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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 1KV 35A KBJ
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：1 kV
- Current - Average Rectified (Io)：35 A
- Voltage - Forward (Vf) (Max) @ If：1.05 V @ 17.5 A
- Current - Reverse Leakage @ Vr：10 µA @ 1000 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, KBJ
- Supplier Device Package：KBJ
- Grade：-
- Qualification：-
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Overview
The KBJ3510 is a single-phase standard recovery bridge rectifier manufactured by Diodes Incorporated. It features a maximum repetitive peak reverse voltage of 1000 V and an average rectified output current of 35 A at +25°C ambient temperature. The device utilizes glass passivated die construction within a KBJ molded plastic package, rated UL 94V-0. Electrical characteristics include a maximum forward voltage of 1.05 V at 17.5 A and a maximum leakage current of 10 µA at the rated voltage. Thermal resistance values are specified as 5 °C/W junction-to-case and 28 °C/W junction-to-ambient without a heatsink.
Feature Summary
- Glass passivated die construction for reliable operation
- Lead-free finish compliant with RoHS directives
- Halogen and antimony free green device classification
Applications
- TV power supplies
- Game console power circuits
- PC power units
Procurement Notes
Verify component authenticity through authorized distribution channels to ensure compliance with manufacturer specifications. Confirm that the received parts match the ordering code KBJ3510 and exhibit correct marking codes. Validate RoHS3 and REACH status against current regulatory requirements before integration into final assemblies.
Selection Notes
Select this component when a 1000 V peak reverse voltage rating is required for AC to DC conversion. Ensure thermal management strategies account for the 28 °C/W junction-to-ambient thermal resistance if operating without a heatsink. Verify that the 35 A average current rating aligns with the specific load requirements of the target application circuit.
Part Context
This part belongs to the KBJ35 series of bridge rectifiers from Diodes Incorporated. The series includes variants with different voltage ratings, specifically the KBJ3506 (600 V) and KBJ3508 (800 V). All members share identical physical dimensions, pin configurations, and current handling capabilities, differing only in their maximum repetitive peak reverse voltage specifications.
Replacement Considerations
Direct substitutes within the same family include the KBJ3506 and KBJ3508, provided the system voltage does not exceed their respective 600 V and 800 V ratings. Cross-manufacturer replacements must be verified for matching KBJ package dimensions, terminal finishes, and electrical parameters.
FAQ
What is the typical junction capacitance of the KBJ3510?
The typical junction capacitance is 165 pF, measured at 1.0 MHz with an applied reverse voltage of 4.0 V DC.
How does the average forward current change with case temperature?
The device supports 35 A at +25°C ambient or +95°C case temperature with a heatsink. Without a heatsink, the current derates to 3.5 A at a case temperature of +125°C.
Is the KBJ3510 suitable for automotive applications?
Standard production is not qualified for automotive use. Automotive applications requiring AEC-Q100/101/104/200 qualification and IATF 16949 manufacturing must contact Diodes Incorporated directly.
