ES1GE-TP Equivalent & Substitute Parts

Part Overview

The ES1GE-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 1 A average rectified current in a surface mount DO-214AC (SMA) package. This part is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available package and technology options.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.35 V @ 1 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	75	ns
Current - Reverse Leakage @ Vr	5	µA @ 400 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction	-50 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the ES1GE-TP is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 1 A
Mounting Type: Surface Mount
Package / Case: DO-214AC or compatible SMA variants

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.35 V @ 1 A for direct drop-in replacement
Speed Classification: Fast Recovery (≤ 500ns) or Standard Recovery (>500ns) acceptable based on circuit requirements
Reverse Recovery Time (trr): Lower values indicate improved switching performance
Current - Reverse Leakage @ Vr: Must not exceed 5 µA @ 400 V
Operating Temperature - Junction: Must accommodate application thermal range
RoHS and MSL Compliance: All substitutes maintain ROHS3 compliance and MSL 1 rating

Substitute parts are grouped into two categories: Direct Equivalents (matching all primary criteria with improved or equivalent secondary parameters) and Compatible Alternatives (meeting primary criteria with acceptable trade-offs in recovery characteristics or forward voltage).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (Max) [°C]	Package	Status
ES1GE-TP	Micro Commercial Co	400	1	1.35 @ 1A	Fast Recovery ≤ 500ns	75	5 @ 400V	150	DO-214AC (SMA)	Obsolete
ES1G-LTP	Micro Commercial Co	400	1	1.25 @ 1A	Fast Recovery ≤ 500ns	35	5 @ 400V	175	DO-214AC (SMA)	Active
ES1G-13-F	Diodes Incorporated	400	1	1.25 @ 1A	Fast Recovery ≤ 500ns	25	5 @ 400V	150	DO-214AC (SMA)	Active
ES1G	Good-Ark Semiconductor	400	1	1.3 @ 1A	Fast Recovery ≤ 500ns	35	5 @ 400V	125	DO-214AC (SMA)	Active
1SR156-400TE25	Rohm Semiconductor	400	1	1.3 @ 800mA	Fast Recovery ≤ 500ns	400	10 @ 400V	150	DO-214AC (SMA)	Not For New Designs
CGRA4004-G	Comchip Technology	400	1	1.1 @ 1A	Standard Recovery >500ns	—	5 @ 400V	150	DO-214AC (SMA)	Active
GF1G	onsemi	400	1	1.0 @ 1A	Standard Recovery >500ns	2000	5 @ 400V	175	DO-214AC (SMA)	Not For New Designs
GF1G-E3/67A	Vishay General Semiconductor - Diodes Division	400	1	1.1 @ 1A	Standard Recovery >500ns	2000	5 @ 400V	175	DO-214BA	Active
GF1G-E3/5CA	Vishay General Semiconductor - Diodes Division	400	1	1.1 @ 1A	Standard Recovery >500ns	2000	5 @ 400V	175	DO-214BA	Active
MRA4004T3G	onsemi	400	1	1.1 @ 1A	Standard Recovery >500ns	—	10 @ 400V	175	DO-214AC (SMA)	Not For New Designs
NRVA4004T3G	onsemi	400	1	1.1 @ 1A	Standard Recovery >500ns	—	10 @ 400V	175	DO-214AC (SMA)	Not For New Designs

Engineering Selection Recommendations

Direct Replacement (Active Status):

The ES1G-LTP (Micro Commercial Co) serves as the primary direct replacement for the obsolete ES1GE-TP. Both parts share identical voltage and current ratings, surface mount DO-214AC packaging, and RoHS3 compliance. The ES1G-LTP offers improved performance with lower forward voltage (1.25 V vs. 1.35 V @ 1 A), faster reverse recovery time (35 ns vs. 75 ns), and extended maximum junction temperature (175°C vs. 150°C). This part is actively manufactured and widely available.

The ES1G-13-F (Diodes Incorporated) provides an alternative direct replacement with equivalent electrical specifications to ES1G-LTP, featuring the fastest reverse recovery time (25 ns) among fast recovery options. This part maintains 400 V / 1 A ratings, fast recovery characteristics, and active product status.

Compatible Alternatives (Active Status):

The ES1G (Good-Ark Semiconductor) is an active-status alternative with fast recovery characteristics and 400 V / 1 A ratings. Forward voltage (1.3 V @ 1 A) remains within acceptable tolerance of the original specification. Maximum junction temperature is limited to 125°C, which may restrict use in high-temperature applications.

The CGRA4004-G (Comchip Technology) and GF1G-E3/67A (Vishay) are active-status alternatives with standard recovery characteristics (>500ns). These parts exhibit lower forward voltage (1.1 V @ 1 A) but slower switching performance. The GF1G-E3/67A uses DO-214BA packaging instead of DO-214AC, requiring PCB layout verification for mechanical compatibility.

Legacy Alternatives (Not For New Designs):

The 1SR156-400TE25 (Rohm Semiconductor), GF1G (onsemi), MRA4004T3G (onsemi), and NRVA4004T3G (onsemi) are classified as "Not For New Designs" and should be used only for legacy system maintenance or repair. These parts meet electrical specifications but are not recommended for new product development.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original ES1GE-TP specifications. The NRVA4004T3G includes AEC-Q101 automotive qualification, suitable for automotive applications requiring this certification.

Frequently Asked Questions (FAQ)

Q: Can ES1G-LTP be used as a direct drop-in replacement for ES1GE-TP?

A: Yes. The ES1G-LTP maintains identical voltage (400 V), current (1 A), and surface mount DO-214AC package specifications. The improved forward voltage (1.25 V vs. 1.35 V) and faster recovery time (35 ns vs. 75 ns) provide enhanced performance. Both parts are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Fast recovery diodes (≤ 500ns reverse recovery time) switch off more quickly, reducing switching losses and electromagnetic interference. Standard recovery diodes (>500ns) have slower switching characteristics but lower forward voltage in some designs. Selection depends on circuit switching frequency and efficiency requirements.

Q: Are DO-214AC and DO-214BA packages interchangeable?

A: No. DO-214AC (SMA) and DO-214BA (GF1) are distinct surface mount packages with different physical dimensions and PCB footprints. Substitutes using DO-214BA packaging (such as GF1G-E3/67A) require PCB layout verification before implementation.

Q: Why is reverse recovery time important for rectifier selection?

A: Reverse recovery time (trr) determines how quickly the diode stops conducting when reverse voltage is applied. Shorter trr values reduce switching losses, heat generation, and EMI in high-frequency applications. The ES1GE-TP specifies 75 ns; faster alternatives like ES1G-13-F (25 ns) improve efficiency.

Q: Can I use a "Not For New Designs" part as a substitute?

A: Parts marked "Not For New Designs" (such as 1SR156-400TE25, GF1G, MRA4004T3G, NRVA4004T3G) meet electrical specifications but are not recommended for new product development. These parts are suitable only for legacy system maintenance, repair, or replacement in existing designs where supply continuity is critical.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level. Parts with MSL 1 have unlimited shelf life and do not require special moisture-control storage or handling procedures. All substitute parts listed maintain this rating, matching the original ES1GE-TP specification.

Q: How do I verify electrical compatibility before substitution?

A: Confirm that the substitute part meets or exceeds the following minimum specifications: Voltage - DC Reverse (Vr) ≥ 400 V, Current - Average Rectified (Io) ≥ 1 A, Voltage - Forward (Vf) ≤ 1.35 V @ 1 A, and Operating Temperature - Junction range encompasses your application requirements. All listed substitutes satisfy these criteria.

Q: Is the NRVA4004T3G suitable for automotive applications?

A: Yes. The NRVA4004T3G carries AEC-Q101 automotive qualification and is rated for automotive-grade reliability. This part is classified as "Not For New Designs" but remains available for automotive legacy system support and replacement applications.

Q: What is the advantage of ES1G-13-F over ES1G-LTP?

A: The ES1G-13-F (Diodes Incorporated) offers the fastest reverse recovery time (25 ns) among active fast recovery alternatives, compared to ES1G-LTP (35 ns). This faster switching reduces switching losses and heat dissipation. Both parts maintain identical voltage, current, and package specifications. Selection depends on circuit efficiency requirements and thermal constraints.

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