MBRF2045CT-JT Equivalent & Substitute Parts

Part Overview

The MBRF2045CT-JT is a Schottky diode array manufactured by Diodes Incorporated, configured as 1 pair common cathode with 60 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-220-3 Full Pack with isolated tab (ITO-220AB) for through-hole mounting applications. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	640 mV @ 10 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 60 V
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the MBRF2045CT-JT is determined by the following critical parameters: diode configuration (1 pair common cathode), technology (Schottky), package type (TO-220-3 with isolated tab), mounting method (through hole), and electrical ratings (voltage and current capacity). Substitute parts must maintain compatibility across these dimensions while accommodating application-specific voltage and current requirements.

Substitutes are grouped into three categories based on electrical rating alignment:

Category 1: Direct Electrical Equivalents (60 V, 10 A) Parts matching the exact voltage and current specifications of the MBRF2045CT-JT, with identical or superior performance characteristics.

Category 2: Voltage-Reduced Equivalents (40 V - 45 V, 10 A) Parts with lower reverse voltage ratings suitable for applications with reduced voltage stress requirements, maintaining the 10 A current rating.

Category 3: Current-Enhanced Equivalents (60 V, 15 A) Parts with identical or superior voltage ratings but increased current capacity, providing design margin for higher current applications.

Parameter Comparison

Parameter	MBRF2045CT-JT	MBR2045CTF-G1	DSTF2060C	DSTF3060C	MBR1040FCT-BP	MBR1045FCT-BP	MBRF2560CT/45
Manufacturer	Diodes Inc.	Diodes Inc.	Littelfuse Inc.	Littelfuse Inc.	Micro Commercial Co	Micro Commercial Co	Vishay
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V	45 V	60 V	60 V	40 V	45 V	60 V
Current - Average Rectified (Io) (per Diode)	10 A	10 A	10 A	15 A	10 A	10 A	15 A
Voltage - Forward (Vf) (Max) @ If	640 mV @ 10 A	640 mV @ 10 A	650 mV @ 10 A	700 mV @ 15 A	Not Specified	Not Specified	750 mV @ 15 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	No Recovery Time > 500 mA (Io)	No Recovery Time > 500 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	100 µA @ 60 V	100 µA @ 45 V	850 µA @ 60 V	1.2 mA @ 60 V	100 µA @ 40 V	100 µA @ 45 V	1 mA @ 60 V
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-50°C ~ 150°C	-50°C ~ 150°C	-65°C ~ 150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Isolated Tab	TO-220-3 Isolated Tab	TO-220-3 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB	TO-220F-3	ITO-220AB	ITO-220AB	ITO-220AB	ITO-220AB	ITO-220AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not Specified	Not Specified	RoHS Non-Compliant
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: DSTF2060C (Littelfuse Inc.)

The DSTF2060C provides direct electrical equivalence to the MBRF2045CT-JT with identical voltage (60 V) and current (10 A) ratings, matching package configuration (TO-220-3 Full Pack, Isolated Tab, ITO-220AB), and through-hole mounting. The part is active in production status, ensuring long-term availability. ROHS3 compliance and REACH unaffected status support regulatory requirements. Forward voltage specification (650 mV @ 10 A) is within acceptable tolerance of the original part (640 mV @ 10 A). Reverse leakage current (850 µA @ 60 V) is elevated compared to the original specification (100 µA @ 60 V) but remains within acceptable operational parameters for most applications.

Secondary Recommendation: MBRF2560CT/45 (Vishay General Semiconductor - Diodes Division)

The MBRF2560CT/45 offers identical voltage rating (60 V) with enhanced current capacity (15 A), providing design margin for applications requiring higher current handling. Package configuration matches the original part (TO-220-3 Full Pack, Isolated Tab, ITO-220AB). The part is active in production. Extended operating temperature range (-65°C ~ 150°C) exceeds the original specification. RoHS non-compliance status requires evaluation against project regulatory requirements.

Alternative for Voltage-Reduced Applications: MBR2045CTF-G1 (Diodes Incorporated)

The MBR2045CTF-G1 maintains manufacturer continuity with Diodes Incorporated and provides identical current rating (10 A) with reduced voltage specification (45 V). This part is suitable for applications with voltage stress below 45 V. ROHS3 compliance and identical forward voltage characteristics (640 mV @ 10 A) support direct substitution in compatible designs. Package configuration is TO-220-3 Full Pack (TO-220F-3 supplier package), which differs from the isolated tab variant of the original part.

Alternative for Voltage-Reduced Applications: MBR1045FCT-BP (Micro Commercial Co)

The MBR1045FCT-BP provides 45 V voltage rating with 10 A current capacity in ITO-220AB package configuration. Active production status ensures availability. This part is suitable for applications with voltage requirements below 45 V.

Not Recommended: MBRF2560CT/45 for RoHS-Compliant Applications

The MBRF2560CT/45 is RoHS non-compliant and should not be selected for applications requiring RoHS compliance certification.

Frequently Asked Questions (FAQ)

Q: Can the DSTF2060C directly replace the MBRF2045CT-JT without circuit modification?

A: The DSTF2060C provides direct electrical substitution with matching voltage (60 V), current (10 A), and package specifications (TO-220-3 Full Pack, Isolated Tab, ITO-220AB). No circuit modification is required. The elevated reverse leakage current (850 µA vs. 100 µA) is within acceptable operational tolerance for standard rectifier applications.

Q: What is the difference between TO-220-3 Full Pack and TO-220-3 Isolated Tab packages?

A: Both configurations use the TO-220-3 through-hole package. The Full Pack variant includes a full metal mounting tab, while the Isolated Tab variant features electrical isolation between the tab and the diode circuit. The MBRF2045CT-JT uses the Isolated Tab configuration (ITO-220AB). Substitutes must maintain this isolation characteristic for applications requiring tab isolation.

Q: Can I use the MBRF2560CT/45 (15 A) in place of the MBRF2045CT-JT (10 A)?

A: Yes. The MBRF2560CT/45 provides identical voltage rating (60 V) with enhanced current capacity (15 A). This substitution is electrically valid and provides design margin for higher current applications. However, RoHS non-compliance status must be evaluated against project requirements.

Q: Are the MBR1040FCT-BP and MBR1045FCT-BP suitable substitutes for the MBRF2045CT-JT?

A: These parts are suitable only for applications with voltage requirements below 40 V and 45 V respectively. The MBR1040FCT-BP (40 V) and MBR1045FCT-BP (45 V) provide reduced voltage ratings compared to the original part (60 V). Both maintain 10 A current rating and ITO-220AB package configuration. Selection depends on application voltage stress requirements.

Q: What is the significance of the "Fast Recovery" speed specification?

A: Fast Recovery (≤ 500 ns, > 200 mA) indicates switching speed performance. The MBRF2045CT-JT, DSTF2060C, DSTF3060C, and MBRF2560CT/45 all meet this specification. The MBR1040FCT-BP and MBR1045FCT-BP specify "No Recovery Time > 500 mA (Io)," which represents a different speed classification. Verify application requirements for switching frequency compatibility.

Q: Is the MBR2045CTF-G1 a suitable substitute despite the different supplier device package designation?

A: The MBR2045CTF-G1 uses TO-220F-3 supplier package designation versus the original ITO-220AB. Both are TO-220-3 through-hole configurations. The primary difference is the isolated tab variant. Verify mechanical fit and tab isolation requirements for your application before selection.

Q: Which substitute parts are recommended for new designs requiring long-term availability?

A: DSTF2060C, DSTF3060C, MBR1040FCT-BP, MBR1045FCT-BP, and MBRF2560CT/45 are all active in production status. The DSTF2060C provides the closest electrical match with active status and ROHS3 compliance. For applications requiring enhanced current capacity, the DSTF3060C (15 A) or MBRF2560CT/45 (15 A) are suitable alternatives.

Q: What compliance considerations apply to substitute part selection?

A: The MBRF2045CT-JT is ROHS3 compliant and REACH affected. Substitute parts DSTF2060C, DSTF3060C, MBR2045CTF-G1 maintain ROHS3 compliance. The MBRF2560CT/45 is RoHS non-compliant and should not be selected for applications requiring RoHS certification. MBR1040FCT-BP and MBR1045FCT-BP compliance status is not specified in available data.

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