SD101C-TAP Equivalent & Substitute Parts

Part Overview

The SD101C-TAP is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 40 V DC reverse voltage and 30 mA average rectified current in a DO-35 through-hole package. This component is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

SD101C-TAP

Vishay General Semiconductor - Diodes DivisionIn Stock: 1115SD101C-TAP Datasheet

Current PartRFQ

1N6263

STMicroelectronicsIn Stock: 32191N6263 Datasheet

MFR RecommendedRFQ

BAT42

STMicroelectronicsIn Stock: 45306BAT42 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SD101C-TAP is determined by electrical and mechanical compatibility within the Schottky diode rectifier category. The primary substitution criteria are:

Electrical Parameters:

• Voltage - DC Reverse (Vr) rating must equal or exceed 40 V
• Current - Average Rectified (Io) rating must equal or exceed 30 mA
• Forward voltage (Vf) characteristics must be compatible with circuit operation
• Reverse leakage current must not exceed specified limits for the application
• Capacitance values must support signal integrity requirements

Mechanical Parameters:

• Package type must be DO-35 (DO-204AH) through-hole configuration
• Axial lead orientation must match PCB layout requirements
• Mounting type must be through-hole compatible

Compliance & Status:

• Product status must be Active
• RoHS3 compliance required
• Moisture Sensitivity Level (MSL) must be 1 (Unlimited)

Both identified substitute parts meet these criteria with variations in maximum ratings that allow operation within the SD101C-TAP application envelope.

Parameter Comparison

Engineering Selection Recommendations

1N6263 Substitution: The 1N6263 is suitable for applications where the SD101C-TAP is specified but higher reverse voltage rating (60 V) is acceptable. The 1N6263 has a lower average rectified current rating (15 mA) compared to the SD101C-TAP (30 mA). This substitute is appropriate only when circuit current requirements do not exceed 15 mA. The 1N6263 offers extended operating temperature range (-65°C to 200°C) and maintains identical capacitance characteristics. All compliance certifications (ROHS3, MSL 1) are equivalent.

BAT42 Substitution: The BAT42 is suitable for applications where the SD101C-TAP is specified but higher average rectified current (200 mA) is required. The BAT42 has a lower reverse voltage rating (30 V) compared to the SD101C-TAP (40 V). This substitute is appropriate only when circuit reverse voltage does not exceed 30 V. The BAT42 exhibits higher capacitance (7 pF) and higher reverse leakage current (500 nA) than the SD101C-TAP. All compliance certifications (ROHS3, MSL 1) are equivalent.

Selection Criteria:

• Choose 1N6263 when higher voltage margin is required and current demand is ≤15 mA
• Choose BAT42 when higher current capacity is required and reverse voltage is ≤30 V
• Verify circuit operating conditions against the selected substitute's maximum ratings before implementation

Frequently Asked Questions (FAQ)

Q: Can the 1N6263 replace the SD101C-TAP in all applications?

A: No. The 1N6263 has a maximum average rectified current rating of 15 mA, while the SD101C-TAP is rated for 30 mA. The 1N6263 is suitable only for circuits where the average rectified current does not exceed 15 mA. Verify circuit current requirements before substitution.

Q: Can the BAT42 replace the SD101C-TAP in all applications?

A: No. The BAT42 has a maximum reverse voltage rating of 30 V, while the SD101C-TAP is rated for 40 V. The BAT42 is suitable only for circuits where the reverse voltage does not exceed 30 V. Verify circuit voltage requirements before substitution.

Q: Are all three diodes in the same package?

A: Yes. The SD101C-TAP, 1N6263, and BAT42 are all packaged in DO-35 (DO-204AH) through-hole configuration with axial leads. Physical mounting compatibility is equivalent across all three parts.

Q: Do the substitute parts have the same compliance certifications?

A: Yes. All three parts are ROHS3 compliant, have Moisture Sensitivity Level 1 (Unlimited), and are classified as Active product status. Compliance requirements are equivalent.

Q: What is the primary difference between the 1N6263 and BAT42 substitutes?

A: The 1N6263 provides higher reverse voltage rating (60 V) with lower current capacity (15 mA). The BAT42 provides higher current capacity (200 mA) with lower reverse voltage rating (30 V). Selection depends on whether the circuit is voltage-limited or current-limited.

Q: Can I use the 1N6263 or BAT42 interchangeably with the SD101C-TAP?

A: No. Each substitute has different electrical ratings. The 1N6263 and BAT42 are not interchangeable with each other or with the SD101C-TAP. Circuit requirements must be evaluated against each part's maximum ratings to determine compatibility.

Q: Are there differences in forward voltage characteristics?

A: Yes. The SD101C-TAP has a forward voltage of 900 mV @ 15 mA, while both the 1N6263 and BAT42 have forward voltage of 1 V @ their respective rated currents. This difference may affect circuit performance in precision applications.

Q: What is the capacitance difference between these parts?

A: The SD101C-TAP and 1N6263 both have 2.2 pF capacitance @ 0V, 1MHz. The BAT42 has higher capacitance at 7 pF @ 1V, 1MHz. Higher capacitance may affect high-frequency circuit performance.