KBU6005-G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBU6005-G is a single-phase bridge rectifier diode manufactured by Comchip Technology, designed for through-hole mounting applications. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing procurement and system maintenance. The KBU6005-G operates at a peak reverse voltage of 50 V with an average rectified current rating of 6 A, suitable for standard rectification applications across industrial and consumer electronics.

Substiute Parts

KBU6005-G

Comchip TechnologyIn Stock: 852KBU6005-G Datasheet

Current PartRFQ

KBU6A

Fairchild SemiconductorIn Stock: 1428KBU6A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the KBU6005-G are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 50 V
• Current - Average Rectified (Io): 6 A
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Mounting Type: Through Hole
• Package / Case: 4-SIP, KBU
• Supplier Device Package: KBU

The KBU6A manufactured by Fairchild Semiconductor meets all critical electrical and mechanical parameters required for direct substitution with the KBU6005-G. Both components share identical voltage ratings, current ratings, temperature operating ranges, and physical packaging specifications.

Parameter Comparison

Engineering Selection Recommendations

The KBU6A from Fairchild Semiconductor is a direct electrical and mechanical equivalent to the KBU6005-G. Both components are classified as obsolete products, indicating end-of-life status from their respective manufacturers.

The KBU6A offers the advantage of RoHS3 compliance certification, which may be required for applications subject to environmental and regulatory standards. The KBU6005-G does not specify RoHS compliance status in available documentation.

Selection between these two parts should be based on:

1. Regulatory Requirements: If RoHS3 compliance is mandated for the application, the KBU6A is the appropriate choice.
2. Inventory Availability: The KBU6A currently has higher inventory availability (1410 Pcs) compared to the KBU6005-G (763 Pcs).
3. Supply Chain Continuity: Both parts are obsolete; long-term availability from either manufacturer cannot be assured.

Frequently Asked Questions (FAQ)

Q: Can the KBU6A directly replace the KBU6005-G in existing designs?

A: Yes. The KBU6A is a direct substitute for the KBU6005-G. Both components share identical electrical ratings (50 V peak reverse voltage, 6 A average rectified current), identical operating temperature ranges (-55°C ~ 150°C), and identical physical packaging (4-SIP, KBU through-hole configuration). No circuit modifications are required.

Q: What is the difference in forward voltage specifications between these parts?

A: The KBU6005-G specifies a maximum forward voltage of 1 V at 3 A, while the KBU6A specifies 1 V at 6 A. Both meet the 1 V maximum specification; the difference reflects the test current conditions used by each manufacturer. This does not affect substitution compatibility.

Q: Are both parts RoHS compliant?

A: The KBU6A is certified RoHS3 compliant. The KBU6005-G does not specify RoHS compliance status in available documentation. If RoHS compliance is a requirement for your application, the KBU6A is the appropriate selection.

Q: Why are both parts listed as obsolete?

A: Both the KBU6005-G and KBU6A are end-of-life products from their respective manufacturers. Obsolete status indicates that new production has ceased, though existing inventory may remain available through authorized distributors. For applications requiring long-term component availability, alternative non-obsolete bridge rectifier solutions should be evaluated.

Q: Are there any mounting or PCB layout differences between these parts?

A: No. Both components use identical 4-SIP, KBU through-hole packaging with the same physical dimensions and pin configuration. PCB layouts designed for the KBU6005-G require no modification to accommodate the KBU6A.

Q: What is the current availability status of these parts?

A: The KBU6A has 1410 pieces in stock, while the KBU6005-G has 763 pieces in stock. Availability is subject to change and should be confirmed with your component supplier.