SMAJ4743A-TP vs 1SMB5944B-13
| Part Number |
|
|
| Category | Diodes - Zener - Single | Diodes - Zener - Single |
| Manufacturer | Micro Commercial Co | Diodes Incorporated |
| Description | DIODE ZENER 13V 1W DO214AC | DIODE ZENER 62V 3W SMB |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | - |
| Operating Temperature | -65°C ~ 150°C | -65°C ~ 150°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-214AA, SMB |
| Supplier Device Package | DO-214AC (SMA) | SMB |
| Tolerance | ±5% | ±5% |
| Power - Max | 1 W | 3 W |
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 100 mA | 1.5 V @ 200 mA |
| Current - Reverse Leakage @ Vr | 5 µA @ 9.9 V | 1 µA @ 47.1 V |
| Voltage - Zener (Nom) (Vz) | 13 V | 62 V |
| Impedance (Max) (Zzt) | 10 Ohms | 100 Ohms |
-
1. Are Zener diodes unidirectional?
In normal operation mode, Zener diodes do exhibit unidirectional conductivity, but they start conducting when reverse biased to their Zener voltage.
-
2. Can 2 Zener diodes be connected in series?
Yes, two or more Zener diodes can be used in series to obtain higher stable voltage values. But pay attention to the power rating and heat dissipation of each diode.
-
3. What are the disadvantages of Zener diodes?
Disadvantages include relatively high power consumption, sensitivity to temperature, and the need for proper heat dissipation.
-
4. What are the special uses of Zener diodes?
Special uses include precision voltage references, overvoltage protection circuits, etc.
