ER1J-LTP Equivalent & Substitute Parts

Part Overview

The ER1J-LTP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 600 V DC reverse voltage and 1 A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as Active and RoHS3 Compliant. Substitute parts are identified based on matching or exceeding the electrical specifications and package compatibility requirements of the original device. Alternative components may be necessary due to inventory availability, lead time constraints, or specific application requirements within the allowed parameter ranges.

Substiute Parts

ER1J-LTP

Micro Commercial CoIn Stock: 1033ER1J-LTP Datasheet

Current PartRFQ

ES1J_R1_00001

Panjit International Inc.In Stock: 32482ES1J_R1_00001 Datasheet

SimilarRFQ

MURS160

Good-Ark SemiconductorIn Stock: 95357MURS160 Datasheet

SimilarRFQ

MURS160T3G

onsemiIn Stock: 505373MURS160T3G Datasheet

SimilarRFQ

MURS260-E3/52T

Vishay General Semiconductor - Diodes DivisionIn Stock: 1872MURS260-E3/52T Datasheet

SimilarRFQ

STTH1L06U

STMicroelectronicsIn Stock: 6645STTH1L06U Datasheet

SimilarRFQ

STTH1R06U

STMicroelectronicsIn Stock: 81581STTH1R06U Datasheet

SimilarRFQ

STTH2L06U

STMicroelectronicsIn Stock: 35392STTH2L06U Datasheet

SimilarRFQ

STTH2R06U

STMicroelectronicsIn Stock: 20004STTH2R06U Datasheet

SimilarRFQ

STTH3L06U

STMicroelectronicsIn Stock: 18378STTH3L06U Datasheet

SimilarRFQ

STTH3R06U

STMicroelectronicsIn Stock: 10135STTH3R06U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ER1J-LTP are grouped based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 600 V
• Current - Average Rectified (Io): Must equal or exceed 1 A
• Package / Case: Must be DO-214AA (SMB) or compatible surface mount package
• Mounting Type: Surface Mount required
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Grouping Logic:

Group 1 - Direct Equivalents (1 A Rating, DO-214AA/SMB Package): Parts with 600 V, 1 A specifications in DO-214AA or SMB package. These provide identical current handling with equivalent or superior electrical characteristics.

Group 2 - Higher Current Alternatives (2 A Rating, DO-214AA/SMB Package): Parts rated for 600 V, 2 A in DO-214AA or SMB package. These provide increased current capacity while maintaining voltage compatibility and package form factor.

Group 3 - Higher Current Alternatives (3 A Rating, DO-214AA/SMB Package): Parts rated for 600 V, 3 A in DO-214AA or SMB package. These provide maximum current capacity within the SMB package family.

Group 4 - Package Variant (1 A Rating, DO-214AC/SMA Package): Parts with 600 V, 1 A specifications in DO-214AC (SMA) package. These offer electrical equivalence with a different surface mount package footprint.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and RoHS3 Compliance, meeting the regulatory and environmental requirements of the original ER1J-LTP component.

For Direct Current Equivalence (1 A Applications): MURS160T3G (onsemi), STTH1L06U (STMicroelectronics), and STTH1R06U (STMicroelectronics) provide 1 A rated current in DO-214AA (SMB) packages. STTH1R06U matches the forward voltage specification of the ER1J-LTP at 1.7 V @ 1 A. STTH1L06U offers reduced forward voltage at 1.3 V @ 1 A, resulting in lower power dissipation. MURS160T3G provides intermediate forward voltage at 1.25 V @ 1 A.

For Increased Current Capacity (2 A Applications): MURS260-E3/52T (Vishay), STTH2L06U (STMicroelectronics), and STTH2R06U (STMicroelectronics) provide 2 A rated current in DO-214AA (SMB) packages. These parts maintain 600 V reverse voltage rating and are suitable for applications requiring higher current handling within the same package footprint.

For Maximum Current Capacity (3 A Applications): STTH3L06U (STMicroelectronics) and STTH3R06U (STMicroelectronics) provide 3 A rated current in DO-214AA (SMB) packages. STTH3R06U matches the 35 ns reverse recovery time of the ER1J-LTP, while STTH3L06U offers reduced forward voltage at 1.3 V @ 3 A.

For Package Variant (SMA/DO-214AC): ES1J_R1_00001 (Panjit International Inc.) provides 1 A rated current with 600 V reverse voltage in a DO-214AC (SMA) package. This part is suitable for applications where SMA package footprint is required or preferred, with equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can MURS160T3G be used as a direct replacement for ER1J-LTP?

A: MURS160T3G is electrically compatible with ER1J-LTP for 1 A applications. Both parts are rated 600 V, 1 A with DO-214AA (SMB) package. MURS160T3G has a lower forward voltage (1.25 V @ 1 A versus 1.7 V @ 1 A), resulting in reduced power dissipation. The reverse recovery time differs (75 ns versus 35 ns), which may affect switching performance in high-frequency applications.

Q: What is the difference between STTH1L06U and STTH1R06U?

A: Both parts are rated 600 V, 1 A in DO-214AA (SMB) package. STTH1L06U has a forward voltage of 1.3 V @ 1 A and reverse recovery time of 80 ns. STTH1R06U has a forward voltage of 1.7 V @ 1 A and reverse recovery time of 45 ns. STTH1L06U provides lower power dissipation, while STTH1R06U provides faster switching recovery.

Q: Can I use a 2 A rated diode in place of a 1 A rated diode?

A: Yes. Parts rated for 2 A (MURS260-E3/52T, STTH2L06U, STTH2R06U) maintain the 600 V reverse voltage rating and DO-214AA (SMB) package compatibility. Higher current rating provides design margin and does not degrade performance in 1 A applications. Verify that the forward voltage and reverse recovery time characteristics are acceptable for the specific circuit.

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

A: Reverse recovery time affects switching speed and switching losses in rectifier applications. The ER1J-LTP has a trr of 35 ns. Substitute parts with longer trr values (such as 75 ns or 85 ns) may exhibit higher switching losses in high-frequency circuits. Parts with comparable or shorter trr values (such as STTH1R06U at 45 ns or STTH3R06U at 35 ns) maintain similar switching performance.

Q: Is ES1J_R1_00001 compatible with ER1J-LTP?

A: ES1J_R1_00001 is electrically equivalent to ER1J-LTP for 1 A applications at 600 V. The primary difference is the package: ES1J_R1_00001 uses DO-214AC (SMA) while ER1J-LTP uses DO-214AA (SMB). These packages have different footprints and are not mechanically interchangeable on the same PCB. Use ES1J_R1_00001 only if the circuit board layout accommodates the SMA package.

Q: What does RoHS3 Compliance mean?

A: RoHS3 Compliance indicates that the component meets the Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, cadmium, mercury, and certain brominated flame retardants. All listed substitute parts are RoHS3 Compliant, ensuring regulatory compliance with the original ER1J-LTP.

Q: Can I use STTH3R06U in a circuit designed for 1 A?

A: Yes. STTH3R06U is rated for 3 A at 600 V in DO-214AA (SMB) package. It can be used in 1 A applications without performance degradation. The higher current rating provides design margin. Verify that the forward voltage (1.7 V @ 3 A) and reverse recovery time (35 ns) are acceptable for the circuit requirements.

Q: What is Moisture Sensitivity Level (MSL)?

A: MSL indicates the component's sensitivity to moisture during storage and handling. MSL 1 (Unlimited) means the component has unlimited shelf life and does not require special moisture-controlled storage conditions. All listed parts have MSL 1, matching the ER1J-LTP specification.