Equivalent & Substitute Parts for RS1J-13 General Purpose Rectifier Diode

Part Overview

The RS1J-13 is a general purpose rectifier diode manufactured by Diodes Incorporated, rated for 600 V DC reverse voltage and 1 A average rectified current in a surface mount SMA package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing production and repair applications. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with acceptable parameter variations within the same application category.

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	V @ 1 A
Reverse Recovery Time (trr)	250	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Mounting Type	Surface Mount	-
Package / Case	DO-214AC, SMA	-
Operating Temperature - Junction	-65°C ~ 150°C	-
Technology	Standard	-
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	-

Substitute Part Grouping Explanation

Substitution of the RS1J-13 is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 1 A
Mounting Type: Surface Mount
Package / Case: DO-214AC or SMA compatible

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Up to 1.7 V @ 1 A
Reverse Recovery Time (trr): Up to 2 µs (2000 ns)
Current - Reverse Leakage @ Vr: Up to 10 µA @ 600 V
Operating Temperature - Junction: Minimum -55°C, Maximum 150°C or higher
Capacitance @ Vr, F: Variation acceptable when not specified

Substitute parts are grouped into three categories: parametric equivalents (identical specifications with different packaging), direct manufacturer alternatives (different manufacturers with equivalent performance), and functional substitutes (acceptable parameter variations within application limits).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ 1A (V)	trr (ns)	Ir @ 600V (µA)	Package	Temp Range (°C)	Product Status	RoHS Status
RS1J-13	Diodes Incorporated	600	1	1.3	250	5	DO-214AC, SMA	-65 ~ 150	Discontinued	Non-compliant
RS1J-13-F	Diodes Incorporated	600	1	1.3	250	5	DO-214AC, SMA	-65 ~ 150	Active	ROHS3 Compliant
RGF1J-E3/67A	Vishay General Semiconductor	600	1	1.3	250	5	DO-214BA	-65 ~ 175	Active	ROHS3 Compliant
CSFA105-G	Comchip Technology	600	1	1.5	35	5	DO-214AC, SMA	-55 ~ 150	Active	ROHS3 Compliant
ES1J	HY Electronic (Cayman) Limited	600	1	1.7	35	5	DO-214AC, SMA	-55 ~ 150	Active	RoHS Compliant
ES1J-LTP	Micro Commercial Co	600	1	1.7	35	5	DO-214AC, SMA	-65 ~ 175	Active	ROHS3 Compliant
GF1J	onsemi	600	1	1.0	2000	5	DO-214AC, SMA	-65 ~ 175	Not For New Designs	ROHS3 Compliant
GS1J-LTP	Micro Commercial Co	600	1	1.0	>500	10	DO-214AC, SMA	-55 ~ 150	Active	ROHS3 Compliant
MRA4005T1G	onsemi	600	1	1.1	>500	10	DO-214AC, SMA	-55 ~ 175	Not For New Designs	ROHS3 Compliant
MRA4005T3G	onsemi	600	1	1.1	>500	10	DO-214AC, SMA	-55 ~ 175	Not For New Designs	ROHS3 Compliant
NRVA4005T3G	onsemi	600	1	1.1	>500	10	DO-214AC, SMA	-55 ~ 150	Not For New Designs	ROHS3 Compliant

Engineering Selection Recommendations

Primary Equivalent (Recommended for Direct Replacement):

RS1J-13-F from Diodes Incorporated is the primary equivalent part. It maintains identical electrical specifications (600 V, 1 A, 1.3 V forward voltage, 250 ns recovery time) and mechanical compatibility with the discontinued RS1J-13. The RS1J-13-F is currently in active production status with ROHS3 compliance, making it the preferred choice for new designs and production continuity. Inventory availability is substantial at 151,735 pieces.

Secondary Equivalents (Identical Electrical Performance, Different Package):

RGF1J-E3/67A from Vishay General Semiconductor provides identical electrical specifications but uses the DO-214BA package instead of SMA. This part is suitable for applications where package footprint differences are acceptable. It offers extended operating temperature range (-65°C to 175°C) and is in active production with ROHS3 compliance.

Functional Substitutes (Active Production, Acceptable Parameter Variations):

ES1J-LTP from Micro Commercial Co is an active production substitute with extended temperature range (-65°C to 175°C) and ROHS3 compliance. Forward voltage increases to 1.7 V and recovery time reduces to 35 ns, both acceptable variations for general purpose rectification applications. This part provides superior availability (55,300 pieces in stock).

CSFA105-G from Comchip Technology is an active production substitute with fast recovery characteristics (35 ns) and ROHS3 compliance. Forward voltage is 1.5 V, within acceptable limits. Operating temperature range is -55°C to 150°C, matching the original specification minimum.

Legacy Alternatives (Not Recommended for New Designs):

GF1J, MRA4005T1G, MRA4005T3G, and NRVA4005T3G are marked as "Not For New Designs" by their manufacturers. These parts are available in inventory but should not be selected for new product development. GF1J exhibits significantly longer recovery time (2 µs) compared to the original 250 ns specification, indicating standard recovery technology rather than fast recovery.

Compliance Considerations:

All recommended active production substitutes maintain ROHS3 compliance. The original RS1J-13 is RoHS non-compliant; therefore, RS1J-13-F or ES1J-LTP are required for applications subject to RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can RS1J-13-F be used as a direct replacement for RS1J-13?

A: Yes. RS1J-13-F is the parametric equivalent with identical electrical specifications (600 V, 1 A, 1.3 V forward voltage, 250 ns recovery time) and mechanical compatibility. The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 versus non-compliant). Pin configuration and package footprint are identical.

Q: What is the difference between DO-214AC and DO-214BA packages?

A: Both are surface mount packages for single diodes. DO-214AC (SMA) and DO-214BA (GF1) are physically different footprints. RGF1J-E3/67A uses DO-214BA, while RS1J-13 uses DO-214AC. These packages are not interchangeable without PCB redesign. Verify footprint compatibility before substitution.

Q: Why do some substitute parts have higher forward voltage (1.5 V or 1.7 V) compared to the original 1.3 V?

A: Forward voltage variation is a normal characteristic of different semiconductor manufacturing processes and materials. CSFA105-G (1.5 V) and ES1J-LTP (1.7 V) remain within acceptable limits for general purpose rectification. Higher forward voltage results in slightly increased power dissipation but does not affect circuit functionality in most applications. Verify thermal design margins if forward voltage increase is critical.

Q: What does "Fast Recovery ≤ 500ns" mean, and why is it important?

A: Recovery time is the duration required for a diode to transition from conducting to blocking state. Fast recovery (≤ 500 ns) reduces switching losses and electromagnetic interference in high-frequency applications. The original RS1J-13 specifies 250 ns recovery time. Substitutes with longer recovery times (GF1J at 2 µs, GS1J-LTP at > 500 ns) are acceptable for lower-frequency applications but may increase losses in switching power supplies.

Q: Are automotive-grade parts (NRVA4005T3G with AEC-Q101 qualification) suitable for non-automotive applications?

A: Yes. Automotive-grade parts meet additional reliability and qualification standards but are functionally compatible with general purpose applications. NRVA4005T3G is marked "Not For New Designs," making it unsuitable for new product development regardless of application type.

Q: What is the significance of RoHS compliance status?

A: RoHS (Restriction of Hazardous Substances) compliance is a regulatory requirement in many markets. RS1J-13 is RoHS non-compliant, while RS1J-13-F and ES1J-LTP are ROHS3 compliant. For applications subject to RoHS regulations (EU, China, and other regions), only ROHS3 compliant parts are acceptable. Verify regulatory requirements for your target market.

Q: Can I use GF1J or MRA4005 series parts for new designs?

A: No. These parts are marked "Not For New Designs" by their manufacturers. While they are functionally compatible and available in inventory, manufacturer guidance prohibits their use in new product development. Use RS1J-13-F, ES1J-LTP, or CSFA105-G for new designs.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel packaging?

A: Tape & Reel (TR) packaging provides continuous reels suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides smaller quantities on cut tape segments, suitable for lower-volume production or prototyping. Both formats contain identical components; packaging format selection depends on production volume and assembly equipment compatibility.

Q: How do I verify that a substitute part is compatible with my circuit?

A: Verify the following parameters match or exceed your circuit requirements: (1) Voltage - DC Reverse (Vr) must equal or exceed the maximum reverse voltage in your circuit; (2) Current - Average Rectified (Io) must equal or exceed the maximum forward current; (3) Operating temperature range must encompass your application environment; (4) Package footprint must match your PCB design or require redesign. Forward voltage and recovery time variations are acceptable if thermal and switching performance margins are maintained.

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