STTH2R06S Equivalent & Substitute Parts

Part Overview

The STTH2R06S is a general-purpose rectifier diode manufactured by STMicroelectronics, rated for 600 V DC reverse voltage and 2 A average rectified current in a surface mount SMC (DO-214AB) package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, manufacturing discontinuation, or design flexibility needs across multiple suppliers.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 2 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	2	µA @ 600 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-40 to 175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the STTH2R06S are grouped based on the following substitution criteria:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 600 V
Package / Case: Must be DO-214AB, SMC (surface mount)
Mounting Type: Must be Surface Mount
RoHS Status: Must be ROHS3 Compliant
Technology: Must be Standard

Secondary Compatibility Factors:

Current - Average Rectified (Io): Substitute parts rated at 2 A or higher are compatible
Voltage - Forward (Vf): Substitute parts with equal or lower forward voltage are compatible
Speed Classification: Fast Recovery or Standard Recovery classifications are both acceptable
Operating Temperature Range: Substitute parts must support the application's required temperature range
Reverse Recovery Time (trr): Lower values indicate faster switching characteristics

Substitute parts are organized into two categories:

Category 1 - Direct Current Rating Equivalents (3 A rated): Parts with 3 A current rating provide direct substitution with increased current margin. These include ER3J-TP, MURS360T3G, RS3J-13-F, S3J, S3J-13-F, and S3J-TP.

Category 2 - Higher Current Rating Equivalents (5 A and 6 A rated): Parts with 5 A or 6 A current ratings provide substitution with additional current capacity. These include S5JC-13-F and SMLJ60S6-TP.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (°C)	Package
STTH2R06S	STMicroelectronics	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	50	2 @ 600 V	-40 to 175	DO-214AB, SMC
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	-50 to 175	DO-214AB, SMC
MURS360T3G	onsemi	600	3	1.25 @ 3 A	Fast Recovery ≤ 500ns	75	10 @ 600 V	-65 to 175	DO-214AB, SMC
RS3J-13-F	Diodes Incorporated	600	3	1.3 @ 3 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	-65 to 150	DO-214AB, SMC
S3J	Diotec Semiconductor	600	3	1.15 @ 3 A	Standard Recovery >500ns	1500	5 @ 600 V	-50 to 150	DO-214AB, SMC
S3J-13-F	Diodes Incorporated	600	3	1.15 @ 3 A	Standard Recovery >500ns	—	10 @ 600 V	-65 to 150	DO-214AB, SMC
S3J-TP	Micro Commercial Co	600	3	1.2 @ 3 A	Standard Recovery >500ns	—	10 @ 600 V	-55 to 150	DO-214AB, SMC
S5JC-13-F	Diodes Incorporated	600	5	1.15 @ 5 A	Standard Recovery >500ns	—	10 @ 600 V	-65 to 150	DO-214AB, SMC
S5JL-TP	Micro Commercial Co	600	5	1.2 @ 5 A	Standard Recovery >500ns	—	10 @ 600 V	-55 to 150	DO-214AB, SMC
SMLJ60S6-TP	Micro Commercial Co	600	6	1.0 @ 6 A	Standard Recovery >500ns	—	5 @ 600 V	-55 to 150	DO-214AB, SMC

Engineering Selection Recommendations

Compliance and Certification Alignment:

All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, consistent with the STTH2R06S. All parts are classified as Active product status, ensuring ongoing availability and manufacturing support.

Fast Recovery vs. Standard Recovery Selection:

The STTH2R06S is classified as Fast Recovery with 50 ns reverse recovery time. Substitute parts ER3J-TP and MURS360T3G maintain Fast Recovery classification. Parts S3J, S3J-13-F, S3J-TP, S5JC-13-F, S5JL-TP, and SMLJ60S6-TP are classified as Standard Recovery with longer reverse recovery times. Selection between Fast Recovery and Standard Recovery substitutes depends on circuit switching frequency requirements and electromagnetic interference considerations.

Current Rating Considerations:

The STTH2R06S is rated for 2 A average rectified current. All substitute parts are rated at 3 A or higher, providing increased current capacity margin. Higher-rated parts (5 A and 6 A) offer additional thermal and electrical margin but do not degrade performance in 2 A applications.

Temperature Range Compatibility:

The STTH2R06S operates from -40°C to 175°C. Substitute parts with extended lower temperature limits (-50°C, -55°C, -65°C) are compatible. Parts with reduced upper temperature limits (150°C) are compatible for applications not requiring the full 175°C maximum junction temperature.

Forward Voltage Characteristics:

The STTH2R06S specifies 1.7 V maximum forward voltage at 2 A. Substitute parts with lower forward voltage specifications (1.0 V to 1.3 V) reduce power dissipation and heat generation. This characteristic is beneficial in high-frequency or high-current applications.

Packaging and Inventory:

All substitute parts use DO-214AB SMC surface mount packaging, ensuring mechanical and thermal compatibility. Packaging format (Cut Tape, Digi-Reel, or Tape & Reel) affects procurement and assembly processes but does not affect electrical performance.

Frequently Asked Questions (FAQ)

Q: Can I use a 3 A rated diode as a substitute for the 2 A STTH2R06S?

A: Yes. The 3 A rated substitute parts (ER3J-TP, MURS360T3G, RS3J-13-F, S3J, S3J-13-F, S3J-TP) are electrically and mechanically compatible. The higher current rating provides additional margin without degrading circuit performance. All maintain 600 V reverse voltage rating and DO-214AB SMC packaging.

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

A: Fast Recovery diodes have reverse recovery times of 50 ns to 75 ns and are optimized for high-frequency switching applications. Standard Recovery diodes have reverse recovery times exceeding 500 ns and are suitable for lower-frequency rectification. The STTH2R06S is Fast Recovery. Substitute parts ER3J-TP and MURS360T3G maintain Fast Recovery classification. Other substitutes use Standard Recovery technology.

Q: Are there any temperature range limitations when substituting parts?

A: The STTH2R06S operates from -40°C to 175°C. Substitute parts with reduced upper temperature limits (150°C) are compatible for applications not requiring operation above 150°C. Substitute parts with extended lower temperature limits (-50°C to -65°C) are compatible for all applications within the STTH2R06S range.

Q: Does forward voltage difference affect circuit performance?

A: Forward voltage affects power dissipation and heat generation. The STTH2R06S specifies 1.7 V at 2 A. Substitute parts with lower forward voltage (1.0 V to 1.3 V) reduce power loss. In low-power applications, this difference is negligible. In high-current or high-frequency applications, lower forward voltage reduces thermal stress.

Q: Can I use a 5 A or 6 A rated diode in place of the 2 A STTH2R06S?

A: Yes. Parts S5JC-13-F (5 A), S5JL-TP (5 A), and SMLJ60S6-TP (6 A) are electrically and mechanically compatible. Higher current ratings provide increased thermal margin and do not degrade performance in 2 A applications. All maintain 600 V reverse voltage rating and DO-214AB SMC packaging.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in Cut Tape (CT) & Digi-Reel® format or Tape & Reel (TR) format. Both formats use DO-214AB SMC surface mount packaging. Packaging format affects procurement and assembly processes but does not affect electrical or thermal performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH Unaffected, consistent with the STTH2R06S. All parts maintain Active product status.

Q: What is the significance of reverse leakage current specifications?

A: Reverse leakage current (Ir) is the small current flowing through the diode in reverse bias condition. The STTH2R06S specifies 2 µA at 600 V. Substitute parts specify 5 µA to 10 µA at 600 V. Higher leakage current increases standby power consumption but does not affect forward rectification performance in typical applications.

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