RS1JHE3_A/I Equivalent & Substitute Parts

Part Overview

The RS1JHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 1 A average rectified current in a surface mount DO-214AC (SMA) package. This part is classified as Active and carries automotive-grade qualification (AEC-Q101). The device is supplied in Cut Tape (CT) packaging with 787 pieces currently in stock.

Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for equivalent electrical performance from alternative manufacturers while maintaining compliance with automotive and RoHS standards.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 1 A	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	250	ns
Current - Reverse Leakage @ Vr	5 µA @ 600 V	µA
Capacitance @ Vr, F	7 @ 4V, 1MHz	pF
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AC, SMA	-
Mounting Type	Surface Mount	-
Grade	Automotive	-
Qualification	AEC-Q101	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the RS1JHE3_A/I is determined by electrical equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 1 A
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Operating Temperature Range: Minimum -55°C to 150°C

Packaging Variants: Substitute parts are grouped by packaging format (Cut Tape, Tape & Reel) to accommodate different manufacturing and procurement workflows. Electrical performance remains constant across packaging variants of the same base part number.

Performance Variations: Some substitute parts exhibit different speed classifications (Fast Recovery vs. Standard Recovery), forward voltage characteristics, and reverse recovery times. These variations are acceptable substitutes when the application circuit design permits operation within the specified electrical parameters, though they may affect switching performance and thermal characteristics.

Manufacturer Alternatives: Cross-manufacturer substitutes from HY Electronic, Micro Commercial Co, onsemi, and Taiwan Semiconductor Corporation are included where electrical ratings and package specifications align with the primary part. Manufacturer-recommended alternatives are identified separately from parametric equivalents.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	C @ Vr [pF]	Tj Range [°C]	Packaging	Status
RS1JHE3_A/I	Vishay	600	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	7 @ 4V	-55 to 150	Cut Tape (CT)	Active
RS1J-E3/5AT	Vishay	600	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	7 @ 4V	-55 to 150	Tape & Reel (TR)	Active
RS1J-E3/61T	Vishay	600	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	7 @ 4V	-55 to 150	Cut Tape (CT)	Active
RS1JHE3_A/H	Vishay	600	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	250	5 @ 600 V	7 @ 4V	-55 to 150	Tape & Reel (TR)	Active
ES1J	HY Electronic	600	1	1.7 @ 1 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	25 @ 4V	-55 to 150	Not Specified	Active
ES1J-LTP	Micro Commercial Co	600	1	1.7 @ 1 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	15 @ 4V	-65 to 175	Cut Tape (CT) & Digi-Reel®	Active
GF1J	onsemi	600	1	1.0 @ 1 A	Standard Recovery >500ns	2000	5 @ 600 V	15 @ 4V	-65 to 175	Tape & Reel (TR)	Not For New Designs
GS1J-LTP	Micro Commercial Co	600	1	1.0 @ 1 A	Standard Recovery >500ns	Not Specified	10 @ 600 V	15 @ 4V	-55 to 150	Tape & Reel (TR)	Active
MRA4005T1G	onsemi	600	1	1.1 @ 1 A	Standard Recovery >500ns	Not Specified	10 @ 600 V	Not Specified	-55 to 175	Tape & Reel (TR)	Not For New Designs
MRA4005T3G	onsemi	600	1	1.1 @ 1 A	Standard Recovery >500ns	Not Specified	10 @ 600 V	Not Specified	-55 to 175	Cut Tape (CT) & Digi-Reel®	Not For New Designs
RS1J R3G	Taiwan Semiconductor	600	1	1.3 @ 1 A	Standard Recovery >500ns	600	5 @ 600 V	10 @ 4V	-55 to 150	Tape & Reel (TR)	Discontinued at DiGi Electronics

Engineering Selection Recommendations

Parametric Equivalents (Vishay Variants): RS1J-E3/5AT, RS1J-E3/61T, and RS1JHE3_A/H are direct parametric equivalents manufactured by Vishay. These parts maintain identical electrical specifications to the primary RS1JHE3_A/I part and differ only in packaging format (Tape & Reel vs. Cut Tape). Selection among these variants is determined by manufacturing process requirements and supply chain availability. All three variants carry Active product status and maintain ROHS3 compliance and AEC-Q101 automotive qualification.

Manufacturer-Recommended Alternatives (Fast Recovery): ES1J (HY Electronic) and ES1J-LTP (Micro Commercial Co) are manufacturer-recommended alternatives that maintain the Fast Recovery speed classification. These parts exhibit lower reverse recovery time (35 ns vs. 250 ns) and higher forward voltage (1.7 V vs. 1.3 V). ES1J-LTP extends the operating temperature range to -65°C to 175°C and carries ROHS3 compliance. These alternatives are suitable for applications where faster switching performance is beneficial or where extended temperature operation is required.

Standard Recovery Alternatives: GF1J (onsemi), GS1J-LTP (Micro Commercial Co), MRA4005T1G, and MRA4005T3G (onsemi) are classified as Standard Recovery devices with reverse recovery times exceeding 500 ns. These parts exhibit lower forward voltage characteristics (1.0 to 1.1 V) but slower switching performance. GF1J and MRA4005 series carry "Not For New Designs" status, indicating these are legacy parts suitable only for replacement or maintenance applications. GS1J-LTP maintains Active status and is available for new designs.

Discontinued Parts: RS1J R3G (Taiwan Semiconductor) is listed as Discontinued at DiGi Electronics and should not be selected for new designs. This part is included for reference in legacy system maintenance only.

Compliance and Certification: All Active-status substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating. ES1J carries AEC-Q101 automotive qualification matching the primary part. Parts designated "Not For New Designs" retain compliance certifications but are restricted to replacement applications.

Frequently Asked Questions (FAQ)

Q: Can RS1J-E3/5AT be used as a direct replacement for RS1JHE3_A/I?

A: Yes. RS1J-E3/5AT is a parametric equivalent with identical electrical specifications. The only difference is packaging format: RS1J-E3/5AT is supplied in Tape & Reel (TR) format while RS1JHE3_A/I is supplied in Cut Tape (CT). Both parts are manufactured by Vishay, carry Active status, and maintain AEC-Q101 automotive qualification. Selection depends on manufacturing equipment compatibility with the packaging format.

Q: What is the difference between Fast Recovery and Standard Recovery variants?

A: Fast Recovery variants (RS1JHE3_A/I, RS1J-E3/5AT, RS1J-E3/61T, ES1J, ES1J-LTP) have reverse recovery times of 35 to 250 nanoseconds and are optimized for high-frequency switching applications. Standard Recovery variants (GF1J, GS1J-LTP, MRA4005T1G, MRA4005T3G, RS1J R3G) have reverse recovery times exceeding 500 nanoseconds and are suitable for lower-frequency rectification. Fast Recovery devices generate less switching noise and heat but may have higher forward voltage. Standard Recovery devices typically exhibit lower forward voltage but slower switching response.

Q: Is ES1J-LTP suitable for automotive applications?

A: ES1J-LTP is manufactured by Micro Commercial Co and carries ROHS3 compliance with MSL Level 1 rating. However, it does not carry AEC-Q101 automotive qualification. The primary RS1JHE3_A/I part carries AEC-Q101 qualification. If AEC-Q101 certification is a design requirement, ES1J-LTP is not an acceptable substitute. For non-automotive applications or where AEC-Q101 is not mandated, ES1J-LTP is electrically compatible.

Q: Why are GF1J and MRA4005 series marked "Not For New Designs"?

A: Parts designated "Not For New Designs" are legacy products that remain available for replacement and maintenance of existing systems but are not recommended for new circuit designs. These parts retain full compliance certifications and electrical specifications but are being phased out by manufacturers. For new designs, select from parts with Active product status: RS1J-E3/5AT, RS1J-E3/61T, RS1JHE3_A/H, ES1J, ES1J-LTP, or GS1J-LTP.

Q: What is the impact of forward voltage differences between substitutes?

A: Forward voltage (Vf) varies among substitutes: RS1JHE3_A/I and Vishay variants specify 1.3 V @ 1 A, while ES1J and ES1J-LTP specify 1.7 V @ 1 A, and GF1J, GS1J-LTP, and MRA4005 series specify 1.0 to 1.1 V @ 1 A. Higher forward voltage increases power dissipation and heat generation in the diode. Lower forward voltage reduces power loss. Circuit designs must accommodate the specified forward voltage range of the selected part. If thermal management or power efficiency is critical, verify that the substitute part's forward voltage is acceptable for the application.

Q: Can I substitute a Standard Recovery diode for a Fast Recovery diode?

A: Electrical substitution is possible because both types meet the 600 V, 1 A ratings and DO-214AC package requirements. However, Standard Recovery diodes exhibit significantly longer reverse recovery times (600 ns to 2 µs vs. 35 to 250 ns), which may cause increased switching noise, higher peak reverse current, and reduced efficiency in high-frequency switching applications. For applications operating at low switching frequencies or in simple rectification circuits, Standard Recovery substitutes are acceptable. For high-frequency switching or noise-sensitive applications, Fast Recovery variants are preferred.

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

A: MSL Level 1 (Unlimited) indicates that the component has no moisture sensitivity limitations. The part does not require special moisture-barrier packaging, desiccant storage, or time-limited shelf life restrictions. All substitute parts listed carry MSL Level 1 rating, making them equivalent in terms of moisture handling and storage requirements.

Q: Are there temperature range differences between substitutes?

A: Yes. The primary RS1JHE3_A/I specifies -55°C to 150°C junction temperature range. ES1J-LTP, GF1J, MRA4005T1G, and MRA4005T3G extend the upper limit to 175°C. If the application requires operation above 150°C, these extended-range parts are necessary. Conversely, if the application operates only within -55°C to 150°C, all substitutes are compatible.

Q: Is RoHS compliance identical across all substitutes?

A: Most substitutes carry ROHS3 compliance matching the primary part. However, ES1J (HY Electronic) is listed as "RoHS Compliant" without the "3" designation, and carries "REACH Affected" status. The primary RS1JHE3_A/I and most other substitutes carry "REACH Unaffected" status. For applications subject to strict REACH compliance requirements, verify the specific REACH status of the selected substitute part.

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