48CTQ060STRL Equivalent & Substitute Parts

Part Overview

The 48CTQ060STRL is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 60 V DC reverse voltage and 20 A average rectified current per diode. The device is packaged in a TO-263-3 D2PAK surface mount package with fast recovery characteristics (≤500 ns).

The 48CTQ060STRL is classified as obsolete. Locating equivalent and substitute parts is necessary to support ongoing production requirements, maintenance operations, and design continuity where this component was originally specified.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io) (per Diode)	20 A
Voltage - Forward (Vf) (Max) @ If	610 mV @ 20 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 48CTQ060STRL is determined by the following critical parameters:

Mandatory Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 60 V
Mounting Type: Surface Mount
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)

Current Rating Consideration: The 48CTQ060STRL is rated for 20 A average rectified current per diode. Substitute parts are grouped by current rating capacity. Parts rated at 20 A provide direct equivalence. Parts rated below 20 A (15 A or 10 A) are suitable substitutes only where circuit design permits operation at reduced current capacity.

Compliance Consideration: The original part is RoHS non-compliant. Active substitute parts are ROHS3 compliant, reflecting current regulatory standards for new component procurement.

Parameter Comparison

Parameter	48CTQ060STRL (Vishay)	STPS41L60CG-TR (STMicroelectronics)	STPS30L60CG-TR (STMicroelectronics)	NRVBB30H60CTT4G (onsemi)	STPS20L60CG-TR (STMicroelectronics)
Manufacturer	Vishay General Semiconductor	STMicroelectronics	STMicroelectronics	onsemi	STMicroelectronics
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V	60 V
Current - Average Rectified (Io) (per Diode)	20 A	20 A	15 A	15 A	10 A
Voltage - Forward (Vf) (Max) @ If	610 mV @ 20 A	600 mV @ 20 A	600 mV @ 15 A	620 mV @ 15 A	600 mV @ 10 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	2 mA @ 60 V	600 µA @ 60 V	480 µA @ 60 V	300 µA @ 60 V	350 µA @ 60 V
Operating Temperature - Junction (Max)	150°C	150°C	150°C	175°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (20 A Rating):

The STPS41L60CG-TR manufactured by STMicroelectronics is the primary direct equivalent to the 48CTQ060STRL. Both components share identical voltage and current ratings (60 V, 20 A), matching diode configuration, package type, and fast recovery speed characteristics. The STPS41L60CG-TR is in active production status with ROHS3 compliance, ensuring long-term availability and regulatory alignment. This part is suitable for direct substitution in applications requiring the full 20 A current capacity.

Alternative Equivalents (Reduced Current Rating):

The STPS30L60CG-TR and NRVBB30H60CTT4G are rated for 15 A average rectified current per diode. Both maintain the 60 V voltage rating, common cathode configuration, D2PAK package, and fast recovery speed. These parts are suitable for applications where circuit design permits operation at 15 A or lower current levels. The NRVBB30H60CTT4G offers an extended maximum junction temperature rating of 175°C compared to 150°C for other alternatives.

The STPS20L60CG-TR is rated for 10 A average rectified current per diode. This part is suitable only for applications where the circuit design accommodates 10 A or lower current operation.

Compliance and Availability:

All substitute parts listed are in active production status with ROHS3 compliance. The original 48CTQ060STRL is obsolete and RoHS non-compliant. Selection of an active, compliant substitute part ensures design continuity and regulatory compliance for new production and long-term support.

Frequently Asked Questions (FAQ)

Q: Can the STPS41L60CG-TR directly replace the 48CTQ060STRL in all applications?

A: The STPS41L60CG-TR is a direct equivalent based on electrical and mechanical parameters. Both components share identical voltage ratings (60 V), current ratings (20 A per diode), diode configuration (1 Pair Common Cathode), package type (TO-263-3 D2PAK), and fast recovery speed characteristics. Direct substitution is valid from an electrical and mechanical standpoint.

Q: What is the difference between the 20 A, 15 A, and 10 A rated alternatives?

A: The current rating indicates the maximum average rectified current per diode that the component can safely conduct. The 48CTQ060STRL and STPS41L60CG-TR are rated for 20 A. The STPS30L60CG-TR and NRVBB30H60CTT4G are rated for 15 A. The STPS20L60CG-TR is rated for 10 A. Selection depends on the actual current requirements of the application. Parts with lower current ratings are suitable only where circuit design permits operation below their rated capacity.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All substitute parts listed use the TO-263-3 D2PAK package with identical pin configuration (2 Leads + Tab). PCB footprints designed for the 48CTQ060STRL are compatible with all listed substitute parts.

Q: What is the significance of RoHS compliance for these parts?

A: The original 48CTQ060STRL is RoHS non-compliant. All substitute parts are ROHS3 compliant, meeting current regulatory requirements for electronic component manufacturing and procurement. For new designs and production, ROHS3 compliant parts are required in most markets.

Q: How do the forward voltage characteristics compare?

A: The 48CTQ060STRL specifies 610 mV maximum forward voltage at 20 A. The STPS41L60CG-TR specifies 600 mV at 20 A, representing a marginal improvement. The STPS30L60CG-TR and NRVBB30H60CTT4G specify 600 mV and 620 mV respectively at their 15 A rating. The STPS20L60CG-TR specifies 600 mV at 10 A. Forward voltage characteristics are comparable across all alternatives.

Q: What is the difference in reverse leakage current between these parts?

A: The 48CTQ060STRL specifies 2 mA reverse leakage at 60 V. Substitute parts specify lower reverse leakage: NRVBB30H60CTT4G at 300 µA, STPS30L60CG-TR at 480 µA, STPS20L60CG-TR at 350 µA, and STPS41L60CG-TR at 600 µA. Lower reverse leakage in substitute parts reflects improvements in Schottky diode technology.

Q: Are there inventory considerations for these substitute parts?

A: The STPS41L60CG-TR has the highest inventory availability at 800,100 pieces. The STPS30L60CG-TR has 3,300 pieces available. The NRVBB30H60CTT4G has 2,900 pieces available. The STPS20L60CG-TR has 2,228 pieces available. The original 48CTQ060STRL has 997 pieces available but is obsolete. For long-term supply assurance, active production parts with higher inventory levels are preferred.

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