Equivalent & Substitute Parts for S3J-M3/9AT

Part Overview

The S3J-M3/9AT is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 600 V DC reverse voltage with a 3 A average rectified current rating and is packaged in DO-214AB (SMC) format on Tape & Reel (TR). The device is classified as Active product status and complies with ROHS3 standards. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design alternatives while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 2.5 A	V
Reverse Recovery Time (trr)	2.5	µs
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Capacitance @ Vr, F	60	pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S3J-M3/9AT are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: 600 V DC reverse voltage, 3 A average rectified current, 1.15 V forward voltage at 2.5 A, 2.5 µs reverse recovery time, 10 µA reverse leakage current at 600 V, and 60 pF capacitance at 4 V, 1 MHz. These parts differ only in packaging format (Tape & Reel versus Cut Tape) or manufacturing variant codes. Parametric equivalents include S3J-E3/57T, S3J-E3/9AT, S3J-M3/57T, S3JHE3_A/H, and S3JHE3_A/I.

Manufacturer Recommended Substitutes are sourced from alternative manufacturers and exhibit variations in one or more electrical parameters while maintaining the same 600 V / 3 A voltage and current ratings and DO-214AB SMC package format. These parts include ER3J-TP, ES3J, MURS360T3G, RS3J-13-F, and S3J from Diotec Semiconductor. Variations occur in forward voltage drop, reverse recovery time, reverse leakage current, and operating temperature range. All substitute parts maintain Surface Mount DO-214AB (SMC) packaging and ROHS3 compliance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	trr [µs/ns]	Ir @ Vr [µA]	C @ Vr [pF]	Packaging	Temp Range [°C]
S3J-M3/9AT	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	TR	-55 to 150
S3J-E3/57T	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	CT	-55 to 150
S3J-E3/9AT	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	TR	-55 to 150
S3J-M3/57T	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	CT & Digi-Reel	-55 to 150
S3JHE3_A/H	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	TR	-55 to 150
S3JHE3_A/I	Vishay	600	3	1.15 @ 2.5A	2.5	10 @ 600V	60 @ 4V	CT	-55 to 150
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3A	0.035	5 @ 600V	—	TR	-50 to 175
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3A	0.035	10 @ 600V	40 @ 4V	CT & Digi-Reel	-55 to 150
MURS360T3G	onsemi	600	3	1.25 @ 3A	0.075	10 @ 600V	—	CT & Digi-Reel	-65 to 175
RS3J-13-F	Diodes Incorporated	600	3	1.3 @ 3A	0.25	5 @ 600V	50 @ 4V	TR	-65 to 150
S3J	Diotec Semiconductor	600	3	1.15 @ 3A	1.5	5 @ 600V	—	CT & Digi-Reel	-50 to 150

Engineering Selection Recommendations

Parametric Equivalents (Vishay S3J Series): Parts S3J-E3/57T, S3J-E3/9AT, S3J-M3/57T, S3JHE3_A/H, and S3JHE3_A/I are direct electrical equivalents to the S3J-M3/9AT. Selection among these parts depends on packaging format requirements. For Tape & Reel applications, S3J-E3/9AT and S3JHE3_A/H are suitable. For Cut Tape or Digi-Reel formats, S3J-E3/57T, S3J-M3/57T, and S3JHE3_A/I are appropriate. Parts S3JHE3_A/H and S3JHE3_A/I carry AEC-Q101 automotive qualification and are suitable for automotive-grade applications. All parametric equivalents maintain identical electrical performance and ROHS3 compliance.

Manufacturer Recommended Substitutes: Alternative manufacturer parts exhibit electrical variations that must be evaluated against circuit requirements. ER3J-TP, ES3J, MURS360T3G, RS3J-13-F, and Diotec S3J all maintain 600 V / 3 A ratings and DO-214AB SMC packaging. Forward voltage varies from 1.15 V to 1.7 V, and reverse recovery time ranges from 35 ns to 2.5 µs. These variations affect switching performance and power dissipation. Selection of alternative manufacturers requires confirmation that circuit design tolerates the specified parameter deviations. All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited).

Frequently Asked Questions (FAQ)

Q: Can S3J-E3/57T replace S3J-M3/9AT in production?

A: Yes. S3J-E3/57T is a parametric equivalent with identical electrical specifications. The difference is packaging format: S3J-E3/57T is supplied in Cut Tape (CT) format while S3J-M3/9AT is Tape & Reel (TR). Verify that your assembly process accommodates Cut Tape packaging.

Q: What is the difference between S3JHE3_A/H and S3JHE3_A/I?

A: Both parts are parametric equivalents with identical electrical specifications and AEC-Q101 automotive qualification. S3JHE3_A/H is supplied in Tape & Reel (TR) format, while S3JHE3_A/I is supplied in Cut Tape (CT) format. Electrical performance is identical.

Q: Can I use ER3J-TP as a direct replacement for S3J-M3/9AT?

A: ER3J-TP maintains the same 600 V / 3 A ratings and DO-214AB SMC package. However, forward voltage is higher (1.7 V @ 3 A versus 1.15 V @ 2.5 A), and reverse recovery time is significantly faster (35 ns versus 2.5 µs). Verify that your circuit design tolerates increased forward voltage drop and faster switching characteristics.

Q: What are the key differences between ES3J and the main part S3J-M3/9AT?

A: ES3J maintains 600 V / 3 A ratings and DO-214AB SMC packaging. Forward voltage is higher (1.7 V @ 3 A), reverse recovery time is faster (35 ns), and capacitance is lower (40 pF versus 60 pF). Operating temperature range is identical (-55°C to 150°C). Confirm circuit tolerance for these parameter variations.

Q: Is MURS360T3G compatible with S3J-M3/9AT?

A: MURS360T3G maintains 600 V / 3 A ratings and DO-214AB SMC packaging. Forward voltage is slightly higher (1.25 V @ 3 A), and reverse recovery time is faster (75 ns). Operating temperature range is wider (-65°C to 175°C). Verify circuit compatibility with these electrical variations.

Q: What does AEC-Q101 qualification mean for S3JHE3_A/H and S3JHE3_A/I?

A: AEC-Q101 is an automotive electronics qualification standard. Parts bearing this qualification have undergone testing and validation for automotive applications. S3JHE3_A/H and S3JHE3_A/I are suitable for automotive-grade designs, while other parts in this list do not carry this designation.

Q: Can I mix packaging formats (Tape & Reel and Cut Tape) in the same production run?

A: Electrical performance is identical across packaging formats. However, assembly equipment compatibility must be verified. Tape & Reel (TR) and Cut Tape (CT) formats require different handling and feeding mechanisms. Confirm your assembly process supports the selected packaging format before implementation.

Q: Why does reverse recovery time vary so significantly among substitute parts?

A: Reverse recovery time is determined by semiconductor manufacturing process and doping profile. Faster recovery (35 ns to 75 ns) indicates fast-recovery or ultra-fast-recovery diodes, while slower recovery (1.5 µs to 2.5 µs) indicates standard-recovery diodes. Faster recovery reduces switching losses but may increase electromagnetic interference. Standard-recovery diodes are suitable for line-frequency rectification, while fast-recovery diodes are preferred for switching power supplies.

Q: Are all parts in this list ROHS3 compliant?

A: Yes. All parts listed maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

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