ES1JL RUG Equivalent & Substitute Parts

Part Overview

The ES1JL RUG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 1 A average rectified current in a Sub SMA surface mount package (DO-219AB). This component is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design requirements call for enhanced electrical characteristics such as lower forward voltage drop or improved reverse recovery time performance.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 1 A	V
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5 @ 600 V	µA
Package / Case	DO-219AB	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the ES1JL RUG is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 1 A minimum
Package / Case: DO-219AB (Sub SMA)
Mounting Type: Surface Mount

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: Must not exceed application requirements
Reverse Recovery Time (trr): Lower values indicate improved switching performance
Current - Reverse Leakage @ Vr: Lower values indicate reduced standby current
Operating Temperature - Junction: Must accommodate application thermal range
RoHS and REACH compliance status

Parts are grouped into two categories: Parametric Equivalents (identical electrical specifications with different packaging) and Similar Parts (same voltage and package ratings with enhanced or different current ratings).

Parameter Comparison

Parameter	ES1JL RUG (Main)	ES1JL (CT)	HS1JL RVG	VS-1EFU06HM3/I	VS-2EFU06HM3/I
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Taiwan Semiconductor	Vishay	Vishay
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.7 V @ 1 A	1.7 V @ 1 A	1.7 V @ 1 A	1.2 V @ 1 A	1.35 V @ 2 A
Reverse Recovery Time (trr)	35 ns	35 ns	75 ns	32 ns	55 ns
Current - Reverse Leakage @ Vr	5 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V	3 µA @ 600 V	3 µA @ 600 V
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 175°C	-55 to 175°C
Product Status	Active	Not For New Designs	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

ES1JL (Cut Tape & Digi-Reel®): This part is a parametric equivalent to the ES1JL RUG with identical electrical specifications. However, it carries a "Not For New Designs" product status designation. This part is suitable for replacement in existing production runs or field service applications where the original part number is unavailable. The Cut Tape and Digi-Reel® packaging formats differ from the Tape & Reel format of the main part, requiring verification of compatibility with automated assembly equipment.

HS1JL RVG: This part maintains the same voltage and current ratings as the ES1JL RUG and carries Active product status. The reverse recovery time is 75 ns compared to 35 ns for the main part, and capacitance is 15 pF at 4 V compared to 8 pF at 1 V. This part is suitable for applications where the slower recovery time does not impact circuit performance. Cut Tape packaging requires equipment compatibility verification.

VS-1EFU06HM3/I (Vishay FRED Pt® Series): This part is electrically compatible with the ES1JL RUG, offering superior performance characteristics including lower forward voltage (1.2 V vs. 1.7 V), faster reverse recovery time (32 ns vs. 35 ns), and lower reverse leakage current (3 µA vs. 5 µA). This part includes AEC-Q101 automotive qualification and extends the operating temperature range to 175°C. It is suitable for applications requiring enhanced performance or automotive-grade reliability.

VS-2EFU06HM3/I (Vishay FRED Pt® Series): This part is rated for 2 A average rectified current, exceeding the 1 A requirement of the ES1JL RUG. It provides the same voltage rating and improved electrical characteristics (lower forward voltage, lower reverse leakage). This part is suitable for applications requiring higher current capacity or where design margin enhancement is beneficial. AEC-Q101 automotive qualification is included.

Frequently Asked Questions (FAQ)

Q: Can ES1JL (Cut Tape) be used as a direct replacement for ES1JL RUG (Tape & Reel)?

A: The electrical specifications are identical. However, the packaging format differs. ES1JL RUG is supplied in Tape & Reel format, while ES1JL is supplied in Cut Tape and Digi-Reel® formats. Compatibility depends on the receiving equipment's ability to process the alternative packaging format. The "Not For New Designs" status of the Cut Tape version should be considered for long-term supply chain planning.

Q: What is the difference between HS1JL RVG and ES1JL RUG?

A: Both parts share identical voltage (600 V), current (1 A), and forward voltage (1.7 V @ 1 A) ratings. The primary differences are reverse recovery time (75 ns vs. 35 ns) and capacitance (15 pF vs. 8 pF). The HS1JL RVG is suitable for applications where the slower recovery time does not degrade circuit performance. HS1JL RVG carries Active product status.

Q: Why would VS-1EFU06HM3/I be selected over ES1JL RUG?

A: VS-1EFU06HM3/I offers superior electrical performance with lower forward voltage drop (1.2 V vs. 1.7 V), faster reverse recovery time (32 ns vs. 35 ns), and lower reverse leakage current (3 µA vs. 5 µA). Additionally, it includes AEC-Q101 automotive qualification and operates to 175°C versus 150°C. These characteristics reduce power dissipation and improve switching performance in high-frequency applications.

Q: Is VS-2EFU06HM3/I a suitable substitute for ES1JL RUG?

A: VS-2EFU06HM3/I is electrically compatible with ES1JL RUG for the 600 V voltage rating and DO-219AB package. However, it is rated for 2 A average rectified current compared to 1 A for the ES1JL RUG. This part is suitable when higher current capacity is required or when design margin enhancement is desired. The lower forward voltage and reverse leakage current provide additional performance benefits.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed—ES1JL RUG, ES1JL (CT), HS1JL RVG, VS-1EFU06HM3/I, and VS-2EFU06HM3/I—are ROHS3 compliant and REACH unaffected. All parts carry MSL 1 (Unlimited) moisture sensitivity level classification.

Q: What is the significance of the DO-219AB package designation?

A: DO-219AB is the standardized package designation for Sub SMA (Surface Mount) rectifier diodes. All substitute parts use this identical package, ensuring mechanical and thermal compatibility with the original design. The package accommodates surface mount assembly processes and provides consistent thermal performance across all listed alternatives.

Q: Can HS1JL RVG be used in high-frequency switching applications?

A: HS1JL RVG has a reverse recovery time of 75 ns, which is longer than ES1JL RUG (35 ns). In high-frequency switching applications where fast recovery is critical, the longer recovery time may result in increased switching losses and reduced efficiency. Application-specific circuit analysis is required to determine acceptability.

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