MBRF10H100CT Equivalent & Substitute Parts

Part Overview

The MBRF10H100CT is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode with 100 V reverse voltage rating and 10 A average rectified current per diode. The device is packaged in TO-220-3 with isolated tab and is designed for through-hole mounting applications requiring fast recovery rectification.

This part is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from multiple manufacturers with comparable electrical and mechanical specifications, enabling continued system design and production support.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io) (per Diode)	10	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 10 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Operating Temperature - Junction	-55 to 175	°C
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack, Isolated Tab	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the MBRF10H100CT is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode (mandatory)
Technology: Schottky (mandatory)
Voltage - DC Reverse (Vr) (Max): 100 V (mandatory)
Current - Average Rectified (Io) (per Diode): 10 A (mandatory)
Mounting Type: Through Hole (mandatory)
Package / Case: TO-220-3 Full Pack, Isolated Tab (mandatory)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (mandatory)

Secondary Compatibility Parameters:

Voltage - Forward (Vf) (Max) @ If: Acceptable range 710 mV to 950 mV @ 5–10 A
Current - Reverse Leakage @ Vr: Acceptable range 1 µA to 100 µA @ 100 V
Operating Temperature - Junction: Minimum -55°C, maximum 150°C or higher
RoHS Status: ROHS3 Compliant (required)

Substitute parts are grouped into three categories:

Parametric Equivalents: Parts meeting all primary criteria with identical electrical performance specifications.

Direct Manufacturers: Parts from alternative manufacturers (SMC Diode Solutions, Diodes Incorporated) meeting all primary criteria with minor variations in secondary parameters within acceptable ranges.

Similar Parts: Parts with identical primary criteria but different current ratings (5 A or 15 A) or enhanced temperature ranges, suitable for applications with relaxed current requirements or extended thermal operating windows.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [A]	Vf (Max) @ If [mV]	Ir @ Vr [µA]	Tj (Min–Max) [°C]	Package	Product Status
MBRF10H100CT	Taiwan Semiconductor Corporation	100	10	950 @ 10 A	5 @ 100 V	-55 to 175	TO-220-3 Full Pack, Isolated Tab	Discontinued
MBRF10100CT	Taiwan Semiconductor Corporation	100	10	950 @ 10 A	100 @ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF10100CTHC0G	Taiwan Semiconductor Corporation	100	10	950 @ 10 A	100 @ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF10100CTP	SMC Diode Solutions	100	—	850 @ 5 A	1000 @ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF10100CTU	SMC Diode Solutions	100	10	820 @ 5 A	1000 @ 100 V	-55 to 150	TO-220-3	Active
SBRF10100CT	SMC Diode Solutions	100	—	850 @ 5 A	1000 @ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF10100CT-E3/4W	Vishay General Semiconductor - Diodes Division	100	5	850 @ 5 A	100 @ 100 V	-65 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF20100CT-E3/4W	Vishay General Semiconductor - Diodes Division	100	10	800 @ 10 A	100 @ 100 V	-65 to 150	TO-220-3 Full Pack, Isolated Tab	Active
MBRF20H100CT-E3/45	Vishay General Semiconductor - Diodes Division	100	10	770 @ 10 A	4.5 @ 100 V	-65 to 175	TO-220-3 Full Pack, Isolated Tab	Active
MBRF30H100CT-E3/45	Vishay General Semiconductor - Diodes Division	100	15	820 @ 15 A	5 @ 100 V	-65 to 175	TO-220-3 Full Pack, Isolated Tab	Active
SDT20100CTFP	Diodes Incorporated	100	10	710 @ 10 A	80 @ 100 V	-55 to 150	TO-220-3 Full Pack, Isolated Tab	Active

Engineering Selection Recommendations

Primary Recommendation: MBRF10100CT

The MBRF10100CT from Taiwan Semiconductor Corporation is the direct parametric equivalent to the MBRF10H100CT. It maintains identical electrical specifications (100 V, 10 A, 950 mV forward voltage) and package configuration. The part is currently in active production status with 55,100 units in stock. RoHS3 compliance and REACH unaffected status are maintained. The maximum junction temperature is reduced to 150°C compared to the original 175°C specification; this reduction is acceptable for applications not requiring extended thermal operation above 150°C.

Secondary Recommendation: MBRF20H100CT-E3/45

The MBRF20H100CT-E3/45 from Vishay General Semiconductor - Diodes Division meets all primary substitution criteria with enhanced performance characteristics. Forward voltage is reduced to 770 mV @ 10 A, resulting in lower power dissipation. Reverse leakage current is reduced to 4.5 µA @ 100 V. Operating temperature range extends to -65°C to 175°C, matching the original part's maximum junction temperature. This part is suitable for applications requiring improved thermal performance or reduced forward voltage drop.

Alternative Recommendation: SDT20100CTFP

The SDT20100CTFP from Diodes Incorporated meets all primary substitution criteria with the lowest forward voltage specification at 710 mV @ 10 A. This part is suitable for applications prioritizing power efficiency and heat dissipation reduction. High inventory availability (18,540 units) supports production continuity. RoHS3 compliance and REACH unaffected status are confirmed.

Conditional Recommendation: MBRF10100CTU

The MBRF10100CTU from SMC Diode Solutions meets primary substitution criteria with 10 A current rating. Forward voltage is specified at 820 mV @ 5 A. Package configuration is TO-220-3 without isolated tab designation. This part is suitable for applications where isolated tab isolation is not required. REACH status is affected; compliance verification is required for regulated applications.

Not Recommended for Direct Substitution:

MBRF10100CTP: Current rating not specified; forward voltage specified at 850 mV @ 5 A only
SBRF10100CT: Current rating not specified; forward voltage specified at 850 mV @ 5 A only
MBRF10100CT-E3/4W: Current rating reduced to 5 A; suitable only for applications with relaxed current requirements
MBRF30H100CT-E3/45: Current rating increased to 15 A; suitable for applications requiring higher current capacity

Frequently Asked Questions (FAQ)

Q: Can MBRF10100CT directly replace MBRF10H100CT?

A: Yes. The MBRF10100CT is a parametric equivalent meeting all primary substitution criteria: 100 V reverse voltage, 10 A average rectified current per diode, 1 Pair Common Cathode configuration, Schottky technology, fast recovery speed, TO-220-3 Full Pack with isolated tab, and through-hole mounting. The maximum junction temperature is 150°C versus 175°C on the original part; this is acceptable for applications not requiring operation above 150°C.

Q: What is the difference between MBRF10100CT and MBRF10100CTHC0G?

A: Both parts are from Taiwan Semiconductor Corporation with identical electrical specifications. The MBRF10100CTHC0G includes automotive-grade qualification (AEC-Q101) and is designated for automotive applications. Selection depends on application requirements; automotive-qualified parts are mandatory for automotive systems.

Q: Why do some substitute parts show different forward voltage specifications?

A: Forward voltage is measured at specific current levels. The original MBRF10H100CT specifies 950 mV @ 10 A. Substitute parts from different manufacturers may specify forward voltage at different measurement currents (e.g., 850 mV @ 5 A or 710 mV @ 10 A). When comparing forward voltage, the measurement current must be identical. Lower forward voltage at the same current indicates improved efficiency and reduced power dissipation.

Q: Is the isolated tab feature critical for substitution?

A: The isolated tab is a mechanical feature that provides electrical isolation between the tab and the diode cathode. If the original design utilizes this isolation feature for thermal management or electrical isolation, substitute parts must maintain this configuration. MBRF10100CTU is packaged as TO-220-3 without isolated tab designation and is not suitable if isolation is required.

Q: Can MBRF10100CT-E3/4W (5 A) replace MBRF10H100CT (10 A)?

A: No, not for direct substitution in applications requiring 10 A current capacity. The MBRF10100CT-E3/4W is rated for 5 A average rectified current per diode. It is suitable only for applications with relaxed current requirements or where the actual operating current does not exceed 5 A.

Q: What is the significance of RoHS3 compliance and REACH status?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. REACH unaffected status indicates the part is not subject to REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) restrictions. Both certifications are required for applications in regulated markets. All recommended substitute parts maintain RoHS3 compliance; REACH status varies by manufacturer and must be verified for specific applications.

Q: Why is SDT20100CTFP recommended despite being from a different manufacturer?

A: The SDT20100CTFP from Diodes Incorporated meets all primary substitution criteria with superior forward voltage performance (710 mV @ 10 A versus 950 mV @ 10 A on the original part). This results in lower power dissipation and improved thermal efficiency. High inventory availability (18,540 units) supports production continuity. RoHS3 compliance and REACH unaffected status are confirmed.

Q: What is the impact of reduced maximum junction temperature (150°C vs. 175°C)?

A: The maximum junction temperature defines the upper thermal limit for safe device operation. Reducing from 175°C to 150°C restricts operation in high-temperature environments. For applications operating below 150°C, this reduction has no impact. For applications requiring sustained operation above 150°C, parts with 175°C maximum junction temperature (such as MBRF20H100CT-E3/45) must be selected.

Q: Are there current rating differences between substitute parts?

A: Yes. The original MBRF10H100CT is rated for 10 A average rectified current per diode. Substitute parts include 5 A (MBRF10100CT-E3/4W), 10 A (MBRF10100CT, MBRF20100CT-E3/4W, SDT20100CTFP, MBRF10100CTU), and 15 A (MBRF30H100CT-E3/45) ratings. Selection must match or exceed the application's current requirement.

Q: What packaging differences exist among substitute parts?

A: All substitute parts use TO-220-3 through-hole mounting. The primary difference is the isolated tab feature. MBRF10H100CT, MBRF10100CT, MBRF10100CTHC0G, MBRF10100CTP, SBRF10100CT, and all Vishay and Diodes Incorporated parts include "Full Pack, Isolated Tab" designation. MBRF10100CTU is specified as TO-220-3 without isolated tab. If the original design requires isolated tab functionality, only parts with this designation are suitable.

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