S5BHE3_A/I vs S5MHE3_A/I
| Part Number |
|
|
| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE GEN PURP 100V 5A DO214AB | DIODE GEN PURP 1KV 5A DO214AB |
| Package | Tape & Reel (TR) | Cut Tape (CT) |
| Series | Automotive, AEC-Q101 | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC |
| Supplier Device Package | DO-214AB (SMC) | DO-214AB (SMC) |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 5A | 5A |
| Voltage - Forward (Vf) (Max) @ If | 1.15 V @ 5 A | 1.15 V @ 5 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 100 V | 10 µA @ 1000 V |
| Capacitance @ Vr, F | 40pF @ 4V, 1MHz | 40pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 100 V | 1000 V |
| Speed | Standard Recovery >500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 2.5 µs | 2.5 µs |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
-
1. What is a fast recovery diode?
Fast recovery diode is a special type of rectifier diode with a short reverse recovery time, suitable for high-frequency power supplies and switch mode power supplies (SMPS) applications, reducing switching losses.
-
2. What is the reverse recovery time of a rectifier diode?
Reverse recovery time refers to the time required for a diode to transition from a forward conducting state to a reverse blocking state. A shorter reverse recovery time is particularly important in high-frequency applications to reduce power loss.
-
3. How to determine if the rectifier diode is damaged?
Use a multimeter to measure the forward and reverse resistance of a diode. If the diode exhibits low impedance or high impedance in both directions, it may have been damaged. Under normal circumstances, there should be low impedance when conducting in the forward direction, and high impedance when conducting in the reverse direction.
-
4. How to improve the efficiency of rectifier diodes?
The use of Schottky diodes or fast recovery diodes can reduce forward voltage drop and reverse recovery time, thereby improving the efficiency of rectifier circuits, especially in high-frequency applications.

