DB2J31000L Equivalent & Substitute Parts

Part Overview

The DB2J31000L is a Schottky diode manufactured by Panasonic Electronic Components, rated for 30 V DC reverse voltage and 200 mA average rectified current in a surface mount SMini2-F5-B package. This component is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing design requirements and production needs. Equivalent alternatives maintain the same electrical specifications and package compatibility, while substitute parts offer functional equivalence within acceptable parameter tolerances for Schottky rectifier diode applications.

Substiute Parts

DB2J31000L

Panasonic Electronic ComponentsIn Stock: 8702DB2J31000L Datasheet

Current PartRFQ

PMEG2005EJ,115

Nexperia USA Inc.In Stock: 58047PMEG2005EJ,115 Datasheet

SimilarRFQ

RB540VM-30TE-17

Rohm SemiconductorIn Stock: 5442RB540VM-30TE-17 Datasheet

SimilarRFQ

RB521VM-30FHTE-17

Rohm SemiconductorIn Stock: 14714RB521VM-30FHTE-17 Datasheet

Parametric EquivalentRFQ

RB521VM-30TE-17

Rohm SemiconductorIn Stock: 16556RB521VM-30TE-17 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DB2J31000L is determined by the following critical parameters:

Electrical Specifications:

• Voltage - DC Reverse (Vr) (Max): 30 V minimum required
• Current - Average Rectified (Io): 200 mA minimum required
• Voltage - Forward (Vf) (Max) @ If: 470 mV @ 200 mA baseline
• Technology: Schottky diode classification

Mechanical Specifications:

• Mounting Type: Surface Mount
• Package / Case: SC-90, SOD-323F compatible
• Supplier Device Package: SMini2-F5-B or equivalent footprint

Environmental & Compliance:

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

Substitute parts are grouped into two categories: parametric equivalents that match all critical electrical specifications, and functional substitutes that meet or exceed the primary electrical requirements while maintaining package compatibility.

Parameter Comparison

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitutes):

The RB521VM-30FHTE-17 and RB521VM-30TE-17 from Rohm Semiconductor are parametric equivalents to the DB2J31000L. Both parts maintain identical electrical specifications: 30 V DC reverse voltage, 200 mA average rectified current, and 470 mV forward voltage at 200 mA. Both are ROHS3 Compliant and feature MSL 1 (Unlimited) moisture sensitivity rating. The RB521VM-30FHTE-17 includes AEC-Q101 automotive qualification and is suitable for automotive-grade applications. Both parts are currently in active production status with substantial inventory availability (14,637 and 16,545 units respectively).

Functional Substitute (Voltage Derating):

The PMEG2005EJ,115 from Nexperia USA Inc. operates at a reduced maximum reverse voltage of 20 V compared to the 30 V specification of the DB2J31000L. This part is suitable only for applications where the circuit operates at 20 V or below. The PMEG2005EJ,115 offers higher current capacity (500 mA) and improved operating temperature range (150°C maximum junction temperature). This part is ROHS3 Compliant with MSL 1 rating and is actively produced with high inventory availability (57,959 units).

Alternative Equivalent (Package Variant):

The RB540VM-30TE-17 from Rohm Semiconductor maintains the 30 V and 200 mA specifications with identical package compatibility. Forward voltage is specified at 10 mA rather than 200 mA, and reverse leakage is significantly lower (500 nA @ 10 V). Operating temperature maximum is 150°C. This part is ROHS3 Compliant, MSL 1, and actively produced (5,334 units in stock).

Frequently Asked Questions (FAQ)

Q: Can the PMEG2005EJ,115 be used as a direct replacement for the DB2J31000L?

A: The PMEG2005EJ,115 is not a direct replacement due to reduced maximum reverse voltage (20 V versus 30 V). It is suitable only for circuits operating at 20 V or below. If your application requires the full 30 V rating, use RB521VM-30FHTE-17, RB521VM-30TE-17, or RB540VM-30TE-17 instead.

Q: What is the difference between RB521VM-30FHTE-17 and RB521VM-30TE-17?

A: Both parts are electrically identical with 30 V reverse voltage and 200 mA current rating. The RB521VM-30FHTE-17 includes AEC-Q101 automotive qualification, making it suitable for automotive applications. The RB521VM-30TE-17 is the standard industrial-grade version. Select based on application requirements.

Q: Are all substitute parts compatible with the SMini2-F5-B package footprint?

A: All substitute parts use the SC-90, SOD-323F package designation and are surface mount compatible. However, verify PCB footprint compatibility with your design documentation, as supplier device package designations (SMini2-F5-B versus UMD2 versus SOD-323F) may have minor physical variations. Consult component datasheets for precise footprint dimensions.

Q: What is the significance of the lower reverse leakage current in RB540VM-30TE-17 and RB521VM-30 series?

A: Lower reverse leakage current (30 nA to 500 nA versus 200 µA) indicates reduced parasitic current flow in reverse bias conditions. This characteristic improves circuit efficiency and reduces power dissipation in applications sensitive to leakage current. Select based on your circuit's leakage current tolerance requirements.

Q: Can I use parts with higher operating temperature ratings as direct substitutes?

A: Yes. The RB540VM-30TE-17 and PMEG2005EJ,115 feature 150°C maximum junction temperature compared to the DB2J31000L's 125°C rating. Higher temperature ratings provide additional thermal margin and are fully compatible with designs specified for 125°C operation.

Q: Are all substitute parts RoHS compliant?

A: Yes. The DB2J31000L is RoHS Compliant, and all substitute parts are ROHS3 Compliant, which exceeds the original RoHS requirements. All parts are suitable for RoHS-regulated applications.