MSRD620CTT4G Equivalent & Substitute Parts

Part Overview

The MSRD620CTT4G is an active general-purpose diode array manufactured by onsemi in the SWITCHMODE™ series. This component features a 1 Pair Common Cathode configuration rated for 200 V DC reverse voltage and 3 A average rectified current per diode. The device is packaged in TO-252-3 DPAK surface mount format with fast recovery characteristics (≤500 ns). Substitute parts are necessary when addressing supply constraints, specific performance requirements, or design optimization needs while maintaining electrical and mechanical compatibility within the allowed parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io) (per Diode)	3	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 3 A	V
Speed	Fast Recovery ≤500 ns, >200 mA (Io)	ns
Reverse Recovery Time (trr)	55	ns
Diode Configuration	1 Pair Common Cathode	—
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	—
Operating Temperature - Junction	-55°C ~ 175°C	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the MSRD620CTT4G is determined by the following mandatory criteria:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 200 V
Diode Configuration: Must be 1 Pair Common Cathode
Current - Average Rectified (Io) (per Diode): Must support minimum 3 A operation
Speed Classification: Must be Fast Recovery (≤500 ns, >200 mA)
Package / Case: Must be TO-252-3, DPAK (2 Leads + Tab), SC-63

Compliance Requirements:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Product Status: Active

Substitute parts may exceed the rated current capacity, offer improved reverse recovery time, or provide enhanced temperature operating ranges, provided all mandatory electrical and mechanical parameters are met or exceeded. Parts with different technologies (Avalanche, Super Barrier, Standard) are acceptable when electrical specifications align with application requirements.

Parameter Comparison

Parameter	MSRD620CTT4G	RURD620CCS9A-F085	SBR6200CTL-13	STTH1002CB	STTH1002CB-TR	STTH802CB-TR	VS-MURD620CTTR-M3
Manufacturer	onsemi	onsemi	Diodes Incorporated	STMicroelectronics	STMicroelectronics	STMicroelectronics	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io) (per Diode)	3 A	6 A	3 A	8 A	8 A	4 A	6 A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 3 A	1 V @ 6 A	850 mV @ 3 A	1.1 V @ 5 A	1.1 V @ 5 A	1.1 V @ 4 A	1.2 V @ 6 A
Speed	Fast Recovery ≤500 ns, >200 mA	Fast Recovery ≤500 ns, >200 mA	Standard Recovery >500 ns, >200 mA	Fast Recovery ≤500 ns, >200 mA	Fast Recovery ≤500 ns, >200 mA	Fast Recovery ≤500 ns, >200 mA	Fast Recovery ≤500 ns, >200 mA
Reverse Recovery Time (trr)	55 ns	30 ns	—	25 ns	25 ns	20 ns	19 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	100 µA @ 200 V	100 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	4 µA @ 200 V	5 µA @ 200 V
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Operating Temperature - Junction	-55°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	175°C (Max)	175°C (Max)	175°C (Max)	-65°C ~ 175°C
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Technology	Standard	Avalanche	Super Barrier	Standard	Standard	Standard	Standard
Qualification	—	AEC-Q101	—	—	AEC-Q101	—	—

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity classification, ensuring compatibility with standard manufacturing and storage protocols.

RURD620CCS9A-F085 (onsemi, Avalanche Technology): Supports 6 A current capacity with AEC-Q101 automotive qualification. Offers 30 ns reverse recovery time and extended operating temperature range (-65°C to 175°C). Suitable for applications requiring higher current handling and automotive-grade reliability.

SBR6200CTL-13 (Diodes Incorporated, Super Barrier Technology): Maintains 3 A current rating with reduced forward voltage (850 mV @ 3 A). Operates at standard recovery speed (>500 ns). Extended temperature range (-65°C to 175°C). Appropriate for applications prioritizing lower forward voltage drop over fast recovery characteristics.

STTH1002CB (STMicroelectronics, Standard Technology): Supports 8 A current capacity with 25 ns reverse recovery time. Packaged in Tube format. Suitable for high-current applications requiring fast switching performance.

STTH1002CB-TR (STMicroelectronics, Standard Technology): Identical electrical specifications to STTH1002CB with 8 A current capacity and 25 ns reverse recovery time. Packaged in Cut Tape (CT) & Digi-Reel® format with AEC-Q101 automotive qualification. Recommended for high-current applications with automotive requirements.

STTH802CB-TR (STMicroelectronics, Standard Technology): Supports 4 A current capacity with 20 ns reverse recovery time. Packaged in Tape & Reel (TR) format. Provides intermediate current rating between MSRD620CTT4G and higher-capacity alternatives.

VS-MURD620CTTR-M3 (Vishay General Semiconductor - Diodes Division, FRED Pt® Series): Supports 6 A current capacity with 19 ns reverse recovery time. Extended operating temperature range (-65°C to 175°C). Offers superior switching performance within the FRED Pt® product line.

Frequently Asked Questions (FAQ)

Q: Can STTH1002CB-TR replace MSRD620CTT4G in all applications?

A: STTH1002CB-TR is electrically compatible as a substitute. It maintains the same 200 V reverse voltage rating and 1 Pair Common Cathode configuration. The 8 A current capacity exceeds the 3 A requirement, and the 25 ns reverse recovery time is faster than the 55 ns specification. However, the higher current rating may result in different thermal characteristics. Verify thermal management and PCB layout compatibility for your specific application.

Q: What is the difference between Fast Recovery and Standard Recovery speed classifications?

A: Fast Recovery diodes (≤500 ns) are designed for high-frequency switching applications and exhibit shorter reverse recovery times, reducing switching losses. Standard Recovery diodes (>500 ns) are suitable for lower-frequency applications. The MSRD620CTT4G is classified as Fast Recovery. SBR6200CTL-13 is classified as Standard Recovery and may not be suitable for high-frequency switching applications despite other compatible parameters.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use the TO-252-3 DPAK (2 Leads + Tab), SC-63 package. However, packaging configurations differ: MSRD620CTT4G is supplied in Tape & Reel (TR), STTH1002CB is supplied in Tube, STTH1002CB-TR and STTH802CB-TR are supplied in Cut Tape (CT) & Digi-Reel®, and others in Tape & Reel (TR). Verify packaging compatibility with your procurement and assembly processes.

Q: Which substitute part offers the lowest forward voltage drop?

A: SBR6200CTL-13 offers the lowest forward voltage drop at 850 mV @ 3 A, compared to MSRD620CTT4G at 1.15 V @ 3 A. This reduction may improve power efficiency in applications sensitive to forward voltage characteristics. However, SBR6200CTL-13 operates at Standard Recovery speed, which may not be suitable for high-frequency switching applications.

Q: Do any substitute parts have automotive qualification?

A: RURD620CCS9A-F085 and STTH1002CB-TR both carry AEC-Q101 automotive qualification. These parts are suitable for automotive applications requiring certified component reliability and traceability.

Q: What is the temperature operating range difference between MSRD620CTT4G and substitute parts?

A: MSRD620CTT4G operates from -55°C to 175°C. RURD620CCS9A-F085, SBR6200CTL-13, and VS-MURD620CTTR-M3 extend the lower temperature limit to -65°C. STTH1002CB, STTH1002CB-TR, and STTH802CB-TR specify only a maximum junction temperature of 175°C without a defined minimum. Verify temperature requirements for your application environment.

Q: Can I use a higher current-rated substitute in a 3 A application?

A: Yes. Substitute parts with higher current ratings (6 A or 8 A) are electrically compatible with 3 A applications. The higher rating provides design margin and may reduce thermal stress. However, verify that PCB thermal design and component placement accommodate the substitute part's thermal characteristics, as higher-rated devices may have different thermal resistance specifications.

Q: What does ROHS3 Compliant mean for component selection?

A: ROHS3 Compliant indicates the component meets Restriction of Hazardous Substances Directive 3 requirements, restricting the use of specific hazardous materials including lead, mercury, cadmium, and certain flame retardants. All listed substitute parts are ROHS3 Compliant, ensuring regulatory compliance for applications subject to environmental and safety standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message