STPS30M60CT Equivalent & Substitute Parts

Part Overview

The STPS30M60CT is a Schottky diode array manufactured by STMicroelectronics, configured as 1 pair common cathode with 60 V reverse voltage rating and 15 A average rectified current per diode. The device is packaged in TO-220-3 through-hole format and is classified as obsolete. Due to its obsolete product status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and system maintenance. Alternative components with matching or superior electrical characteristics and compatible packaging are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io) (per Diode)	15	A
Voltage - Forward (Vf) (Max) @ If	590 mV @ 15 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	80 µA @ 60 V	—
Operating Temperature - Junction (Max)	150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the STPS30M60CT is determined by the following critical parameters:

Primary Substitution Criteria:

Diode configuration: 1 pair common cathode
Voltage rating: 60 V DC reverse (Vr) minimum
Current rating: 15 A average rectified (Io) minimum per diode
Technology: Schottky or Super Barrier rectifier
Mounting type: Through hole
Package compatibility: TO-220-3 or equivalent footprint

Substitution Categories:

Direct Equivalents (Identical Electrical and Package Specifications): Parts meeting all primary criteria with matching 60 V / 15 A ratings and TO-220-3 packaging.

Manufacturer Recommended Substitutes (Enhanced Specifications): Parts with superior voltage or temperature ratings from the same manufacturer, maintaining backward compatibility.

Cross-Manufacturer Direct Substitutes (Equivalent Performance): Parts from alternative manufacturers with identical electrical specifications and compatible packaging.

Parametric Equivalents (Different Package): Parts with matching electrical specifications but alternative through-hole packaging (TO-247-3), suitable for applications where package footprint flexibility exists.

Similar Parts (Reduced Current Rating): Parts with 60 V voltage rating but lower current capacity (5 A), applicable only in current-limited applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [A]	Vf (Max) @ If [mV]	Reverse Leakage @ Vr [µA]	Tj (Max) [°C]	Package	Product Status
STPS30M60CT	STMicroelectronics	60	15	590 @ 15 A	80 @ 60 V	150	TO-220-3	Obsolete
STPS30M80CT	STMicroelectronics	80	15	745 @ 15 A	40 @ 80 V	175	TO-220-3	Active
30CTQ060	SMC Diode Solutions	60	15	620 @ 15 A	1000 @ 60 V	175	TO-220-3	Active
DST3060LC	Littelfuse Inc.	60	15	550 @ 15 A	300 @ 60 V	125	TO-220-3	Active
MBR3060CT	Taiwan Semiconductor Corporation	60	30	770 @ 15 A	200 @ 60 V	150	TO-220-3	Active
MBR3060CTP	Diodes Incorporated	60	15	750 @ 15 A	100 @ 60 V	175	TO-220-3 Isolated Tab	Obsolete
SBR3060CT	Diodes Incorporated	60	15	700 @ 15 A	500 @ 60 V	150	TO-220-3	Active
MBR1060CT-G1	Diodes Incorporated	60	5	750 @ 5 A	100 @ 60 V	150	TO-220-3	Active
SBR30A60CT	Diodes Incorporated	60	15	600 @ 15 A	500 @ 60 V	150	TO-220-3	Active
SBR30A60CT-G	Diodes Incorporated	60	15	600 @ 15 A	500 @ 60 V	150	TO-220-3	Active
SBM3060VPT_T0_00001	Panjit International Inc.	60	15	590 @ 15 A	220 @ 60 V	150	TO-247-3	Active

Engineering Selection Recommendations

For Direct Replacement (Obsolete to Active Transition):

The STPS30M60CT is obsolete. Direct electrical equivalents with active product status include DST3060LC (Littelfuse Inc.), SBR30A60CT (Diodes Incorporated), and SBR30A60CT-G (Diodes Incorporated). These parts maintain the 60 V / 15 A specifications and TO-220-3 packaging. All three are ROHS3 compliant and carry MSL 1 rating.

For Enhanced Performance (Voltage Margin):

STPS30M80CT (STMicroelectronics) provides 80 V reverse voltage rating with identical 15 A current capacity and TO-220-3 packaging. This part offers increased voltage margin and higher maximum junction temperature (175°C vs. 150°C). Product status is active with ROHS3 compliance.

For Higher Current Capacity:

MBR3060CT (Taiwan Semiconductor Corporation) maintains 60 V voltage rating but provides 30 A average rectified current per diode, doubling the current capacity. Package remains TO-220-3. Product status is active with ROHS3 compliance.

For Alternative Packaging (TO-247-3):

SBM3060VPT_T0_00001 (Panjit International Inc.) provides identical 60 V / 15 A electrical specifications with TO-247-3 through-hole packaging. This option is suitable for applications where larger package footprint is acceptable or preferred. Product status is active with ROHS3 compliance.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity). REACH status varies: REACH Unaffected parts (STPS30M80CT, DST3060LC, MBR3060CT, SBR3060CT, SBR30A60CT, SBR30A60CT-G, SBM3060VPT_T0_00001) are preferred for applications with REACH requirements. Part 30CTQ060 and MBR3060CTP carry REACH Affected status.

Frequently Asked Questions (FAQ)

Q: Can STPS30M80CT replace STPS30M60CT in all applications?

A: STPS30M80CT is electrically compatible as a direct substitute. The 80 V rating provides higher voltage margin than the original 60 V specification. Forward voltage drop increases from 590 mV to 745 mV at 15 A, and reverse leakage decreases from 80 µA to 40 µA. Maximum junction temperature increases from 150°C to 175°C. Substitution is valid for applications operating at or below 60 V.

Q: What is the difference between Schottky and Super Barrier technology in these parts?

A: Both technologies are fast recovery rectifiers. Schottky diodes (STPS30M60CT, 30CTQ060, DST3060LC, MBR3060CT, MBR3060CTP, SBM3060VPT_T0_00001) and Super Barrier diodes (SBR3060CT, SBR30A60CT, SBR30A60CT-G) meet the fast recovery specification (≤500ns). Super Barrier devices typically exhibit lower forward voltage drop and reduced reverse leakage. Both are suitable for high-frequency switching applications.

Q: Is MBR3060CT a valid substitute despite its 30 A rating?

A: MBR3060CT is electrically compatible for applications requiring 15 A or less. The 30 A rating indicates higher current capacity, not a requirement to operate at 30 A. The device maintains 60 V voltage rating, TO-220-3 packaging, and fast recovery characteristics. This part is suitable for designs with potential future current scaling or where higher current margin is desired.

Q: Can MBR1060CT-G1 replace STPS30M60CT?

A: MBR1060CT-G1 is not a direct substitute. This part is rated for 5 A average rectified current, compared to the 15 A requirement of STPS30M60CT. Voltage rating (60 V) and package (TO-220-3) are compatible, but current capacity is insufficient for applications requiring 15 A operation.

Q: What is the significance of the isolated tab in MBR3060CTP?

A: MBR3060CTP features TO-220-3 Isolated Tab (ITO-220S) packaging, where the tab is electrically isolated from the die. This differs from standard TO-220-3 where the tab is connected to the cathode. Isolated tab packaging is used in applications requiring electrical isolation between the device and heatsink. MBR3060CTP is obsolete; active alternatives with standard TO-220-3 packaging are recommended.

Q: Why does SBM3060VPT_T0_00001 use TO-247-3 packaging instead of TO-220-3?

A: TO-247-3 is a larger through-hole package than TO-220-3, offering improved thermal performance and higher current handling capability in the same footprint class. Electrical specifications (60 V / 15 A) are identical to STPS30M60CT. TO-247-3 substitution is valid only if PCB layout accommodates the larger package dimensions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status. REACH status varies: most parts are REACH Unaffected. Parts 30CTQ060 and MBR3060CTP are REACH Affected. Verify REACH compliance requirements for your specific application before selection.

Q: What is the impact of reverse leakage current differences among substitutes?

A: Reverse leakage varies from 40 µA (STPS30M80CT) to 1000 µA (30CTQ060) at rated voltage. Lower leakage reduces standby power dissipation and heat generation. Applications with stringent leakage requirements should prioritize STPS30M80CT (40 µA) or DST3060LC (300 µA). Higher leakage parts remain functional but may increase thermal load in standby conditions.

Q: Can forward voltage drop differences affect circuit performance?

A: Forward voltage drop ranges from 550 mV (DST3060LC) to 770 mV (MBR3060CT) at 15 A. In rectifier applications, this affects voltage regulation and efficiency. Lower Vf (DST3060LC, STPS30M60CT, SBM3060VPT_T0_00001) reduces power loss. Higher Vf parts (MBR3060CT, MBR3060CTP) increase dissipation. Select based on circuit voltage budget and thermal constraints.

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