| Manufacturer | Part Number | Description |
|---|---|---|
| Unknown Manufacturer | LH1521A | HIGH VOLATAGE/ PHOTO MOS RELAY |
| Unknown Manufacturer | LH1521 | HIGH VOLATAGE/ PHOTO MOS RELAY |
AT-T
| LH1521AB | (LH15xx) 1 Form Relays |
Siemens Semiconductor Group (now Infineon)
| LH1523 | (LH1521 / LH1523) Dual 1 Form B |
|
Siemens Semiconductor Group (now Infineon)
| LH1521 | (LH1521 / LH1523) Dual 1 Form B |
