DSR8V600 Equivalent & Substitute Parts

Part Overview

The DSR8V600 is a general-purpose rectifier diode rated for 600 V DC reverse voltage and 8 A average rectified current in a Through Hole TO-220AC package. Manufactured by Diodes Incorporated under the DIODESTAR™ series, this component is classified as Obsolete. Due to its obsolete status and limited availability relative to active alternatives, equivalent substitute parts are necessary to maintain design continuity and ensure long-term supply chain reliability for applications requiring 600 V, 8 A rectification capability.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	8	A
Voltage - Forward (Vf) (Max) @ If	3.2 V @ 8 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	23	ns
Current - Reverse Leakage @ Vr	20	µA @ 600 V
Mounting Type	Through Hole	—
Package / Case	TO-220-2	—
Operating Temperature - Junction	-65 to 175	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the DSR8V600 are selected based on the following critical parameters that determine functional equivalence:

Primary Selection Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 8 A minimum
Mounting Type: Through Hole
Package / Case: TO-220-2 or TO-220AC compatible
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Secondary Compatibility Factors:

Forward voltage drop (Vf) at rated current
Reverse recovery time (trr)
Reverse leakage current
Operating temperature range
Regulatory compliance (RoHS, REACH, ECCN)

Parts meeting or exceeding these parameters in all critical categories are classified as direct substitutes. Parts with higher current ratings (15 A) remain functionally compatible for 8 A applications. Variations in forward voltage, reverse recovery time, and leakage current are acceptable provided they do not degrade circuit performance.

Parameter Comparison

Parameter	DSR8V600 (Diodes Inc.)	BYR29-600,127 (WeEn Semi.)	MUR1560G (onsemi)	SDUR860 (SMC Diode)	STTH806DTI (STMicroelectronics)
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	8 A	8 A	15 A	—	8 A
Voltage - Forward (Vf) (Max) @ If	3.2 V @ 8 A	1.5 V @ 8 A	1.5 V @ 15 A	1.7 V @ 8 A	3.6 V @ 8 A
Speed	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns
Reverse Recovery Time (trr)	23 ns	75 ns	60 ns	50 ns	30 ns
Current - Reverse Leakage @ Vr	20 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	5 µA @ 600 V	10 µA @ 600 V
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-2	TO-220-2	TO-220-2	TO-220-2	TO-220-2 Insulated
Operating Temperature - Junction	-65 to 175 °C	150 °C (Max)	-65 to 175 °C	-55 to 150 °C	175 °C (Max)
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: BYR29-600,127 (WeEn Semiconductors)

The BYR29-600,127 is an active, RoHS-compliant alternative with identical voltage and current ratings. It provides superior forward voltage performance (1.5 V vs. 3.2 V at 8 A), reducing power dissipation. This part is suitable for applications where thermal management is a design consideration. Operating temperature maximum of 150 °C is lower than the original; verify compatibility with application thermal requirements.

Secondary Substitute: MUR1560G (onsemi)

The MUR1560G is rated for 15 A average rectified current, exceeding the 8 A requirement. It maintains 600 V reverse voltage rating and offers excellent forward voltage characteristics (1.5 V @ 15 A). This part provides design margin for current capacity and is manufactured under the active SWITCHMODE™ series with ROHS3 compliance and full temperature range (-65 to 175 °C). Suitable for applications requiring higher current headroom or extended temperature operation.

Tertiary Substitute: SDUR860 (SMC Diode Solutions)

The SDUR860 provides 600 V reverse voltage with fast recovery characteristics and superior reverse leakage performance (5 µA vs. 20 µA). Forward voltage is 1.7 V @ 8 A. Operating temperature range is -55 to 150 °C. This part is ROHS3 and REACH-compliant. Current rating is not specified; verify against application requirements before selection.

Quaternary Substitute: STTH806DTI (STMicroelectronics)

The STTH806DTI is an insulated TO-220AC variant rated for 600 V and 8 A with ROHS3 compliance. Forward voltage is 3.6 V @ 8 A, slightly higher than the original. Reverse recovery time is 30 ns. The insulated package variant may be required for applications with specific isolation or thermal management requirements. Operating temperature maximum is 175 °C.

Compliance and Availability:

All substitute parts maintain RoHS3 compliance and are currently in active production status, ensuring long-term supply chain availability. The DSR8V600 is obsolete; transition to an active substitute is recommended for new designs and ongoing production.

Frequently Asked Questions (FAQ)

Q: Can the MUR1560G (15 A) be used as a direct replacement for the DSR8V600 (8 A)?

A: Yes. The MUR1560G meets or exceeds all critical parameters: 600 V reverse voltage, 8 A minimum current capacity (rated for 15 A), Through Hole TO-220-2 package, and fast recovery characteristics. The higher current rating provides design margin without compromising circuit function. Verify thermal management is adequate for the application.

Q: What is the difference between TO-220-2 and TO-220AC packaging?

A: Both designations refer to the same two-lead Through Hole package form factor. TO-220AC is a supplier-specific designation; TO-220-2 is the standardized package classification. All listed substitutes are mechanically and electrically compatible in this package.

Q: Why does the BYR29-600,127 have a lower maximum operating temperature (150 °C) than the original DSR8V600 (175 °C)?

A: Operating temperature maximum is a device-specific rating determined by the manufacturer's design and qualification. The BYR29-600,127 is rated to 150 °C maximum junction temperature. For applications requiring operation above 150 °C, select MUR1560G or STTH806DTI, both rated to 175 °C.

Q: Is the STTH806DTI insulated package variant compatible with standard TO-220AC footprints?

A: The STTH806DTI is supplied in an insulated TO-220AC package variant. It is mechanically compatible with standard TO-220-2 footprints. The insulation layer does not affect electrical performance or pin compatibility. Verify thermal interface material compatibility if the application uses thermal coupling to a heatsink.

Q: What is the significance of reverse recovery time (trr) differences among substitutes?

A: Reverse recovery time affects switching speed and switching losses in rectifier circuits. The DSR8V600 has 23 ns trr; substitutes range from 30 ns to 75 ns. Longer recovery times increase reverse current transients during switching. For high-frequency switching applications, select STTH806DTI (30 ns) or SDUR860 (50 ns). For standard rectification, all substitutes are acceptable.

Q: Are all substitute parts REACH-compliant?

A: BYR29-600,127 and SDUR860 are REACH-Affected. MUR1560G is REACH-Unaffected. STTH806DTI is REACH-Unaffected. Verify REACH compliance requirements for your application and supply chain jurisdiction before final part selection.

Q: Can the DSR8V600 be restocked, or must a substitute be selected?

A: The DSR8V600 is classified as Obsolete. Restocking is not recommended for new designs or long-term production. Select an active substitute from the provided list to ensure supply chain continuity and manufacturer support.

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