DB2J20600L Equivalent & Substitute Parts

Part Overview

The DB2J20600L is a Schottky diode manufactured by Panasonic Electronic Components, rated for 20 V DC reverse voltage and 1 A average rectified current in a surface mount SC-90/SOD-323F package. This component is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design requirements and procurement needs. The part demonstrates fast recovery characteristics with a reverse recovery time of 6 ns and operates at junction temperatures up to 150°C maximum.

Substiute Parts

DB2J20600L

Panasonic Electronic ComponentsIn Stock: 395413DB2J20600L Datasheet

Current PartRFQ

RB550VAM-30TR

Rohm SemiconductorIn Stock: 455302RB550VAM-30TR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DB2J20600L is determined by the following critical parameters:

Primary Substitution Criteria:

• Technology classification: Schottky diode
• Current rating: 1 A average rectified current minimum
• Voltage rating: Equal to or greater than 20 V DC reverse voltage
• Mounting type: Surface mount configuration
• Speed classification: Fast recovery ≤ 500ns for > 200mA
• Operating temperature range: 150°C maximum junction temperature
• Regulatory compliance: RoHS compliance status
• Moisture sensitivity: MSL 1 (Unlimited)

The RB550VAM-30TR qualifies as a substitute based on these parameters. It maintains Schottky technology, 1 A current rating, and fast recovery speed characteristics. The substitute part exceeds the voltage requirement at 30 V, which is acceptable for applications designed for 20 V operation. Both parts share identical junction temperature ratings and MSL classifications.

Parameter Comparison

Engineering Selection Recommendations

The RB550VAM-30TR from Rohm Semiconductor is a qualified substitute for the discontinued DB2J20600L. Selection between these parts is based on the following engineering factors:

Product Status Consideration: The DB2J20600L is discontinued at DiGi Electronics, while the RB550VAM-30TR maintains active product status with 455,200 pieces in stock. This availability differential supports transition to the substitute part for new procurement.

Regulatory Compliance: Both parts maintain RoHS compliance. The RB550VAM-30TR meets ROHS3 standard, representing current regulatory alignment. Both parts are REACH unaffected and carry identical EAR99 ECCN classification.

Electrical Performance: The substitute part operates at a higher reverse voltage rating (30 V versus 20 V), which provides design margin for 20 V applications. The forward voltage drop increases from 450 mV to 520 mV at 1 A, representing a 70 mV differential that must be evaluated within circuit thermal and efficiency requirements.

Package Compatibility: The DB2J20600L uses SC-90/SOD-323F packaging, while the RB550VAM-30TR uses 2-SMD flat lead packaging. Physical footprint verification is required prior to substitution.

Moisture and Temperature: Both parts share identical MSL 1 (Unlimited) classification and 150°C maximum junction temperature ratings, ensuring equivalent handling and thermal performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the RB550VAM-30TR directly replace the DB2J20600L in existing designs?

A: Electrical substitution is valid based on Schottky technology, 1 A current rating, and fast recovery characteristics. Physical package compatibility must be verified, as the parts use different surface mount packages (SC-90/SOD-323F versus 2-SMD flat lead). Circuit thermal analysis is required to assess the 70 mV forward voltage increase.

Q: Why is the substitute part rated for 30 V when the original is 20 V?

A: Higher voltage ratings provide design margin and do not create incompatibility for 20 V applications. The substitute part operates safely at voltages below its maximum rating. This characteristic is standard in component substitution where higher-rated parts serve lower-voltage requirements.

Q: What is the impact of the increased forward voltage drop?

A: The RB550VAM-30TR exhibits 520 mV forward voltage at 1 A compared to 450 mV for the DB2J20600L. This 70 mV increase affects circuit efficiency and thermal dissipation. Power loss increases proportionally with forward voltage. Circuit-level analysis determines whether this differential is acceptable for the application.

Q: Are there package considerations for this substitution?

A: Yes. The DB2J20600L uses SC-90/SOD-323F packaging, while the RB550VAM-30TR uses 2-SMD flat lead packaging. Physical footprint, land pattern, and PCB layout compatibility must be verified before implementation. These are different package geometries requiring design review.

Q: Do both parts meet current regulatory requirements?

A: Both parts are RoHS compliant. The RB550VAM-30TR meets ROHS3, the current standard. Both carry identical MSL 1 (Unlimited) classification and EAR99 ECCN designation, ensuring equivalent regulatory standing for procurement and use.

Q: What is the reverse leakage current difference between these parts?

A: The DB2J20600L specifies 100 µA at 20 V, while the RB550VAM-30TR specifies 30 µA at 10 V. These measurements occur at different voltage references, making direct comparison imprecise. The substitute part demonstrates lower leakage at its reference voltage, which may provide circuit performance benefits in low-current applications.

Q: Is the 6 ns reverse recovery time of the DB2J20600L matched by the substitute?

A: The RB550VAM-30TR is specified as fast recovery ≤ 500ns for > 200mA, matching the speed classification of the original part. Specific reverse recovery time data for the substitute is not provided in the available parameters. Both parts meet fast recovery requirements for high-frequency switching applications.