ES2JA R3G Equivalent & Substitute Parts

Part Overview

The ES2JA R3G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 2 A average rectified current in a surface mount DO-214AC (SMA) package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

The ES2JA R3G operates with fast recovery characteristics (≤500 ns) and is suitable for standard rectification applications requiring moderate current handling in compact surface mount form factors. Equivalent parts maintain identical electrical specifications, while substitute parts offer similar functionality with variations in specific parameters.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 2 A	V
Speed	Fast Recovery ≤500ns, >200mA (Io)	-
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10 @ 600 V	µA
Capacitance @ Vr, F	20 @ 4V, 1MHz	pF
Package / Case	DO-214AC, SMA	-
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the ES2JA R3G is determined by the following critical parameters:

Parametric Equivalents maintain all electrical specifications: 600 V reverse voltage, 2 A average rectified current, 1.7 V forward voltage at 2 A, fast recovery ≤500 ns, 35 ns reverse recovery time, and identical package configuration (DO-214AC/SMA). These parts are direct replacements with no circuit redesign required.

Similar Substitutes share the same 600 V reverse voltage rating and DO-214AC/SMA package but differ in current rating (1 A instead of 2 A) and associated electrical characteristics. These parts are suitable only for applications where the 2 A current requirement can be reduced or where circuit topology permits parallel operation. Forward voltage, reverse recovery time, and capacitance values vary among similar substitutes.

The grouping logic is based strictly on:

Reverse voltage rating (600 V maintained across all substitutes)
Package type (DO-214AC/SMA maintained across all substitutes)
Current rating (2 A for equivalents; 1 A for similar substitutes)
Recovery speed classification (fast recovery ≤500 ns or standard recovery >500 ns)
Operating temperature range
Compliance certifications (RoHS3, REACH)

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	Status
ES2JA R3G	Taiwan Semiconductor	600	2	1.7 @ 2A	Fast ≤500ns	35	10 @ 600V	DO-214AC	-55 to 150	Discontinued
ES2JA	Taiwan Semiconductor	600	2	1.7 @ 2A	Fast ≤500ns	35	10 @ 600V	DO-214AC	-55 to 150	Active
ES2JAH	Taiwan Semiconductor	600	2	1.7 @ 2A	Fast ≤500ns	35	10 @ 600V	DO-214AC	-55 to 150	Active (AEC-Q101)
CFRA105-G	Comchip Technology	600	1	1.3 @ 1A	Fast ≤500ns	250	5 @ 600V	DO-214AC	-55 to 150	Active
CGRA4005-G	Comchip Technology	600	1	1.1 @ 1A	Fast ≤500ns	-	5 @ 600V	DO-214AC	-55 to 150	Active
CMR1-06M BK PBFREE	Central Semiconductor	600	1	1.1 @ 1A	Standard >500ns	-	5 @ 600V	DO-214AC	-65 to 150	Active
CMR1-06M TR13 PBFREE	Central Semiconductor	600	1	1.1 @ 1A	Standard >500ns	-	5 @ 600V	DO-214AC	-65 to 150	Active
CMR1F-06M BK PBFREE	Central Semiconductor	600	1	1.3 @ 1A	Fast ≤500ns	250	5 @ 600V	DO-214AC	-65 to 150	Active
CMR1F-06M TR13 PBFREE	Central Semiconductor	600	1	1.3 @ 1A	Fast ≤500ns	250	5 @ 600V	DO-214AC	-65 to 150	Active
CMR1U-06M BK PBFREE	Central Semiconductor	600	1	1.4 @ 1A	Fast ≤500ns	75	5 @ 600V	DO-214AC	-65 to 175	Active
CMR1U-06M TR13 PBFREE	Central Semiconductor	600	1	1.4 @ 1A	Fast ≤500ns	75	5 @ 600V	DO-214AC	-65 to 175	Active

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements)

ES2JA and ES2JAH are parametric equivalents of the discontinued ES2JA R3G. Both parts maintain identical electrical specifications across all critical parameters: 600 V reverse voltage, 2 A average rectified current, 1.7 V forward voltage at 2 A, 35 ns reverse recovery time, and fast recovery characteristics. Both are ROHS3 compliant and REACH unaffected.

ES2JA is the standard equivalent with active product status and 34,435 units in stock. ES2JAH is the automotive-qualified variant with AEC-Q101 certification, suitable for applications requiring automotive-grade reliability. Selection between ES2JA and ES2JAH depends on application requirements; ES2JAH is specified for automotive and high-reliability applications.

Similar Substitutes (Current-Reduced Alternatives)

Similar substitutes are rated for 1 A average rectified current instead of 2 A. These parts are suitable for applications where:

Circuit design permits operation at reduced current levels
Parallel diode configurations are implemented to achieve 2 A total current capacity
Thermal management allows for higher junction temperatures at equivalent power dissipation

Comchip Technology CFRA105-G and CGRA4005-G offer fast recovery characteristics with 250 ns and unspecified reverse recovery times respectively. CFRA105-G exhibits 1.3 V forward voltage at 1 A; CGRA4005-G exhibits 1.1 V forward voltage at 1 A.

Central Semiconductor CMR1-06M variants (standard recovery >500 ns) are not recommended as direct substitutes due to slower recovery characteristics. CMR1F-06M variants (fast recovery ≤500 ns, 250 ns trr) and CMR1U-06M variants (fast recovery ≤500 ns, 75 ns trr) maintain fast recovery performance. CMR1U-06M variants offer extended operating temperature range (-65°C to 175°C) compared to the original part (-55°C to 150°C).

All similar substitutes maintain 600 V reverse voltage rating and DO-214AC/SMA package compatibility. Packaging variants (Bulk vs. Tape & Reel) are available for most Central Semiconductor parts.

Frequently Asked Questions (FAQ)

Q: Can ES2JA or ES2JAH be used as direct replacements for ES2JA R3G?

A: Yes. ES2JA and ES2JAH are parametric equivalents with identical electrical specifications. Both maintain 600 V reverse voltage, 2 A average rectified current, 1.7 V forward voltage at 2 A, and 35 ns reverse recovery time. No circuit redesign is required. ES2JAH includes AEC-Q101 automotive qualification; ES2JA is the standard industrial variant.

Q: What is the difference between parametric equivalents and similar substitutes?

A: Parametric equivalents (ES2JA, ES2JAH) maintain all electrical specifications of the original part, including 2 A current rating. Similar substitutes (Comchip and Central Semiconductor parts) are rated for 1 A current and differ in forward voltage, reverse recovery time, and operating temperature range. Similar substitutes require circuit analysis to confirm suitability.

Q: Can 1 A rated diodes replace the 2 A ES2JA R3G in my application?

A: Only if circuit requirements permit. Applications requiring 2 A continuous current cannot use single 1 A diodes. Parallel configurations of two 1 A diodes can achieve 2 A capacity, but require careful thermal and current-sharing analysis. Consult circuit design specifications before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the original ES2JA R3G.

Q: What is the significance of fast recovery versus standard recovery?

A: Fast recovery diodes (≤500 ns) exhibit shorter reverse recovery time, reducing switching losses and electromagnetic interference in high-frequency applications. Standard recovery diodes (>500 ns) are suitable for lower-frequency rectification. The original ES2JA R3G specifies fast recovery (35 ns). Similar substitutes vary: CFRA105-G and CMR1F-06M/CMR1U-06M maintain fast recovery; CMR1-06M uses standard recovery.

Q: Does packaging (Tape & Reel vs. Bulk) affect electrical performance?

A: No. Packaging format (Tape & Reel or Bulk) does not affect electrical specifications. Selection depends on manufacturing process requirements and inventory management. Central Semiconductor offers both formats for equivalent electrical performance.

Q: What is AEC-Q101 qualification?

A: AEC-Q101 is an automotive industry standard qualification for discrete semiconductors. ES2JAH carries this certification, indicating suitability for automotive applications with enhanced reliability requirements. Standard ES2JA does not carry this certification but is suitable for industrial and consumer applications.

Q: Can I use CMR1U-06M variants with extended temperature range (-65°C to 175°C) in place of ES2JA R3G (-55°C to 150°C)?

A: CMR1U-06M variants offer extended temperature capability but are rated for 1 A instead of 2 A. Extended temperature range does not compensate for reduced current rating. Use only if application permits 1 A operation and benefits from extended temperature range.

Q: What is the impact of different forward voltage specifications among substitutes?

A: Forward voltage affects power dissipation and thermal performance. ES2JA R3G specifies 1.7 V at 2 A. Similar substitutes at 1 A rating show lower forward voltages (1.1 V to 1.4 V), but these are measured at different current levels and are not directly comparable. Thermal analysis must account for actual operating current and voltage conditions.

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