Equivalent & Substitute Parts for S3J-13

Part Overview

The S3J-13 is a general-purpose rectifier diode rated for 600 V DC reverse voltage and 3 A average rectified current in a surface mount SMC (DO-214AB) package. Manufactured by Diodes Incorporated, this component is classified as discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives. The part operates across a junction temperature range of -65°C to 150°C with standard recovery characteristics and RoHS non-compliant status. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and package standardization.

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 @ 3 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65 to 150	°C

Substitute Part Grouping Explanation

Substitute parts for the S3J-13 are grouped into two categories based on electrical and mechanical compatibility:

Category 1: Direct Electrical Equivalents (Same Voltage, Current, and Recovery Speed) These parts maintain the 600 V reverse voltage rating, 3 A average rectified current, and standard recovery characteristics (>500ns). Substitutes in this category include S3J-13-F, S3J-TP, S3J-E3/57T, and S3J from Diotec Semiconductor. These parts are mechanically and electrically interchangeable with the original S3J-13 in applications where standard recovery speed is specified.

Category 2: Enhanced Performance Alternatives (Same Voltage and Current, Faster Recovery) These parts maintain the 600 V reverse voltage and 3 A current ratings but feature fast recovery characteristics (≤500ns). Substitutes in this category include ER3J-TP, ES3J, MURS360T3G, RS3J-E3/57T, and RS3J-E3/9AT. These parts are suitable for applications tolerating or benefiting from faster recovery times.

Category 3: Higher Current Rating (600 V, 6 A) The SMLJ60S6-TP provides a 600 V rating with doubled current capacity (6 A). This part is applicable only in applications where the higher current rating does not create thermal or circuit design conflicts.

Substitution eligibility is determined by: (1) matching or exceeding the 600 V DC reverse voltage rating, (2) matching or exceeding the 3 A average rectified current, (3) compatible DO-214AB (SMC) package, and (4) surface mount mounting type.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	Ir @ Vr [µA]	Package	Product Status	RoHS Status
S3J-13	Diodes Incorporated	600	3	1.15 @ 3A	Standard >500ns	10 @ 600V	DO-214AB, SMC	Discontinued	Non-compliant
S3J-13-F	Diodes Incorporated	600	3	1.15 @ 3A	Standard >500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
ER3J-TP	Micro Commercial Co	600	3	1.7 @ 3A	Fast ≤500ns	5 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
ES3J	Good-Ark Semiconductor	600	3	1.7 @ 3A	Fast ≤500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
MURS360T3G	onsemi	600	3	1.25 @ 3A	Fast ≤500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
RS3J-E3/57T	Vishay General Semiconductor	600	3	1.3 @ 2.5A	Fast ≤500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
RS3J-E3/9AT	Vishay General Semiconductor	600	3	1.3 @ 2.5A	Fast ≤500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
S3J	Diotec Semiconductor	600	3	1.15 @ 3A	Standard >500ns	5 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
S3J-E3/57T	Vishay General Semiconductor	600	3	1.15 @ 2.5A	Standard >500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
S3J-TP	Micro Commercial Co	600	3	1.2 @ 3A	Standard >500ns	10 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant
SMLJ60S6-TP	Micro Commercial Co	600	6	1 @ 6A	Standard >500ns	5 @ 600V	DO-214AB, SMC	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: S3J-13-F The S3J-13-F from Diodes Incorporated is the direct equivalent to the S3J-13, maintaining identical electrical specifications (600 V, 3 A, 1.15 V forward voltage at 3 A, standard recovery). This part is currently active in production and ROHS3 compliant, addressing the RoHS non-compliance status of the original part. The S3J-13-F is supplied in Tape & Reel packaging with 101,011 units in stock, ensuring supply continuity.

Secondary Recommendation for Standard Recovery Applications: S3J-TP The S3J-TP from Micro Commercial Co provides equivalent electrical performance with standard recovery characteristics. Forward voltage is specified at 1.2 V @ 3 A, marginally lower than the original 1.15 V specification. This part is ROHS3 compliant and available in high volume (39,720 units in stock) in Tape & Reel packaging.

Alternative for Standard Recovery: S3J-E3/57T The S3J-E3/57T from Vishay General Semiconductor maintains the 600 V and 3 A ratings with standard recovery speed. Forward voltage is specified at 1.15 V @ 2.5 A. This part is ROHS3 compliant with 15,200 units in stock in Cut Tape packaging.

Alternatives for Fast Recovery Applications: ER3J-TP, ES3J, MURS360T3G These parts provide faster recovery characteristics (≤500ns) while maintaining 600 V and 3 A ratings. Selection among these depends on forward voltage tolerance and operating temperature requirements. ER3J-TP and ES3J feature lower forward voltages (1.7 V and 1.7 V respectively) compared to MURS360T3G (1.25 V). All three are ROHS3 compliant and available in active production.

Higher Current Alternative: SMLJ60S6-TP The SMLJ60S6-TP provides doubled current capacity (6 A) at the same 600 V rating. This part is applicable only when circuit design accommodates the higher current rating without creating thermal or performance conflicts.

All recommended substitutes are ROHS3 compliant, addressing the non-compliance status of the original S3J-13. Selection should be based on recovery speed requirements (standard vs. fast), forward voltage tolerance, and packaging format (Tape & Reel vs. Cut Tape).

Frequently Asked Questions (FAQ)

Q: Can the S3J-13-F be used as a direct replacement for the S3J-13? A: Yes. The S3J-13-F maintains identical electrical specifications: 600 V reverse voltage, 3 A average rectified current, 1.15 V forward voltage at 3 A, and standard recovery characteristics. Both use the DO-214AB (SMC) surface mount package. The primary difference is product status (S3J-13-F is active) and RoHS compliance (S3J-13-F is ROHS3 compliant).

Q: What is the difference between standard recovery and fast recovery diodes? A: Recovery speed refers to the time required for the diode to transition from conducting to blocking state. Standard recovery diodes have recovery times exceeding 500 ns, while fast recovery diodes have recovery times of 500 ns or less. Fast recovery diodes reduce switching losses in high-frequency applications but may exhibit higher forward voltage. The S3J-13 specifies standard recovery (>500ns).

Q: Are fast recovery substitutes (ER3J-TP, ES3J, MURS360T3G) compatible with the S3J-13? A: Fast recovery diodes are electrically compatible with standard recovery applications from a voltage and current perspective. However, the faster recovery characteristic may affect circuit behavior in applications sensitive to switching transients. Fast recovery substitutes are suitable for applications where faster switching is beneficial or neutral to circuit operation.

Q: What does the packaging designation "Tape & Reel (TR)" mean? A: Tape & Reel packaging indicates the component is supplied on a continuous carrier tape wound on a reel, suitable for automated assembly equipment. Cut Tape (CT) indicates the tape has been cut into smaller sections. Both formats use the same DO-214AB (SMC) component package; the difference is in supply format and handling.

Q: Can the SMLJ60S6-TP (6 A) be used in place of the S3J-13 (3 A)? A: The SMLJ60S6-TP is electrically compatible from a voltage perspective (both 600 V) and mechanically compatible (both DO-214AB, SMC). However, the doubled current rating (6 A vs. 3 A) may not be appropriate for all applications. Use this substitute only when circuit design accommodates the higher current rating without creating thermal or performance issues.

Q: Why is the S3J-13 listed as discontinued? A: The S3J-13 is discontinued at DiGi Electronics, indicating it is no longer actively stocked by this distributor. However, equivalent parts remain available from multiple manufacturers, including the S3J-13-F from Diodes Incorporated and alternatives from Micro Commercial Co, Good-Ark Semiconductor, onsemi, Vishay, and Diotec Semiconductor.

Q: What is RoHS compliance and why does it matter? A: RoHS (Restriction of Hazardous Substances) compliance indicates the component does not contain restricted materials such as lead, mercury, or cadmium. ROHS3 compliance is the current standard. The original S3J-13 is RoHS non-compliant, while all recommended substitutes are ROHS3 compliant, making them suitable for applications with RoHS requirements.

Q: How do I select between multiple equivalent parts? A: Selection criteria include: (1) recovery speed requirement (standard vs. fast), (2) forward voltage tolerance, (3) operating temperature range, (4) packaging format (Tape & Reel vs. Cut Tape), (5) inventory availability, and (6) RoHS compliance status. All recommended substitutes meet the core electrical requirements (600 V, 3 A, DO-214AB package).

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