BAV20W-7 Equivalent & Substitute Parts

Part Overview

The BAV20W-7 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 150 V DC reverse voltage and 400 mA average rectified current in a surface mount SOD-123 package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	150 V
Current - Average Rectified (Io)	400 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 150 V
Capacitance @ Vr, F	5 pF @ 0 V, 1 MHz
Package / Case	SOD-123
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C

Substitute Part Grouping Explanation

Substitution of the BAV20W-7 is determined by electrical and mechanical parameter compatibility within the rectifier diode category. The critical parameters governing substitution are:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 150 V
Voltage - Forward (Vf) (Max) @ If: Must equal or be lower than 1.25 V @ 200 mA
Reverse Recovery Time (trr): Must equal or be lower than 50 ns
Current - Reverse Leakage @ Vr: Must equal or be lower than 100 nA @ 150 V
Package / Case: Must be SOD-123
Mounting Type: Must be Surface Mount

Secondary Compatibility Factors:

Operating Temperature - Junction range must accommodate application requirements
Current - Average Rectified (Io) rating must meet or exceed circuit requirements

Substitute parts are grouped into two categories: parametric equivalents (matching all primary electrical specifications) and manufacturer-recommended alternatives (meeting primary criteria with acceptable deviations in secondary parameters).

Parameter Comparison

Parameter	BAV20W-7 (Main)	BAV20W-7-F	BAV20W-TP	BAV20W-G RHG
Manufacturer	Diodes Incorporated	Diodes Incorporated	Micro Commercial Co	Taiwan Semiconductor Corporation
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V	150 V
Current - Average Rectified (Io)	400 mA	400 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 200 mA	1.25 V @ 200 mA	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 150 V	100 nA @ 150 V	100 nA @ 150 V	100 nA @ 150 V
Capacitance @ Vr, F	5 pF @ 0 V, 1 MHz	5 pF @ 0 V, 1 MHz	1.5 pF @ 0 V, 1 MHz	5 pF @ 0 V, 1 MHz
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	-55°C ~ 150°C	-65°C ~ 150°C
Product Status	Discontinued at DiGi Electronics	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BAV20W-7-F (Diodes Incorporated)

This part is a parametric equivalent to the BAV20W-7, matching all primary electrical specifications including 400 mA average rectified current, 150 V reverse voltage, and 50 ns reverse recovery time. The BAV20W-7-F is currently active in production and ROHS3 compliant, addressing the discontinuation and compliance status of the original part. Operating temperature range remains -65°C to 150°C. This substitute is suitable for direct replacement in applications requiring the full 400 mA current rating.

BAV20W-TP (Micro Commercial Co)

This part meets all primary electrical substitution criteria with 150 V reverse voltage and 50 ns reverse recovery time. The current rating is 200 mA, which is lower than the BAV20W-7 specification of 400 mA. The BAV20W-TP is suitable for applications where circuit current requirements do not exceed 200 mA. Operating temperature range is -55°C to 150°C, which is narrower at the lower end compared to the original part. This part is ROHS3 compliant and currently active.

BAV20W-G RHG (Taiwan Semiconductor Corporation)

This part is a parametric equivalent meeting all primary electrical specifications with 150 V reverse voltage and 50 ns reverse recovery time. The current rating is 200 mA, lower than the BAV20W-7 specification of 400 mA. The BAV20W-G RHG is suitable for applications where circuit current requirements do not exceed 200 mA. Operating temperature range is -65°C to 150°C, matching the original part. This part is ROHS3 compliant and currently active.

Frequently Asked Questions (FAQ)

Q: Can BAV20W-7-F be used as a direct replacement for BAV20W-7?

A: Yes. The BAV20W-7-F matches all primary electrical parameters of the BAV20W-7, including 400 mA average rectified current, 150 V reverse voltage, 1.25 V forward voltage at 200 mA, and 50 ns reverse recovery time. Both parts use SOD-123 surface mount packaging. The BAV20W-7-F is currently active and ROHS3 compliant.

Q: What is the difference between BAV20W-7 and BAV20W-TP?

A: The primary difference is the average rectified current rating. The BAV20W-7 is rated for 400 mA, while the BAV20W-TP is rated for 200 mA. Both parts share identical reverse voltage (150 V), forward voltage (1.25 V @ 200 mA), and reverse recovery time (50 ns) specifications. The BAV20W-TP operating temperature range is -55°C to 150°C, compared to -65°C to 150°C for the BAV20W-7. The BAV20W-TP is suitable only for applications where circuit current does not exceed 200 mA.

Q: Can BAV20W-TP or BAV20W-G RHG be used in circuits designed for 400 mA operation?

A: No. Both BAV20W-TP and BAV20W-G RHG are rated for 200 mA average rectified current, which is insufficient for circuits requiring 400 mA. Using these parts in 400 mA applications will result in device overstress and potential failure.

Q: Are all substitute parts available in the same packaging options as BAV20W-7?

A: The BAV20W-7 is supplied in Cut Tape (CT) packaging. The BAV20W-7-F is available in both Cut Tape (CT) and Digi-Reel® packaging. The BAV20W-TP and BAV20W-G RHG are supplied in Tape & Reel (TR) packaging. All parts use the SOD-123 surface mount package case.

Q: What is the compliance status difference between BAV20W-7 and its substitutes?

A: The BAV20W-7 is RoHS non-compliant. All three substitute parts (BAV20W-7-F, BAV20W-TP, and BAV20W-G RHG) are ROHS3 compliant. All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: Which substitute part should be selected for new designs?

A: For applications requiring 400 mA operation, select BAV20W-7-F. For applications requiring 200 mA or less, either BAV20W-TP or BAV20W-G RHG may be selected based on availability and operating temperature requirements. All three substitutes are currently active in production and ROHS3 compliant.

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