ES1JL RFG Equivalent & Substitute Parts

Part Overview

The ES1JL RFG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 1 A average rectified current. This Surface Mount Sub SMA device features fast recovery characteristics with a reverse recovery time of 35 ns and is housed in a DO-219AB package. The part is currently Active in product status and maintains full RoHS3 compliance.

Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support applications requiring alternative sourcing options while maintaining electrical and mechanical compatibility within specified parameter ranges.

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

Substitute parts for the ES1JL RFG are classified into two categories based on electrical parameter compatibility:

Parametric Equivalents maintain identical or equivalent electrical specifications across all critical parameters: 600 V reverse voltage rating, 1 A average rectified current, 1.7 V maximum forward voltage at 1 A, fast recovery speed characteristics, and DO-219AB package configuration. These parts are direct functional replacements.

Similar Parts share the same voltage and package specifications but differ in current rating or recovery characteristics. These parts are suitable for applications where the higher current capability or alternative recovery time does not create design conflicts.

Substitution eligibility is determined by:

Voltage - DC Reverse (Vr) (Max): 600 V minimum
Current - Average Rectified (Io): 1 A minimum
Package / Case: DO-219AB
Mounting Type: Surface Mount
RoHS3 Compliance: Required

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	Package	Product Status
ES1JL RFG	Taiwan Semiconductor Corporation	600	1	1.7 @ 1 A	35	5 @ 600 V	DO-219AB	Active
ES1JL	Taiwan Semiconductor Corporation	600	1	1.7 @ 1 A	35	5 @ 600 V	DO-219AB	Not For New Designs
HS1JL RVG	Taiwan Semiconductor Corporation	600	1	1.7 @ 1 A	75	5 @ 600 V	DO-219AB	Active
VS-1EFU06HM3/I	Vishay General Semiconductor - Diodes Division	600	1	1.2 @ 1 A	32	3 @ 600 V	DO-219AB	Active
VS-2EFU06HM3/I	Vishay General Semiconductor - Diodes Division	600	2	1.35 @ 2 A	55	3 @ 600 V	DO-219AB	Active

Engineering Selection Recommendations

For New Designs: The ES1JL RFG is the primary selection, offering Active product status with full RoHS3 compliance and REACH unaffected designation. This part provides the specified electrical performance with established supply availability.

Parametric Equivalent - ES1JL: This part maintains identical electrical specifications to the ES1JL RFG but carries a "Not For New Designs" status. Selection of this part is limited to legacy system support or replacement applications where design continuity is required. Inventory availability is significantly higher at 84,500 pieces.

Parametric Equivalent - HS1JL RVG: This Taiwan Semiconductor Corporation device maintains the 600 V, 1 A rating and DO-219AB package but specifies a reverse recovery time of 75 ns compared to 35 ns for the ES1JL RFG. This part is Active and suitable for applications where extended recovery time does not impact circuit performance. Selection is appropriate when HS1JL RVG availability or cost factors favor this option.

Similar Part - VS-1EFU06HM3/I: This Vishay FRED Pt® series diode matches the 600 V, 1 A electrical requirements and DO-219AB package. It offers improved forward voltage characteristics (1.2 V versus 1.7 V at 1 A) and lower reverse leakage current (3 µA versus 5 µA). This part includes AEC-Q101 automotive qualification and operates to 175°C junction temperature. Selection is appropriate for automotive applications or designs benefiting from enhanced thermal performance.

Similar Part - VS-2EFU06HM3/I: This Vishay FRED Pt® series device provides 2 A average rectified current with 600 V reverse voltage rating in the DO-219AB package. This part is suitable for applications requiring higher current capacity than the 1 A specification while maintaining voltage compatibility. AEC-Q101 qualification and 175°C operating temperature are provided.

All substitute parts maintain RoHS3 compliance, REACH unaffected status, and Surface Mount configuration on DO-219AB packages, ensuring mechanical and regulatory compatibility.

Frequently Asked Questions (FAQ)

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

A: ES1JL maintains identical electrical specifications (600 V, 1 A, 1.7 V forward voltage, 35 ns recovery time) and package configuration. However, ES1JL carries "Not For New Designs" status. Use is limited to legacy applications or replacement scenarios where design continuity is required.

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

A: Both parts share 600 V reverse voltage, 1 A current rating, and DO-219AB packaging. The HS1JL RVG specifies 75 ns reverse recovery time compared to 35 ns for ES1JL RFG. Selection depends on circuit requirements for recovery speed. HS1JL RVG is Active status.

Q: Are Vishay VS-1EFU06HM3/I and VS-2EFU06HM3/I direct substitutes?

A: VS-1EFU06HM3/I matches the 1 A current rating and provides improved electrical characteristics (1.2 V forward voltage, 32 ns recovery time, 3 µA leakage). VS-2EFU06HM3/I provides 2 A current capacity. Both are DO-219AB packaged and AEC-Q101 qualified. Selection depends on current requirements and automotive qualification needs.

Q: What packaging options are available for these parts?

A: All listed parts use DO-219AB (Sub SMA) Surface Mount package configuration. Packaging formats vary by supplier: ES1JL RFG is supplied in standard packaging, ES1JL offers Cut Tape and Digi-Reel options, HS1JL RVG is Cut Tape, and Vishay parts are supplied in Tape & Reel format.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All listed parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across all substitution options.

Q: Which part offers the best thermal performance?

A: VS-1EFU06HM3/I and VS-2EFU06HM3/I specify -55°C to 175°C operating temperature range compared to -55°C to 150°C for Taiwan Semiconductor Corporation parts. These Vishay devices provide 25°C additional thermal headroom.

Q: Can VS-2EFU06HM3/I be used in place of ES1JL RFG?

A: VS-2EFU06HM3/I provides 2 A current capacity versus 1 A for ES1JL RFG, with compatible 600 V reverse voltage and DO-219AB package. This part is suitable for applications where higher current capability does not create design conflicts. Forward voltage differs at rated current (1.35 V @ 2 A versus 1.7 V @ 1 A).

Q: What is the inventory status for each part?

A: ES1JL RFG: 1,123 pieces; ES1JL: 84,500 pieces; HS1JL RVG: 1,030 pieces; VS-1EFU06HM3/I: 36,329 pieces; VS-2EFU06HM3/I: 10,200 pieces. Inventory levels support various supply chain requirements.

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