GBP410 is a passivated bridge rectifier belonging to GBP4005-GBP410 series. It is UL-recognized and built-in with PCB stand-offs for printed-circuit-board mounting. It provides maximum average forward rectified output current of 4.0A at case temperature of 100℃, with maximum repetitive peak reverse voltage of 1000V. It supports high-temperature soldering at 260℃ for 5 seconds and features high case dielectric strength. This article collects electrical, mechanical and thermal data from datasheet, sorts out key parameters, core features, application scope and engineering notes to support component selection and circuit design.

1. Core Product Parameters

All tests are carried out at ambient temperature of 25℃ unless otherwise specified, under resistive or inductive load at 60Hz. 20% current derating shall be applied for capacitive-load conditions.

1. Voltage ratings: Maximum repetitive peak reverse voltage 1000V; maximum RMS bridge input voltage 700V; maximum DC blocking voltage 1000V.
2. Current ratings: Maximum average forward rectified output current 4.0A with heat sink at case temperature 100℃; peak forward surge current 135A under single sine-wave superimposed rated-load condition; fusing rating 75A²sec; maximum instantaneous forward drop per leg 1.1V at 4.0A DC; DC reverse current per leg 10μA at 25℃ and 1000μA at 125℃ under rated DC blocking voltage.
3. Thermal parameters: Typical junction-to-ambient thermal resistance per element 10.0℃/W when mounted on PCB; operating junction temperature and storage temperature range: -55℃ ~ +150℃.
4. Mechanical and package parameters: Molded plastic GBP housing; plated leads meeting solderability requirement of MIL-STD-202 Method 208; built-in printed-circuit-board stand-offs; approximate device weight 1.35 grams; body length 14.0±0.2mm, body height 10.6±0.2mm; lead pitch 3.8±0.1mm; lead thickness 0.75±0.1mm; molding plastic complies with UL94 V-0 flammability rating, UL file number E142814; withstand high-temperature soldering at 260℃ for 5 seconds under 2.3kg tension; mounting position is unrestricted.

2. Core Product Features

1. Built-in PCB stand-offs for convenient printed-circuit-board assembly.
2. UL recognized component, plastic housing achieves UL94 V-0 flammability grade.
3. High case dielectric strength for good insulation performance.
4. Capable of 260℃ /5s high-temperature soldering, compatible with standard wave soldering and reflow soldering processes.
5. Plated leads deliver stable solderability and meet military-standard solder specification.
6. Unlimited mounting orientation for high assembly flexibility.
7. Adopt passivated bridge rectifier chip structure, suitable for conventional 60Hz resistive and inductive loads.

3. Main Application Fields

It is a general-purpose bridge rectifier for AC-DC conversion. Typical applications include switching power supplies, small power modules, household appliance power boards, chargers and common AC-DC rectifier loops in consumer electronics and general-purpose industrial equipment. It shall not be deployed for life-sustaining equipment, medical devices, aerospace machinery and other high-safety-level apparatus. Current derating is required when working with capacitive loads.

4. Engineering Design Recommendations

1. Load-related derating: The rated current is defined for resistive and inductive loads. Operating current shall be reduced by 20% under capacitive-load conditions to prevent overheating damage.
2. Temperature derating: The 4.0A rating is defined at case temperature 100℃ with heat sink. Allowable output current must be derated as case temperature rises above 100℃. Continuous full-current operation under high temperature is prohibited.
3. Surge current control: Power-on inrush surge current shall not exceed 135A. Allowable surge peak declines as surge cycles increase. Adequate safety margin should be reserved for repeated-surge scenarios.
4. Reverse voltage and leakage current: Practical maximum working reverse voltage shall be lower than rated withstand voltage, with safety margin reserved for grid fluctuation and voltage spikes. Reverse leakage current rises sharply with temperature, so heat generated by leakage shall be evaluated for high-temperature applications.
5. Soldering process control: Soldering temperature shall not exceed 260℃, high-temperature duration limited within 5 seconds, and soldering tension shall be controlled to avoid lead damage.
6. Temperature limits: Both operating junction temperature and storage temperature must stay within -55℃ ~ +150℃.
7. Forbidden applications: This device has not been qualified for life-safety-critical equipment. Do not use it for medical, life-sustaining or aerospace devices. Usage in such scenarios is entirely at user’s own risk.

5. Product Summary

GBP410 is a 4A /1000V passivated bridge rectifier in GBP package. It carries UL component and flammability certification, is equipped with PCB stand-offs, supports high-temperature soldering, offers high case dielectric strength and flexible mounting. It is well suited for AC-DC rectification in consumer electronics and general-purpose industrial hardware. In practical design, distinguish load types and apply mandatory 20% current derating for capacitive loads. Implement thermal derating, surge protection and reverse voltage margin design, comply strictly with soldering temperature and timing requirements, and avoid life-critical high-reliability applications. Sufficient design margin ensures long-term stable device performance.

About Slkor：

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.

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