SD101BW-TP Equivalent & Substitute Parts

Part Overview

The SD101BW-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 50 V DC reverse voltage and 15 mA average rectified current in a surface mount SOD-123 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring Schottky diode functionality within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	15 mA
Voltage - Forward (Vf) (Max) @ If	950 mV @ 15 mA
Reverse Recovery Time (trr)	1 ns
Current - Reverse Leakage @ Vr	200 nA @ 40 V
Package / Case	SOD-123
Mounting Type	Surface Mount
Technology	Schottky
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SD101BW-TP are identified based on matching or exceeding the following critical electrical and mechanical parameters:

Direct Equivalent Criteria:

Voltage - DC Reverse (Vr) (Max): 50 V or greater
Current - Average Rectified (Io): 15 mA or greater
Package / Case: SOD-123
Mounting Type: Surface Mount
Technology: Schottky

Substitute Classification:

Upgrade Equivalent (SD101BW-7-F): Matches all critical parameters of the main part with identical voltage, current, and package specifications. Manufactured by Diodes Incorporated with Active product status and RoHS3 compliance.

Similar Part (STPS0540ZY): Shares the same package and mounting type but operates at different electrical specifications. Manufactured by STMicroelectronics with higher current rating (500 mA) and lower reverse voltage (40 V). This part is suitable for applications where higher current capacity is required within a lower voltage envelope.

Parameter Comparison

Parameter	SD101BW-TP (Main)	SD101BW-7-F (Upgrade)	STPS0540ZY (Similar)
Manufacturer	Micro Commercial Co	Diodes Incorporated	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	40 V
Current - Average Rectified (Io)	15 mA	15 mA	500 mA
Voltage - Forward (Vf) (Max) @ If	950 mV @ 15 mA	950 mV @ 15 mA	500 mV @ 500 mA
Reverse Recovery Time (trr)	1 ns	1 ns	Not specified
Current - Reverse Leakage @ Vr	200 nA @ 40 V	200 nA @ 40 V	40 µA @ 40 V
Package / Case	SOD-123	SOD-123	SOD-123
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Technology	Schottky	Schottky	Schottky
Operating Temperature - Junction	125°C (Max)	-65°C ~ 125°C	-40°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active

Engineering Selection Recommendations

SD101BW-7-F (Upgrade Equivalent): This part is the direct functional equivalent to the SD101BW-TP. Both components share identical electrical specifications for voltage, current, and forward voltage characteristics. The SD101BW-7-F is manufactured by Diodes Incorporated and maintains Active product status with RoHS3 compliance. Selection of this part provides equivalent performance with expanded operating temperature range (-65°C to 125°C versus 125°C maximum for the main part). Both parts are certified for the same regulatory standards (RoHS3, REACH Unaffected, EAR99).

STPS0540ZY (Similar Part): This part operates within a different electrical specification envelope. The STPS0540ZY is rated for 40 V reverse voltage (10 V lower than the main part) and 500 mA average rectified current (33 times higher than the main part). This part is suitable for applications requiring higher current capacity at lower voltage ratings. The STPS0540ZY includes automotive grade qualification and operates across a wider temperature range (-40°C to 150°C). Selection of this part requires circuit-level verification that the 40 V voltage rating is sufficient for the application and that the higher current capacity does not introduce thermal or performance concerns.

Frequently Asked Questions (FAQ)

Q: Can SD101BW-7-F be used as a direct replacement for SD101BW-TP?

A: Yes. The SD101BW-7-F is an upgrade equivalent with identical voltage (50 V), current (15 mA), forward voltage (950 mV @ 15 mA), and package specifications (SOD-123). Both parts are Schottky diodes with Active product status and RoHS3 compliance. The SD101BW-7-F provides an extended operating temperature range.

Q: What are the limitations of using STPS0540ZY as a substitute?

A: The STPS0540ZY operates at 40 V maximum reverse voltage, which is 10 V lower than the SD101BW-TP specification of 50 V. Applications requiring the full 50 V rating cannot use this part. The STPS0540ZY is designed for higher current applications (500 mA versus 15 mA) and exhibits higher reverse leakage current (40 µA @ 40 V versus 200 nA @ 40 V). Circuit design must accommodate these electrical differences.

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

A: Yes. The SD101BW-TP, SD101BW-7-F, and STPS0540ZY are all available in SOD-123 surface mount package. All three parts are surface mount components suitable for automated assembly processes.

Q: What compliance certifications apply to these parts?

A: All three parts (SD101BW-TP, SD101BW-7-F, and STPS0540ZY) are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99. All parts carry HTSUS code 8541.10.0070. Moisture sensitivity level is 1 (Unlimited) for all parts.

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

A: For new designs requiring 50 V, 15 mA Schottky diode functionality, the SD101BW-7-F is the recommended selection. This part provides identical electrical specifications to the SD101BW-TP with extended operating temperature range and is manufactured by Diodes Incorporated with Active product status. The STPS0540ZY is suitable only for applications with lower voltage requirements (40 V maximum) and higher current demands (500 mA).

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