| Manufacturer | Part Number | Description |
|---|---|---|
E-Tech Electronics
| MMUN2231RLT1 | (MMUN2211RLT1 - MMUN2233RL34) Bias Resistor Transistor |
Motorola Semiconductor (now NXP Semiconductors)
| MMUN2231LT1 | NPN SILICON BIAS RESISTOR TRANSISTOR |
SEMTECH
| MMUN2231 | NPN Silicon Epitaxial Planar Transistor |
Weitron Technology
| MMUN2231 | Bias Resistor Transistor NPN Silicon |
onsemi
| MMUN2231L | Digital Transistors |
