MBRF20200CT Equivalent & Substitute Parts

Part Overview

The MBRF20200CT is a Schottky diode array manufactured by onsemi, configured as 1 pair common cathode with 200 V reverse voltage rating and 10 A average rectified current per diode. This component is packaged in TO-220-3 Full Pack through-hole configuration and operates across a junction temperature range of -65°C to 150°C. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	10 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 200 V
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MBRF20200CT is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Diode configuration: 1 Pair Common Cathode
Technology: Schottky or Super Barrier
Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io) (per Diode): 10 A minimum
Mounting Type: Through Hole
Package / Case: TO-220-3 compatible form factor

Substitution Categories:

Direct Equivalents maintain all critical electrical parameters (200 V, 10 A, Schottky technology, 900 mV forward voltage at 10 A) with identical or superior performance characteristics and active product status.

Parametric Equivalents satisfy all minimum electrical requirements but may differ in secondary characteristics such as reverse leakage current, forward voltage tolerance, or temperature range, while maintaining functional compatibility.

Similar Substitutes meet the core voltage and current requirements but may incorporate alternative diode technologies (Super Barrier), higher current ratings, or different voltage ratings that remain suitable for applications designed for the original part.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (per Diode)	Vf (Max) @ If	Technology	Package	Product Status	RoHS Status
MBRF20200CT	onsemi	200 V	10 A	900 mV @ 10 A	Schottky	TO-220-3 Full Pack	Obsolete	Non-compliant
MBRF20200CTG	onsemi	200 V	10 A	900 mV @ 10 A	Schottky	TO-220-3 Full Pack	Active	ROHS3 Compliant
MBRF20200CT	Good-Ark Semiconductor	200 V	10 A	Not specified	Schottky	TO-220-3 Full Pack, Isolated Tab	Active	ROHS3 Compliant
MBR20200CTF-G1	Diodes Incorporated	200 V	10 A	900 mV @ 10 A	Schottky	TO-220-3 Full Pack	Active	ROHS3 Compliant
VF20200G-E3/4W	Vishay General Semiconductor - Diodes Division	200 V	10 A	1.7 V @ 10 A	Schottky	TO-220-3 Full Pack, Isolated Tab	Active	ROHS3 Compliant
MBR20200FCT-BP	Micro Commercial Co	200 V	20 A	950 mV @ 10 A	Schottky	TO-220-3 Isolated Tab	Active	Not specified
SBR10U200CTFP	Diodes Incorporated	200 V	5 A	820 mV @ 5 A	Super Barrier	TO-220-3 Full Pack, Isolated Tab	Active	ROHS3 Compliant
SBR30200CTFP	Diodes Incorporated	200 V	15 A	980 mV @ 15 A	Super Barrier	TO-220-3 Full Pack, Isolated Tab	Active	ROHS3 Compliant
STPS20170CFP	STMicroelectronics	170 V	10 A	900 mV @ 10 A	Schottky	TO-220-3 Full Pack	Active	ROHS3 Compliant
STPS20150CT	STMicroelectronics	150 V	10 A	920 mV @ 10 A	Schottky	TO-220-3	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Preferred):

MBRF20200CTG (onsemi) is the primary direct equivalent, maintaining identical electrical specifications (200 V, 10 A, 900 mV forward voltage) with active product status and ROHS3 compliance. This part represents the direct successor to the obsolete MBRF20200CT.

MBR20200CTF-G1 (Diodes Incorporated) provides parametric equivalence with matching voltage, current, and forward voltage characteristics. Active status and ROHS3 compliance support regulatory requirements for new designs.

Alternative Equivalents with Package Variations:

MBRF20200CT (Good-Ark Semiconductor) delivers equivalent electrical performance with isolated tab packaging (ITO-220AB) and active status. The isolated tab configuration provides thermal and electrical isolation benefits in specific applications.

VF20200G-E3/4W (Vishay General Semiconductor - Diodes Division) maintains 200 V and 10 A ratings with TMBS® technology. Forward voltage specification of 1.7 V at 10 A represents a deviation from the original 900 mV specification and requires circuit validation.

Higher Current Capability:

MBR20200FCT-BP (Micro Commercial Co) provides 20 A current rating with 200 V voltage specification, suitable for applications requiring increased current capacity within the same voltage class.

SBR30200CTFP (Diodes Incorporated) offers 15 A current rating using Super Barrier technology with 200 V voltage rating and ROHS3 compliance, providing enhanced performance margin.

Reduced Current Applications:

SBR10U200CTFP (Diodes Incorporated) is suitable for applications requiring only 5 A per diode with 200 V voltage rating. Super Barrier technology and 30 ns reverse recovery time provide improved switching characteristics.

Lower Voltage Alternatives:

STPS20170CFP (STMicroelectronics) maintains 10 A current rating with reduced 170 V voltage specification. Suitable for applications with lower voltage requirements.

STPS20150CT (STMicroelectronics) provides 10 A current rating at 150 V voltage specification. Applicable to lower voltage circuit designs.

Frequently Asked Questions (FAQ)

Q: Can MBRF20200CTG directly replace the obsolete MBRF20200CT?

A: Yes. MBRF20200CTG is the direct equivalent with identical electrical specifications (200 V, 10 A, 900 mV forward voltage at 10 A), Schottky technology, and TO-220-3 Full Pack packaging. The primary difference is active product status and ROHS3 compliance.

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

A: TO-220-3 Full Pack (TO-220FP) features a standard metal tab connected to the case. TO-220-3 Full Pack with Isolated Tab (ITO-220AB) provides electrical isolation between the tab and the case, preventing ground loop issues in certain circuit topologies. Both are mechanically compatible with standard TO-220-3 mounting hardware.

Q: Can I use VF20200G-E3/4W as a direct substitute?

A: VF20200G-E3/4W meets the 200 V and 10 A requirements with active status and ROHS3 compliance. However, the forward voltage specification of 1.7 V at 10 A differs significantly from the original 900 mV specification. Circuit validation is required to confirm compatibility with existing designs.

Q: Is SBR30200CTFP suitable for applications designed for MBRF20200CT?

A: SBR30200CTFP provides 200 V voltage rating with 15 A current capability, exceeding the original 10 A specification. Super Barrier technology offers improved performance characteristics. The part is suitable for applications where the original 10 A rating provides adequate margin, with the higher current rating providing additional design flexibility.

Q: What are the implications of using a lower voltage rated part like STPS20150CT?

A: STPS20150CT is rated for 150 V maximum reverse voltage, compared to the original 200 V specification. This part is suitable only for applications where the circuit voltage remains below 150 V. Use in circuits designed for 200 V operation creates risk of diode failure.

Q: Are all substitute parts ROHS3 compliant?

A: The original MBRF20200CT is RoHS non-compliant. All active substitute parts listed (MBRF20200CTG, MBR20200CTF-G1, VF20200G-E3/4W, SBR10U200CTFP, SBR30200CTFP, STPS20170CFP, STPS20150CT) are ROHS3 compliant, supporting regulatory requirements for new product designs.

Q: What is the difference between Schottky and Super Barrier diode technologies?

A: Both technologies are represented in the substitute list. Schottky diodes (MBRF20200CTG, MBR20200CTF-G1, VF20200G-E3/4W, STPS20170CFP, STPS20150CT) and Super Barrier diodes (SBR10U200CTFP, SBR30200CTFP) provide fast recovery characteristics. Super Barrier technology typically offers lower forward voltage and improved reverse recovery time characteristics.

Q: Can I use MBR20200FCT-BP with its 20 A rating in place of the 10 A MBRF20200CT?

A: Yes, for applications where the circuit design accommodates the higher current rating. The 20 A capability provides additional margin. However, verify that the isolated tab packaging (ITO-220AB) is compatible with your mounting configuration, as the original MBRF20200CT uses TO-220-3 Full Pack (TO-220FP) standard tab.

Q: What inventory considerations apply to these substitute parts?

A: MBRF20200CTG (8,688 pcs), MBR20200CTF-G1 (1,585 pcs), and VF20200G-E3/4W (906 pcs) have limited inventory. SBR30200CTFP (34,458 pcs) and STPS20150CT (102,775 pcs) offer higher availability. Verify current stock levels with suppliers for production planning.

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