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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 100V 8.4A GBU
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：100 V
- Current - Average Rectified (Io)：8.4 A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 12 A
- Current - Reverse Leakage @ Vr：5 µA @ 100 V
- Operating Temperature：-50°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, GBU
- Supplier Device Package：GBU
- Grade：-
- Qualification：-
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Overview
The Diotec Semiconductor GBU12B is a single-phase silicon bridge rectifier designed for through-hole mounting in the GBU-4 package. It supports a maximum average forward current of 12 A and a peak repetitive reverse voltage of 100 V. The device exhibits a typical forward voltage drop of 1 V at rated current and handles a peak forward surge current of up to 300 A under 60 Hz conditions. Operating reliably within a junction temperature range of -50°C to +150°C, it features a thermal resistance from junction to case of 2.7 K/W and junction to ambient of 18 K/W.
Feature Summary
- Single-phase bridge configuration with four internal silicon diodes
- Through-hole solder pin termination for standard PCB mounting
- High surge current capability for transient overload protection
Applications
- AC to DC power supply conversion circuits
- General-purpose rectification in industrial equipment
- Low-voltage AC input processing systems
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer marking with official datasheet specifications. Confirm RoHS compliance status and check for specific automotive qualification requirements if the application demands higher reliability standards beyond commercial grade. Ensure ordering suffixes match exact voltage ratings.
Selection Notes
Select this component when a 100 V reverse voltage rating is required alongside a 12 A continuous current capacity. Evaluate thermal management needs based on the specified junction-to-case thermal resistance. Consider the recommended protective resistance value of 0.4 ohms if connecting to large capacitive loads to limit surge currents effectively.
Part Context
This part belongs to the GBU12A through GBU12M series, which shares identical physical dimensions and current ratings but varies in peak reverse voltage. The GBU12B specifically denotes the 100 V variant within this standardized plastic encapsulated bridge rectifier family produced by Diotec Semiconductor.
Replacement Considerations
Compatible substitutes include other GBU12B equivalents from different manufacturers offering identical 12 A / 100 V specifications in the GBU-4 package. Verify pinout compatibility and thermal characteristics before substitution.
