STTH2R06RL Equivalent & Substitute Parts

Part Overview

The STTH2R06RL is a general-purpose rectifier diode manufactured by STMicroelectronics, rated for 600 V DC reverse voltage and 2 A average rectified current in a DO-41 through-hole axial package. This component is classified as a fast recovery diode with a reverse recovery time of 50 ns, suitable for standard rectification applications. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs within the allowed parameter specifications.

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 V @ 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	Through Hole	-
Package / Case	DO-204AL, DO-41, Axial	-
Operating Temperature - Junction	-40 to 175	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the STTH2R06RL is determined by the following critical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 2 A minimum
Mounting Type: Through Hole
Package compatibility: DO-41 or DO-204AL axial configuration
Technology: Standard rectifier diode classification

Secondary Compatibility Factors:

Reverse Recovery Time (trr): Fast recovery classification (≤ 500ns)
Operating Temperature Range: Minimum -40°C to 175°C junction temperature
RoHS Compliance: ROHS3 Compliant status
REACH Status: REACH Unaffected

Parts meeting all primary criteria are classified as parametric equivalents. Parts meeting primary criteria with minor variations in secondary parameters are classified as similar substitutes. The STTH2R06 (STMicroelectronics) qualifies as a parametric equivalent with identical electrical specifications. The MUR260RLG (onsemi) and SBYV26C-E3/73 (Vishay) qualify as similar substitutes with acceptable parameter variations within engineering tolerance.

Parameter Comparison

Parameter	STTH2R06RL (Main)	STTH2R06 (Parametric Equivalent)	MUR260RLG (Similar Substitute)	SBYV26C-E3/73 (Similar Substitute)
Manufacturer	STMicroelectronics	STMicroelectronics	onsemi	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	2 A	2 A	2 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 2 A	1.7 V @ 2 A	1.35 V @ 2 A	2.5 V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	50 ns	50 ns	75 ns	30 ns
Current - Reverse Leakage @ Vr	2 µA @ 600 V	2 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Supplier Device Package	DO-41	DO-41	Axial	DO-204AL (DO-41)
Operating Temperature - Junction	-40 to 175°C	-40 to 175°C	-65 to 175°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

STTH2R06 (Parametric Equivalent): The STTH2R06 is a direct parametric equivalent to the STTH2R06RL, manufactured by STMicroelectronics. All electrical specifications, thermal ratings, and compliance certifications are identical. This part is suitable for direct substitution with no design modifications required. Higher inventory availability (441,200 pcs) supports supply chain flexibility.

MUR260RLG (Similar Substitute): The MUR260RLG manufactured by onsemi meets the primary voltage and current requirements with 600 V reverse voltage and 2 A average rectified current. The forward voltage is lower (1.35 V @ 2 A versus 1.7 V @ 2 A), resulting in reduced power dissipation. Reverse recovery time is slightly extended (75 ns versus 50 ns), remaining within fast recovery classification. Reverse leakage current is higher (5 µA versus 2 µA). Operating temperature range extends to -65°C minimum. All compliance certifications are maintained. This part is suitable for applications where lower forward voltage drop is beneficial and the extended reverse recovery time is acceptable.

SBYV26C-E3/73 (Similar Substitute): The SBYV26C-E3/73 manufactured by Vishay General Semiconductor is rated for 600 V reverse voltage but with 1 A average rectified current, representing a 50% reduction in current capacity compared to the main part. This part is suitable only for applications where the circuit current requirement does not exceed 1 A. Forward voltage is higher (2.5 V @ 1 A). Reverse recovery time is faster (30 ns). All compliance certifications are maintained. This part is not suitable for direct substitution in circuits requiring 2 A operation.

Frequently Asked Questions (FAQ)

Q: Can STTH2R06 be used as a direct replacement for STTH2R06RL?

A: Yes. The STTH2R06 is a parametric equivalent with identical electrical specifications, thermal ratings, and compliance status. No design modifications are required for direct substitution.

Q: What are the key differences between STTH2R06RL and MUR260RLG?

A: Both parts share identical 600 V reverse voltage and 2 A current ratings. The MUR260RLG has lower forward voltage (1.35 V versus 1.7 V), slightly longer reverse recovery time (75 ns versus 50 ns), and higher reverse leakage current (5 µA versus 2 µA). The MUR260RLG operating temperature range extends to -65°C minimum. Both are fast recovery diodes suitable for rectification applications.

Q: Is SBYV26C-E3/73 suitable for all applications using STTH2R06RL?

A: No. The SBYV26C-E3/73 is rated for 1 A average rectified current, which is 50% of the STTH2R06RL rating. This part is suitable only for circuits with maximum current requirements not exceeding 1 A. For applications requiring 2 A operation, this part is not appropriate.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. STTH2R06, MUR260RLG, and SBYV26C-E3/73 are all ROHS3 Compliant with REACH Unaffected status, matching the compliance profile of the STTH2R06RL.

Q: What is the difference between DO-41 and DO-204AL packaging?

A: DO-41 and DO-204AL are equivalent designations for the same axial through-hole package used for rectifier diodes. Both refer to the same physical form factor with axial leads suitable for through-hole PCB mounting.

Q: Which substitute part has the lowest power dissipation?

A: The MUR260RLG has the lowest forward voltage drop at 1.35 V @ 2 A, resulting in lower power dissipation compared to the STTH2R06RL (1.7 V @ 2 A) and SBYV26C-E3/73 (2.5 V @ 1 A).

Q: Can reverse recovery time differences affect circuit performance?

A: Reverse recovery time differences (STTH2R06RL: 50 ns, MUR260RLG: 75 ns, SBYV26C-E3/73: 30 ns) are within the fast recovery classification (≤ 500ns). Selection depends on specific circuit switching frequency and EMI requirements. All three parts are classified as fast recovery diodes suitable for standard rectification applications.

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