MBRF10100CT-JT Equivalent & Substitute Parts

Part Overview

The MBRF10100CT-JT is a Schottky diode array manufactured by Diodes Incorporated, 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 with isolated tab (ITO-220AB) for through-hole mounting applications. This part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within specified electrical and mechanical parameters.

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)	5 A
Voltage - Forward (Vf) (Max) @ If	840 mV @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature - Junction	-55°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MBRF10100CT-JT 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
Mounting Type: Through Hole
Package / Case: TO-220-3 Full Pack with Isolated Tab (ITO-220AB)

Allowable Variation Parameters:

Current - Average Rectified (Io) (per Diode): Equal to or greater than 5 A
Voltage - Forward (Vf) (Max) @ If: Within acceptable circuit operating margins
Operating Temperature - Junction: Must encompass or exceed -55°C to 175°C range
Current - Reverse Leakage @ Vr: Lower values preferred for reduced standby current

Substitute parts are grouped into two categories:

Direct Equivalents (5 A Current Rating): Parts maintaining the exact 5 A current specification with identical package and configuration.

Upgraded Substitutes (Higher Current Ratings): Parts with 10 A, 15 A, 20 A, or 30 A current ratings that provide enhanced current handling capability while maintaining all other critical parameters. These are suitable for applications where the original 5 A specification provides design margin or where increased current capacity is beneficial.

Parameter Comparison

Part Number	Manufacturer	Product Status	Io (per Diode)	Vf (Max) @ If	Vr (Max)	Tj (Operating)	Package	RoHS
MBRF10100CT-JT	Diodes Incorporated	Obsolete	5 A	840 mV @ 5 A	100 V	-55°C ~ 175°C	ITO-220AB	ROHS3
MBRF10100CT-E3/4W	Vishay General Semiconductor - Diodes Division	Active	5 A	850 mV @ 5 A	100 V	-65°C ~ 150°C	ITO-220AB	ROHS3
MBRF10100CTL	Littelfuse Inc.	Active	5 A	850 mV @ 5 A	100 V	-55°C ~ 150°C	ITO-220AB	ROHS3
DSA20C100PN	IXYS	Active	10 A	900 mV @ 10 A	100 V	-55°C ~ 175°C	TO-220ABFP	ROHS3
DSA30C100PN	IXYS	Active	15 A	910 mV @ 15 A	100 V	-55°C ~ 175°C	TO-220ABFP	ROHS3
DSTF20100C	Littelfuse Inc.	Active	10 A	750 mV @ 10 A	100 V	-55°C ~ 150°C	ITO-220AB	ROHS3
DSTF30100C	Littelfuse Inc.	Active	15 A	750 mV @ 15 A	100 V	-55°C ~ 100°C	ITO-220AB	ROHS3
DSTF40100C	Littelfuse Inc.	Active	20 A	750 mV @ 20 A	100 V	-55°C ~ 150°C	ITO-220AB	ROHS3
DSTF60100C	Littelfuse Inc.	Active	30 A	900 mV @ 30 A	100 V	-55°C ~ 150°C	ITO-220AB	ROHS3

Engineering Selection Recommendations

Direct Equivalent Selection:

MBRF10100CTL (Littelfuse Inc.) is the primary direct equivalent for the obsolete MBRF10100CT-JT. This part maintains identical electrical specifications at the 5 A current rating, uses the same ITO-220AB package with isolated tab, and holds active product status. The part is ROHS3 compliant and REACH unaffected. Forward voltage specification is 850 mV @ 5 A, which is 10 mV higher than the original part but remains within acceptable circuit operating margins for Schottky diode applications.

MBRF10100CT-E3/4W (Vishay General Semiconductor - Diodes Division) provides an alternative direct equivalent with identical 5 A current rating and ITO-220AB package. This part is active and ROHS3 compliant. Operating temperature range is -65°C to 150°C, which provides extended low-temperature capability but reduced maximum junction temperature compared to the original specification.

Upgraded Substitute Selection:

For applications requiring enhanced current handling capacity, the following active substitutes are available:

DSTF20100C (Littelfuse Inc.) provides 10 A current rating with ITO-220AB package and isolated tab. Forward voltage is 750 mV @ 10 A, representing improved efficiency compared to the original part. Operating temperature range is -55°C to 150°C.

DSTF30100C (Littelfuse Inc.) provides 15 A current rating with ITO-220AB package and isolated tab. Forward voltage is 750 mV @ 15 A. Operating temperature range is -55°C to 100°C, which is reduced at the upper limit.

DSTF40100C (Littelfuse Inc.) provides 20 A current rating with ITO-220AB package and isolated tab. Forward voltage is 750 mV @ 20 A. Operating temperature range is -55°C to 150°C.

DSTF60100C (Littelfuse Inc.) provides 30 A current rating with ITO-220AB package and isolated tab. Forward voltage is 900 mV @ 30 A. Operating temperature range is -55°C to 150°C.

DSA20C100PN (IXYS) and DSA30C100PN (IXYS) provide 10 A and 15 A current ratings respectively with TO-220ABFP package (non-isolated tab variant). These parts maintain the full -55°C to 175°C operating temperature range of the original part.

All substitute parts are ROHS3 compliant and maintain the 100 V reverse voltage specification and Schottky technology of the original component.

Frequently Asked Questions (FAQ)

Q: Can MBRF10100CTL be used as a direct replacement for MBRF10100CT-JT?

A: Yes. MBRF10100CTL is a direct equivalent with identical 5 A current rating, 100 V reverse voltage, 1 pair common cathode configuration, and ITO-220AB package with isolated tab. The part is active and ROHS3 compliant. Forward voltage is 850 mV @ 5 A compared to 840 mV @ 5 A for the original part, a difference of 10 mV that is acceptable for Schottky diode applications.

Q: What is the difference between ITO-220AB and TO-220ABFP packages?

A: ITO-220AB is an isolated tab variant of the TO-220-3 package, where the tab is electrically isolated from the die. TO-220ABFP is a standard TO-220-3 package without isolated tab. Both are through-hole mounted in TO-220-3 form factor. Selection depends on circuit design requirements for tab isolation.

Q: Can I use DSTF20100C (10 A) in place of MBRF10100CT-JT (5 A)?

A: Yes. DSTF20100C is a suitable upgraded substitute with higher current capacity. It maintains 100 V reverse voltage, 1 pair common cathode configuration, and ITO-220AB package with isolated tab. The 10 A rating provides additional design margin. Forward voltage is 750 mV @ 10 A, which is lower than the original part, resulting in improved efficiency. Operating temperature range is -55°C to 150°C.

Q: What is the maximum operating temperature difference between substitute parts?

A: The original MBRF10100CT-JT specifies -55°C to 175°C. MBRF10100CT-E3/4W extends the low-temperature limit to -65°C but reduces the maximum to 150°C. DSTF30100C limits the maximum to 100°C. Circuit design must account for the specific thermal requirements of the application when selecting substitutes with reduced maximum junction temperature ratings.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are ROHS3 compliant, matching the compliance status of the original MBRF10100CT-JT.

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

A: Forward voltage (Vf) affects power dissipation and circuit efficiency. Lower Vf values result in reduced heat generation. DSTF series parts (DSTF20100C, DSTF30100C, DSTF40100C) specify 750 mV forward voltage, which is lower than the original 840 mV specification. DSA series parts specify 900-910 mV. Circuit design must account for these differences in voltage drop calculations and thermal management.

Q: Can I substitute a 30 A part (DSTF60100C) for the 5 A original?

A: Yes. DSTF60100C is a suitable upgraded substitute with 30 A current rating, maintaining 100 V reverse voltage, 1 pair common cathode configuration, and ITO-220AB package with isolated tab. The significantly higher current capacity provides substantial design margin. Forward voltage is 900 mV @ 30 A. This substitution is appropriate for applications where increased current handling is beneficial or where design margin is required.

Q: What is the reverse leakage current difference between parts?

A: The original MBRF10100CT-JT specifies 50 µA @ 100 V reverse leakage. Substitute parts vary: MBRF10100CT-E3/4W specifies 100 µA, MBRF10100CTL specifies 1 mA, DSTF series parts specify 300 µA to 1 mA, and DSA series parts specify 200 nA to 300 µA. Lower reverse leakage is preferred for reduced standby current. Circuit design must account for these differences in applications sensitive to leakage current.

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