SR010HA0G Equivalent & Substitute Parts

Part Overview

The SR010HA0G is a Schottky diode rectifier manufactured by Taiwan Semiconductor Corporation, rated for 100V DC reverse voltage and 500mA average rectified current in a through-hole DO-204AL (DO-41) axial package. This component is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges while maintaining compatibility with the through-hole mounting requirement. Alternative sources provide equivalent or superior performance characteristics for applications requiring this diode classification.

Key Parameters

Parameter	SR010HA0G Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	500	mA
Voltage - Forward (Vf) (Max) @ If	850 mV @ 500 mA	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	100	µA @ 100 V
Technology	Schottky	—
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution logic for the SR010HA0G is based on the following critical parameters:

Voltage Rating: All substitute parts maintain 100V DC reverse voltage maximum, ensuring compatibility with the original circuit design voltage specification.

Current Rating: Substitute parts are grouped by current capacity. Parts rated at 500mA or higher (1A, 2A, 4A) are electrically compatible as they can handle the original 500mA requirement without exceeding thermal or electrical limits.

Technology: All substitutes employ Schottky diode technology, maintaining identical switching characteristics and forward voltage behavior within acceptable ranges.

Mounting Type: Through-hole mounted substitutes (DO-204AL, DO-41 axial packages) are directly compatible with the original PCB layout. Surface-mount alternatives (SMA package) require different PCB design and are listed for reference only.

Speed Characteristic: All substitutes maintain fast recovery characteristics (≤500ns, >200mA), ensuring equivalent switching performance.

Compliance & Qualification: Automotive-grade parts with AEC-Q101 qualification are preferred for applications requiring the original part's automotive specification. ROHS3 compliance is maintained across all listed substitutes.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Mounting Type	Package	Temp Range	Grade	Product Status
SR010HA0G	Taiwan Semiconductor Corporation	100 V	500 mA	850 mV @ 500 mA	Through Hole	DO-204AL (DO-41)	-55°C ~ 150°C	Automotive	Active
SB1H100-E3/73	Vishay General Semiconductor - Diodes Division	100 V	1 A	770 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-55°C ~ 175°C	—	Active
SB1H100-E3/54	Vishay General Semiconductor - Diodes Division	100 V	1 A	770 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-55°C ~ 175°C	—	Active
SB1100-T	Diodes Incorporated	100 V	1 A	800 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-65°C ~ 125°C	—	Active
SB1100E-G	Comchip Technology	100 V	1 A	850 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-65°C ~ 150°C	—	Active
MBR1100G	onsemi	100 V	1 A	790 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-65°C ~ 175°C	—	Active
MBR1100RLG	onsemi	100 V	1 A	790 mV @ 1 A	Through Hole	DO-204AL (DO-41)	-65°C ~ 175°C	—	Active
SR2010-TP	Micro Commercial Co	100 V	2 A	850 mV @ 2 A	Through Hole	DO-204AL (DO-41)	-55°C ~ 125°C	—	Active
NRVTSA4100ET3G	onsemi	100 V	4 A	680 mV @ 4 A	Surface Mount	DO-214AC (SMA)	-55°C ~ 175°C	Automotive	Last Time Buy
NRVTSA4100T3G	onsemi	100 V	4 A	660 mV @ 4 A	Surface Mount	DO-214AC (SMA)	-55°C ~ 150°C	Automotive	Last Time Buy
MBRA2H100T3G	onsemi	100 V	2 A	790 mV @ 2 A	Surface Mount	DO-214AC (SMA)	-65°C ~ 175°C	—	Active

Engineering Selection Recommendations

For Direct Through-Hole Replacement (Identical PCB Compatibility):

The following parts provide direct substitution with identical DO-204AL (DO-41) axial through-hole mounting:

SB1H100-E3/73 and SB1H100-E3/54 (Vishay) are functionally equivalent with lower forward voltage (770 mV @ 1A versus 850 mV @ 500mA) and extended temperature range to 175°C. Both maintain Active product status.

SB1100-T (Diodes Incorporated) provides equivalent performance with 800 mV forward voltage and Active status. Operating temperature range extends to -65°C minimum.

SB1100E-G (Comchip Technology) matches the original forward voltage specification (850 mV @ 1A) with Active product status and -65°C to 150°C operating range.

MBR1100G and MBR1100RLG (onsemi) both deliver 1A capacity with 790 mV forward voltage and extended temperature range to 175°C. MBR1100RLG offers higher inventory availability (57,700 units).

SR2010-TP (Micro Commercial Co) provides 2A capacity in identical through-hole package with 850 mV forward voltage and Active status.

For Automotive Applications Requiring AEC-Q101 Qualification:

The original SR010HA0G maintains AEC-Q101 automotive qualification. Surface-mount alternatives NRVTSA4100ET3G and NRVTSA4100T3G (onsemi) also carry AEC-Q101 qualification but require surface-mount PCB design. Both are Last Time Buy status.

For High-Inventory Availability:

MBR1100RLG (57,700 units) and NRVTSA4100ET3G (1,000,400 units) provide substantial stock levels for production requirements.

For Active Product Status Continuity:

All through-hole substitutes maintain Active product status except NRVTSA4100ET3G and NRVTSA4100T3G, which are Last Time Buy.

Frequently Asked Questions (FAQ)

Q: Can I use a 1A-rated diode as a substitute for the 500mA SR010HA0G?

A: Yes. A 1A-rated diode operates within safe limits when the circuit draws 500mA. The higher current rating provides design margin without affecting circuit performance. All 1A substitutes listed (SB1H100-E3/73, SB1H100-E3/54, SB1100-T, SB1100E-G, MBR1100G, MBR1100RLG) are electrically compatible.

Q: What is the difference between MBR1100G and MBR1100RLG?

A: Both parts are electrically identical with 100V rating, 1A current capacity, and 790 mV forward voltage. The difference is packaging: MBR1100G is supplied in Bulk packaging, while MBR1100RLG is supplied in Cut Tape (CT) format. MBR1100RLG has significantly higher inventory availability (57,700 units versus 1,290 units).

Q: Can I use the surface-mount NRVTSA4100ET3G or NRVTSA4100T3G as substitutes?

A: These parts are electrically compatible but require different PCB design. They use SMA surface-mount packages instead of through-hole DO-41 packages. Direct PCB substitution is not possible without redesign. Use these only if your application supports surface-mount assembly.

Q: Why do some substitutes have lower forward voltage than the original SR010HA0G?

A: Forward voltage varies slightly between manufacturers and production batches while remaining within Schottky diode specifications. Lower forward voltage (e.g., 770 mV versus 850 mV) indicates improved efficiency with reduced power dissipation. This is a beneficial characteristic for circuit performance.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the original SR010HA0G specification.

Q: What does "Last Time Buy" status mean for NRVTSA4100ET3G and NRVTSA4100T3G?

A: Last Time Buy indicates the manufacturer will discontinue production after current inventory is exhausted. These parts remain available but should not be selected for new long-term production designs. Use Active status parts for ongoing applications.

Q: Can I substitute SR2010-TP (2A) for the 500mA SR010HA0G?

A: Yes. The SR2010-TP provides higher current capacity (2A) in the same through-hole DO-41 package with identical 100V voltage rating. The higher current rating creates additional design margin. Forward voltage is 850 mV @ 2A, matching the original specification at its rated current.

Q: Which substitute offers the best thermal performance?

A: SB1H100-E3/73 and SB1H100-E3/54 (Vishay) extend the maximum junction temperature to 175°C compared to the original 150°C, providing improved thermal margin. MBR1100G and MBR1100RLG also reach 175°C maximum junction temperature.

Q: Is the Vishay SB1H100 series interchangeable between -E3/73 and -E3/54 variants?

A: Yes. Both SB1H100-E3/73 and SB1H100-E3/54 are electrically identical with 100V rating, 1A current, 770 mV forward voltage, and identical temperature range. The suffix difference reflects packaging tape configuration only. Both are functionally interchangeable.

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