CDBU0130-HF Equivalent & Substitute Parts

Part Overview

The CDBU0130-HF is a Schottky rectifier diode manufactured by Comchip Technology, designed for surface mount applications in the 0603C/SOD-523F package. This component operates at a maximum reverse voltage of 30 V with an average rectified current of 100 mA, making it suitable for low-voltage power conversion and signal protection circuits. The part is currently in active production status with 2740 units available in inventory. Alternative part numbers may be required due to supply chain constraints, design revisions, or inventory availability across different distribution channels.

Substiute Parts

CDBU0130-HF

Comchip TechnologyIn Stock: 2769CDBU0130-HF Datasheet

Current PartRFQ

CDBU0130

Comchip TechnologyIn Stock: 17214CDBU0130 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDBU0130-HF is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Voltage - DC Reverse (Vr) (Max): 30 V
• Current - Average Rectified (Io): 100 mA
• Voltage - Forward (Vf) (Max) @ If: 440 mV @ 100 mA
• Current - Reverse Leakage @ Vr: 30 µA @ 30 V
• Capacitance @ Vr, F: 9 pF @ 10V, 1MHz

Physical & Mechanical Specifications:

• Package / Case: 2-SMD, No Lead
• Supplier Device Package: 0603C/SOD-523F
• Mounting Type: Surface Mount

Compliance & Environmental:

• Technology: Schottky
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature - Junction (Max): 125°C

Only parts matching all specified parameters across these categories qualify as direct substitutes. The base product number CDBU0130 represents the parametric equivalent designation.

Parameter Comparison

Engineering Selection Recommendations

The CDBU0130 serves as the parametric equivalent to CDBU0130-HF, with both parts meeting identical electrical, mechanical, and compliance specifications. Both components are manufactured by Comchip Technology and maintain active production status. Selection between these variants should be based on the following engineering considerations:

Compliance Verification: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement.

Supply Chain Considerations: The CDBU0130 variant maintains higher inventory availability (17200 units) compared to CDBU0130-HF (2740 units), which may influence procurement decisions for high-volume production schedules.

Moisture Sensitivity: Both parts carry MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage and handling.

Thermal Performance: Both variants support identical maximum junction temperature of 125°C, ensuring equivalent thermal performance in circuit applications.

Package Compatibility: The 0603C/SOD-523F surface mount package is identical across both part numbers, ensuring direct PCB layout compatibility without design modifications.

Frequently Asked Questions (FAQ)

Q: Can CDBU0130 be used as a direct replacement for CDBU0130-HF?

A: Yes. Both parts are parametrically equivalent across all electrical specifications (30 V reverse voltage, 100 mA average rectified current, 440 mV forward voltage drop), mechanical packaging (0603C/SOD-523F), and compliance certifications (ROHS3). They are interchangeable in circuit applications.

Q: What is the difference between CDBU0130-HF and CDBU0130?

A: The parts are electrically and mechanically identical. The "-HF" suffix designation indicates a specific packaging or distribution variant. Both maintain the same core specifications and performance characteristics.

Q: Are there any PCB layout considerations when substituting between these part numbers?

A: No. Both parts use the identical 2-SMD, No Lead package in 0603C/SOD-523F form factor. PCB footprints, solder pad dimensions, and placement requirements are identical.

Q: What compliance certifications apply to both parts?

A: Both CDBU0130-HF and CDBU0130 are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is rated at 1 (Unlimited) for both variants.

Q: Which part should be selected for new designs?

A: Selection should be based on supply chain availability and procurement lead times. Both parts are active products with identical specifications. The CDBU0130 variant offers higher inventory availability.

Q: Are there any thermal or performance differences between the variants?

A: No. Both parts support identical maximum junction temperature of 125°C and carry identical electrical performance specifications including forward voltage drop, reverse leakage current, and capacitance characteristics.