MBRF20100CT-Y Equivalent & Substitute Parts

Part Overview

The MBRF20100CT-Y is a Schottky diode array in a 1 Pair Common Cathode configuration rated for 100 V DC reverse voltage and 20 A average rectified current per diode. Manufactured by Taiwan Semiconductor Corporation, this component is packaged in a TO-220-3 Full Pack with isolated tab for through-hole mounting applications. The part is currently active in production with 807 units in stock.

Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and component availability across multiple manufacturers. Substitutes are selected based on matching electrical specifications, mechanical compatibility, and thermal operating ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io) (per Diode)	20	A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 20 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	100	µA @ 100 V
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack, Isolated Tab	—
Technology	Schottky	—
Diode Configuration	1 Pair Common Cathode	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the MBRF20100CT-Y are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes maintain all critical electrical parameters within the specified operating envelope:

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io) (per Diode): 20 A
Diode Configuration: 1 Pair Common Cathode
Package / Case: TO-220-3 Full Pack, Isolated Tab
Operating Temperature - Junction: -55°C to 150°C
Technology: Schottky
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Similar Substitutes share the same voltage rating, package form factor, and thermal range but differ in current rating or forward voltage characteristics. These parts are suitable for applications where the full 20 A current rating is not required.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io per Diode [A]	Vf (Max) [mV]	Vf Test Condition	Ir @ Vr [µA]	Ir Test Condition	Tj Range [°C]	Package	Config	RoHS
MBRF20100CT-Y	Taiwan Semiconductor Corporation	100	20	850	@ 20 A	100	@ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	1 Pair Common Cathode	ROHS3
MBRF20100CT	MDD	100	20	950	@ 10 A	1000	@ 200 V	-55 to 150	TO-220AB	—	ROHS3
MBRF20100CTL	SMC Diode Solutions	100	—	800	@ 5 A	1000	@ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	1 Pair Common Cathode	ROHS3
MBRF20100CTP	SMC Diode Solutions	100	—	900	@ 10 A	1000	@ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	1 Pair Common Cathode	ROHS3
SBRF20100CT	SMC Diode Solutions	100	—	940	@ 10 A	1000	@ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	1 Pair Common Cathode	ROHS3
VF20100C-E3/4W	Vishay General Semiconductor - Diodes Division	100	10	790	@ 10 A	800	@ 100 V	-40 to 150	TO-220-3 Full Pack, Isolated Tab	1 Pair Common Cathode	ROHS3

Engineering Selection Recommendations

MBRF20100CT (MDD) and MBRF20100CTL (SMC Diode Solutions) are direct electrical equivalents to the MBRF20100CT-Y. Both maintain the 100 V reverse voltage rating and 20 A current specification. MBRF20100CT is available in higher volume (55,200 units) and carries ROHS3 compliance with REACH Unaffected status. MBRF20100CTL is packaged identically to the main part with isolated tab configuration and carries ROHS3 compliance, though REACH status is affected.

MBRF20100CTP (SMC Diode Solutions) and SBRF20100CT (SMC Diode Solutions) maintain full electrical compatibility with the main part specification. Both are rated for 100 V reverse voltage with 1 Pair Common Cathode configuration in TO-220-3 Full Pack, Isolated Tab packaging. Both carry ROHS3 compliance with affected REACH status. SBRF20100CT offers the highest inventory availability at 2,839 units.

VF20100C-E3/4W (Vishay General Semiconductor - Diodes Division) is classified as a similar substitute due to its reduced current rating of 10 A per diode compared to the 20 A specification of the main part. This part is suitable for applications requiring lower current levels. It features superior forward voltage characteristics (790 mV @ 10 A) and lower reverse leakage (800 µA @ 100 V). Operating temperature range is -40°C to 150°C, with the lower limit 15°C higher than the main part. ROHS3 compliance and REACH Unaffected status are confirmed.

All substitute parts are active in production status and comply with ROHS3 environmental standards.

Frequently Asked Questions (FAQ)

Q: Can MBRF20100CT (MDD) be used as a direct replacement for MBRF20100CT-Y?

A: Yes. Both parts share identical electrical specifications: 100 V reverse voltage rating, 20 A average rectified current per diode, Schottky technology, and fast recovery characteristics. Operating temperature range is identical at -55°C to 150°C. The primary difference is the package designation (TO-220AB versus TO-220-3 Full Pack, Isolated Tab), which requires verification of PCB layout compatibility.

Q: What is the difference between MBRF20100CTL and MBRF20100CTP?

A: Both parts are manufactured by SMC Diode Solutions and share identical mechanical packaging (TO-220-3 Full Pack, Isolated Tab) and electrical ratings (100 V reverse voltage, 1 Pair Common Cathode configuration). The forward voltage specifications differ slightly: MBRF20100CTL is rated at 800 mV @ 5 A, while MBRF20100CTP is rated at 900 mV @ 10 A. Both maintain -55°C to 150°C operating temperature range and ROHS3 compliance.

Q: Is VF20100C-E3/4W suitable for all applications using MBRF20100CT-Y?

A: VF20100C-E3/4W is suitable only for applications where the diode current requirement does not exceed 10 A per diode. The main part MBRF20100CT-Y is rated for 20 A per diode. VF20100C-E3/4W offers lower forward voltage (790 mV @ 10 A) and lower reverse leakage characteristics, making it advantageous for lower-current designs. The minimum operating temperature is -40°C, which is 15°C higher than the main part.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification. REACH status varies: MBRF20100CT (MDD) and VF20100C-E3/4W (Vishay) are REACH Unaffected, while MBRF20100CTL, MBRF20100CTP, and SBRF20100CT (SMC Diode Solutions) are REACH Affected.

Q: What is the significance of the "Isolated Tab" designation in the package specification?

A: The isolated tab in the TO-220-3 Full Pack, Isolated Tab package indicates that the mounting tab is electrically isolated from the diode circuit. This allows the tab to be mounted directly to a heat sink without requiring an insulating washer, simplifying thermal management in high-current applications.

Q: Can I use MBRF20100CT (MDD) if my PCB is designed for TO-220-3 Full Pack, Isolated Tab?

A: The MBRF20100CT (MDD) is specified as TO-220AB package. While both are TO-220 form factors, the specific package variant (TO-220AB versus TO-220-3 Full Pack, Isolated Tab) must be verified against PCB footprint and thermal requirements. Pin configuration and tab isolation characteristics may differ.

Q: Which substitute part offers the best availability?

A: MBRF20100CT (MDD) offers the highest inventory availability with 55,200 units in stock, followed by VF20100C-E3/4W (Vishay) with 8,393 units. For SMC Diode Solutions parts, SBRF20100CT has the highest availability at 2,839 units.

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