STPS20150CT Equivalent & Substitute Parts

Part Overview

The STPS20150CT is a 150 V, 20 A dual Power Schottky diode array manufactured by STMicroelectronics. This component features a 1 Pair Common Cathode configuration in a Through Hole TO-220-3 package, designed for fast recovery applications with switching speeds ≤ 500ns. The part is Active in product status and ROHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative manufacturers' specifications align with application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io) (per Diode)	10	A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 10 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	5	µA @ 150 V
Operating Temperature - Junction (Max)	175	°C
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the STPS20150CT are classified based on strict alignment with the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 150 V
Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Mounting Type: Through Hole
Package / Case: TO-220-3

Secondary Compatibility Parameters:

Current - Average Rectified (Io) (per Diode): 10 A (nominal)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction: 175°C (Max)

Parts are grouped into two categories:

Direct Equivalents: Parts meeting all primary substitution criteria with identical or superior electrical performance characteristics within the specified parameter ranges.

Similar/Compatible Alternatives: Parts that meet primary substitution criteria but may exhibit variations in secondary parameters such as forward voltage, reverse leakage current, or current rating. These parts are suitable for applications where the specific parameter variation does not impact circuit performance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io per Diode [A]	Vf (Max) @ If [mV]	Speed	Ir @ Vr [µA]	Tj (Max) [°C]	Configuration	Package	RoHS Status
STPS20150CT	STMicroelectronics	150	10	920 @ 10 A	Fast Recovery ≤ 500ns	5 @ 150 V	175	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
MBR20150CT	Diotec Semiconductor	150	10	850 @ 10 A	Fast Recovery ≤ 500ns	5 @ 150 V	175	1 Pair Common Cathode	TO-220-3	Not applicable
SBR20150CT	Diodes Incorporated	150	10	880 @ 10 A	Standard Recovery > 500ns	100 @ 150 V	175	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
DST20150C	Littelfuse Inc.	150	10	1200 @ 10 A	Fast Recovery ≤ 500ns	150 @ 150 V	150	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
MBR20150CT_T0_00001	Panjit International Inc.	150	20	900 @ 10 A	Fast Recovery ≤ 500ns	50 @ 150 V	175	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
MBR20200CTG	onsemi	200	10	900 @ 10 A	Fast Recovery ≤ 500ns	1000 @ 200 V	175	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
MBR20H150CTG	onsemi	150	10	680 @ 10 A	Fast Recovery ≤ 500ns	50 @ 150 V	150	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant
SBR10150CT	Diodes Incorporated	150	5	920 @ 5 A	Fast Recovery ≤ 500ns	250 @ 150 V	150	1 Pair Common Cathode	TO-220-3	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection:

MBR20150CT (Diotec Semiconductor) and MBR20150CT_T0_00001 (Panjit International Inc.) are direct equivalents to the STPS20150CT. Both parts maintain the 150 V reverse voltage rating, 1 Pair Common Cathode configuration, TO-220-3 package, and fast recovery speed characteristics. MBR20150CT_T0_00001 offers enhanced current capability at 20 A per diode, providing superior performance margin. Both parts are ROHS3 compliant and suitable for direct substitution in applications requiring the specified electrical parameters.

Compatible Alternative Selection:

SBR20150CT (Diodes Incorporated) meets all primary substitution criteria with identical voltage and package specifications. This part operates with standard recovery speed (> 500ns) rather than fast recovery, and exhibits higher reverse leakage current (100 µA vs. 5 µA). Selection of this part is appropriate for applications where recovery speed is not a critical performance factor and where the increased leakage current does not impact circuit operation.

MBR20H150CTG (onsemi) provides superior forward voltage performance (680 mV vs. 920 mV) with fast recovery characteristics and ROHS3 compliance. Operating temperature maximum is 150°C, which is 25°C lower than the primary part. This part is suitable for applications prioritizing efficiency and where the reduced temperature rating does not conflict with thermal design requirements.

Limited Compatibility Selection:

DST20150C (Littelfuse Inc.) maintains voltage and package compatibility but exhibits significantly higher forward voltage (1200 mV) and reverse leakage current (150 µA). This part is suitable only for applications where forward voltage drop and leakage current variations do not degrade circuit performance.

SBR10150CT (Diodes Incorporated) provides half the current rating (5 A vs. 10 A per diode). This part is suitable only for applications with reduced current requirements and where the lower current rating meets design specifications.

MBR20200CTG (onsemi) operates at 200 V reverse voltage, exceeding the 150 V specification. This part is suitable for applications requiring higher voltage margin and where the increased voltage rating does not introduce design complications.

Compliance and Certification:

All recommended substitute parts maintain ROHS3 compliance status, ensuring regulatory alignment with the primary part. Moisture Sensitivity Level (MSL) ratings are consistent across direct equivalents, supporting identical handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can MBR20150CT be used as a direct replacement for STPS20150CT?

A: Yes. MBR20150CT meets all primary substitution criteria: 150 V reverse voltage rating, 1 Pair Common Cathode configuration, TO-220-3 package, and fast recovery speed ≤ 500ns. Forward voltage is lower (850 mV vs. 920 mV), providing improved efficiency. Reverse leakage current is identical (5 µA @ 150 V). This part is a direct equivalent.

Q: What is the difference between fast recovery and standard recovery speed?

A: Fast recovery speed (≤ 500ns) indicates switching time of 500 nanoseconds or less at currents exceeding 200 mA. Standard recovery speed (> 500ns) indicates switching time exceeding 500 nanoseconds. Fast recovery devices are required for high-frequency switching applications. Standard recovery devices are suitable for lower-frequency applications where switching speed is not a limiting factor.

Q: Is SBR20150CT compatible with STPS20150CT?

A: SBR20150CT meets primary substitution criteria for voltage, configuration, and package. However, this part operates with standard recovery speed (> 500ns) rather than fast recovery (≤ 500ns), and exhibits higher reverse leakage current (100 µA vs. 5 µA). Compatibility depends on application requirements. If fast recovery speed is essential to circuit operation, SBR20150CT is not suitable. If recovery speed is not a critical parameter, this part is compatible.

Q: Why does MBR20150CT_T0_00001 have a higher current rating (20 A vs. 10 A)?

A: MBR20150CT_T0_00001 is manufactured by Panjit International Inc. with enhanced current handling capability. The 20 A per diode rating provides superior performance margin compared to the 10 A rating of STPS20150CT. This part is suitable for applications requiring higher current capacity and is a direct equivalent for all other electrical parameters.

Q: Can MBR20200CTG be used in place of STPS20150CT?

A: MBR20200CTG operates at 200 V reverse voltage, exceeding the 150 V specification of STPS20150CT. While this part meets package and configuration requirements, the higher voltage rating introduces design considerations. This part is suitable only for applications where the increased voltage rating does not conflict with circuit design or where higher voltage margin is beneficial.

Q: What is the significance of forward voltage (Vf) differences between substitute parts?

A: Forward voltage determines power dissipation and efficiency in rectification circuits. Lower forward voltage (MBR20H150CTG at 680 mV) reduces power loss and heat generation compared to higher forward voltage (DST20150C at 1200 mV). Selection should consider thermal design requirements and efficiency targets. Differences of 50–100 mV typically have minimal impact on circuit performance; differences exceeding 200 mV may require thermal analysis.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed in this reference are ROHS3 compliant, ensuring regulatory alignment with the primary STPS20150CT part. Compliance status is verified in the parameter comparison table.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This configuration indicates the diode array contains two diodes with a shared cathode terminal. The common cathode connection reduces package pin count and simplifies circuit layout. All substitute parts maintain this configuration, ensuring mechanical and electrical compatibility.

Q: Can SBR10150CT be used if current requirements are lower?

A: SBR10150CT provides 5 A per diode current rating, half that of STPS20150CT. This part is suitable only for applications with reduced current requirements where the 5 A rating meets design specifications. Forward voltage is identical (920 mV @ 5 A), and fast recovery speed is maintained. Reverse leakage current is higher (250 µA vs. 5 µA), which may impact circuit performance in sensitive applications.

Q: What is the operating temperature range significance?

A: Operating temperature range defines the thermal environment in which the component functions reliably. STPS20150CT operates to 175°C maximum junction temperature. Some substitute parts (DST20150C, SBR10150CT, MBR20H150CTG) are rated to 150°C maximum. Selection should verify that the application's thermal design does not exceed the substitute part's maximum junction temperature rating.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message