MBRF30L120CT Equivalent & Substitute Parts

Part Overview

The MBRF30L120CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode rectifier with 120 V reverse voltage rating and 30 A average rectified current per diode. The device is packaged in TO-220-3 Full Pack with isolated tab for through-hole mounting applications. This part is Active in product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support component selection based on specific application requirements within the defined electrical and mechanical parameter space.

Substiute Parts

MBRF30L120CT

Taiwan Semiconductor CorporationIn Stock: 2274MBRF30L120CT Datasheet

Current PartRFQ

VF20120C-E3/4W

Vishay General Semiconductor - Diodes DivisionIn Stock: 28428VF20120C-E3/4W Datasheet

SimilarRFQ

VF60120C-M3/4W

Vishay General Semiconductor - Diodes DivisionIn Stock: 1636VF60120C-M3/4W Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MBRF30L120CT are identified based on strict electrical and mechanical parameter compatibility within the Schottky diode rectifier category. Substitution logic is organized into two groups:

Parametric Equivalent (Full Electrical Match): Parts that match all critical electrical parameters including reverse voltage rating (120 V), average rectified current (30 A), forward voltage characteristics (950 mV @ 30 A), and fast recovery speed (≤ 500ns). These parts maintain identical functional performance in the application circuit.

Similar Electrical Performance (Reduced Current Rating): Parts that match reverse voltage rating (120 V), diode configuration (1 Pair Common Cathode), package type (TO-220-3 Full Pack, Isolated Tab), and fast recovery speed (≤ 500ns), but with reduced average rectified current rating (10 A per diode). These parts are suitable for applications with lower current requirements.

All substitute parts share the following mandatory parameters with the main part:

• Diode Configuration: 1 Pair Common Cathode
• Technology: Schottky
• Voltage - DC Reverse (Vr) (Max): 120 V
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Mounting Type: Through Hole
• Package / Case: TO-220-3 Full Pack, Isolated Tab
• RoHS Status: ROHS3 Compliant
• Product Status: Active

Parameter Comparison

Engineering Selection Recommendations

VF60120C-M3/4W (Parametric Equivalent Selection): The VF60120C-M3/4W from Vishay General Semiconductor - Diodes Division is a parametric equivalent to the MBRF30L120CT. This part maintains identical electrical specifications including 120 V reverse voltage rating, 30 A average rectified current per diode, and 950 mV forward voltage at 30 A. Both parts are Active in product status and ROHS3 compliant. The VF60120C-M3/4W operates within the -40 to 150°C junction temperature range, which is narrower than the MBRF30L120CT (-55 to 150°C). This part is suitable for direct substitution in applications where the lower temperature limit of -40°C is acceptable. The reverse leakage current is 500 µA at 120 V, compared to 20 mA for the main part.

VF20120C-E3/4W (Similar Performance Selection): The VF20120C-E3/4W from Vishay General Semiconductor - Diodes Division is suitable for applications requiring lower current capacity. This part maintains the 120 V reverse voltage rating and fast recovery speed characteristics but is rated for 10 A average rectified current per diode, compared to 30 A for the main part. The forward voltage is 900 mV at 10 A. This part is Active in product status and ROHS3 compliant. Selection of this part is appropriate only when application current requirements do not exceed 10 A per diode. The operating temperature range is -40 to 150°C.

All substitute parts are Active in product status, ROHS3 compliant, REACH unaffected, and maintain unlimited moisture sensitivity rating (MSL 1). Component selection should be based on specific application current requirements and operating temperature range constraints.

Frequently Asked Questions (FAQ)

Q: Can the VF60120C-M3/4W be used as a direct replacement for the MBRF30L120CT?

A: The VF60120C-M3/4W is a parametric equivalent with identical electrical specifications for reverse voltage (120 V), average rectified current (30 A per diode), and forward voltage (950 mV @ 30 A). Both parts use the same TO-220-3 Full Pack, Isolated Tab package. The primary difference is the operating temperature range: VF60120C-M3/4W operates from -40 to 150°C, while MBRF30L120CT operates from -55 to 150°C. Direct substitution is valid for applications where the -40°C minimum temperature limit is acceptable.

Q: When should the VF20120C-E3/4W be selected instead of the MBRF30L120CT?

A: The VF20120C-E3/4W is selected for applications where the average rectified current requirement does not exceed 10 A per diode. This part maintains the 120 V reverse voltage rating and fast recovery speed but has a reduced current capacity. Selection of this part results in lower power dissipation and thermal management requirements in lower-current applications. The part is not suitable for applications requiring 30 A per diode operation.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All substitute parts use the TO-220-3 Full Pack, Isolated Tab package with the ITO-220AB supplier device package designation. This ensures mechanical and thermal compatibility with the same PCB footprint and mounting configuration as the MBRF30L120CT.

Q: What is the difference in reverse leakage current between the main part and substitutes?

A: The MBRF30L120CT has a reverse leakage current of 20 mA at 120 V. The VF60120C-M3/4W has 500 µA at 120 V, and the VF20120C-E3/4W has 700 µA at 120 V. Lower reverse leakage current in the main part may be significant in applications with strict leakage specifications.

Q: Do all parts meet the same compliance standards?

A: All parts are ROHS3 compliant, REACH unaffected, and have MSL 1 (Unlimited) moisture sensitivity rating. All parts are Active in product status. Compliance requirements are equivalent across all three parts.

Q: What is the significance of the fast recovery speed specification?

A: All parts are specified with fast recovery speed of ≤ 500ns for currents > 200mA (Io). This specification indicates switching performance suitable for high-frequency rectification applications. This parameter is identical across the main part and all substitutes.