| 1340721 | PS2501-1 | 6V; 50mA phototransistor optically coupled isolator | ISOCOM |
| 1340722 | PS2501-1 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340723 | PS2501-2 | 6V; 50mA phototransistor optically coupled isolator | ISOCOM |
| 1340724 | PS2501-2 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340725 | PS2501-3 | High collector withstand photo coupler | NEC |
| 1340726 | PS2501-4 | 6V; 50mA phototransistor optically coupled isolator | ISOCOM |
| 1340727 | PS2501-4 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340728 | PS2501A-1 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340729 | PS2501AL-1 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340730 | PS2501AL-1-E3 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340731 | PS2501AL-1-E4 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340732 | PS2501AL-1-F3 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340733 | PS2501AL-1-F4 | High isolation voltage single transistor type photocoupler. | NEC |
| 1340734 | PS2501L-1 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340735 | PS2501L-1-E3 | High collector withstand photo coupler | NEC |
| 1340736 | PS2501L-1-E4 | High collector withstand photo coupler | NEC |
| 1340737 | PS2501L-1-F3 | High collector withstand photo coupler | NEC |
| 1340738 | PS2501L-1-F4 | High collector withstand photo coupler | NEC |
| 1340739 | PS2501L-2 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
|
| 1340740 | PS2501L-2-E3 | High collector withstand photo coupler | NEC |
| 1340741 | PS2501L-2-E4 | High collector withstand photo coupler | NEC |
| 1340742 | PS2501L-3 | High collector withstand photo coupler | NEC |
| 1340743 | PS2501L-4 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340744 | PS2501L2 | High collector withstand photo coupler | NEC |
| 1340745 | PS2502 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340746 | PS2502-1 | 6V; 50mA high density phototransistor optically coupled isolator | ISOCOM |
| 1340747 | PS2502-1 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340748 | PS2502-2 | 6V; 50mA high density phototransistor optically coupled isolator | ISOCOM |
| 1340749 | PS2502-2 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340750 | PS2502-3 | Multi photo coupler. High isolation voltage. Darlington transistor type. | NEC |
| 1340751 | PS2502-4 | 6V; 50mA high density phototransistor optically coupled isolator | ISOCOM |
| 1340752 | PS2502-4 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340753 | PS2502L-1 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340754 | PS2502L-2 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340755 | PS2502L-3 | Darlington output photo coupler | NEC |
| 1340756 | PS2502L-4 | HIGH ISOLATION VOLTAGE DARLINGTON TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES | NEC |
| 1340757 | PS2502L1-1 | Darlington output photo coupler | NEC |
| 1340758 | PS2502L2 | Darlington output photo coupler | NEC |
| 1340759 | PS2503-1 | LOW INPUT CURRENT, HIGH SPEED SWITCHING MULTI PHOTOCOUPLER SERIES | NEC |
| 1340760 | PS2503-2 | LOW INPUT CURRENT, HIGH SPEED SWITCHING MULTI PHOTOCOUPLER SERIES | NEC |
