KBPC35005T Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBPC35005T is a single-phase bridge rectifier manufactured by GeneSiC Semiconductor, rated for 50 V peak reverse voltage and 35 A average rectified current. This component is classified as Active product status and is RoHS Compliant. Bridge rectifiers of this specification are used in AC-to-DC conversion applications requiring moderate current capacity and standard voltage ratings. Substitute parts may be required due to inventory constraints, supply chain discontinuities, or application-specific performance requirements within the allowed electrical and mechanical parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - Peak Reverse (Max)	50	V
Current - Average Rectified (Io)	35	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 17.5	V @ A
Current - Reverse Leakage @ Vr	5	µA @ 50 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	QC Terminal	—
Package / Case	4-Square, KBPC-T	—
Diode Type	Single Phase	—
Technology	Standard	—

Substitute Part Grouping Explanation

Substitution of bridge rectifier diodes is determined by strict equivalence in the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Peak Reverse (Max): Must equal 50 V
Diode Type: Must be Single Phase
Technology: Must be Standard
Mounting Type: Must be QC Terminal
Package / Case: Must be 4-Square, KBPC form factor

Current Capacity Consideration: The KBPC35005T is rated for 35 A average rectified current. Substitute parts identified in this reference operate at different current ratings. The KBPC10005-G is rated for 10 A average rectified current. Substitution is valid only when the application circuit design accommodates the lower current capacity of the substitute part.

Forward Voltage and Leakage: Both the main part and identified substitutes operate within compatible forward voltage and reverse leakage specifications at their respective current ratings, maintaining functional equivalence within their rated operating ranges.

Parameter Comparison

Parameter	KBPC35005T (GeneSiC)	KBPC10005-G (Comchip)	Match Status
Voltage - Peak Reverse (Max)	50 V	50 V	Equivalent
Current - Average Rectified (Io)	35 A	10 A	Different
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 17.5 A	1.1 V @ 5 A	Compatible
Current - Reverse Leakage @ Vr	5 µA @ 50 V	10 µA @ 50 V	Compatible
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	Equivalent
Mounting Type	QC Terminal	QC Terminal	Equivalent
Package / Case	4-Square, KBPC-T	4-Square, KBPC	Equivalent
Diode Type	Single Phase	Single Phase	Equivalent
Technology	Standard	Standard	Equivalent
RoHS Status	RoHS Compliant	ROHS3 Compliant	Both Compliant

Engineering Selection Recommendations

KBPC10005-G (Comchip Technology):

The KBPC10005-G meets all critical electrical and mechanical matching criteria for substitution with the KBPC35005T. Both components share identical peak reverse voltage (50 V), operating temperature range (-55°C to 150°C), mounting type (QC Terminal), and package form factor (4-Square, KBPC). Both are classified as Active product status.

The primary distinction is current capacity: KBPC10005-G is rated for 10 A average rectified current versus 35 A for the KBPC35005T. This substitute is applicable only in circuit designs where the maximum required current does not exceed 10 A.

Both parts maintain RoHS compliance. KBPC10005-G carries ROHS3 Compliant status and is REACH Unaffected, providing additional regulatory assurance for applications subject to these standards.

Frequently Asked Questions (FAQ)

Q: Can KBPC10005-G replace KBPC35005T in all applications?

A: No. KBPC10005-G is rated for 10 A average rectified current, while KBPC35005T is rated for 35 A. Substitution is valid only when the application circuit design requires maximum current not exceeding 10 A. Exceeding this rating will result in component failure.

Q: Are the package dimensions identical between KBPC35005T and KBPC10005-G?

A: Both components use the 4-Square, KBPC form factor with QC Terminal mounting type. Package dimensions are mechanically compatible for PCB mounting and terminal connection purposes.

Q: What is the difference between KBPC-T and KBPC package designations?

A: Both designations refer to the same 4-Square form factor with QC Terminal mounting. The "-T" suffix in KBPC-T explicitly denotes the terminal type. Both are mechanically and electrically compatible for substitution purposes.

Q: Do both parts operate across the same temperature range?

A: Yes. Both KBPC35005T and KBPC10005-G operate across the identical temperature range of -55°C to 150°C (TJ), ensuring thermal compatibility in equivalent operating environments.

Q: What is the significance of the forward voltage specification difference?

A: Forward voltage is specified at different current levels: KBPC35005T at 1.1 V @ 17.5 A and KBPC10005-G at 1.1 V @ 5 A. Both maintain the same maximum forward voltage of 1.1 V within their respective rated current ranges, ensuring compatible voltage drop characteristics at their operating points.

Q: Are there compliance differences between the two parts?

A: Both parts are RoHS Compliant. KBPC10005-G additionally carries ROHS3 Compliant status and REACH Unaffected designation, providing enhanced regulatory documentation for applications requiring these certifications.

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