BAV3004W-7-F Equivalent & Substitute Parts

Part Overview

The BAV3004W-7-F is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 300 V DC reverse voltage and 225 mA average rectified current in a surface mount SOD-123 package. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Equivalent parts maintain identical or superior electrical and mechanical specifications, enabling direct replacement without circuit redesign.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	300 V
Current - Average Rectified (Io)	225 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 240 V
Capacitance @ Vr, F	5 pF @ 0V, 1MHz
Package / Case	SOD-123
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BAV3004W-7-F is determined by the following critical parameters: reverse voltage rating (Vr), average rectified current (Io), forward voltage drop (Vf), recovery speed classification, reverse recovery time (trr), reverse leakage current, package type, and thermal operating range. A substitute part must maintain or exceed the reverse voltage specification, support the required current level, and preserve the SOD-123 surface mount package format. The fast recovery speed characteristic (≤ 500ns for currents > 200mA) is a defining electrical attribute of this device class.

Substitute parts are classified into two categories:

MFR Recommended Substitutes: Parts explicitly recommended by manufacturers as direct replacements, with active product status and full compliance certifications.

Parametric Equivalents: Parts that match or exceed all critical electrical specifications and package requirements, enabling functional equivalence in circuit applications.

Parameter Comparison

Parameter	BAV3004W-7-F (Main)	BAV3004W_R1_00001	GSD2004W-E3-18	CDSW3004-HF
Manufacturer	Diodes Incorporated	Panjit International Inc.	Vishay General Semiconductor	Comchip Technology
Product Status	Obsolete	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	300 V	350 V	240 V	300 V
Current - Average Rectified (Io)	225 mA	200 mA	225 mA	225 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 200 mA	1 V @ 100 mA	1.25 V @ 200 mA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Small Signal ≤ 200mA, Any Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 240 V	100 nA @ 240 V	100 nA @ 240 V	100 nA @ 240 V
Capacitance @ Vr, F	5 pF @ 0V, 1MHz	1 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz
Package / Case	SOD-123	SOD-123	SOD-123	SOD-123
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C	150°C (Max)	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

CDSW3004-HF (Comchip Technology) is the primary parametric equivalent for BAV3004W-7-F replacement. This part maintains identical reverse voltage (300 V), current rating (225 mA), forward voltage (1.25 V @ 200 mA), recovery speed classification (fast recovery ≤ 500ns), and thermal operating range (-65°C ~ 150°C). The CDSW3004-HF is currently in active production status with 34,325 units in stock, ensuring procurement availability. All compliance certifications (ROHS3, REACH Unaffected, MSL 1) are equivalent to the main part.

GSD2004W-E3-18 (Vishay General Semiconductor) is a MFR recommended substitute with active product status. This part maintains the 225 mA current rating and fast recovery speed classification. The reverse voltage rating is reduced to 240 V, which is acceptable for applications where the circuit design margin permits operation below 300 V. The forward voltage specification (1 V @ 100 mA) is superior to the main part. Operating temperature range is specified as 150°C maximum without lower bound notation. This part is suitable for designs with voltage headroom below 300 V.

BAV3004W_R1_00001 (Panjit International Inc.) is a MFR recommended substitute with active product status and elevated reverse voltage rating (350 V). However, the average rectified current is reduced to 200 mA, which is below the main part specification of 225 mA. The speed classification differs from the main part (small signal ≤ 200mA, any speed versus fast recovery > 200mA). This part is suitable only for applications where the 200 mA current limit is acceptable and fast recovery characteristics are not required.

All substitute parts maintain SOD-123 surface mount packaging, enabling direct PCB footprint compatibility without layout modification.

Frequently Asked Questions (FAQ)

Q: Can CDSW3004-HF directly replace BAV3004W-7-F in all applications?

A: Yes. The CDSW3004-HF maintains identical specifications across all critical parameters: 300 V reverse voltage, 225 mA current rating, 1.25 V forward voltage @ 200 mA, fast recovery speed (≤ 500ns), 50 ns reverse recovery time, and -65°C to 150°C operating temperature range. The SOD-123 package is identical, requiring no PCB modification.

Q: What is the difference between the speed classifications listed for these parts?

A: The BAV3004W-7-F and CDSW3004-HF are classified as "Fast Recovery ≤ 500ns, > 200mA (Io)," indicating reverse recovery time of 50 ns at currents exceeding 200 mA. The BAV3004W_R1_00001 is classified as "Small Signal ≤ 200mA, Any Speed," which does not guarantee fast recovery characteristics at higher currents. Fast recovery classification is critical for high-frequency switching applications.

Q: Why does GSD2004W-E3-18 have a lower reverse voltage rating?

A: The GSD2004W-E3-18 is rated for 240 V maximum reverse voltage compared to 300 V for the main part. This part is suitable for applications where the circuit design operates below 240 V. If the application requires 300 V reverse voltage margin, this part is not appropriate.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (CDSW3004-HF, BAV3004W_R1_00001, and GSD2004W-E3-18) are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level), matching the compliance profile of the main part.

Q: What is the significance of the capacitance specification difference in BAV3004W_R1_00001?

A: The BAV3004W_R1_00001 specifies 1 pF capacitance at 0V, 1MHz, compared to 5 pF for the main part and other substitutes. Lower capacitance may provide improved high-frequency performance in certain circuit topologies, but this difference does not affect functional substitution in standard rectifier applications.

Q: Can BAV3004W_R1_00001 be used if the application only requires 200 mA current?

A: The BAV3004W_R1_00001 is rated for 200 mA average rectified current, which is below the main part specification of 225 mA. This part is suitable only if the application current requirement does not exceed 200 mA. The speed classification difference (small signal versus fast recovery) must also be evaluated for the specific circuit application.

Q: Is packaging identical across all substitute parts?

A: Yes. All parts (BAV3004W-7-F, CDSW3004-HF, BAV3004W_R1_00001, and GSD2004W-E3-18) use SOD-123 surface mount package with identical footprint dimensions. No PCB layout modification is required for substitution.

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