MU93-3001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
|
| 1221340 | MU93-4001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221341 | MU93-5001 | SUPER BRIGHT LED LIGHT BAR MODULE | etc |
| 1221342 | MU9C1480A-12DC | 120ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221343 | MU9C1480A-12DI | 120ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221344 | MU9C1480A-70DC | 70ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221345 | MU9C1480A-70DI | 70ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221346 | MU9C1480A-90DC | 90ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221347 | MU9C1480A-90DI | 90ns 5.0V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221348 | MU9C1480B-50TAC | 50ns 3.3V LANCAM | MUSIC Semiconductors |
| 1221349 | MU9C1480B-70TAC | 70ns 3.3V LANCAM | MUSIC Semiconductors |
| 1221350 | MU9C1480B-70TAI | 70ns 3.3V LANCAM | MUSIC Semiconductors |
| 1221351 | MU9C1480B-90TAC | 90ns 3.3V LANCAM | MUSIC Semiconductors |
| 1221352 | MU9C1480B-90TAI | 90ns 3.3V LANCAM | MUSIC Semiconductors |
| 1221353 | MU9C1480L-12DC | 120ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221354 | MU9C1480L-12DI | 120ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221355 | MU9C1480L-70DC | 70ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221356 | MU9C1480L-70DI | 70ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221357 | MU9C1480L-90DC | 90ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221358 | MU9C1480L-90DI | 90ns 3.3V 8192 x 64 MU9C1480A/L LANCAM | MUSIC Semiconductors |
| 1221359 | MU9C1480L-90TAC | 90ns 3.3V 1024 x 64bit MU9C1480L LANCAM | MUSIC Semiconductors |
| 1221360 | MU9C1485A-12TCC | 5.0V 120ns 4096 x 64bit widePort LANCAM | MUSIC Semiconductors |
