BAV103-TP Equivalent & Substitute Parts

Part Overview

The BAV103-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200V DC reverse voltage and 200mA average rectified current in a Mini MELF surface mount package. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity. Substitute parts must maintain electrical performance characteristics while accommodating package and availability constraints.

Substiute Parts

BAV103-TP

Micro Commercial CoIn Stock: 948BAV103-TP Datasheet

Current PartRFQ

BAV21W-TP

Micro Commercial CoIn Stock: 3079BAV21W-TP Datasheet

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BAV103-TP

Micro Commercial CoIn Stock: 948BAV103-TP Datasheet

Parametric EquivalentRFQ

BAV103

Good-Ark SemiconductorIn Stock: 116484BAV103 Datasheet

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BAV103,115

NXP USA Inc.In Stock: 1336150BAV103,115 Datasheet

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BAV103,135

Nexperia USA Inc.In Stock: 1613BAV103,135 Datasheet

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BAV103-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 746329BAV103-GS08 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BAV103-TP is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Voltage - DC Reverse (Vr) (Max): 200V minimum
• Current - Average Rectified (Io): 200mA minimum
• Voltage - Forward (Vf) (Max) @ If: 1.25V maximum @ 200mA
• Reverse Recovery Time (trr): 50ns maximum
• Current - Reverse Leakage @ Vr: 100nA maximum @ 200V
• Operating Temperature - Junction: -55°C to 150°C minimum range

Mechanical Compatibility Criteria:

• Mounting Type: Surface Mount
• Package / Case: DO-213AC, MINI-MELF, SOD-80 compatible packages

Substitute parts are grouped into two categories:

Category 1: Direct Electrical & Package Equivalents Parts that maintain the BAV103-TP electrical specifications and Mini MELF package form factor with active product status.

Category 2: Functional Equivalents with Package Variation Parts that meet or exceed electrical specifications but utilize alternative surface mount packages (SOD-123, LLDS) compatible with the same circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: BAV103-GS08 (Vishay General Semiconductor)

The BAV103-GS08 is the recommended primary substitute for the obsolete BAV103-TP. This part maintains identical electrical specifications, operates in the same Mini MELF package, and is actively manufactured with substantial inventory availability (746,300 units). The BAV103-GS08 carries AEC-Q101 automotive qualification, providing enhanced reliability documentation. All critical parameters—reverse voltage, forward voltage, reverse recovery time, and leakage current—match the original specification. Operating temperature maximum of 175°C exceeds the BAV103-TP requirement.

Secondary Substitute: BAV103 (Good-Ark Semiconductor)

The Good-Ark BAV103 provides direct electrical and package compatibility with higher current rating (250mA versus 200mA), operating within the same Mini MELF package. This part is actively produced with high inventory (116,400 units). The increased current rating provides design margin without compromising voltage or switching characteristics.

Tertiary Substitutes: BAV103,115 and BAV103,135 (NXP/Nexperia)

Both NXP USA Inc. BAV103,115 and Nexperia USA Inc. BAV103,135 meet electrical requirements with 250mA current ratings and Mini MELF package compatibility. These parts are actively manufactured with substantial inventory. The BAV103,115 shows the highest inventory availability (1,336,072 units). Capacitance specification differs at 5pF versus 1.5pF; this parameter variation does not affect substitution validity for general-purpose rectification applications.

Alternative Package Option: BAV21W-TP (Micro Commercial Co)

The BAV21W-TP maintains identical electrical specifications and active product status but utilizes SOD-123 package instead of Mini MELF. This substitute is applicable only when circuit board layout accommodates SOD-123 footprint. Inventory availability is adequate (3,000 units).

Compliance & Regulatory Status:

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the original BAV103-TP. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can BAV103-GS08 directly replace BAV103-TP without circuit modification?

A: Yes. The BAV103-GS08 maintains identical electrical specifications for reverse voltage (200V), forward voltage (1.25V @ 200mA), reverse recovery time (50ns), and leakage current (100nA @ 200V). Both components use the same Mini MELF package. No circuit modification is required.

Q: What is the difference between BAV103-TP and the higher-rated BAV103 variants?

A: The primary difference is current rating. BAV103-TP is rated for 200mA average rectified current, while BAV103 (Good-Ark), BAV103,115 (NXP), and BAV103,135 (Nexperia) are rated for 250mA. All other electrical parameters remain identical. The higher current rating provides additional design margin and does not prevent substitution.

Q: Why do some substitutes show different capacitance values (1.5pF versus 5pF)?

A: Capacitance variation reflects manufacturing differences between suppliers but does not affect substitution validity for rectifier diode applications. Both values are within acceptable ranges for general-purpose switching and rectification circuits. Capacitance becomes relevant only in high-frequency or precision timing applications.

Q: Is BAV21W-TP a suitable substitute if my circuit board uses Mini MELF footprint?

A: No. BAV21W-TP uses SOD-123 package, which has a different footprint than Mini MELF. This substitute is applicable only if your circuit board layout has been redesigned to accommodate SOD-123 dimensions. For Mini MELF footprint compatibility, use BAV103-GS08, BAV103 (Good-Ark), BAV103,115, or BAV103,135.

Q: What is the operating temperature difference between BAV103-TP and substitute parts?

A: BAV103-TP operates from -55°C to 150°C junction temperature. All active substitutes (BAV103-GS08, BAV103, BAV103,115, BAV103,135) support maximum junction temperature of 175°C. This higher maximum temperature in substitutes provides additional thermal margin and does not create compatibility issues.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed—BAV21W-TP, BAV103 (Good-Ark), BAV103,115 (NXP), BAV103,135 (Nexperia), and BAV103-GS08 (Vishay)—are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original BAV103-TP.

Q: Which substitute has the best inventory availability?

A: BAV103,115 (NXP USA Inc.) has the highest inventory availability at 1,336,072 units. BAV103-GS08 (Vishay) follows with 746,300 units. Both provide reliable long-term supply for production requirements.

Q: Can I use BAV103-GS08 in automotive applications?

A: Yes. BAV103-GS08 carries AEC-Q101 automotive qualification, making it suitable for automotive-grade applications. This qualification provides additional reliability assurance beyond standard commercial specifications.

Q: What is the primary reason to substitute BAV103-TP?

A: BAV103-TP is classified as obsolete. Substitution is necessary to ensure continued component availability for new designs, production continuity, and long-term supply chain reliability. All recommended substitutes are actively manufactured with established supply chains.