MBR20100CT-E1 Equivalent & Substitute Parts

Part Overview

The MBR20100CT-E1 is a Schottky diode array with 1 pair common cathode configuration, rated for 100 V DC reverse voltage and 10 A average rectified current per diode in a TO-220-3 through-hole package. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the MBR20100CT-E1 is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io) (per Diode): 10 A
Mounting Type: Through Hole
Package / Case: TO-220-3

Secondary Compatibility Parameters:

Voltage - Forward (Vf) (Max) @ If: Must not exceed 850 mV @ 10 A for direct substitution
Operating Temperature - Junction: Must encompass or exceed -65°C ~ 150°C range
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Parts are grouped into two categories:

Direct Equivalents (Same Current Rating - 10 A): Parts meeting all primary equivalence criteria with identical 10 A current rating.

Functional Equivalents (Higher Current Ratings): Parts with identical voltage and configuration specifications but rated for higher current capacity (15 A, 30 A, 40 A). These provide enhanced thermal and current handling margins while maintaining full backward compatibility with the original 10 A design requirement.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Operating Temp (Junction)	Package	Product Status
MBR20100CT-E1	Diodes Incorporated	100 V	10 A	850 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Obsolete
MBR20100CT-G1	Diodes Incorporated	100 V	10 A	840 mV @ 10 A	-55°C ~ 175°C	TO-220-3	Active
MBR20100CT-E3/4W	Vishay General Semiconductor - Diodes Division	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Active
MBR20100CT-M3/4W	Vishay General Semiconductor - Diodes Division	100 V	10 A	800 mV @ 10 A	-65°C ~ 150°C	TO-220-3	Active
DSA20C100PB	IXYS	100 V	10 A	900 mV @ 10 A	-55°C ~ 175°C	TO-220-3	Active
DSA30C100PB	IXYS	100 V	15 A	910 mV @ 15 A	-55°C ~ 175°C	TO-220-3	Active
DSA60C100PB	IXYS	100 V	30 A	950 mV @ 30 A	-55°C ~ 175°C	TO-220-3	Active
DSA80C100PB	IXYS	100 V	40 A	910 mV @ 40 A	-55°C ~ 175°C	TO-220-3	Active
DSSK16-01A	IXYS	100 V	8 A	810 mV @ 8 A	-55°C ~ 175°C	TO-220-3	Active
DST20100C	Littelfuse Inc.	100 V	10 A	550 mV @ 10 A	-55°C ~ 150°C	TO-220-3	Active
DST30100C	Littelfuse Inc.	100 V	10 A	750 mV @ 15 A	-55°C ~ 150°C	TO-220-3	Active

Engineering Selection Recommendations

Tier 1 - Direct Equivalents (Recommended Primary Substitutes):

MBR20100CT-G1, MBR20100CT-E3/4W, and MBR20100CT-M3/4W are direct functional equivalents with identical 10 A current ratings and TO-220-3 packaging. MBR20100CT-G1 is an active product from the original manufacturer (Diodes Incorporated) with AEC-Q101 automotive qualification, providing the highest compatibility assurance. MBR20100CT-E3/4W and MBR20100CT-M3/4W are Vishay TMBS® series parts with improved forward voltage characteristics (800 mV vs. 850 mV) and extended upper operating temperature to 175°C.

Tier 2 - Functional Equivalents with Higher Current Ratings:

DSA20C100PB (IXYS, 10 A), DSA30C100PB (IXYS, 15 A), DSA60C100PB (IXYS, 30 A), and DSA80C100PB (IXYS, 40 A) maintain identical 100 V reverse voltage and TO-220-3 packaging while providing increased current capacity. These parts are suitable for applications where thermal margin or current headroom is beneficial. All IXYS parts are active products with extended operating temperature range (-55°C ~ 175°C).

Tier 3 - Alternative Manufacturers:

DST20100C and DST30100C (Littelfuse Inc.) are active 10 A rated alternatives with superior forward voltage performance (550 mV and 750 mV respectively). These parts maintain 100 V reverse voltage and TO-220-3 packaging. Operating temperature range is -55°C ~ 150°C, matching the upper limit of the original part.

Tier 4 - Current Derating Option:

DSSK16-01A (IXYS, 8 A) is an active alternative with slightly reduced current rating. This part is suitable only for applications where the 10 A requirement can be relaxed or where thermal derating is acceptable.

All substitute parts listed are ROHS3 compliant and maintain the same through-hole mounting type and TO-220-3 package footprint as the original MBR20100CT-E1.

Frequently Asked Questions (FAQ)

Q: Can MBR20100CT-G1 be used as a direct replacement for MBR20100CT-E1?

A: Yes. MBR20100CT-G1 is a direct equivalent with identical diode configuration (1 Pair Common Cathode), voltage rating (100 V), current rating (10 A), and TO-220-3 package. The primary difference is product status (Active vs. Obsolete) and improved forward voltage characteristics (840 mV vs. 850 mV @ 10 A). MBR20100CT-G1 includes AEC-Q101 automotive qualification.

Q: What is the difference between MBR20100CT-E3/4W and MBR20100CT-M3/4W?

A: Both parts are Vishay TMBS® series with identical electrical specifications: 100 V reverse voltage, 10 A current rating, 800 mV forward voltage @ 10 A, and -65°C ~ 150°C operating temperature range. Both are packaged in TO-220-3 and are active products. The designation difference reflects internal Vishay product line variations but does not affect functional equivalence.

Q: Can higher-rated parts like DSA30C100PB (15 A) be used instead of the 10 A MBR20100CT-E1?

A: Yes. Higher current-rated parts with identical voltage specifications and package are functionally compatible. DSA30C100PB, DSA60C100PB, and DSA80C100PB maintain the same 100 V reverse voltage, 1 Pair Common Cathode configuration, and TO-220-3 package. The increased current rating provides additional thermal margin and is not detrimental to 10 A applications. Forward voltage increases slightly with higher current ratings due to device design differences.

Q: Why does DST20100C have significantly lower forward voltage (550 mV vs. 850 mV)?

A: Forward voltage variation is a characteristic difference between manufacturers and device series. DST20100C (Littelfuse) exhibits superior forward voltage performance compared to the original MBR20100CT-E1. Lower forward voltage reduces power dissipation and heat generation in the application, providing a performance advantage. All parts maintain the same 100 V reverse voltage and 10 A current rating.

Q: Is the TO-220-3 package identical across all substitute parts?

A: Yes. All substitute parts listed use the TO-220-3 through-hole package, ensuring mechanical and thermal compatibility with the original MBR20100CT-E1. Mounting footprint, lead spacing, and thermal interface characteristics are standardized across all parts in this comparison.

Q: What is the significance of the operating temperature range difference between MBR20100CT-E1 (-65°C ~ 150°C) and MBR20100CT-G1 (-55°C ~ 175°C)?

A: MBR20100CT-E1 specifies a lower minimum junction temperature (-65°C) and lower maximum temperature (150°C). MBR20100CT-G1 has a higher minimum (-55°C) but extended maximum (175°C). For applications operating within -55°C ~ 150°C, both parts are fully compatible. Applications requiring operation below -55°C must use the original specification or equivalent parts with -65°C minimum rating.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are ROHS3 compliant, matching the compliance status of the original MBR20100CT-E1.

Q: Can DSSK16-01A (8 A) be used as a substitute?

A: DSSK16-01A is functionally compatible in terms of voltage rating (100 V), configuration (1 Pair Common Cathode), and package (TO-220-3). However, the current rating is reduced to 8 A compared to the original 10 A specification. This part is suitable only for applications where the design current requirement is 8 A or less, or where thermal derating of the 10 A design is acceptable.

Q: What is the primary reason to transition from MBR20100CT-E1?

A: MBR20100CT-E1 is classified as obsolete. Active equivalent and substitute parts ensure long-term component availability, supply chain continuity, and access to current manufacturing processes and quality standards. Transition to active parts is necessary for new designs and ongoing procurement.

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