KBPC3506T Bridge Rectifier Single Phase 600V 35A Equivalent & Substitute Parts

Part Overview

The KBPC3506T is a single-phase bridge rectifier manufactured by GeneSiC Semiconductor, rated for 600V peak reverse voltage and 35A average rectified current. This component is classified as Active product status and is RoHS Compliant. Bridge rectifiers in this voltage and current class are used in industrial power conversion, motor control, and AC-to-DC conversion applications. Substitute parts are identified based on matching electrical specifications and mechanical compatibility within the single-phase bridge rectifier category.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	600 V
Current - Average Rectified (Io)	35 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 17.5 A
Current - Reverse Leakage @ Vr	5 µA @ 600 V
Operating Temperature Range	-55°C ~ 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

Substitute parts for the KBPC3506T are identified based on the following criteria:

Primary Matching Criteria:

Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 600 V
Mounting Type: QC Terminal
Package / Case: 4-Square configuration
Operating Temperature Range: -55°C ~ 150°C (TJ)

Current Rating Consideration: The KBPC3506T is rated for 35A average rectified current. Substitute parts are grouped by current rating capability. Parts with equal or higher current ratings (35A and above) provide direct substitution. Parts with lower current ratings (10A, 25A) are listed as alternatives for applications with reduced current requirements but identical voltage and thermal specifications.

Electrical Parameter Alignment: All substitute parts maintain 600V peak reverse voltage rating and QC Terminal mounting. Forward voltage characteristics remain consistent at 1.1V maximum across the substitution group. Reverse leakage current specifications vary slightly between manufacturers but remain within acceptable operational parameters for this component class.

Parameter Comparison

Part Number	Manufacturer	Current - Io (A)	Voltage - Peak Reverse (V)	Vf (Max) @ If	Reverse Leakage @ Vr	Package / Case	RoHS Status	Inventory (Pcs)
KBPC3506T	GeneSiC Semiconductor	35	600	1.1 V @ 17.5 A	5 µA @ 600 V	4-Square, KBPC-T	RoHS Compliant	1103
KBPC3506-G	Comchip Technology	35	600	1.1 V @ 17.5 A	10 µA @ 600 V	4-Square, KBPC	ROHS3 Compliant	1154
KBPC5006-G	Comchip Technology	50	600	1.1 V @ 25 A	10 µA @ 600 V	4-Square, KBPC	ROHS3 Compliant	1055
GBPC5006-G	Comchip Technology	50	600	1.1 V @ 25 A	10 µA @ 600 V	4-Square, GBPC	ROHS3 Compliant	6755
KBPC2506-G	Comchip Technology	25	600	1.1 V @ 12.5 A	10 µA @ 600 V	4-Square, KBPC	ROHS3 Compliant	1238
KBPC1006-G	Comchip Technology	10	600	1.1 V @ 5 A	10 µA @ 600 V	4-Square, KBPC	ROHS3 Compliant	1076

Engineering Selection Recommendations

Direct Equivalent (35A Rating): KBPC3506-G from Comchip Technology is the direct electrical equivalent to KBPC3506T. Both parts share identical current rating (35A), voltage specification (600V), and forward voltage characteristics (1.1V @ 17.5A). KBPC3506-G carries ROHS3 Compliant certification and is supplied in Tray packaging. This part is suitable for one-to-one replacement in existing designs.

Higher Current Capacity Alternatives (50A Rating): KBPC5006-G and GBPC5006-G both provide 50A average rectified current capability at 600V, exceeding the KBPC3506T specification. These parts are applicable in applications where current headroom is required or where design margins must be increased. KBPC5006-G maintains the KBPC package family designation, while GBPC5006-G uses the GBPC package designation. Both are ROHS3 Compliant.

Lower Current Capacity Alternatives (10A and 25A Ratings): KBPC1006-G (10A) and KBPC2506-G (25A) are suitable for applications with reduced current requirements. These parts maintain 600V voltage rating and identical thermal operating range. Selection of lower-rated parts is appropriate only when circuit current demands do not exceed the specified Io rating.

Compliance and Availability: All substitute parts listed are Active product status with ROHS3 compliance. Inventory availability ranges from 1055 to 6755 pieces across the substitute group, providing supply flexibility for production requirements.

Frequently Asked Questions (FAQ)

Q: Can KBPC3506-G directly replace KBPC3506T in existing applications?

A: Yes. KBPC3506-G provides identical electrical specifications for current rating (35A), voltage (600V), and forward voltage characteristics (1.1V @ 17.5A). Both parts use QC Terminal mounting and 4-Square package configuration. The primary difference is packaging format (Tray vs. Bulk) and manufacturer (Comchip Technology vs. GeneSiC Semiconductor).

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

A: KBPC and GBPC are distinct package family designations from different manufacturers. Both use 4-Square configuration and QC Terminal mounting. KBPC is the standard designation used by GeneSiC and Comchip for this product line. GBPC is an alternative designation also used by Comchip. Mechanical compatibility is maintained across both designations for QC Terminal mounting applications.

Q: Can I use KBPC5006-G (50A) instead of KBPC3506T (35A)?

A: Yes. KBPC5006-G has higher current capacity (50A vs. 35A) while maintaining identical 600V voltage rating and operating temperature range. Higher current rating provides additional design margin and is electrically compatible. This substitution is appropriate when increased current capability is beneficial or when design specifications allow for higher-rated components.

Q: Are there compatibility issues between Bulk and Tray packaging?

A: Packaging format (Bulk vs. Tray) affects handling, storage, and assembly processes but does not impact electrical or mechanical compatibility. Component performance and specifications remain identical. Packaging selection is determined by manufacturing and logistics requirements rather than functional compatibility.

Q: What does ROHS3 Compliant mean compared to RoHS Compliant?

A: Both designations indicate compliance with Restriction of Hazardous Substances regulations. ROHS3 represents the current regulatory standard. All substitute parts carry either RoHS Compliant or ROHS3 Compliant status, confirming compliance with hazardous substance restrictions for the respective regulatory periods.

Q: Can I use lower-rated parts like KBPC2506-G (25A) or KBPC1006-G (10A)?

A: Lower-rated parts are suitable only for applications where circuit current requirements do not exceed the specified Io rating. KBPC2506-G (25A) and KBPC1006-G (10A) maintain 600V voltage and thermal specifications but have reduced current capacity. Use of undersized current ratings may result in component overstress and failure if circuit demands exceed the part rating.

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

A: KBPC3506T specifies 5 µA @ 600V reverse leakage, while substitute parts specify 10 µA @ 600V. Both values are within acceptable operational parameters for standard bridge rectifier technology. The difference reflects manufacturing process variations between GeneSiC and Comchip but does not impact functional compatibility in typical applications.

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