Product Detail
- Input type: single-phase AC.
- Output: full-wave DC rectification.
- Packages: DB, ABS, GBU, KBPC.
- Use: power input stages.
Product Description
This single phase bridge rectifier range helps you choose a bridge package for one-phase AC input conversion before the power board is locked. You can compare small DB or ABS packages for compact layouts, GBU options for medium PCB power and KBPC blocks for higher surge or heat needs. It is useful when your design must handle capacitor inrush, steady load current and limited cooling space. Lian Tuo can help you confirm current rating, reverse voltage, package style, mounting method and equivalent bridge models before sampling. This gives your team a clearer input-stage choice for repeat orders.
Our Single Phase Bridge Rectifier Options
| DB Bridge Rectifier | Small through-hole bridge for low-current AC input and compact control boards. |
| ABS Bridge Rectifier | SMD bridge option for thin chargers, smart plugs and automated assembly. |
| GBU Bridge Rectifier | Inline PCB package for medium power supplies needing better heat margin. |
| KBPC Bridge Rectifier | Square block package for higher current, panel mounting and strong surge needs. |
| WOB Bridge Rectifier | Round leaded bridge option for older boards and replacement applications. |
Feature Box
- One-Phase InputBuilt for full-wave rectification after single-phase AC input.
- Package RangeSmall SMD, PCB and block bridge packages are available.
- Surge ReviewInrush current can be checked before sample approval.
- Thermal MatchingPackage choice follows heat path and mounting style.
Handle Inrush Better
A single phase bridge rectifier often sees a sharp current pulse when the first bulk capacitor charges. That pulse can be much higher than the normal DC load. You can reduce field risk by checking surge rating, capacitor size and package temperature before choosing DB, ABS, GBU or KBPC options.
Choose The Right Package
The single phase bridge rectifier package should follow the board layout and cooling path. Small DB or ABS parts work well in compact supplies, while GBU and KBPC packages give more room for heat and surge. If your enclosure is closed, share the ambient temperature before sampling. That helps you avoid second-round samples and package confusion.
Simplify Power BOMs
With a single phase bridge rectifier range, purchasing can compare several package families without changing the circuit function. Send the AC input voltage, DC load current, capacitor value and target package. We can then help match practical bridge models and avoid unnecessary oversizing. This makes the final quote easier to check internally.
Protect Product Life
A bridge rectifier may look like a simple input part, but it often decides long-term reliability. Heat, line surge and mounting style all affect product life. The single phase bridge rectifier should be selected with real load data, not only the maximum current printed in a catalog. This also makes repeat sourcing easier for your purchasing team.
Plan Future Supply
A single phase bridge rectifier should also be chosen with future purchasing in mind. If the package is common, your team has more equivalent options during repeat orders. Confirming the bridge style, voltage class and thermal requirement early helps you avoid redesign work when one model becomes hard to source.
Vertical Product Applications
Power Supply Inputs
Use this single phase bridge rectifier range in power supply inputs where AC must be converted before the bulk capacitor. You can choose a small package for low power or a larger bridge for stronger surge margin. The right package helps your supply run cooler and pass input stress testing.
Battery Chargers
Battery chargers can keep a bridge rectifier warm for long periods, especially when the battery is deeply discharged. This single phase bridge rectifier range lets you review current, surge and heat before approving samples. You can move from GBU to KBPC packages when the charger needs more thermal margin. This makes the final quote easier to check internally.
LED Driver Boards
LED driver boards need compact input rectification that still handles mains surge and enclosed heat. This single phase bridge rectifier range helps you match ABS, DB or GBU packages to the driver power level. It supports cleaner BOM approval and more stable production for repeated lighting orders. It also protects the layout from late package changes.
FAQ
How do I choose a single phase bridge rectifier?
Start with AC input voltage, DC load current, capacitor size and package space. Then check surge current and temperature rise. A small bridge may meet the current rating but still run hot if the board copper or airflow is limited.
Is a higher-current bridge rectifier always better?
Not always. A larger single phase bridge rectifier can improve heat margin, but it may cost more or fail to fit the board. The right choice depends on load current, surge condition, mounting style, package space and production requirement. This keeps sample approval tied to the real board condition.
What information helps quote bridge rectifiers?
Send the input voltage, output current, preferred package, capacitor size, application and quantity. If you are replacing an old bridge, include the marking and board photo. Those details help us compare DB, ABS, GBU, KBPC or WOB options accurately. It also gives your purchasing team a cleaner RFQ path.
Can I replace a DB bridge with a GBU bridge?
Only if the board and enclosure can support the larger package. GBU bridges usually offer more current and heat margin, but the lead spacing and height are different. You should confirm the PCB layout before treating it as a direct replacement.
Why does bridge rectifier surge current matter?
Surge current matters because the first capacitor after the bridge can draw a large charging pulse at startup. If the bridge has too little surge margin, it may fail even when the average load current seems acceptable. Always check inrush conditions.
Can Lian Tuo support bridge rectifier equivalents?
Yes. Share the old part number, package, rating and application. We can help compare single phase bridge rectifier options and suggest practical equivalents while checking that the replacement still fits the board and thermal requirement. It also protects the layout from late package changes.
