KBPC5006T Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBPC5006T is a single-phase bridge rectifier manufactured by GeneSiC Semiconductor, rated for 600 V peak reverse voltage and 50 A average rectified current. This component operates across a temperature range of -55°C to 150°C and features QC terminal mounting with a 4-square KBPC-T package configuration. The part maintains active product status and RoHS compliance, making it suitable for industrial power conversion applications requiring standard bridge rectification.

Substitute parts are identified based on electrical parameter compatibility and mechanical interchangeability within the KBPC and GBPC product families. Alternative selections become necessary when managing inventory constraints, lead time requirements, or when sourcing from alternative manufacturers while maintaining equivalent electrical performance.

Key Parameters

Parameter	Value	Unit
Diode Type	Single Phase	—
Technology	Standard	—
Voltage - Peak Reverse (Max)	600	V
Current - Average Rectified (Io)	50	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 25	V @ A
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	QC Terminal	—
Package / Case	4-Square, KBPC-T	—
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the KBPC5006T is determined by the following critical parameters:

Voltage Rating: All substitute parts must maintain 600 V peak reverse voltage to ensure circuit protection and component reliability in the same application environment.

Current Rating: The 50 A average rectified current specification defines the primary substitution group. Parts with identical 50 A ratings (GBPC5006-G, KBPC5006-G) are direct electrical equivalents. Parts with lower current ratings (KBPC1006-G at 10 A, KBPC2506-G at 25 A, KBPC3506-G at 35 A) are classified as reduced-capacity alternatives suitable only for applications with lower current demands.

Forward Voltage: The maximum forward voltage of 1.1 V at rated current is consistent across all substitute candidates, ensuring equivalent thermal performance and power dissipation characteristics.

Mounting and Package: QC terminal mounting with 4-square package configuration is maintained across all substitutes, confirming mechanical interchangeability on existing PCB layouts.

Temperature Range: The -55°C to 150°C operating range is uniform across all candidates, supporting identical thermal design requirements.

Compliance Status: RoHS compliance is verified for all substitute parts, with Comchip Technology substitutes meeting ROHS3 standards.

Parameter Comparison

Parameter	KBPC5006T (GeneSiC)	GBPC5006-G (Comchip)	KBPC5006-G (Comchip)	KBPC3506-G (Comchip)	KBPC2506-G (Comchip)	KBPC1006-G (Comchip)
Voltage - Peak Reverse (Max)	600 V	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	50 A	50 A	50 A	35 A	25 A	10 A
Voltage - Forward (Vf) (Max)	1.1 V @ 25 A	1.1 V @ 25 A	1.1 V @ 25 A	1.1 V @ 17.5 A	1.1 V @ 12.5 A	1.1 V @ 5 A
Current - Reverse Leakage @ Vr	5 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V
Operating Temperature	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
Mounting Type	QC Terminal	QC Terminal	QC Terminal	QC Terminal	QC Terminal	QC Terminal
Package / Case	4-Square, KBPC-T	4-Square, GBPC	4-Square, KBPC	4-Square, KBPC	4-Square, KBPC	4-Square, KBPC
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (50 A Rating):

GBPC5006-G and KBPC5006-G are electrically and mechanically equivalent to KBPC5006T for applications requiring 50 A average rectified current at 600 V. Both parts maintain identical voltage ratings, forward voltage characteristics, and operating temperature ranges. The GBPC5006-G variant uses the GBPC package designation while KBPC5006-G retains the KBPC package family. Both Comchip Technology substitutes achieve ROHS3 compliance, exceeding the RoHS compliance level of the original GeneSiC part. Reverse leakage current is slightly elevated (10 µA versus 5 µA) but remains within acceptable limits for standard bridge rectifier applications.

Reduced-Capacity Alternatives (Below 50 A):

KBPC3506-G (35 A), KBPC2506-G (25 A), and KBPC1006-G (10 A) are suitable only for applications with maximum current requirements at or below their respective ratings. These parts share identical voltage ratings, forward voltage characteristics, and temperature ranges with the KBPC5006T. Selection of reduced-capacity parts is appropriate when circuit design permits lower current handling or when managing component inventory across multiple current-rated applications within the same voltage class.

Compliance Verification:

All substitute parts maintain active product status and RoHS compliance certification. Comchip Technology substitutes provide ROHS3 compliance with REACH unaffected status, supporting regulatory requirements in industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can GBPC5006-G replace KBPC5006T in existing designs?

A: GBPC5006-G is electrically equivalent to KBPC5006T with identical voltage (600 V), current (50 A), forward voltage (1.1 V @ 25 A), and operating temperature (-55°C to 150°C) specifications. Both use QC terminal mounting with 4-square package configuration. The primary difference is the package designation (GBPC versus KBPC-T). Mechanical interchangeability on PCB layouts is confirmed. Reverse leakage current is 10 µA versus 5 µA in the original part, which does not affect standard bridge rectifier performance.

Q: What is the difference between KBPC5006-G and KBPC5006T?

A: KBPC5006-G (Comchip Technology) and KBPC5006T (GeneSiC Semiconductor) are electrically identical with matching 600 V, 50 A, and 1.1 V forward voltage specifications. Both maintain -55°C to 150°C operating range and QC terminal mounting. The KBPC5006-G achieves ROHS3 compliance compared to RoHS compliance in the original part. Reverse leakage current differs slightly (10 µA versus 5 µA). Both parts are mechanically interchangeable.

Q: Can lower-rated parts (KBPC3506-G, KBPC2506-G, KBPC1006-G) be used instead of KBPC5006T?

A: Lower-rated parts are suitable only when circuit maximum current requirements do not exceed their individual ratings. KBPC3506-G supports up to 35 A, KBPC2506-G up to 25 A, and KBPC1006-G up to 10 A. All maintain 600 V voltage rating and identical forward voltage characteristics. Using a lower-rated part in a 50 A application will result in component failure or thermal damage.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts meet RoHS compliance requirements. Comchip Technology substitutes (GBPC5006-G, KBPC5006-G, KBPC3506-G, KBPC2506-G, KBPC1006-G) achieve ROHS3 compliance with REACH unaffected status, exceeding the RoHS compliance level of the original GeneSiC KBPC5006T.

Q: What is the significance of reverse leakage current differences?

A: The KBPC5006T specifies 5 µA reverse leakage at 600 V, while Comchip substitutes specify 10 µA. Both values are within acceptable limits for standard bridge rectifier applications. Reverse leakage current affects standby power consumption and heat generation during reverse bias conditions. The difference is negligible in typical industrial power conversion circuits.

Q: Are packaging differences between KBPC and GBPC significant?

A: GBPC5006-G and KBPC5006-G both use 4-square QC terminal packages with identical mechanical dimensions and PCB footprints. The package designation difference (GBPC versus KBPC) reflects manufacturer nomenclature but does not affect physical interchangeability or electrical performance.

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