KBL407G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBL407G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, designed for standard rectification applications requiring 1 kV peak reverse voltage and 4 A average rectified current. This component is classified as an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Bridge rectifiers of this specification are essential in AC-to-DC conversion circuits, power supply designs, and industrial control applications. Identifying equivalent parts becomes necessary when managing supply chain continuity, optimizing inventory, or addressing component availability constraints while maintaining identical electrical and mechanical performance.

Substiute Parts

KBL407G

Taiwan Semiconductor CorporationIn Stock: 1778KBL407G Datasheet

Current PartRFQ

KBL407G

Taiwan Semiconductor CorporationIn Stock: 1778KBL407G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KBL407G is determined by strict equivalence across all critical electrical and mechanical parameters. A valid substitute must satisfy the following criteria:

Electrical Parameters (Non-Negotiable):

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 1 kV
• Current - Average Rectified (Io): 4 A
• Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 4 A
• Current - Reverse Leakage @ Vr: 10 µA @ 1000 V
• Operating Temperature Range: -55°C to 150°C (TJ)

Mechanical Parameters (Non-Negotiable):

• Mounting Type: Through Hole
• Package / Case: 4-SIP, KBL

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Only components matching all specified parameters across electrical, mechanical, and compliance categories qualify as direct equivalents or substitutes for the KBL407G.

Parameter Comparison

Engineering Selection Recommendations

The KBL407G maintains active product status with full RoHS3 compliance and REACH unaffected classification, confirming its suitability for current design implementations and regulatory environments. The component carries MSL Level 1 (Unlimited) moisture sensitivity rating, indicating no moisture-related handling restrictions during storage, transport, or assembly operations.

When selecting equivalent parts for the KBL407G, prioritize components that maintain identical electrical specifications across all parameters: 1 kV peak reverse voltage, 4 A average rectified current, 1.1 V maximum forward voltage at 4 A, and 10 µA reverse leakage current at 1000 V. The through-hole mounting configuration and 4-SIP KBL package form factor are critical for mechanical compatibility with existing PCB layouts and assembly processes.

Compliance verification is essential: substitute components must carry ROHS3 certification and maintain the same MSL rating to ensure regulatory conformance and manufacturing process compatibility. The operating temperature range of -55°C to 150°C (TJ) establishes the thermal envelope for application suitability and must be matched exactly in substitute selection.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the KBL407G bridge rectifier?

A: A valid substitute must match all electrical parameters (1 kV peak reverse voltage, 4 A average rectified current, 1.1 V forward voltage at 4 A, 10 µA reverse leakage at 1000 V), maintain identical mounting type (through hole), use the same package configuration (4-SIP, KBL), and carry equivalent compliance certifications (ROHS3 Compliant, MSL Level 1).

Q: Can I use a bridge rectifier with higher voltage or current ratings as a substitute?

A: No. Substitution requires exact parameter matching. Components with higher voltage or current ratings are not interchangeable, as they represent different product specifications and may introduce design complications or unnecessary cost.

Q: Is the KBL407G suitable for applications requiring extended temperature operation?

A: The KBL407G operates within the range of -55°C to 150°C (TJ). Applications requiring operation outside this thermal envelope require alternative components with extended temperature specifications.

Q: What is the significance of the 4-SIP, KBL package designation?

A: The 4-SIP (Single In-line Package) KBL configuration specifies the physical form factor and pin arrangement. This package type is essential for through-hole PCB mounting and direct mechanical compatibility. Substitute components must use identical packaging to ensure proper board-level integration.

Q: Does the KBL407G require special handling during assembly?

A: No. The MSL Level 1 (Unlimited) rating indicates no moisture sensitivity restrictions. Standard handling procedures for through-hole components apply without additional moisture control measures.

Q: What compliance certifications should I verify when sourcing substitute parts?

A: Verify ROHS3 compliance and confirm REACH unaffected status. These certifications ensure regulatory conformance for industrial and commercial applications. The component carries EAR99 export classification and HTSUS code 8541.10.0080 for tariff purposes.

Q: Are there any known alternative part numbers for the KBL407G?

A: Based on provided data, the KBL407G is the primary designation. The base product number is KBL407. Substitution must be based on complete electrical and mechanical parameter equivalence rather than part number similarity.