S1D-13 Equivalent & Substitute Parts

Part Overview

The S1D-13 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 200 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 functionally equivalent alternatives for ongoing production and repair applications. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while meeting modern compliance standards.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	V
Reverse Recovery Time (trr)	3	µs
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65°C ~ 150°C	°C

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 1 A
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.1 V @ 1 A
Current - Reverse Leakage @ Vr: Must not exceed 5 µA @ 200 V
Operating Temperature - Junction: Must encompass or exceed -65°C to 150°C range

Substitute parts are grouped into two categories: direct equivalents (identical electrical specifications and packaging) and functional equivalents (meeting all primary criteria with acceptable variations in secondary parameters). Parts with obsolete or "Not For New Designs" status are included for reference but are not recommended for new applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ 1A [V]	trr [µs/ns]	Ir @ 200V [µA]	Tj Range [°C]	Product Status	RoHS Status
S1D-13	Diodes Incorporated	200	1	1.1	3 µs	5	-65 ~ 150	Discontinued	Non-compliant
S1D-13-F	Diodes Incorporated	200	1	1.1	3 µs	5	-65 ~ 150	Active	ROHS3 Compliant
CSFA103-G	Comchip Technology	200	1	0.95	35 ns	5	-55 ~ 150	Active	ROHS3 Compliant
EGF1D	onsemi	200	1	1.0	50 ns	10	-65 ~ 175	Not For New Designs	ROHS3 Compliant
ES1D	EVVO Semi	200	1	1.0	35 ns	5	-55 ~ 150	Active	ROHS3 Compliant
ES1D-E3/5AT	Vishay General Semiconductor - Diodes Division	200	1	0.92	25 ns	5	-55 ~ 150	Active	ROHS3 Compliant
ES1D-E3/61T	Vishay General Semiconductor - Diodes Division	200	1	0.92	25 ns	5	-55 ~ 150	Active	ROHS3 Compliant
ES1D-LTP	Micro Commercial Co	200	1	0.95	35 ns	5	-65 ~ 175	Active	ROHS3 Compliant
ES1D-M3/61T	Vishay General Semiconductor - Diodes Division	200	1	0.92	25 ns	5	-55 ~ 150	Active	ROHS3 Compliant
ESH1D-E3/61T	Vishay General Semiconductor - Diodes Division	200	1	0.90	25 ns	1	-55 ~ 175	Active	ROHS3 Compliant
FS1DE-TP	Micro Commercial Co	200	1	1.3	150 ns	5	-50 ~ 150	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: S1D-13-F

The S1D-13-F is the direct successor to the S1D-13, manufactured by Diodes Incorporated. It maintains identical electrical specifications (200 V, 1 A, 1.1 V forward voltage, 3 µs recovery time) and packaging (DO-214AC, SMA). The S1D-13-F is currently active and ROHS3 compliant, addressing the compliance deficiency of the discontinued S1D-13. This part provides seamless compatibility for direct replacement in existing designs.

Secondary Recommendations for Active Parts:

ES1D-E3/61T and ES1D-M3/61T (Vishay General Semiconductor - Diodes Division) are functionally equivalent alternatives with improved performance characteristics. Both parts feature faster recovery time (25 ns versus 3 µs), lower forward voltage (0.92 V versus 1.1 V), and ROHS3 compliance. ES1D-E3/61T and ES1D-M3/61T are suitable for applications where reduced power dissipation and faster switching are beneficial. Inventory availability for ES1D-E3/61T is substantial (2,328,659 pcs).

ES1D-LTP (Micro Commercial Co) offers extended operating temperature range (-65°C to 175°C) compared to the original S1D-13 (-65°C to 150°C), with active product status and ROHS3 compliance. This part is appropriate for applications requiring enhanced thermal performance.

ESH1D-E3/61T (Vishay General Semiconductor - Diodes Division) provides the lowest forward voltage (0.90 V) and reverse leakage current (1 µA), with extended temperature range (-55°C to 175°C). This part is suitable for low-power and precision applications.

Parts Not Recommended for New Designs:

EGF1D (onsemi) carries a "Not For New Designs" status and should not be selected for new applications. FS1DE-TP (Micro Commercial Co) is obsolete and unsuitable for ongoing production.

Frequently Asked Questions (FAQ)

Q: Can S1D-13-F be used as a direct replacement for S1D-13?

A: Yes. S1D-13-F is electrically and mechanically identical to S1D-13, with the same voltage rating (200 V), current rating (1 A), forward voltage (1.1 V @ 1 A), and package (DO-214AC, SMA). The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 compliant versus non-compliant).

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

A: The S1D-13 features standard recovery with a 3 µs reverse recovery time. Substitute parts such as ES1D-E3/61T, ES1D-M3/61T, and ESH1D-E3/61T feature fast recovery with 25 ns reverse recovery time. Fast recovery reduces switching losses and is beneficial in high-frequency applications. Both types meet the 200 V, 1 A electrical requirements.

Q: Are all substitute parts available in the same package?

A: All substitute parts are available in DO-214AC (SMA) surface mount package, maintaining mechanical compatibility with the original S1D-13. Packaging format (Cut Tape, Tape & Reel) varies by manufacturer and part number but does not affect electrical or mechanical compatibility.

Q: What is the significance of forward voltage differences among substitute parts?

A: Forward voltage variations (ranging from 0.90 V to 1.3 V at 1 A) affect power dissipation and thermal performance. Lower forward voltage (0.90 V to 0.95 V) reduces heat generation, beneficial in power-sensitive applications. The original S1D-13 specifies 1.1 V maximum; all recommended active substitutes meet or improve upon this specification.

Q: Can I use parts with extended temperature ranges in place of S1D-13?

A: Yes, if your application requires it. The S1D-13 operates from -65°C to 150°C. Substitute parts such as ES1D-LTP and ESH1D-E3/61T extend the upper limit to 175°C, providing additional thermal margin. This substitution is valid when the extended range does not introduce cost or performance concerns.

Q: Why is reverse leakage current specified at 200 V?

A: Reverse leakage current is measured at the maximum rated reverse voltage (200 V in this case) to characterize diode quality and temperature stability. Most substitute parts specify 5 µA at 200 V, matching the original S1D-13. ESH1D-E3/61T specifies 1 µA, indicating superior reverse blocking characteristics.

Q: Should I consider parts with "Not For New Designs" status?

A: No. Parts designated "Not For New Designs" (such as EGF1D) should not be selected for new applications. These parts are included in this reference for legacy system maintenance only. For new designs, select from parts with "Active" product status.

Q: What does ROHS3 compliance mean for this application?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. The original S1D-13 is non-compliant; all recommended substitute parts are ROHS3 compliant, meeting modern environmental and regulatory standards.

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