ES2LD R5G Equivalent & Substitute Parts

Part Overview

The ES2LD R5G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 2 A average rectified current in a DO-214AA (SMB) surface mount package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design and procurement requirements. The diode features fast recovery characteristics with a reverse recovery time of 35 ns and operates across a junction temperature range of -55°C to 150°C. Equivalent parts maintain identical electrical specifications, while substitute parts offer compatible performance within the same application category despite minor parameter variations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	940 mV @ 2 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Capacitance @ Vr, F	25	pF @ 4V, 1MHz
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the ES2LD R5G is determined by the following critical parameters: reverse voltage rating (200 V minimum), average rectified current capacity (2 A minimum), package type (DO-214AA/SMB surface mount), and recovery characteristics (fast recovery ≤ 500 ns). Parts are classified into two categories:

Parametric Equivalents maintain all electrical specifications within the same tolerance bands as the original part, differing only in packaging format (Tape & Reel versus bulk) or automotive qualification grades. These parts are direct functional replacements.

Similar Substitutes meet the core voltage and current requirements and share the same package footprint but may exhibit variations in forward voltage drop, reverse leakage current, reverse recovery time, or junction temperature range. These parts are compatible for applications where minor electrical parameter variations are acceptable within circuit design margins.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	trr [ns]	Ir @ Vr [µA]	Package	Product Status
ES2LD R5G	Taiwan Semiconductor Corporation	200	2	940 @ 2A	35	10 @ 200V	DO-214AA (SMB)	Discontinued
ES2LD	Taiwan Semiconductor Corporation	200	2	940 @ 2A	35	10 @ 200V	DO-214AA (SMB)	Active
ES2LDH	Taiwan Semiconductor Corporation	200	2	940 @ 2A	35	10 @ 200V	DO-214AA (SMB)	Active
CSFB203-G	Comchip Technology	200	2	920 @ 2A	35	5 @ 200V	DO-214AA (SMB)	Active
ER1D-LTP	Micro Commercial Co	200	1	950 @ 1A	35	5 @ 200V	DO-214AA (SMB)	Active
ER2D-LTP	Micro Commercial Co	200	2	950 @ 2A	35	5 @ 200V	DO-214AA (SMB)	Active
ER3DB-TP	Micro Commercial Co	200	3	950 @ 3A	35	5 @ 200V	DO-214AA (SMB)	Active
ES2D-13-F	Diodes Incorporated	200	2	920 @ 2A	25	5 @ 200V	DO-214AA (SMB)	Active
ES2DA-13-F	Diodes Incorporated	200	2	920 @ 2A	25	5 @ 200V	DO-214AC (SMA)	Active
ES2DHE3_A/H	Vishay General Semiconductor - Diodes Division	200	2	900 @ 2A	20	10 @ 200V	DO-214AA (SMB)	Active
ES2DHE3_A/I	Vishay General Semiconductor - Diodes Division	200	2	900 @ 2A	20	10 @ 200V	DO-214AA (SMB)	Active

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalents):

ES2LD and ES2LDH from Taiwan Semiconductor Corporation are parametric equivalents of the ES2LD R5G. Both parts maintain identical electrical specifications and are available in active product status. ES2LDH includes automotive-grade qualification (AEC-Q101) and is suitable for applications requiring automotive compliance. Selection between ES2LD and ES2LDH depends on whether automotive qualification is required for the end application.

Compatible Substitutes (Same Voltage/Current Rating, DO-214AA Package):

ER2D-LTP (Micro Commercial Co) and ES2D-13-F (Diodes Incorporated) are functionally compatible substitutes with 200 V / 2 A ratings in DO-214AA packages. ER2D-LTP exhibits slightly higher forward voltage (950 mV vs. 940 mV) and lower reverse leakage (5 µA vs. 10 µA). ES2D-13-F offers improved reverse recovery time (25 ns vs. 35 ns) and lower forward voltage (920 mV vs. 940 mV). Both parts are in active production with substantial inventory availability.

ES2DHE3_A/H and ES2DHE3_A/I (Vishay) provide automotive-qualified alternatives with superior reverse recovery time (20 ns) and lower forward voltage (900 mV), though reverse leakage current matches the original specification (10 µA).

CSFB203-G (Comchip Technology) meets voltage and current requirements with lower forward voltage (920 mV) and reverse leakage (5 µA), maintaining identical recovery time (35 ns).

Current Derating Consideration:

ER1D-LTP (Micro Commercial Co) is rated for 1 A average rectified current and is suitable only for applications where the circuit current requirement does not exceed 1 A. This part is not recommended as a direct substitute for 2 A applications.

Package Variant:

ES2DA-13-F (Diodes Incorporated) uses SMA package (DO-214AC) instead of SMB package (DO-214AA). This part is electrically compatible but requires PCB layout modification and is not a direct footprint replacement.

Frequently Asked Questions (FAQ)

Q: Can ES2LD (without R5G suffix) be used as a direct replacement for ES2LD R5G?

A: Yes. ES2LD is a parametric equivalent with identical electrical specifications. The R5G suffix indicates packaging format or supplier designation. ES2LD is currently in active production status.

Q: What is the difference between ES2LD and ES2LDH?

A: Both parts are parametric equivalents with identical electrical specifications. ES2LDH includes automotive-grade qualification (AEC-Q101) and is suitable for automotive applications. Selection depends on application requirements.

Q: Can ER2D-LTP replace ES2LD R5G in all applications?

A: ER2D-LTP is compatible for most applications. It exhibits slightly higher forward voltage (950 mV vs. 940 mV at 2 A) and lower reverse leakage current (5 µA vs. 10 µA). Circuit design margins must accommodate the 10 mV forward voltage increase. Reverse recovery time is identical (35 ns).

Q: Why does ES2D-13-F have a lower reverse recovery time (25 ns vs. 35 ns)?

A: Reverse recovery time is a manufacturing characteristic that varies by semiconductor process. The lower trr value in ES2D-13-F indicates faster switching behavior, which is beneficial for high-frequency applications and reduces switching losses.

Q: Is ES2DA-13-F a suitable substitute?

A: ES2DA-13-F is electrically compatible but uses SMA package (DO-214AC) instead of SMB package (DO-214AA). Direct PCB footprint replacement is not possible. Use only if PCB layout can be modified to accommodate the different package.

Q: What is the significance of the -55°C to 150°C junction temperature range?

A: This range defines the operating environment for the diode. All listed substitutes maintain this specification or exceed it. ER1D-LTP and ER2D-LTP extend to -65°C to 175°C, providing wider operating margins for extreme temperature applications.

Q: Can ER1D-LTP be used in a 2 A circuit?

A: No. ER1D-LTP is rated for 1 A average rectified current. Using it in a 2 A circuit exceeds its current rating and will cause excessive junction heating and potential device failure.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance status, consistent with the original ES2LD R5G specification.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is supplied on continuous tape for automated assembly equipment. Cut Tape (CT) is supplied in shorter tape segments. Both formats contain identical components; packaging format selection depends on assembly equipment compatibility and order quantity requirements.

Q: Can automotive-qualified parts (ES2LDH, ES2DHE3_A/H, ES2DHE3_A/I) be used in non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed standard industrial specifications and are fully compatible with non-automotive applications. Automotive qualification provides additional process controls and reliability assurance.

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