MBR10100CT Schottky Diode Array Equivalent & Substitute Parts

Part Overview

The MBR10100CT is a Schottky diode array manufactured by Littelfuse Inc., configured as 1 pair common cathode with 100 V reverse voltage rating and 5 A average rectified current per diode. The device is packaged in TO-220-3 through-hole format and maintains active product status with ROHS3 compliance. Substitute parts are identified based on matching electrical specifications, mechanical compatibility, and thermal operating ranges to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io) (per Diode)	5	A
Voltage - Forward (Vf) (Max) @ If	780 mV @ 3 A	mV @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	1	mA @ 100 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the MBR10100CT are grouped based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

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

Secondary Compatibility Parameters:

Current - Average Rectified (Io) (per Diode): 5 A or higher
Voltage - Forward (Vf) (Max) @ If: Within acceptable operating range
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction: -55°C minimum, 150°C or higher maximum
RoHS Status: ROHS3 Compliant

Substitutes are classified into two categories: Direct Equivalents (matching 5 A current rating) and Upgraded Alternatives (higher current ratings with compatible electrical characteristics).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (per Diode) A	Vf (Max) mV	Vf Test Condition	Reverse Leakage µA @ 100V	Tj (Min-Max) °C	Product Status	RoHS
MBR10100CT	Littelfuse Inc.	100	5	780	@ 3 A	1000	-55 to 150	Active	ROHS3
FYP1010DNTU	onsemi	100	10	950	@ 10 A	1000	-65 to 150	Obsolete	ROHS3
MBR10100CT-BP	Micro Commercial Co	100	10	850	@ 5 A	200	-55 to 150	Active	ROHS3
MBR10100CT-G1	Diodes Incorporated	100	5	840	@ 5 A	50	-55 to 150	Active	ROHS3
MBR16100CTG	onsemi	100	8	740	@ 8 A	100	-65 to 175	Obsolete	ROHS3
MBR20100CT-BP	Micro Commercial Co	100	10	950	@ 20 A	150	-55 to 150	Active	ROHS3
MBR20100CT-G1	Diodes Incorporated	100	10	840	@ 10 A	50	-55 to 175	Active	ROHS3
MBR30100CT-G1	Diodes Incorporated	100	15	850	@ 15 A	100	-55 to 150	Active	ROHS3
MBR30H100CTG	onsemi	100	15	800	@ 15 A	4.5	-55 to 175	Active	ROHS3
MBR41H100CTG	onsemi	100	20	800	@ 20 A	10	-55 to 175	Active	ROHS3
MBR60H100CTG	onsemi	100	30	840	@ 30 A	10	-55 to 175	Active	ROHS3

Engineering Selection Recommendations

Direct Equivalent (Same Current Rating - 5 A):

MBR10100CT-G1 (Diodes Incorporated) is the primary direct equivalent. It maintains the 5 A current rating, 100 V reverse voltage, and TO-220-3 package. The device carries active product status, AEC-Q101 automotive qualification, and ROHS3 compliance. Forward voltage is 840 mV @ 5 A, compared to 780 mV @ 3 A for the original part. Reverse leakage is 50 µA @ 100 V, lower than the original 1 mA specification.

Upgraded Alternatives (Higher Current Ratings):

For applications requiring higher current capacity while maintaining 100 V reverse voltage and TO-220-3 packaging:

MBR10100CT-BP (Micro Commercial Co, 10 A): Active status, 850 mV forward voltage @ 5 A, 200 µA reverse leakage @ 100 V. Suitable for designs with 10 A current headroom.
MBR20100CT-G1 (Diodes Incorporated, 10 A): Active status, AEC-Q101 qualified, 840 mV forward voltage @ 10 A, 50 µA reverse leakage @ 100 V. Extended junction temperature range to 175°C.
MBR30H100CTG (onsemi, 15 A): Active status, SWITCHMODE™ series, 800 mV forward voltage @ 15 A, 4.5 µA reverse leakage @ 100 V. Extended junction temperature to 175°C.
MBR41H100CTG (onsemi, 20 A): Active status, SWITCHMODE™ series, 800 mV forward voltage @ 20 A, 10 µA reverse leakage @ 100 V. Extended junction temperature to 175°C.
MBR60H100CTG (onsemi, 30 A): Active status, SWITCHMODE™ series, 840 mV forward voltage @ 30 A, 10 µA reverse leakage @ 100 V. Extended junction temperature to 175°C.

Obsolete Parts (Not Recommended for New Designs):

FYP1010DNTU (onsemi, 10 A) and MBR16100CTG (onsemi, 8 A) carry obsolete product status and should not be selected for new circuit designs.

Frequently Asked Questions (FAQ)

Q: Can MBR10100CT-G1 be used as a direct replacement for MBR10100CT?

A: Yes. Both devices share identical reverse voltage (100 V), current rating (5 A), diode configuration (1 pair common cathode), package (TO-220-3), and mounting type (through hole). MBR10100CT-G1 is active status with AEC-Q101 automotive qualification. Forward voltage specifications differ slightly (840 mV @ 5 A vs. 780 mV @ 3 A), but both operate within Schottky diode fast recovery parameters.

Q: What is the difference between MBR10100CT-BP and MBR10100CT-G1?

A: MBR10100CT-BP (Micro Commercial Co) is rated for 10 A current, while MBR10100CT-G1 (Diodes Incorporated) is rated for 5 A. Both maintain 100 V reverse voltage and TO-220-3 packaging. MBR10100CT-G1 includes AEC-Q101 automotive qualification. MBR10100CT-BP offers higher current capacity for designs requiring additional headroom.

Q: Are onsemi SWITCHMODE™ series parts (MBR30H100CTG, MBR41H100CTG, MBR60H100CTG) compatible with MBR10100CT?

A: These parts are mechanically and electrically compatible in terms of reverse voltage (100 V), package (TO-220-3), and diode configuration (1 pair common cathode). However, they are rated for higher current (15 A, 20 A, and 30 A respectively). They are suitable only for applications where the higher current rating does not create thermal or circuit design conflicts. All three maintain active product status and extended junction temperature to 175°C.

Q: Why do some substitute parts show obsolete status?

A: FYP1010DNTU and MBR16100CTG are listed as obsolete by their manufacturers. While they meet electrical and mechanical specifications, they should not be selected for new designs due to potential supply discontinuation and lack of manufacturer support.

Q: What is the significance of reverse leakage current differences among substitutes?

A: Reverse leakage current ranges from 4.5 µA (MBR30H100CTG) to 1000 µA (MBR10100CT). Lower leakage reduces standby power consumption and heat generation. Higher leakage may impact circuit performance in precision applications. Selection depends on circuit requirements and thermal design constraints.

Q: Can I use a higher-rated part (e.g., MBR60H100CTG at 30 A) in place of MBR10100CT (5 A)?

A: Yes, from an electrical compatibility standpoint. The 30 A part maintains 100 V reverse voltage, TO-220-3 package, and 1 pair common cathode configuration. However, thermal design and circuit layout must accommodate the different forward voltage characteristics and potential thermal behavior changes. Verify that the application does not require the specific forward voltage or leakage characteristics of the original 5 A device.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status, matching the original MBR10100CT specification.

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