| 1654241 | UPC4092G2-T1 | Dual operational amplifier | NEC |
| 1654242 | UPC4092G2-T2 | Dual operational amplifier | NEC |
| 1654243 | UPC4093 | J-FET INPUT LOW-OFFSET OPERATIONAL AMPLIFIER | NEC |
| 1654244 | UPC4093C | J-FET INPUT LOW-OFFSET OPERATIONAL AMPLIFIER | NEC |
| 1654245 | UPC4093G2 | J-FET INPUT LOW-OFFSET OPERATIONAL AMPLIFIER | NEC |
| 1654246 | UPC4093G2-E1 | Single operational amplifier | NEC |
| 1654247 | UPC4093G2-E2 | Single operational amplifier | NEC |
| 1654248 | UPC4093G2-T1 | Single operational amplifier | NEC |
| 1654249 | UPC4093G2-T2 | Single operational amplifier | NEC |
| 1654250 | UPC4094 | J-FET INPUT LOW-OFFSET DUAL OPERATIONAL AMPLIFIER | NEC |
| 1654251 | UPC4094C | J-FET INPUT LOW-OFFSET DUAL OPERATIONAL AMPLIFIER | NEC |
| 1654252 | UPC4094G2 | J-FET INPUT LOW-OFFSET DUAL OPERATIONAL AMPLIFIER | NEC |
| 1654253 | UPC4094G2-E1 | Dual operational amplifier | NEC |
| 1654254 | UPC4094G2-E2 | Dual operational amplifier | NEC |
| 1654255 | UPC4094G2-T1 | Dual operational amplifier | NEC |
| 1654256 | UPC4094G2-T2 | Dual operational amplifier | NEC |
| 1654257 | UPC4250 | PROGRAMMABLE OPERATIONAL AMPLIFIER | NEC |
| 1654258 | UPC4250C | PROGRAMMABLE OPERATIONAL AMPLIFIER | NEC |
| 1654259 | UPC4250G | Single operational amplifier | NEC |
|
| 1654260 | UPC4250G2 | PROGRAMMABLE OPERATIONAL AMPLIFIER | NEC |
| 1654261 | UPC4250G2-E1 | Single operational amplifier | NEC |
| 1654262 | UPC4250G2-E2 | Single operational amplifier | NEC |
| 1654263 | UPC4250G2-T1 | Single operational amplifier | NEC |
| 1654264 | UPC4250G2-T2 | Single operational amplifier | NEC |
| 1654265 | UPC451C | INDUSTRIAL LINEAR ICS | Unknow |
| 1654266 | UPC4556 | HIGH PERFORMANCE DUAL DECOMPENSATED OPERATIONAL AMPLIFIER | NEC |
| 1654267 | UPC4556C | HIGH PERFORMANCE DUAL DECOMPENSATED OPERATIONAL AMPLIFIER | NEC |
| 1654268 | UPC4556G2 | HIGH PERFORMANCE DUAL DECOMPENSATED OPERATIONAL AMPLIFIER | NEC |
| 1654269 | UPC4556G2-E1 | Dual operational amplifier | NEC |
| 1654270 | UPC4556G2-E2 | Dual operational amplifier | NEC |
| 1654271 | UPC4556G2-T1 | Dual operational amplifier | NEC |
| 1654272 | UPC4556G2-T2 | Dual operational amplifier | NEC |
| 1654273 | UPC4558 | HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIER | NEC |
| 1654274 | UPC4558 | Bipolar Analog Integrated Circuit | NEC |
| 1654275 | UPC4558C | Bipolar Analog Integrated Circuit | NEC |
| 1654276 | UPC4558C | HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIER | NEC |
| 1654277 | UPC4558C(5) | Dual operational amplifier | NEC |
| 1654278 | UPC4558C(MS) | Dual operational amplifier | NEC |
| 1654279 | UPC4558C5 | Bipolar Analog Integrated Circuit | NEC |
| 1654280 | UPC4558G2 | Bipolar Analog Integrated Circuit | NEC |
