KBL604G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBL604G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, designed for AC-to-DC conversion applications. This component features a 400 V peak reverse voltage rating with 6 A average rectified current capacity, housed in a through-hole 4-SIP KBL package. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial power supply applications. Identification of equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain performance specifications across component procurement cycles.

Substiute Parts

KBL604G

Taiwan Semiconductor CorporationIn Stock: 1931KBL604G Datasheet

Current PartRFQ

KBL604G

Taiwan Semiconductor CorporationIn Stock: 1931KBL604G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KBL604G bridge rectifier is determined by strict equivalence across the following critical parameters:

Mandatory Matching Criteria:

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 400 V
• Current - Average Rectified (Io): 6 A
• Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 6 A
• Current - Reverse Leakage @ Vr: 10 µA @ 400 V
• Operating Temperature Range: -55°C to 150°C (TJ)
• Mounting Type: Through Hole
• Package / Case: 4-SIP, KBL

Compliance Requirements:

• RoHS3 Compliance
• Moisture Sensitivity Level: 1 (Unlimited)

Parts meeting all electrical specifications, thermal operating range, mechanical package configuration, and regulatory compliance standards are classified as direct equivalents. No parameter deviation is permitted for substitution within this product category.

Parameter Comparison

Engineering Selection Recommendations

The KBL604G maintains Active product status with full regulatory compliance under RoHS3 and REACH Unaffected classifications. The component is manufactured by Taiwan Semiconductor Corporation and carries unlimited moisture sensitivity rating (MSL 1), indicating robust handling characteristics suitable for standard manufacturing environments.

Selection of equivalent parts for the KBL604G application should prioritize components with identical electrical specifications, matching thermal operating range (-55°C to 150°C junction temperature), and compatible through-hole 4-SIP KBL package configuration. Compliance with RoHS3 standards is mandatory for applications subject to environmental regulations.

The 400 V peak reverse voltage and 6 A average rectified current ratings establish the performance envelope for substitution. Forward voltage characteristics at rated current (1.1 V @ 6 A) and reverse leakage specifications (10 µA @ 400 V) must remain constant to ensure circuit performance and thermal management consistency.

Frequently Asked Questions (FAQ)

Q: What defines a direct equivalent for the KBL604G bridge rectifier?

A: A direct equivalent must match all electrical parameters including 400 V peak reverse voltage, 6 A average rectified current, 1.1 V forward voltage at 6 A, and 10 µA reverse leakage at 400 V. The component must operate across the -55°C to 150°C temperature range, use through-hole mounting in a 4-SIP KBL package, and maintain RoHS3 compliance with MSL 1 rating.

Q: Can the KBL604G be substituted with a different voltage rating?

A: No. The 400 V peak reverse voltage rating is a critical specification. Substitution with components rated at different voltage levels will alter circuit performance and reliability characteristics.

Q: Is the 4-SIP KBL package configuration interchangeable with other bridge rectifier packages?

A: No. The through-hole 4-SIP KBL package is specific to this product line. Mechanical and electrical compatibility requires identical package configuration for direct substitution.

Q: What is the significance of the MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. This simplifies procurement and inventory management compared to higher MSL ratings.

Q: Does RoHS3 compliance affect substitution eligibility?

A: Yes. RoHS3 compliance is mandatory for equivalent parts in regulated applications. All substitute components must maintain identical RoHS3 certification status.

Q: Are there current or voltage derating considerations for the KBL604G?

A: Substitution criteria are based on the provided specifications. The 6 A average rectified current and 400 V peak reverse voltage represent the rated performance envelope for this component category.