| Part Number | BZX55C36 | BZX55C56 | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 36 V | 56 V | 
| Tolerance | ±6% | ±7% | 
| Power - Max | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 80 Ohms | 135 Ohms | 
| Current - Reverse Leakage @ Vr | 100 nA @ 27 V | 100 nA @ 42 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.3 V @ 100 mA | 1.3 V @ 100 mA | 
| Operating Temperature | -65°C ~ 200°C | -65°C ~ 200°C | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | 
| Supplier Device Package | DO-35 (DO-204AH) | DO-35 (DO-204AH) |