Product Detail
- Product: HER308 high efficiency rectifier diode.
- Rating: 3A, 1000V.
- Package: DO-201AD.
- Use case: converter boards.
Product Description
This HER308 high efficiency rectifier diode page is for boards that need 3A current, 1000V reverse voltage and HER recovery behavior in a DO-201AD package. You can compare HER308 by recovery time, forward current, surge rating, reverse leakage, body size, lead pitch and operating temperature. It is useful in LED drivers, adapters, chargers, auxiliary converters and industrial control supplies where general rectifiers may run too hot or switch too slowly. Lian Tuo helps you confirm the waveform and package before sampling. That keeps HER308 tied to 3A HER recovery requirements.
Our HER308 High Efficiency Rectifier Diode Options
| HER308 High Efficiency Rectifier Diode | 3A 1000V DO-201AD part for stronger HER rectifier paths. |
| HER306 High Efficiency Rectifier Diode | Nearby 600V class option when lower voltage margin is enough. |
| HER208 High Efficiency Rectifier Diode | 2A DO-15 direction when the board needs a smaller package. |
| DO-201AD HER Rectifier Diode | Package route for 3A high-efficiency axial power boards. |
| 3A Low-Loss Rectifier Equivalent | Comparison path when current, recovery and body size need review. |
Feature Box
- 3A HER RatingCurrent class supports stronger converter positions.
- 1000V MarginReverse-voltage rating suits high-stress boards.
- DO-201AD BodyAxial package gives more thermal room.
- Recovery ReviewHER behavior can reduce switching stress.
Use HER308 For Stronger HER Paths
A HER308 high efficiency rectifier diode is useful when a board needs more current than 1A or 2A HER families can provide. The 3A DO-201AD body gives more package room, but current duty and surge stress should still be checked. It also helps avoid treating every DO-201AD diode the same.
Keep 1000V Margin Meaningful
HER308 offers 1000V reverse-voltage class, but the rating should be compared with real spikes and bus tolerance. A HER308 high efficiency rectifier diode is strongest when voltage margin, recovery behavior and package temperature are reviewed together. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
Reduce Recovery Heat
HER families are chosen when recovery loss matters more than in a standard rectifier. A HER308 high efficiency rectifier diode should be selected by waveform frequency, current slope and board heat. The goal is practical lower stress in the actual circuit. It also helps avoid treating every DO-201AD diode the same.
Compare With HER208 Carefully
HER308 and HER208 are not simply interchangeable because current and package size differ. Lian Tuo can compare HER308 high efficiency rectifier diode options by DO-201AD body, current rating and application before replacement stock is approved. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
Vertical Product Applications
LED Driver Power Boards
Use a HER308 high efficiency rectifier diode in LED driver power boards when 3A current and 1000V margin are needed. The package should match heat, surge and switching behavior. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
Charger And Adapter Outputs
Chargers and adapters can use HER308 where a stronger high-efficiency rectifier is required. You should confirm current duty, recovery behavior and DO-201AD package fit before sampling. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements.
Industrial Auxiliary Supplies
Industrial auxiliary supplies may need HER308 when standard rectifiers run warm in converter paths. The diode should match voltage stress, current and board airflow. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
FAQ
What is HER308 high efficiency rectifier diode used for?
It is used in 3A, 1000V class rectifier positions that need HER recovery behavior and a DO-201AD axial package. Applications include LED drivers, chargers and converter boards. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements.
Can HER308 replace 1N5408?
Sometimes, if voltage, current, package and surge rating fit. HER308 has faster recovery behavior, so it should be used when the circuit benefits from reduced recovery stress. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
What data helps quote HER308?
Send voltage, current, recovery need, package, surge condition, old marking and quantity. A board photo helps confirm DO-201AD body size and lead spacing. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements.
How is HER308 different from HER208?
HER308 is commonly a 3A DO-201AD direction, while HER208 is commonly a 2A DO-15 direction. Current class and package heat behavior differ. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
Can HER308 be used in SMPS?
Yes, in suitable SMPS or converter positions where HER recovery, voltage and current fit the waveform. Very high-frequency nodes may need UF or other ultrafast options. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements.
Does HER308 reduce temperature?
It can reduce recovery-related heating compared with slower rectifiers, but temperature also depends on current, forward drop, package and board airflow. That keeps HER308 tied to 3A HER recovery requirements. It also helps avoid treating every DO-201AD diode the same.
Can Lian Tuo support HER308 equivalents?
Yes. We can compare HER308, nearby HER models and 3A high efficiency rectifier diode equivalents by voltage, package, recovery and current duty. It also helps avoid treating every DO-201AD diode the same. That keeps HER308 tied to 3A HER recovery requirements.
Internal Product Links
HER208 High Efficiency Rectifier Diode UF4007 DO-201AD High Voltage Diode









