| ULQ2003A | Texas Instruments | Darlington Transistor Arrays |
| ULQ2003AD | Texas Instruments | Darlington Transistor Arrays |
| ULQ2003ADR | Texas Instruments | Darlington Transistor Arrays |
| ULQ2003AN | Texas Instruments | Darlington Transistor Arrays |
| ULQ2003ATDQ1 | Texas Instruments | Darlington Transistor Arrays |
| ULQ2003ATDRQ1 | Texas Instruments | Darlington Transistor Arrays |
| ULQ2004A | Texas Instruments | High-Voltage, High-Current Darlington Transistor Array |
| ULQ2004AD | Texas Instruments | High-Voltage, High-Current Darlington Transistor Array |
| ULQ2004ADR | Texas Instruments | High-Voltage, High-Current Darlington Transistor Array |
| ULQ2004AN | Texas Instruments | High-Voltage, High-Current Darlington Transistor Array |
| ULQ2004ATDRQ1 | Texas Instruments | High-Voltage, High-Current Darlington Transistor Array |