KBP201 Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The KBP201 is a single-phase bridge rectifier manufactured by GeneSiC Semiconductor, designed for standard rectification applications requiring 50 V peak reverse voltage and 2 A average rectified current. This component is classified as Active product status with full RoHS compliance. Bridge rectifiers of this specification are essential in power supply circuits, battery charging systems, and AC-to-DC conversion applications where reliable, cost-effective rectification is required. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization when the primary part becomes unavailable or when alternative packaging formats are preferred.

Substiute Parts

KBP201
GeneSiC SemiconductorIn Stock: 904KBP201 Datasheet
KBP201
Current Part
KBP2005G
SMC Diode SolutionsIn Stock: 3481KBP2005G Datasheet
KBP2005G
Similar

Key Parameters

Parameter Value Unit
Diode Type Single Phase
Technology Standard
Voltage - Peak Reverse (Max) 50 V
Current - Average Rectified (Io) 2 A
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 2 A
Operating Temperature Range -50 to 150 °C (TJ)
Mounting Type Through Hole
Package / Case 4-SIP, KBP
RoHS Status RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the KBP201 is determined by strict electrical and mechanical parameter matching within the bridge rectifier category. The following criteria establish valid substitution:

Electrical Parameters (Must Match):

  • Voltage - Peak Reverse (Max): 50 V
  • Current - Average Rectified (Io): 2 A
  • Diode Type: Single Phase
  • Technology: Standard

Mechanical Parameters (Must Match):

  • Mounting Type: Through Hole
  • Package / Case: KBP form factor (4-SIP or 4-ESIP variants acceptable)

Acceptable Variations (Non-Critical):

  • Voltage - Forward (Vf) at rated current: Equal or lower values acceptable
  • Current - Reverse Leakage @ Vr: Lower values acceptable
  • Operating Temperature Range: Equal or wider range acceptable
  • Packaging format: Bulk or Tube acceptable for through-hole KBP packages
  • Manufacturer: Different manufacturers acceptable if electrical and mechanical specifications match

The KBP2005G from SMC Diode Solutions meets all substitution criteria and qualifies as a direct electrical and mechanical equivalent.

Parameter Comparison

Parameter KBP201 (GeneSiC) KBP2005G (SMC Diode Solutions) Match Status
Diode Type Single Phase Single Phase ✓ Match
Technology Standard Standard ✓ Match
Voltage - Peak Reverse (Max) 50 V 50 V ✓ Match
Current - Average Rectified (Io) 2 A 2 A ✓ Match
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 2 A 1.1 V @ 2 A ✓ Match
Current - Reverse Leakage @ Vr 10 µA @ 50 V 5 µA @ 50 V ✓ Acceptable (Lower)
Operating Temperature Range -50°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) ✓ Acceptable (Wider)
Mounting Type Through Hole Through Hole ✓ Match
Package / Case 4-SIP, KBP 4-ESIP, KBP ✓ Match (KBP Form Factor)
RoHS Status RoHS Compliant ROHS3 Compliant ✓ Match (Enhanced)
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓ Match
Product Status Active Active ✓ Match

Engineering Selection Recommendations

KBP201 (GeneSiC Semiconductor) remains the primary specification when:

  • Original design validation and qualification have been completed with this specific manufacturer part
  • Existing inventory and supply chain relationships favor GeneSiC components
  • Bulk packaging format is preferred for manufacturing processes

KBP2005G (SMC Diode Solutions) is selected as substitute when:

  • KBP201 availability is constrained or discontinued
  • Enhanced RoHS3 compliance is required for updated regulatory requirements
  • Tube packaging format aligns with automated assembly processes
  • Lower reverse leakage current (5 µA vs. 10 µA) provides improved performance margin
  • Extended lower operating temperature limit (-55°C vs. -50°C) is required for cold-environment applications
  • SMC Diode Solutions supply chain offers better lead times or pricing

Both parts maintain Active product status and full regulatory compliance. The KBP2005G demonstrates superior or equivalent performance across all critical electrical parameters and offers REACH compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can KBP2005G replace KBP201 in existing designs without PCB modification?

A: Yes. Both parts use the KBP through-hole form factor with identical electrical specifications (50 V, 2 A, 1.1 V forward drop). The 4-SIP and 4-ESIP package variants are mechanically compatible with standard KBP footprints. No PCB redesign is required.

Q: What is the difference between 4-SIP and 4-ESIP packaging?

A: Both are KBP form factor bridge rectifiers with four leads for single-phase rectification. The primary difference is the supplier packaging format: 4-SIP indicates a standard inline package, while 4-ESIP indicates an enhanced inline package variant. Electrical performance and PCB footprint compatibility remain identical.

Q: Is the lower reverse leakage current of KBP2005G (5 µA) significant?

A: Lower reverse leakage current indicates reduced parasitic current flow in the reverse-biased state. For most standard rectification applications, both 5 µA and 10 µA values are negligible. The KBP2005G specification provides additional performance margin for sensitive analog circuits or high-impedance applications.

Q: Does the extended temperature range of KBP2005G (-55°C to 150°C) affect compatibility?

A: No. The extended lower temperature limit of KBP2005G is a superset of the KBP201 range (-50°C to 150°C). This means KBP2005G operates across all conditions specified for KBP201 and extends capability to lower temperatures. Full compatibility is maintained.

Q: Are both parts RoHS compliant?

A: Yes. KBP201 is RoHS Compliant. KBP2005G is ROHS3 Compliant, which represents an updated and more stringent RoHS standard. Both parts meet environmental and regulatory requirements. ROHS3 compliance of KBP2005G provides enhanced regulatory alignment for current manufacturing standards.

Q: What packaging quantities are available?

A: KBP201 is supplied in Bulk packaging (846 Pcs in stock). KBP2005G is supplied in Tube packaging (3424 Pcs in stock). Tube packaging is typically preferred for automated pick-and-place assembly, while Bulk packaging is suitable for manual assembly or reel-based processes.

Q: Can these parts be used interchangeably in production?

A: Yes, provided that design documentation is updated to reflect the substitute part number and any packaging format changes are accommodated in assembly processes. Both parts meet identical electrical specifications and are mechanically compatible with KBP footprints.

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