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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 400V 4A KBL
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tray
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：400 V
- Current - Average Rectified (Io)：4:00 AM
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 4 A
- Current - Reverse Leakage @ Vr：10 µA @ 400 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, KBL
- Supplier Device Package：KBL
- Grade：-
- Qualification：-
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Overview
The KBL404G T0G is a single-phase bridge rectifier from Taiwan Semiconductor, utilizing glass passivated junction technology. It features a maximum average forward rectified current of 4A and a peak forward surge current of 150A. The device supports a maximum repetitive peak reverse voltage of 400V with a maximum DC blocking voltage of 400V. Electrical characteristics include a typical instantaneous forward voltage of 1.1V at 4A and a maximum DC reverse current of 500µA at 125°C. Operating parameters cover a junction temperature range of -55°C to +150°C, with thermal resistances of 2.4°C/W (junction-to-lead) and 19°C/W (junction-to-ambient).
Feature Summary
- Glass passivated junction construction for reliable performance.
- Halogen-free molding compound compliant with IEC 61249-2-21 standards.
- Matte tin plated leads ensuring solderability per JESD22-B102.
- UL Recognized File # E-326243 with flammability classification rating 94V-0.
Applications
- Printed circuit board assembly in power supply circuits.
- General purpose AC to DC conversion applications.
- Industrial equipment requiring robust bridge rectification.
Procurement Notes
Verify the specific ordering suffix 'T0G' against the manufacturer's official documentation to confirm packing code and halogen-free status. Ensure the component meets RoHS Directive 2011/65/EU requirements if applicable to your manufacturing process. Cross-reference the UL Recognized File number for safety compliance needs.
Selection Notes
Select this component when a 4A continuous current rating and 400V reverse voltage are required for PCB-mounted applications. Consider the 150A surge capability for circuits experiencing transient loads. Verify that the KBL package dimensions fit the available board space and that the operating temperature range aligns with the system environment.
Part Context
This part belongs to the KBL40xG series of glass passivated bridge rectifiers manufactured by Taiwan Semiconductor. The series offers various voltage ratings from 50V to 1000V while maintaining consistent current handling capabilities. The 'G' suffix indicates the use of green compound, signifying halogen-free material composition.
Replacement Considerations
Direct replacements must match the 4A current rating, 400V reverse voltage, and KBL package type. Verify that alternative components offer comparable surge current ratings and thermal resistance values to ensure equivalent performance in the existing circuit design.
FAQ
What does the 'G' suffix indicate in the part number?
The 'G' suffix denotes that the molding compound is halogen-free, complying with the IEC 61249-2-21 definition.
Is the KBL404G suitable for high-temperature environments?
Yes, the device operates within a junction temperature range of -55°C to +150°C.
What is the maximum non-repetitive forward surge current?
The peak forward surge current is rated at 150A for an 8.3ms single half sine-wave superimposed on rated load.
