| 1244921 | NE5539D | High frequency operational amplifier | Philips |
| 1244922 | NE5539F | High frequency operational amplifier | Philips |
| 1244923 | NE5539N | High frequency operational amplifier | Philips |
| 1244924 | NE555 | Single timer. Supply voltage Vcc=4.5V,min; Vcc=16V,max. Supply current: Icc=3mA,typ; Icc=6mA,max (Vcc=5V); Icc=7.5mA,typ; Icc=15mA.max (Vcc=15V). | Contek Microelectronics |
| 1244925 | NE555 | Precision Timers | Diodes |
| 1244926 | NE555 | Single Timer | Fairchild Semiconductor |
| 1244927 | NE555 | Timer | Philips |
| 1244928 | NE555 | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | SGS Thomson Microelectronics |
| 1244929 | NE555 | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | SGS Thomson Microelectronics |
| 1244930 | NE555 | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | ST Microelectronics |
| 1244931 | NE555 | Single Precision Timer | Texas Instruments |
| 1244932 | NE555 | Precision Timer | Wing Shing Computer Components |
| 1244933 | NE555D | Single Timer | Fairchild Semiconductor |
| 1244934 | NE555D | Timer | Philips |
| 1244935 | NE555D | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | SGS Thomson Microelectronics |
| 1244936 | NE555D | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | ST Microelectronics |
| 1244937 | NE555D | Single Precision Timer | Texas Instruments |
| 1244938 | NE555DE4 | Single Precision Timer 8-SOIC 0 to 70 | Texas Instruments |
| 1244939 | NE555DG4 | Single Precision Timer 8-SOIC 0 to 70 | Texas Instruments |
|
| 1244940 | NE555DR | Single Precision Timer | Texas Instruments |
| 1244941 | NE555DRE4 | Single Precision Timer 8-SOIC 0 to 70 | Texas Instruments |
| 1244942 | NE555DRG3 | Single Precision Timer 8-SOIC 0 to 70 | Texas Instruments |
| 1244943 | NE555DRG4 | Single Precision Timer 8-SOIC 0 to 70 | Texas Instruments |
| 1244944 | NE555DT | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | SGS Thomson Microelectronics |
| 1244945 | NE555DT | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | ST Microelectronics |
| 1244946 | NE555DX | Single Timer | Fairchild Semiconductor |
| 1244947 | NE555F | Timer | Philips |
| 1244948 | NE555FK | PRECISION TIMERS | Texas Instruments |
| 1244949 | NE555JG | PRECISION TIMERS | Texas Instruments |
| 1244950 | NE555M | Precision timer | Wing Shing Computer Components |
| 1244951 | NE555N | Single Timer | Fairchild Semiconductor |
| 1244952 | NE555N | Timers for timing delays and oscillator | Harris Semiconductor |
| 1244953 | NE555N | Timer | Philips |
| 1244954 | NE555N | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | SGS Thomson Microelectronics |
| 1244955 | NE555N | GENERAL PURPOSE SINGLE BIPOLAR TIMERS | ST Microelectronics |
| 1244956 | NE555N | Precision timer | Wing Shing Computer Components |
| 1244957 | NE555NB | Timer | Philips |
| 1244958 | NE555ND | Single timer. | Fairchild Semiconductor |
| 1244959 | NE555P | Single Precision Timer | Texas Instruments |
| 1244960 | NE555PE3 | Single Precision Timer 8-PDIP 0 to 70 | Texas Instruments |
