- 1N4976JANTX
- Microsemi
- Diode Zener Single 56V 5% 5W 2-Pin Case E
- 1N4976JANTX
- Sensitron Semiconductor
- Zener Diode Single 56V 35Ohm 5000mW 2-Pin Case 5W
- 1N4976JAN
- Unitrode Semiconductor
- International Semiconductor Data Book 1981
- 1N4976JANTX
- Unitrode Semiconductor
- International Semiconductor Data Book 1981