| Manufacturer | Part Number | Description |
|---|---|---|
| Knox Semiconductor Inc | 1N5456 | GENERAL PURPOSE ABRUPT VARACTOR DIODES |
Aeroflex
| 1N5456 | Silicon Abrupt Varactors |
| Unknown Manufacturer | 1N5456A | SILICON EPICAP DIODES |
Motorola Semiconductor (now NXP Semiconductors)
| 1N5456A | Silicon Tuning Diodes |
