CS1M-E3/I Equivalent & Substitute Parts

Part Overview

The CS1M-E3/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 1000 V DC reverse voltage and 1 A average rectified current in a DO-214AC (SMA) surface mount package. This part is classified as obsolete, indicating it is no longer in active production. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing manufacturing requirements for applications utilizing this component.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	1000 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Package / Case	DO-214AC, SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Standard
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the CS1M-E3/I is determined by the following critical parameters:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 1000 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
Operating Temperature - Junction: -55°C ~ 150°C

Mechanical Parameters:

Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount

Compliance Parameters:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed maintain identical electrical ratings and package specifications. Variations in reverse recovery time (trr), capacitance, and packaging format (Cut Tape vs. Tape & Reel) do not affect functional substitution. Automotive-grade variants with AEC-Q100 or AEC-Q101 qualifications provide enhanced reliability for applications requiring automotive-level performance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Package	Product Status	Packaging Format	Automotive Grade
CS1M-E3/I	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Obsolete	Individual	No
S1M-E3/5AT	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Cut Tape & Digi-Reel	No
S1M-E3/61T	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Cut Tape & Digi-Reel	No
S1M-M3/5AT	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Tape & Reel	No
S1M-M3/61T	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Tape & Reel	No
S1MHE3_A/H	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Cut Tape & Digi-Reel	Yes (AEC-Q100)
S1MHE3_A/I	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Tape & Reel	Yes (AEC-Q100)
S1MHM3_A/H	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Cut Tape & Digi-Reel	Yes (AEC-Q101)
S1MHM3_A/I	Vishay	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Cut Tape & Digi-Reel	Yes (AEC-Q101)
CMR1-10M TR13 PBFREE	Central Semiconductor Corp	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Tape & Reel	No
ACGRA4007-HF	Comchip Technology	1000 V	1 A	1.1 V @ 1 A	DO-214AC, SMA	Active	Tape & Reel	Yes (AEC-Q101)

Engineering Selection Recommendations

Primary Substitutes (Vishay S1M Series - Active Status)

The S1M series variants from Vishay represent the direct active-production equivalents to the obsolete CS1M-E3/I. All S1M variants maintain identical electrical specifications and package configuration. Selection among S1M options depends on packaging format requirements:

S1M-E3/5AT and S1M-E3/61T: Cut Tape & Digi-Reel format for lower-volume or mixed-component applications
S1M-M3/5AT and S1M-M3/61T: Tape & Reel format for high-volume production environments

Automotive-Grade Alternatives (Vishay S1MH Series)

For applications requiring automotive-level reliability and qualification:

S1MHE3_A/H and S1MHE3_A/I: AEC-Q100 qualified, available in Cut Tape & Digi-Reel or Tape & Reel formats
S1MHM3_A/H and S1MHM3_A/I: AEC-Q101 qualified, available in Cut Tape & Digi-Reel format

Cross-Manufacturer Alternatives

CMR1-10M TR13 PBFREE (Central Semiconductor Corp): Active status, Tape & Reel format, standard technology
ACGRA4007-HF (Comchip Technology): Active status, Tape & Reel format, AEC-Q101 automotive qualification

All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I directly replace CS1M-E3/I with any S1M variant?

A: Yes. All S1M variants from Vishay maintain identical electrical ratings (1000 V, 1 A, 1.1 V forward voltage) and DO-214AC package specifications. Selection depends on packaging format (Cut Tape vs. Tape & Reel) and whether automotive qualification is required.

Q: What is the difference between S1M-E3/5AT and S1M-M3/5AT?

A: Both parts have identical electrical specifications and package type. The difference is in packaging format: S1M-E3/5AT is supplied in Cut Tape & Digi-Reel format, while S1M-M3/5AT is supplied in Tape & Reel format. Selection depends on production volume and assembly equipment compatibility.

Q: Are automotive-grade variants (S1MH series) suitable for non-automotive applications?

A: Yes. Automotive-grade parts exceed standard reliability requirements and are fully compatible with non-automotive applications. They provide enhanced performance margin and are appropriate for mission-critical or high-reliability designs.

Q: What is the difference between AEC-Q100 and AEC-Q101 qualifications?

A: Both are automotive electronics qualifications. AEC-Q100 applies to discrete semiconductors, while AEC-Q101 applies to optoelectronic devices. For this rectifier diode application, both qualifications indicate automotive-level reliability testing and screening.

Q: Can I use CMR1-10M TR13 PBFREE or ACGRA4007-HF as substitutes?

A: Yes. Both parts maintain identical electrical specifications and package configuration. CMR1-10M TR13 PBFREE is a standard-grade alternative from Central Semiconductor Corp. ACGRA4007-HF is an automotive-qualified alternative from Comchip Technology. Cross-manufacturer substitution is electrically valid when specifications match.

Q: Does reverse recovery time (trr) variation affect substitution?

A: Reverse recovery time differences (1.5 µs for CS1M-E3/I versus 1.8 µs or 2.5 µs for substitutes) do not prevent functional substitution in standard rectification applications. Applications with specific switching frequency or EMI requirements should verify compatibility with the substitute part's trr specification.

Q: Are all listed parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes and storage conditions.

Q: What packaging format should I select for high-volume production?

A: Tape & Reel format (S1M-M3/5AT, S1M-M3/61T, CMR1-10M TR13 PBFREE, ACGRA4007-HF) is optimized for automated assembly equipment and high-volume production. Cut Tape & Digi-Reel format is suitable for lower-volume applications or mixed-component kits.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message