| 1264281 | OP27 | Low-Noise Precision High-Speed Operational Amplifier | Texas Instruments |
| 1264282 | OP270 | Dual Very Low Noise Precision Operational Amplifier | Analog Devices |
| 1264283 | OP270 | Dual/Quad Low Noise, Precision Operational Amplifiers | Linear Technology |
| 1264284 | OP270ARC_883 | 18V; 25mA; dual very low-noise precision operational amplifier | Analog Devices |
| 1264285 | OP270AZ | 18V; 25mA; dual very low-noise precision operational amplifier | Analog Devices |
| 1264286 | OP270EZ | Dual Very Low Noise Precision Operational Amplifier | Analog Devices |
| 1264287 | OP270FZ | 18V; 25mA; dual very low-noise precision operational amplifier | Analog Devices |
| 1264288 | OP270GP | 18V; 25mA; dual very low-noise precision operational amplifier | Analog Devices |
| 1264289 | OP270GS | 18V; 25mA; dual very low-noise precision operational amplifier | Analog Devices |
| 1264290 | OP270S | Space Qualified Die Document | Analog Devices |
| 1264291 | OP271 | High Speed, Dual Operational Amplifier | Analog Devices |
| 1264292 | OP271ARC_883 | 18V; 25mA; high speed, dual operational amplifier | Analog Devices |
| 1264293 | OP271AZ | 18V; 25mA; high speed, dual operational amplifier | Analog Devices |
| 1264294 | OP271EZ | 18V; 25mA; high speed, dual operational amplifier | Analog Devices |
| 1264295 | OP271FZ | 18V; 25mA; high speed, dual operational amplifier | Analog Devices |
| 1264296 | OP271GP | High Speed, Dual Operational Amplifier | Analog Devices |
| 1264297 | OP271GS | 18V; 25mA; high speed, dual operational amplifier | Analog Devices |
| 1264298 | OP275 | Dual Bipolar/JFET, Audio Operational Amplifier | Analog Devices |
| 1264299 | OP275GBC | Dual Bipolar/JFET, Audio Operational Amplifier | Analog Devices |
|
| 1264300 | OP275GP | Dual Bipolar/JFET, Audio Operational Amplifier | Analog Devices |
| 1264301 | OP275GS | Dual Bipolar/JFET, Audio Operational Amplifier | Analog Devices |
| 1264302 | OP275GSR | Dual Bipolar/JFET, Audio Operational Amplifier | Analog Devices |
| 1264303 | OP279 | Rail-to-Rail High Output Current Operational Amplifier | Analog Devices |
| 1264304 | OP279GP | Rail-to-Rail High Output Current Operational Amplifiers | Analog Devices |
| 1264305 | OP279GRU | Rail-to-Rail High Output Current Operational Amplifiers | Analog Devices |
| 1264306 | OP279GRU-REEL | Rail-to-Rail High Output Current Operational Amplifier | Analog Devices |
| 1264307 | OP279GRUZ-REEL | Rail-to-Rail High Output Current Operational Amplifier | Analog Devices |
| 1264308 | OP279GS | Rail-to-Rail High Output Current Operational Amplifiers | Analog Devices |
| 1264309 | OP27A | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS | Texas Instruments |
| 1264310 | OP27AFK | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS | Texas Instruments |
| 1264311 | OP27AFKB | Low-Noise Precision High-Speed Operational Amplifier | Texas Instruments |
| 1264312 | OP27AJ | Low-Noise, Precision Operational Amplifier | Analog Devices |
| 1264313 | OP27AJ/883C | Low Noise, Precision Operational Amplifier | Analog Devices |
| 1264314 | OP27AJG | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS | Texas Instruments |
| 1264315 | OP27AJGB | Low-Noise Precision High-Speed Operational Amplifier | Texas Instruments |
| 1264316 | OP27AP | LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS | Texas Instruments |
| 1264317 | OP27AZ | Low-Noise, Precision Operational Amplifier | Analog Devices |
| 1264318 | OP27AZ/883C | Low Noise, Precision Operational Amplifier | Analog Devices |
| 1264319 | OP27BJ | Low-Noise Precision Operaional Amplifiers | MAXIM - Dallas Semiconductor |
| 1264320 | OP27BJ/883C | Low Noise, Precision Operational Amplifier | Analog Devices |
