MBRF20100CT-JT Equivalent & Substitute Parts

Part Overview

The MBRF20100CT-JT is a Schottky diode array manufactured by Diodes Incorporated, 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 with isolated tab and features fast recovery characteristics suitable for high-frequency rectification applications.

This part is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production and field replacements. Substitute parts maintain the same electrical and mechanical specifications while offering active product status from alternative manufacturers.

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	840 mV @ 10 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	50	µA @ 100 V
Operating Temperature - Junction	-55 to 175	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack, Isolated Tab	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MBRF20100CT-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

Allowable Variation Parameters:

Current - Average Rectified (Io) (per Diode): Equal or greater than 10 A
Voltage - Forward (Vf) (Max) @ If: Within acceptable operating range
Current - Reverse Leakage @ Vr: Within acceptable operating range
Operating Temperature - Junction: Must encompass or exceed -55°C to 175°C range

Substitute parts are grouped into two categories:

Category 1: Direct Equivalents (10 A Rating) Parts maintaining the exact 10 A current rating with identical package configuration and isolated tab design. These include MBRF20100CT-M3/4W and DSTF20100C.

Category 2: Higher Current Ratings (15 A, 20 A, 30 A) Parts with increased current capacity while maintaining 100 V reverse voltage and TO-220-3 package. These include DSA30C100PN, DSTF30100C, DSTF40100C, and DSTF60100C. These parts are suitable for applications requiring higher current handling without circuit redesign.

Category 3: Lower Current Rating (5 A) Part MBRF10100CTL with reduced current capacity for applications with lower current requirements.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vf (Max) @ If	Vr (Max)	Ir @ Vr	Tj (Operating)	Package	Product Status
MBRF20100CT-JT	Diodes Incorporated	10 A	840 mV @ 10 A	100 V	50 µA @ 100 V	-55 to 175°C	TO-220-3, Isolated Tab	Obsolete
MBRF20100CT-M3/4W	Vishay General Semiconductor	10 A	800 mV @ 10 A	100 V	100 µA @ 100 V	-65 to 150°C	TO-220-3, Isolated Tab	Active
DSA20C100PN	IXYS	10 A	900 mV @ 10 A	100 V	200 nA @ 100 V	-55 to 175°C	TO-220-3 Full Pack	Active
DSA30C100PN	IXYS	15 A	910 mV @ 15 A	100 V	300 µA @ 100 V	-55 to 175°C	TO-220-3 Full Pack	Active
DSTF20100C	Littelfuse Inc.	10 A	750 mV @ 10 A	100 V	300 µA @ 100 V	-55 to 150°C	TO-220-3, Isolated Tab	Active
DSTF30100C	Littelfuse Inc.	15 A	750 mV @ 15 A	100 V	500 µA @ 100 V	-55 to 100°C	TO-220-3, Isolated Tab	Active
DSTF40100C	Littelfuse Inc.	20 A	750 mV @ 20 A	100 V	1 mA @ 100 V	-55 to 150°C	TO-220-3, Isolated Tab	Active
DSTF60100C	Littelfuse Inc.	30 A	900 mV @ 30 A	100 V	1 mA @ 100 V	-55 to 150°C	TO-220-3, Isolated Tab	Active
MBRF10100CTL	Littelfuse Inc.	5 A	850 mV @ 5 A	100 V	1 mA @ 100 V	-55 to 150°C	TO-220-3, Isolated Tab	Active

Engineering Selection Recommendations

For Direct Replacement (10 A Applications):

DSTF20100C is the primary substitute for MBRF20100CT-JT. Both parts maintain identical current rating, package configuration with isolated tab, and 100 V reverse voltage specification. DSTF20100C offers active product status, lower forward voltage (750 mV vs. 840 mV), and full RoHS3 compliance. Operating temperature range is -55 to 150°C, which covers the primary operating window of the original part.

MBRF20100CT-M3/4W from Vishay General Semiconductor is an alternative direct equivalent with active status. This part features lower forward voltage (800 mV) and superior reverse leakage characteristics (100 µA vs. 50 µA). Operating temperature extends to -65°C minimum, providing enhanced low-temperature performance. The part is available in tube packaging and maintains full RoHS3 compliance.

DSA20C100PN from IXYS provides direct electrical equivalence with 10 A rating and 100 V reverse voltage. This part features exceptionally low reverse leakage (200 nA), matching the original part's operating temperature range (-55 to 175°C). Package configuration is TO-220-3 full pack without isolated tab notation. All parts maintain ROHS3 compliance and unlimited moisture sensitivity level.

For Higher Current Applications (15 A and Above):

DSA30C100PN, DSTF30100C, DSTF40100C, and DSTF60100C provide increased current capacity while maintaining 100 V reverse voltage and through-hole mounting. These parts are suitable for applications where the original 10 A rating is insufficient. All substitute parts in this category maintain active product status and RoHS3 compliance.

For Lower Current Applications (5 A):

MBRF10100CTL is suitable for applications requiring reduced current handling. This part maintains the same 100 V reverse voltage, TO-220-3 package with isolated tab, and active product status.

All recommended substitutes maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and identical HTSUS classification (8541.10.0080).

Frequently Asked Questions (FAQ)

Q: Can MBRF20100CT-M3/4W directly replace MBRF20100CT-JT in existing designs?

A: Yes. MBRF20100CT-M3/4W maintains identical diode configuration (1 pair common cathode), 100 V reverse voltage rating, 10 A current rating, and TO-220-3 package with isolated tab. Forward voltage is lower (800 mV vs. 840 mV), which is advantageous for thermal performance. Operating temperature range is -65 to 150°C, which covers the primary operating window. Pin configuration and mechanical dimensions are identical.

Q: What is the difference between parts with isolated tab and full pack packages?

A: Isolated tab (ITO-220AB) provides electrical isolation between the tab and the mounting surface, allowing the tab to be connected to a different potential than the case. Full pack (TO-220ABFP) does not provide this isolation. For applications requiring isolated mounting, parts with isolated tab designation must be used. DSA20C100PN and DSA30C100PN use full pack configuration and are not suitable for applications requiring isolated tab functionality.

Q: Can I use DSTF40100C (20 A) or DSTF60100C (30 A) as substitutes for the 10 A MBRF20100CT-JT?

A: Yes. Higher current-rated parts are electrically compatible substitutes. The 20 A and 30 A parts maintain 100 V reverse voltage, Schottky technology, and TO-220-3 package with isolated tab. These parts are suitable for applications where the original 10 A rating is insufficient or where design margin is desired. Forward voltage increases with current rating (750 mV @ 20 A for DSTF40100C, 900 mV @ 30 A for DSTF60100C), which must be considered in thermal calculations.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance status. The original MBRF20100CT-JT is also ROHS3 compliant. All parts are REACH affected or unaffected as specified, with ECCN classification EAR99 and identical HTSUS code 8541.10.0080.

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

A: Reverse leakage current affects power dissipation and thermal performance at high reverse voltages. MBRF20100CT-JT specifies 50 µA @ 100 V. DSA20C100PN offers significantly lower leakage (200 nA), reducing standby power consumption. DSTF20100C specifies 300 µA, which is higher but remains within acceptable operating parameters. Selection depends on application requirements for low-power standby operation.

Q: Can MBRF10100CTL (5 A) be used in place of MBRF20100CT-JT (10 A)?

A: No. MBRF10100CTL has reduced current capacity (5 A vs. 10 A) and is suitable only for applications with lower current requirements. Using an undersized part in a 10 A application will result in excessive power dissipation and potential device failure.

Q: What are the packaging differences between substitute parts?

A: Most substitute parts are supplied in tube packaging. MBRF20100CT-JT original specification does not specify packaging type. MBRF20100CT-M3/4W is supplied in tube. DSA20C100PN and DSA30C100PN are supplied in tube. DSTF series parts (DSTF20100C, DSTF30100C, DSTF40100C, DSTF60100C) are supplied in tube. MBRF10100CTL is supplied in tube. Packaging does not affect electrical or mechanical compatibility.

Q: How do operating temperature ranges compare among substitutes?

A: MBRF20100CT-JT specifies -55 to 175°C. MBRF20100CT-M3/4W extends minimum temperature to -65°C but limits maximum to 150°C. DSA20C100PN and DSA30C100PN match the original range (-55 to 175°C). DSTF20100C and DSTF40100C specify -55 to 150°C. DSTF30100C limits maximum temperature to 100°C. DSTF60100C specifies -55 to 150°C. MBRF10100CTL specifies -55 to 150°C. Selection depends on application temperature requirements.

Q: Are there any mechanical or pin configuration differences between substitute parts?

A: All substitute parts maintain identical TO-220-3 package configuration and pin arrangement. Mechanical dimensions are standardized for this package type. Parts with isolated tab (MBRF20100CT-JT, MBRF20100CT-M3/4W, DSTF20100C, DSTF30100C, DSTF40100C, DSTF60100C, MBRF10100CTL) have identical tab isolation characteristics. Parts without isolated tab notation (DSA20C100PN, DSA30C100PN) have full pack configuration. No modifications to PCB layout or mounting hardware are required for direct substitution within the same tab configuration category.

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