SD101C-TR Equivalent & Substitute Parts

Part Overview

The SD101C-TR is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates at a maximum reverse voltage of 40 V with an average rectified current of 30 mA, housed in a DO-35 package. The SD101C-TR is specified for small-signal applications and is ROHS3 compliant with unlimited moisture sensitivity rating. Substitute parts are identified to address application requirements where voltage, current, or thermal specifications differ from the original SD101C-TR design parameters.

Substiute Parts

SD101C-TR

Vishay General Semiconductor - Diodes DivisionIn Stock: 9510SD101C-TR Datasheet

Current PartRFQ

1N6263

STMicroelectronicsIn Stock: 32191N6263 Datasheet

MFR RecommendedRFQ

BAT42

STMicroelectronicsIn Stock: 45306BAT42 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SD101C-TR are qualified based on the following criteria:

Electrical Compatibility Parameters:

• Technology classification (Schottky diode)
• Package form factor (DO-35 through-hole)
• Reverse voltage rating (equal to or greater than 40 V)
• Average rectified current rating (equal to or greater than 30 mA)
• Forward voltage characteristics within acceptable operating range
• Reverse leakage current specifications

Compliance & Status Parameters:

• Active product status
• ROHS3 compliance
• Unlimited moisture sensitivity level (MSL 1)

The identified substitutes BAT42 and 1N6263 maintain Schottky technology and DO-35 packaging while offering different voltage and current ratings. These parts are selected based on their ability to operate within the electrical envelope required by applications originally designed for the SD101C-TR.

Parameter Comparison

Engineering Selection Recommendations

1N6263 Substitution Considerations: The 1N6263 provides a higher reverse voltage rating of 60 V compared to the SD101C-TR's 40 V specification. However, the 1N6263 is rated for 15 mA average rectified current, which is below the SD101C-TR's 30 mA rating. This part is suitable for applications where reverse voltage margin is required but forward current demand does not exceed 15 mA. Both parts maintain identical capacitance characteristics and reverse leakage specifications at their respective voltage ratings. All compliance certifications align between the two parts.

BAT42 Substitution Considerations: The BAT42 offers significantly higher current capacity at 200 mA average rectified current, exceeding the SD101C-TR's 30 mA specification. The BAT42 reverse voltage rating is 30 V, which is lower than the SD101C-TR's 40 V maximum. This part is suitable for applications requiring higher current handling where the circuit operates below 30 V reverse bias. The BAT42 exhibits higher capacitance (7 pF) and reverse leakage current (500 nA) compared to the SD101C-TR. All compliance certifications align between the two parts.

Both substitute parts maintain active product status, ROHS3 compliance, and unlimited moisture sensitivity rating, ensuring long-term availability and regulatory alignment with the original SD101C-TR.

Frequently Asked Questions (FAQ)

Q: Can the 1N6263 directly replace the SD101C-TR in all applications? A: The 1N6263 shares identical package form factor and Schottky technology with the SD101C-TR. However, the 1N6263 is rated for 15 mA maximum average rectified current, while the SD101C-TR is rated for 30 mA. Direct substitution is limited to applications where forward current does not exceed 15 mA. The 1N6263's higher reverse voltage rating (60 V) provides additional margin in circuits operating below 40 V.

Q: Can the BAT42 directly replace the SD101C-TR in all applications? A: The BAT42 shares identical package form factor and Schottky technology with the SD101C-TR. However, the BAT42 is rated for 30 V maximum reverse voltage, while the SD101C-TR is rated for 40 V. Direct substitution is limited to applications where reverse bias does not exceed 30 V. The BAT42's higher current rating (200 mA) accommodates applications requiring greater forward current capacity.

Q: Are all three parts available in the same physical package? A: Yes. The SD101C-TR, 1N6263, and BAT42 are all housed in the DO-35 through-hole package with axial lead configuration. Physical board layout compatibility is maintained across all three parts.

Q: What are the compliance differences between these parts? A: All three parts are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (unlimited moisture sensitivity). No compliance differentiation exists between the SD101C-TR and its substitutes.

Q: How do forward voltage characteristics compare? A: The SD101C-TR specifies 900 mV forward voltage at 15 mA. The 1N6263 specifies 1 V at 15 mA, and the BAT42 specifies 1 V at 200 mA. Forward voltage increases with current in Schottky diodes; direct comparison requires evaluation at identical current levels within each part's rated range.

Q: Which substitute part should be selected for a 50 V circuit? A: The 1N6263 with its 60 V reverse voltage rating is suitable for circuits operating at 50 V. The SD101C-TR (40 V) and BAT42 (30 V) are not rated for this voltage level.

Q: Which substitute part should be selected for a 100 mA circuit? A: The BAT42 with its 200 mA average rectified current rating is suitable for circuits requiring 100 mA. The SD101C-TR (30 mA) and 1N6263 (15 mA) are not rated for this current level.