ES1JL RQG Equivalent & Substitute Parts

Part Overview

The ES1JL RQG 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 Surface Mount Sub SMA package (DO-219AB). This component is classified as Active product status and is RoHS3 compliant with REACH unaffected designation.

Identifying equivalent and substitute parts for the ES1JL RQG is necessary when managing inventory constraints, addressing supply chain disruptions, or evaluating alternative manufacturers that meet identical electrical and mechanical specifications. Substitute parts must maintain compatibility across voltage ratings, current capacity, package configuration, and thermal operating range.

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	µA @ 600 V
Package / Case	DO-219AB	Sub SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the ES1JL RQG is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

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

Acceptable Variation Parameters:

Reverse Recovery Time (trr): Values at or below 35 ns are acceptable; higher values indicate slower switching characteristics but remain functionally compatible
Voltage - Forward (Vf) (Max): Values at or below 1.7 V @ 1 A are acceptable; lower forward voltage indicates improved efficiency
Current - Reverse Leakage @ Vr: Values at or below 5 µA @ 600 V are acceptable; lower leakage indicates superior performance
Operating Temperature - Junction: Range must encompass or exceed -55°C to 150°C minimum

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting these criteria are classified as parametric equivalents or similar alternatives suitable for direct substitution in applications where the ES1JL RQG is specified.

Parameter Comparison

Parameter	ES1JL RQG	ES1JL	HS1JL RVG	VS-1EFU06HM3/I	VS-2EFU06HM3/I
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Taiwan Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
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
Grade	Standard	Standard	Standard	Automotive	Automotive
Qualification	-	-	-	AEC-Q101	AEC-Q101

Engineering Selection Recommendations

Parametric Equivalent - ES1JL (Taiwan Semiconductor Corporation)

The ES1JL is a direct parametric equivalent to the ES1JL RQG, sharing identical electrical specifications across all critical parameters: 600 V reverse voltage, 1 A average rectified current, 1.7 V forward voltage at 1 A, and 35 ns reverse recovery time. Both components are packaged in DO-219AB Sub SMA configuration and operate across -55°C to 150°C junction temperature range. The ES1JL carries ROHS3 compliance and MSL 1 rating. However, the ES1JL is designated as "Not For New Designs," indicating it is in mature or declining production status. This part is suitable for replacement applications and field service where existing inventory exists (84,500 pcs available). For new design implementations, the ES1JL RQG (Active status) is the preferred selection.

Parametric Equivalent - HS1JL RVG (Taiwan Semiconductor Corporation)

The HS1JL RVG maintains electrical equivalence across voltage and current ratings (600 V, 1 A) and identical package configuration (DO-219AB Sub SMA). This part is Active product status and carries identical compliance certifications (ROHS3, MSL 1). The HS1JL RVG exhibits a higher reverse recovery time of 75 ns compared to the ES1JL RQG specification of 35 ns, and increased junction capacitance of 15 pF at 4 V versus 8 pF at 1 V for the main part. These differences indicate slower switching characteristics. The HS1JL RVG is suitable for applications where switching speed is not a critical constraint and where Active product status is required. Inventory availability is 1,030 pcs.

Similar Alternative - VS-1EFU06HM3/I (Vishay General Semiconductor - Diodes Division)

The VS-1EFU06HM3/I is a 1 A, 600 V rectifier diode in DO-219AB package manufactured by Vishay. This part demonstrates superior electrical performance characteristics: forward voltage of 1.2 V @ 1 A (0.5 V lower than ES1JL RQG), reverse recovery time of 32 ns (3 ns faster), and reverse leakage current of 3 µA @ 600 V (2 µA lower). The VS-1EFU06HM3/I is qualified to AEC-Q101 automotive standard and operates across -55°C to 175°C, providing extended upper temperature range. This part is Active product status with ROHS3 compliance and MSL 1 rating. The Vishay component is suitable for applications requiring automotive-grade qualification or enhanced thermal performance. Inventory availability is 36,329 pcs.

Similar Alternative - VS-2EFU06HM3/I (Vishay General Semiconductor - Diodes Division)

The VS-2EFU06HM3/I is a 2 A, 600 V rectifier diode in DO-219AB package. This part exceeds the current rating of the ES1JL RQG (2 A versus 1 A) while maintaining identical voltage specification (600 V) and package configuration. Forward voltage is 1.35 V @ 2 A, reverse recovery time is 55 ns, and reverse leakage is 3 µA @ 600 V. The VS-2EFU06HM3/I carries AEC-Q101 automotive qualification and operates across -55°C to 175°C. This part is Active product status with ROHS3 compliance and MSL 1 rating. The VS-2EFU06HM3/I is suitable for applications requiring higher current capacity or where automotive-grade components are specified. Inventory availability is 10,200 pcs. Direct substitution requires verification that the application circuit can accommodate the higher current rating without adverse effects.

Frequently Asked Questions (FAQ)

Q: Can the ES1JL be used as a direct replacement for the ES1JL RQG?

A: The ES1JL is a parametric equivalent with identical electrical specifications and package configuration. However, the ES1JL carries "Not For New Designs" product status, indicating mature production phase. For new design implementations, the ES1JL RQG (Active status) is the specified component. The ES1JL is suitable for field replacement and service applications where existing inventory is available.

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

A: Both parts share identical voltage (600 V), current (1 A), and package specifications (DO-219AB Sub SMA). The HS1JL RVG exhibits a reverse recovery time of 75 ns compared to 35 ns for the ES1JL RQG, indicating slower switching characteristics. The HS1JL RVG also has higher junction capacitance (15 pF at 4 V versus 8 pF at 1 V). These differences make the HS1JL RVG suitable for applications where switching speed is not critical.

Q: Are the Vishay VS-1EFU06HM3/I and VS-2EFU06HM3/I suitable direct replacements?

A: The VS-1EFU06HM3/I is a 1 A, 600 V equivalent with superior performance characteristics (lower forward voltage, faster recovery time, lower leakage current) and AEC-Q101 automotive qualification. It is a suitable direct replacement. The VS-2EFU06HM3/I is rated for 2 A current, exceeding the ES1JL RQG specification. Substitution of the VS-2EFU06HM3/I requires circuit verification to ensure the higher current rating does not introduce unintended operational changes.

Q: What compliance certifications are common across all substitute parts?

A: All listed substitute parts (ES1JL, HS1JL RVG, VS-1EFU06HM3/I, VS-2EFU06HM3/I) are ROHS3 compliant, REACH unaffected, and carry Moisture Sensitivity Level 1 (Unlimited). The Vishay parts (VS-1EFU06HM3/I and VS-2EFU06HM3/I) additionally carry AEC-Q101 automotive qualification.

Q: Does package configuration differ among the substitute parts?

A: All substitute parts are packaged in DO-219AB (Sub SMA) configuration with Surface Mount mounting type. Package compatibility is maintained across all alternatives, allowing direct PCB footprint compatibility.

Q: What is the operating temperature range for each substitute part?

A: The ES1JL RQG, ES1JL, and HS1JL RVG operate across -55°C to 150°C junction temperature. The Vishay parts (VS-1EFU06HM3/I and VS-2EFU06HM3/I) operate across -55°C to 175°C, providing 25°C extended upper temperature range.

Q: Which substitute part offers the best electrical performance?

A: The VS-1EFU06HM3/I demonstrates superior electrical characteristics: forward voltage of 1.2 V @ 1 A (lowest among 1 A rated parts), reverse recovery time of 32 ns (fastest), and reverse leakage current of 3 µA @ 600 V (lowest). These characteristics indicate improved efficiency and switching performance.

Q: Can inventory availability influence part selection?

A: Inventory levels are provided for reference: ES1JL RQG (830 pcs), ES1JL (84,500 pcs), HS1JL RVG (1,030 pcs), VS-1EFU06HM3/I (36,329 pcs), and VS-2EFU06HM3/I (10,200 pcs). Availability should be evaluated in conjunction with product status, compliance requirements, and electrical specifications to determine optimal selection for specific applications.

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