| 1723721 | ZTE2 | Voltage Stabilizers | Vishay |
| 1723722 | ZTE2,4 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723723 | ZTE2,7 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723724 | ZTE2.4 | Voltage Stabilizers | General Semiconductor |
| 1723725 | ZTE2.4 | Voltage Stabilizers | Vishay |
| 1723726 | ZTE2.7 | Voltage Stabilizers | Vishay |
| 1723727 | ZTE3 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723728 | ZTE3 | Voltage Stabilizers | Vishay |
| 1723729 | ZTE3,3 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723730 | ZTE3,6 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723731 | ZTE3,9 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723732 | ZTE3.3 | Voltage Stabilizers | Vishay |
| 1723733 | ZTE3.6 | Voltage Stabilizers | Vishay |
| 1723734 | ZTE3.9 | Voltage Stabilizers | Vishay |
| 1723735 | ZTE4,3 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723736 | ZTE4,7 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723737 | ZTE4.3 | Diode Zener Single 4.3V 7% 300W 2-Pin DO-35 T/R | New Jersey Semiconductor |
| 1723738 | ZTE4.3 | Voltage Stabilizers | Vishay |
| 1723739 | ZTE4.7 | Diode Zener Single 4.3V 7% 300W 2-Pin DO-35 T/R | New Jersey Semiconductor |
|
| 1723740 | ZTE4.7 | Voltage Stabilizers | Vishay |
| 1723741 | ZTE5,1 | Integrated parallel stabilizers | ITT Semiconductors |
| 1723742 | ZTE5.1 | Voltage Stabilizers | Vishay |
| 1723743 | ZTK SERIES | Voltage Stabilizers | Vishay |
| 1723744 | ZTK11 | Voltage Stabilizers | General Semiconductor |
| 1723745 | ZTK11 | Temperature compensated stabilization circuits - the German version | ITT Semiconductors |
| 1723746 | ZTK11 | Monolithic Temperature Compensated Zener Diode | ITT Semiconductors |
| 1723747 | ZTK18 | Voltage Stabilizers | General Semiconductor |
| 1723748 | ZTK18 | Temperature compensated stabilization circuits - the German version | ITT Semiconductors |
| 1723749 | ZTK18 | Monolithic Temperature Compensated Zener Diode | ITT Semiconductors |
| 1723750 | ZTK22 | Voltage Stabilizers | General Semiconductor |
| 1723751 | ZTK22 | Temperature compensated stabilization circuits - the German version | ITT Semiconductors |
| 1723752 | ZTK22 | Monolithic Temperature Compensated Zener Diode | ITT Semiconductors |
| 1723753 | ZTK27 | Voltage Stabilizers | General Semiconductor |
| 1723754 | ZTK27 | Temperature compensated stabilization circuits - the German version | ITT Semiconductors |
| 1723755 | ZTK27 | Monolithic Temperature Compensated Zener Diode | ITT Semiconductors |
| 1723756 | ZTK33 | Temperature compensated stabilization circuits - the German version | ITT Semiconductors |
| 1723757 | ZTK33 | Monolithic Temperature Compensated Zener Diode | ITT Semiconductors |
| 1723758 | ZTK33A | Voltage Stabilizers | General Semiconductor |
| 1723759 | ZTK33B | Voltage Stabilizers | General Semiconductor |
| 1723760 | ZTK33C | Voltage Stabilizers | General Semiconductor |
