BAV20TR Equivalent & Substitute Parts

Part Overview

The BAV20TR is a general-purpose rectifier diode manufactured by onsemi, rated for 200 V DC reverse voltage and 200 mA average rectified current in a DO-35 through-hole package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The BAV20TR serves applications requiring small-signal rectification with standard recovery characteristics and is suitable for general-purpose switching and rectification circuits operating within its voltage and current specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	200	mA
Voltage - Forward (Vf) (Max)	1.25	V @ 200 mA
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	100	nA @ 200 V
Capacitance @ Vr, F	5	pF @ 0V, 1MHz
Operating Temperature - Junction (Max)	175	°C
Mounting Type	Through Hole	-
Package / Case	DO-204AH, DO-35, Axial	-
Product Status	Obsolete	-

Substitute Part Grouping Explanation

Substitution of the BAV20TR is determined by the following critical parameters: DC reverse voltage rating, average rectified current capacity, forward voltage drop, reverse recovery time, and through-hole mounting compatibility. The BAV20TR operates at 200 V maximum reverse voltage with 200 mA current capacity. Substitute parts must maintain electrical compatibility within the application's voltage and current requirements while preserving the through-hole axial package form factor.

The substitute parts identified—BAV20,113, BAV20,133, BAV20-TR, and BAV20,143—share the same base product number (BAV20) and maintain compatible through-hole mounting. However, these substitutes operate at reduced maximum reverse voltage ratings (150 V) compared to the original BAV20TR (200 V). This voltage reduction must be evaluated against the actual circuit requirements. All substitutes maintain the same reverse recovery time (50 ns), reverse leakage current (100 nA), and junction temperature rating (175°C). Current capacity is increased to 250 mA in the substitute parts, which is compatible with applications designed for 200 mA operation.

Parameter Comparison

Parameter	BAV20TR (Main)	BAV20,113	BAV20,133	BAV20,143	BAV20-TR
Manufacturer	onsemi	Nexperia USA Inc.	NXP USA Inc.	Nexperia USA Inc.	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	150 V	150 V	150 V	150 V
Current - Average Rectified (Io)	200 mA	250 mA	250 mA	250 mA	250 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	1 V @ 100 mA
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 200 V	100 nA @ 150 V	100 nA @ 150 V	100 nA @ 150 V	100 nA @ 150 V
Capacitance @ Vr, F	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	1.5 pF @ 0V, 1MHz
Operating Temperature - Junction (Max)	175°C	175°C	175°C	175°C	175°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All identified substitute parts (BAV20,113, BAV20,133, BAV20,143, and BAV20-TR) are active products with current manufacturing status, providing supply continuity for the obsolete BAV20TR. The primary electrical difference is the reduced maximum reverse voltage rating of 150 V in all substitutes compared to the 200 V rating of the original part. Selection of a substitute part requires confirmation that the application circuit operates at or below 150 V reverse voltage conditions.

BAV20,113, BAV20,133, and BAV20,143 are functionally equivalent Nexperia/NXP variants with identical electrical characteristics. BAV20,113 and BAV20,143 are supplied in cut tape packaging, while BAV20,133 is supplied in bulk packaging. BAV20,133 and BAV20,143 carry ROHS3 compliance certification.

BAV20-TR, manufactured by Vishay General Semiconductor, offers ROHS3 compliance and AEC-Q101 automotive qualification. This part features reduced junction capacitance (1.5 pF versus 5 pF) and lower forward voltage drop (1 V @ 100 mA), providing potential advantages in high-frequency switching applications. BAV20-TR is supplied in cut tape packaging.

All substitute parts maintain the same through-hole DO-35 axial package form factor, reverse recovery time (50 ns), reverse leakage current (100 nA @ 150 V), and maximum junction temperature (175°C) as the original BAV20TR.

Frequently Asked Questions (FAQ)

Q: Can BAV20,113, BAV20,133, BAV20,143, or BAV20-TR be used as direct replacements for BAV20TR?

A: These parts are functionally compatible substitutes for applications operating at 150 V or below. The primary limitation is the reduced maximum reverse voltage rating (150 V versus 200 V). Direct substitution is valid only when the circuit design operates within the 150 V maximum reverse voltage specification of the substitute parts.

Q: What is the difference between BAV20,113, BAV20,133, and BAV20,143?

A: These three parts are electrically identical Nexperia/NXP variants of the BAV20 base product. The differences are in packaging format: BAV20,113 and BAV20,143 are supplied in cut tape (CT), while BAV20,133 is supplied in bulk. BAV20,133 and BAV20,143 carry ROHS3 compliance certification.

Q: How does BAV20-TR differ from the Nexperia variants?

A: BAV20-TR is manufactured by Vishay General Semiconductor and includes AEC-Q101 automotive qualification. It features lower junction capacitance (1.5 pF versus 5 pF) and lower forward voltage drop (1 V @ 100 mA), making it suitable for automotive and high-frequency switching applications. BAV20-TR carries ROHS3 compliance.

Q: Are all substitute parts available in the same DO-35 package?

A: Yes, all substitute parts are supplied in DO-204AH (DO-35) axial through-hole packages, maintaining mechanical and electrical compatibility with the original BAV20TR package form factor.

Q: What is the impact of the increased current rating (250 mA) in the substitute parts?

A: The increased current rating of 250 mA in all substitute parts is compatible with applications designed for the original 200 mA rating. This provides additional design margin and does not create compatibility issues.

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

A: Selection depends on specific application requirements. For general-purpose rectification at 150 V or below, BAV20,113, BAV20,133, or BAV20,143 are suitable. For automotive applications or designs requiring lower capacitance and forward voltage drop, BAV20-TR is the appropriate choice. All parts maintain the same reverse recovery time and leakage characteristics as the original BAV20TR.

Q: What is the significance of the reverse voltage rating difference?

A: The BAV20TR is rated for 200 V maximum reverse voltage, while all substitutes are rated for 150 V. This difference is critical in circuit design. If the application circuit experiences reverse voltages exceeding 150 V, the substitute parts are not suitable. If the circuit operates at 150 V or below, the substitutes are fully compatible.

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