MBRF10150CT-LJ Equivalent & Substitute Parts

Part Overview

The MBRF10150CT-LJ is a Schottky diode array manufactured by Diodes Incorporated, configured as 1 pair common cathode with 150 V reverse voltage rating and 5 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 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)	150 V
Current - Average Rectified (Io) (per Diode)	5 A
Voltage - Forward (Vf) (Max) @ If	890 mV @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	50 µA @ 150 V
Operating Temperature - Junction	-55°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab
RoHS Status	ROHS3 Compliant
Grade	Automotive
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitution of the MBRF10150CT-LJ is determined by the following critical parameters:

Mandatory Matching Parameters:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 150 V
Mounting Type: Through Hole
Package / Case: TO-220-3 Full Pack, Isolated Tab

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
Current - Reverse Leakage @ Vr: Within acceptable circuit operating margins
Operating Temperature - Junction: Must encompass or exceed -55°C ~ 175°C range
Product Status: Active status preferred for long-term availability

The substitute parts MBR10150CTF-G1, DSTF30150C, and DSTF40150C maintain the core electrical and mechanical specifications while offering enhanced current ratings and active product status.

Parameter Comparison

Parameter	MBRF10150CT-LJ	MBR10150CTF-G1	DSTF30150C	DSTF40150C
Manufacturer	Diodes Incorporated	Diodes Incorporated	Littelfuse Inc.	Littelfuse Inc.
Product Status	Obsolete	Active	Active	Active
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V	150 V
Current - Average Rectified (Io) (per Diode)	5 A	5 A	15 A	20 A
Voltage - Forward (Vf) (Max) @ If	890 mV @ 5 A	920 mV @ 5 A	1.36 V @ 15 A	1.43 V @ 20 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	50 µA @ 150 V	100 µA @ 150 V	200 µA @ 150 V	250 µA @ 150 V
Operating Temperature - Junction	-55°C ~ 175°C	175°C (Max)	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

MBR10150CTF-G1 (Diodes Incorporated)

This substitute maintains identical electrical specifications at the 5 A rating and is manufactured by the same supplier as the original part. Product status is active, ensuring long-term availability. The forward voltage specification is marginally higher (920 mV vs. 890 mV @ 5 A), and reverse leakage is doubled (100 µA vs. 50 µA @ 150 V). The package designation differs (TO-220F-3 vs. ITO-220AB), indicating non-isolated tab configuration. Operating temperature maximum is specified as 175°C without minimum temperature notation. ROHS3 compliance is maintained; however, REACH status is unaffected compared to the original part's REACH affected status.

DSTF30150C (Littelfuse Inc.)

This substitute provides 15 A current rating, exceeding the original 5 A specification. Voltage rating remains 150 V. The part maintains isolated tab configuration (ITO-220AB) matching the original package. Operating temperature range is -55°C ~ 150°C, which does not extend to the original 175°C maximum. Forward voltage and reverse leakage increase proportionally with current rating. Product status is active. ROHS3 compliance and unlimited MSL are maintained.

DSTF40150C (Littelfuse Inc.)

This substitute provides 20 A current rating, significantly exceeding the original 5 A specification. Voltage rating remains 150 V. The part maintains isolated tab configuration (ITO-220AB) matching the original package. Operating temperature range is -55°C ~ 150°C, which does not extend to the original 175°C maximum. Forward voltage and reverse leakage increase proportionally with current rating. Product status is active. ROHS3 compliance and unlimited MSL are maintained.

Frequently Asked Questions (FAQ)

Q: Can MBR10150CTF-G1 be used as a direct replacement for MBRF10150CT-LJ?

A: MBR10150CTF-G1 maintains identical current and voltage ratings and is manufactured by Diodes Incorporated. The primary difference is package configuration: MBR10150CTF-G1 uses TO-220F-3 (non-isolated tab) versus the original ITO-220AB (isolated tab). Electrical performance at 5 A operation is compatible. Verify isolated tab requirement in the application circuit before substitution.

Q: What is the difference between DSTF30150C and DSTF40150C?

A: Both parts are manufactured by Littelfuse Inc. and maintain 150 V reverse voltage rating. DSTF30150C is rated for 15 A average rectified current per diode, while DSTF40150C is rated for 20 A. Forward voltage and reverse leakage specifications increase with current rating. Both maintain isolated tab configuration and active product status. Selection depends on circuit current requirements.

Q: Are the Littelfuse substitutes compatible with automotive applications?

A: The original MBRF10150CT-LJ carries automotive grade classification with AEC-Q101 qualification. The Littelfuse substitutes DSTF30150C and DSTF40150C do not specify automotive grade or AEC-Q101 qualification in the provided parameters. Verify automotive compliance requirements for your application before selecting Littelfuse alternatives.

Q: What is the significance of the isolated tab (ITO-220AB) package?

A: The isolated tab configuration electrically isolates the mounting tab from the diode circuit, allowing independent thermal management without electrical connection to the device. MBR10150CTF-G1 uses non-isolated tab (TO-220F-3), which connects the tab to the common cathode. Verify circuit design requirements for tab isolation before substitution.

Q: Can higher-rated current substitutes (DSTF30150C or DSTF40150C) be used in a 5 A circuit?

A: Yes. Higher current-rated devices operate within their specifications at lower current levels. The 15 A and 20 A rated parts function correctly in 5 A circuits. However, forward voltage specifications are measured at their respective rated currents (15 A and 20 A), not at 5 A. Actual forward voltage at 5 A operation will differ from the specified values.

Q: What is the impact of operating temperature range differences?

A: The original MBRF10150CT-LJ specifies -55°C ~ 175°C. MBR10150CTF-G1 specifies 175°C maximum without minimum temperature notation. DSTF30150C and DSTF40150C specify -55°C ~ 150°C. If your application requires operation above 150°C, only MBR10150CTF-G1 or the original part are suitable. Verify maximum junction temperature requirements in your circuit design.

Q: Are all substitutes RoHS3 compliant?

A: Yes. MBRF10150CT-LJ, MBR10150CTF-G1, DSTF30150C, and DSTF40150C are all ROHS3 compliant. Moisture sensitivity level is 1 (unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly.

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