MBR20100CTP Schottky Diode Array Equivalent & Substitute Parts

Part Overview

The MBR20100CTP is a Schottky diode array manufactured by Littelfuse Inc., configured as 1 pair common cathode with 100 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-220-3 through-hole format and is currently active in production with 16,330 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers are required for supply chain diversification, or when design requirements permit operation within the specified parameter ranges of alternative devices.

Key Parameters

Parameter	Value	Unit
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	900 mV @ 10 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	1	mA @ 100 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the MBR20100CTP is determined by the following critical parameters:

Mandatory Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 100 V minimum
Mounting Type: Through Hole
Package / Case: TO-220-3 compatible

Allowable Parameter Variations:

Current - Average Rectified (Io): Equal to or greater than 10 A per diode
Voltage - Forward (Vf) (Max): May vary within device specifications
Current - Reverse Leakage @ Vr: May vary within acceptable limits
Operating Temperature - Junction: May extend beyond -55°C to 150°C range
Product Status: Active or Obsolete (both acceptable for substitution)
Manufacturer: Any qualified semiconductor manufacturer

Substitute parts are grouped by current rating capability. Parts rated at 10 A or higher are direct substitutes. Parts rated below 10 A are listed for reference but require design verification for reduced current applications.

Parameter Comparison

Part Number	Manufacturer	Io (A)	Vf (Max) @ If	Vr (Max) (V)	Tj (°C)	Status	Package
MBR20100CTP	Littelfuse Inc.	10	900 mV @ 10 A	100	-55 to 150	Active	TO-220-3
FYP1010DNTU	onsemi	10	950 mV @ 10 A	100	-65 to 150	Obsolete	TO-220-3
MBR10100CT-BP	Micro Commercial Co	10	850 mV @ 5 A	100	-55 to 150	Active	TO-220-3
MBR10100CT-G1	Diodes Incorporated	5	840 mV @ 5 A	100	-55 to 150	Active	TO-220-3
MBR16100CTG	onsemi	8	740 mV @ 8 A	100	-65 to 175	Obsolete	TO-220-3
MBR20100CT-BP	Micro Commercial Co	10	950 mV @ 20 A	100	-55 to 150	Active	TO-220-3
MBR20100CT-G1	Diodes Incorporated	10	840 mV @ 10 A	100	-55 to 175	Active	TO-220-3
MBR30100CT-G1	Diodes Incorporated	15	850 mV @ 15 A	100	-55 to 150	Active	TO-220-3
MBR30H100CTG	onsemi	15	800 mV @ 15 A	100	-55 to 175	Active	TO-220-3
MBR41H100CTG	onsemi	20	800 mV @ 20 A	100	-55 to 175	Active	TO-220-3
MBR60H100CTG	onsemi	30	840 mV @ 30 A	100	-55 to 175	Active	TO-220-3

Engineering Selection Recommendations

Direct Substitutes (10 A Rating, Active Status):

MBR20100CT-BP (Micro Commercial Co) and MBR20100CT-G1 (Diodes Incorporated) are direct substitutes with identical 10 A current rating and active product status. Both maintain 100 V reverse voltage specification and TO-220-3 packaging. MBR20100CT-G1 includes AEC-Q101 automotive qualification and extended junction temperature range to 175°C.

Equivalent Substitutes (10 A Rating, Obsolete Status):

FYP1010DNTU (onsemi) provides electrical equivalence at 10 A rating with extended lower temperature limit (-65°C). Product status is obsolete; use only when active alternatives are unavailable.

Higher Current Alternatives (≥ 10 A Rating, Active Status):

MBR30100CT-G1 (Diodes Incorporated), MBR30H100CTG (onsemi), MBR41H100CTG (onsemi), and MBR60H100CTG (onsemi) provide current ratings of 15 A, 15 A, 20 A, and 30 A respectively. These parts are suitable for applications requiring higher current capacity while maintaining 100 V reverse voltage and TO-220-3 form factor. All are active products with RoHS3 compliance.

Lower Current Alternatives (< 10 A Rating):

MBR10100CT-G1 (Diodes Incorporated) and MBR16100CTG (onsemi) are rated at 5 A and 8 A respectively. These parts are suitable only for applications where the design current requirement does not exceed their rated values.

Compliance Considerations:

All listed substitutes maintain RoHS3 compliance and REACH unaffected status. Automotive-grade options with AEC-Q101 qualification are available from Diodes Incorporated (MBR10100CT-G1, MBR20100CT-G1).

Frequently Asked Questions (FAQ)

Q: Can MBR10100CT-G1 (5 A rating) be used as a substitute for MBR20100CTP (10 A rating)?

A: MBR10100CT-G1 is electrically compatible in terms of voltage rating and package, but the 5 A current rating is below the 10 A specification of MBR20100CTP. Use only if circuit design current does not exceed 5 A per diode.

Q: What is the difference between MBR20100CT-BP and MBR20100CT-G1?

A: Both are 10 A rated direct substitutes. MBR20100CT-G1 includes AEC-Q101 automotive qualification and extended junction temperature range (-55°C to 175°C versus -55°C to 150°C). MBR20100CT-BP is suitable for general industrial applications.

Q: Are obsolete parts like FYP1010DNTU acceptable substitutes?

A: FYP1010DNTU meets all electrical and mechanical parameters for substitution. However, obsolete status indicates discontinued production. Use only when active alternatives are unavailable, and verify long-term supply availability.

Q: Can higher-rated parts like MBR30H100CTG (15 A) be used in place of MBR20100CTP (10 A)?

A: Yes. Higher current-rated parts are backward compatible for lower current applications. The 15 A rating provides additional design margin. Verify that forward voltage characteristics and thermal management are acceptable for the specific circuit.

Q: What is the significance of the "H" designation in MBR30H100CTG and MBR41H100CTG?

A: The "H" designation indicates enhanced performance characteristics within the onsemi SWITCHMODE™ series, including improved reverse leakage current and extended maximum junction temperature (175°C).

Q: Are all substitute parts available in the same TO-220-3 package?

A: Yes. All listed substitutes use TO-220-3 through-hole packaging, ensuring mechanical and thermal compatibility with MBR20100CTP.

Q: Which substitute offers the lowest forward voltage drop?

A: MBR30H100CTG and MBR41H100CTG both specify 800 mV forward voltage at their respective rated currents, representing the lowest values in the substitute list.

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