MB30H90CTHE3_A/I Equivalent & Substitute Parts

Part Overview

The MB30H90CTHE3_A/I is a Schottky diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 90 V DC reverse voltage and 15 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package with automotive-grade qualification (AEC-Q101).

The MB30H90CTHE3_A/I is classified as obsolete. Locating equivalent and substitute parts is necessary to support ongoing production requirements, maintenance operations, and design continuity for applications currently utilizing this component.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	90 V
Current - Average Rectified (Io) (per Diode)	15 A
Voltage - Forward (Vf) (Max) @ If	820 mV @ 15 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Operating Temperature - Junction	-65°C ~ 175°C
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MB30H90CTHE3_A/I is determined by the following critical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 90 V minimum
Current - Average Rectified (Io) (per Diode): 15 A minimum
Mounting Type: Surface Mount
Package / Case: TO-263-3 D2PAK variants
Automotive Grade with AEC-Q101 Qualification
RoHS3 Compliance

Substitution Logic: Parts are grouped as direct substitutes when they meet or exceed the voltage and current ratings of the original component while maintaining identical diode configuration, technology type, and package family. Forward voltage characteristics, reverse leakage current, and operating temperature ranges are secondary parameters that may vary within acceptable engineering tolerances for the application.

Parameter Comparison

Parameter	MB30H90CTHE3_A/I (Main)	V30DM100CHM3/I	MBRS1090CTHMNG	MBRS1590CTMNG
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
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)	90 V	100 V	90 V	90 V
Current - Average Rectified (Io) (per Diode)	15 A	15 A	10 A	15 A
Voltage - Forward (Vf) (Max) @ If	820 mV @ 15 A	810 mV @ 15 A	950 mV @ 10 A	920 mV @ 7.5 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)
Current - Reverse Leakage @ Vr	5 µA @ 90 V	400 µA @ 100 V	100 µA @ 90 V	100 µA @ 90 V
Operating Temperature - Junction	-65°C ~ 175°C	-40°C ~ 175°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-263-3, D2PAK, TO-263AB	TO-263-3, D2PAK, TO-263AC	TO-263-3, D2PAK, TO-263AB	TO-263-3, D2PAK, TO-263AB
Grade	Automotive	Automotive	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101	AEC-Q101	AEC-Q101
Product Status	Obsolete	Active	Active	Active
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

V30DM100CHM3/I (Vishay General Semiconductor - Diodes Division)

This substitute part is manufactured by the same original equipment manufacturer as the MB30H90CTHE3_A/I. The V30DM100CHM3/I maintains identical diode configuration, technology, and current rating while providing enhanced voltage rating (100 V versus 90 V). The component is currently in active production status, ensuring long-term availability. Forward voltage performance is equivalent (810 mV @ 15 A). Operating temperature range is reduced at the lower bound (-40°C versus -65°C). This part is suitable for applications where the higher voltage rating provides additional design margin and where the reduced low-temperature operating range does not conflict with system requirements.

MBRS1590CTMNG (Taiwan Semiconductor Corporation)

This substitute part matches the original component across all critical electrical parameters: 90 V reverse voltage rating, 15 A current rating, and identical package configuration (TO-263-3 D2PAK TO-263AB). The component is currently in active production status. Forward voltage is slightly elevated (920 mV @ 7.5 A compared to 820 mV @ 15 A), and reverse leakage current is higher (100 µA @ 90 V versus 5 µA @ 90 V). Operating temperature range is reduced at both extremes (-55°C to 150°C versus -65°C to 175°C). This part is suitable for applications where the electrical parameter variations are within acceptable system tolerances.

MBRS1090CTHMNG (Taiwan Semiconductor Corporation)

This substitute part provides identical voltage rating (90 V) and package configuration but is rated for 10 A average rectified current, which is below the original 15 A specification. This part is not suitable for direct substitution in applications requiring the full 15 A current capacity. This part may be considered only for applications where actual operating current does not exceed 10 A per diode.

Frequently Asked Questions (FAQ)

Q: Can the V30DM100CHM3/I be used as a direct replacement for the MB30H90CTHE3_A/I?

A: The V30DM100CHM3/I is electrically compatible for applications where the circuit operates at or below 90 V. The higher voltage rating (100 V) provides additional design margin. The reduced low-temperature operating range (-40°C minimum versus -65°C minimum) must be evaluated against system requirements. Both parts share identical diode configuration, current rating, and package family.

Q: What are the differences between the MBRS1590CTMNG and the original MB30H90CTHE3_A/I?

A: Both parts share the same voltage rating (90 V), current rating (15 A), and package configuration (TO-263-3 D2PAK). The MBRS1590CTMNG exhibits higher forward voltage (920 mV @ 7.5 A) and higher reverse leakage current (100 µA @ 90 V). Operating temperature range is narrower (-55°C to 150°C versus -65°C to 175°C). These differences must be evaluated within the context of specific circuit requirements.

Q: Why is the MBRS1090CTHMNG not recommended as a substitute?

A: The MBRS1090CTHMNG is rated for 10 A average rectified current per diode, which is below the original specification of 15 A. This part is suitable only for applications where actual operating current does not exceed 10 A per diode. For applications requiring the full 15 A capacity, this part does not meet the electrical requirements.

Q: Are all substitute parts automotive-grade with AEC-Q101 qualification?

A: All substitute parts listed maintain automotive-grade classification and AEC-Q101 qualification, matching the original component's qualification status.

Q: What is the difference between TO-263AB and TO-263AC package variants?

A: Both TO-263AB and TO-263AC are D2PAK (2 Leads + Tab) surface mount packages within the TO-263-3 family. The variant designation indicates minor physical or internal configuration differences. Both are compatible with standard TO-263-3 footprints used for the original MB30H90CTHE3_A/I.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity level, matching the original component's environmental compliance status.

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