CDBB560-G Schottky Diode Equivalent & Substitute Parts

Part Overview

The CDBB560-G is a Schottky rectifier diode rated for 60V DC reverse voltage and 5A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as "Not For New Designs" by the manufacturer, indicating it has reached end-of-life status. For applications requiring continued supply or new design implementations, equivalent substitute parts with active product status are available from the same manufacturer series.

Substiute Parts

CDBB560-G

Comchip TechnologyIn Stock: 793CDBB560-G Datasheet

Current PartRFQ

CDBB560-HF

Comchip TechnologyIn Stock: 896CDBB560-HF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDBB560-G is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 60 V
• Current - Average Rectified (Io): 5 A
• Voltage - Forward (Vf) (Max) @ If: 700 mV @ 5 A
• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Technology: Schottky
• Operating Temperature - Junction: -55°C to 125°C

The CDBB560-HF meets all mandatory parameters and is classified as an active product, making it a direct functional equivalent suitable for replacement in existing designs or new applications.

Parameter Comparison

Engineering Selection Recommendations

CDBB560-HF is the recommended substitute for CDBB560-G based on the following criteria:

1. Product Status: CDBB560-HF carries Active product status, ensuring continued manufacturer support, availability, and compliance with current industry standards. CDBB560-G is designated "Not For New Designs," indicating obsolescence.

2. Electrical Equivalence: All electrical parameters are identical, including reverse voltage rating (60V), forward current capacity (5A), forward voltage drop (700mV @ 5A), and reverse leakage current (500µA @ 60V).

3. Regulatory Compliance: Both parts maintain ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity levels, ensuring no additional qualification requirements for substitution.

4. Package and Mounting Compatibility: Identical DO-214AA (SMB) surface mount package ensures direct PCB footprint compatibility without layout modifications.

5. Thermal Performance: Operating temperature range (-55°C to 125°C) is identical, confirming thermal performance equivalence across all application environments.

Frequently Asked Questions (FAQ)

Q: Can CDBB560-HF be used as a direct replacement for CDBB560-G in existing designs?

A: Yes. CDBB560-HF is electrically and mechanically equivalent to CDBB560-G. All critical parameters including voltage rating, current capacity, forward voltage, package type, and operating temperature range are identical. No circuit modifications or PCB redesign are required.

Q: What is the difference between CDBB560-G and CDBB560-HF?

A: The primary difference is product status. CDBB560-G is classified as "Not For New Designs," while CDBB560-HF is Active. Both parts share identical electrical specifications and package configurations. The suffix designation (-G vs -HF) indicates different manufacturing or distribution variants from Comchip Technology.

Q: Are there any compliance or certification differences between these parts?

A: No. Both CDBB560-G and CDBB560-HF maintain identical RoHS3 compliance, REACH unaffected status, and moisture sensitivity level (MSL 1 - Unlimited). No additional qualification or testing is required when substituting between these parts.

Q: Can these diodes be used in high-temperature applications?

A: Yes. Both parts are rated for junction temperatures up to 125°C, supporting operation in elevated temperature environments within the specified -55°C to 125°C range.

Q: Is the DO-214AA (SMB) package suitable for automated assembly?

A: Yes. The DO-214AA (SMB) is a standard surface mount package designed for automated pick-and-place and reflow soldering processes. Both CDBB560-G and CDBB560-HF use this package format.

Q: What is the reverse leakage current specification?

A: Both parts specify 500 µA maximum reverse leakage current at the rated 60V reverse voltage. This parameter is critical for applications requiring low standby current or high impedance blocking.

Q: Are these Schottky diodes suitable for fast switching applications?

A: Yes. Both parts are rated for fast recovery with switching speed ≤ 500ns at currents > 200mA (Io), making them suitable for high-frequency rectification and switching applications.