SSL33HM6G Equivalent & Substitute Parts

Part Overview

The SSL33HM6G is a 30V, 3A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in DO-214AB (SMC) surface mount package. This component is classified as discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing production and repair applications. The part carries automotive-grade qualification (AEC-Q101) and ROHS3 compliance, making it suitable for demanding industrial and automotive environments.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	3 A
Voltage - Forward (Vf) (Max) @ If	410 mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 30 V
Technology	Schottky
Package / Case	DO-214AB, SMC
Operating Temperature - Junction	-55°C ~ 125°C
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SSL33HM6G is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 30 V
Current - Average Rectified (Io): 3 A minimum
Technology: Schottky
Package / Case: DO-214AB, SMC (or compatible surface mount package)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature Range: Minimum -55°C to 125°C

Direct Equivalent: SSL33H (Taiwan Semiconductor Corporation) is a direct substitute with identical electrical specifications and automotive qualification, differing only in packaging format (Tape & Reel vs. bulk).

Functional Equivalents with Parameter Variations: Parts from Diodes Incorporated (B330-13-F, B330Q-13-F) and Microchip Technology (5821SMJ/TR13, 5821SMJE3/TR13) meet the core voltage and current requirements within the DO-214AB package family. These parts exhibit higher forward voltage drop (480–500 mV @ 3 A) and increased reverse leakage current (500 µA to 1.5 mA @ 30 V) compared to the SSL33HM6G, but remain functionally compatible for applications where these parameter variations are acceptable.

Higher Current Alternatives: Parts such as B530C-13-F (5A) and HSM830J/TR13 (8A) provide increased current capacity while maintaining 30V reverse voltage rating and DO-214AB packaging. These are suitable only for applications requiring higher current handling.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Reverse Leakage @ Vr	Package	Temp Range	RoHS Status	Product Status
SSL33HM6G	Taiwan Semiconductor	30 V	3 A	410 mV @ 3 A	200 µA @ 30 V	DO-214AB, SMC	-55°C ~ 125°C	ROHS3	Discontinued
SSL33H	Taiwan Semiconductor	30 V	3 A	410 mV @ 3 A	200 µA @ 30 V	DO-214AB, SMC	-55°C ~ 125°C	ROHS3	Active
5821SMJ/TR13	Microchip Technology	30 V	3 A	480 mV @ 3 A	1.5 mA @ 30 V	DO-214AB	-55°C ~ 150°C	Non-compliant	Active
5821SMJE3/TR13	Microchip Technology	30 V	3 A	480 mV @ 3 A	1.5 mA @ 30 V	DO-214AB	-55°C ~ 150°C	ROHS3	Active
B330-13-F	Diodes Incorporated	30 V	3 A	500 mV @ 3 A	500 µA @ 30 V	DO-214AB, SMC	-55°C ~ 125°C	ROHS3	Active
B330Q-13-F	Diodes Incorporated	30 V	3 A	500 mV @ 3 A	500 µA @ 30 V	DO-214AB, SMC	-55°C ~ 150°C	ROHS3	Active
B330B-13-F	Diodes Incorporated	30 V	3 A	500 mV @ 3 A	500 µA @ 30 V	DO-214AA, SMB	-55°C ~ 150°C	ROHS3	Active
B530C-13-F	Diodes Incorporated	30 V	5 A	550 mV @ 5 A	500 µA @ 30 V	DO-214AB, SMC	-55°C ~ 150°C	ROHS3	Active
HSM830J/TR13	Microchip Technology	30 V	8 A	620 mV @ 8 A	250 µA @ 30 V	DO-214AB	-55°C ~ 175°C	Non-compliant	Active

Engineering Selection Recommendations

Tier 1 - Direct Replacement: SSL33H is the primary substitute for SSL33HM6G. Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications, automotive qualification (AEC-Q101), and ROHS3 compliance. The only difference is packaging format (Tape & Reel vs. bulk). This part maintains full compatibility with the original design without parameter derating.

Tier 2 - Functional Equivalents (ROHS3 Compliant): 5821SMJE3/TR13 and B330Q-13-F are active, ROHS3-compliant alternatives suitable for applications where forward voltage drop and reverse leakage variations are acceptable. Both parts maintain 30V reverse voltage and 3A current ratings in DO-214AB packaging. The 5821SMJE3/TR13 offers extended operating temperature range (-55°C to 150°C) compared to the original specification. B330Q-13-F provides automotive-grade qualification (AEC-Q101) with extended temperature range.

Tier 3 - Functional Equivalents (Non-ROHS3 Compliant): 5821SMJ/TR13 is functionally equivalent but does not meet ROHS3 compliance requirements. This part is suitable only for applications where RoHS compliance is not mandated.

Tier 4 - Higher Current Alternatives: B530C-13-F (5A) and HSM830J/TR13 (8A) are suitable only for applications requiring current capacity exceeding 3A. These parts are not direct substitutes but may be used in designs where increased current handling is beneficial and circuit topology permits.

Package Compatibility Note: B330B-13-F uses DO-214AA (SMB) package instead of DO-214AB (SMC). This part is electrically equivalent but requires PCB layout modification and is not a direct mechanical substitute.

Frequently Asked Questions (FAQ)

Q: Can SSL33H be used as a direct replacement for SSL33HM6G? A: Yes. SSL33H is manufactured by the same company (Taiwan Semiconductor Corporation) with identical electrical specifications, automotive qualification, and ROHS3 compliance. The only difference is packaging format (Tape & Reel). No circuit modifications are required.

Q: What is the difference between B330-13-F and B330Q-13-F? A: Both parts are manufactured by Diodes Incorporated with identical electrical specifications and DO-214AB packaging. B330Q-13-F is supplied in Tape & Reel format and offers extended operating temperature range (-55°C to 150°C) compared to B330-13-F (-55°C to 125°C). B330Q-13-F also carries automotive-grade qualification (AEC-Q101).

Q: Why do some substitute parts have higher forward voltage drop? A: Forward voltage drop (Vf) varies among manufacturers due to differences in semiconductor material quality, junction design, and manufacturing process. Parts from Diodes Incorporated (B330 series) and Microchip Technology (5821 series) exhibit Vf values of 480–500 mV @ 3 A compared to 410 mV for the SSL33HM6G. This difference results in slightly higher power dissipation but does not affect circuit functionality in most applications.

Q: Is B330B-13-F compatible with the original SSL33HM6G design? A: B330B-13-F is electrically equivalent but uses DO-214AA (SMB) package instead of DO-214AB (SMC). This requires PCB layout modification and is not a direct mechanical substitute. Use only if PCB redesign is feasible.

Q: Can B530C-13-F be used in place of SSL33HM6G? A: B530C-13-F is rated for 5A current capacity compared to 3A for SSL33HM6G. While electrically compatible at 3A operation, this part is oversized for the original application. Use only if higher current capacity is required by circuit design.

Q: What is the significance of ROHS3 compliance? A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting use of lead, cadmium, mercury, and other hazardous materials. For applications subject to environmental regulations or customer requirements, ROHS3-compliant parts (SSL33H, 5821SMJE3/TR13, B330Q-13-F, B530C-13-F) are mandatory. Non-compliant parts (5821SMJ/TR13, HSM830J/TR13) are restricted to applications where RoHS compliance is not required.

Q: Does extended operating temperature range affect substitution suitability? A: Extended temperature range (such as -55°C to 150°C for 5821SMJE3/TR13 vs. -55°C to 125°C for SSL33HM6G) provides additional design margin but does not affect substitution compatibility. Parts with extended range are suitable for all applications requiring the original temperature specification.

Q: What is AEC-Q101 qualification? A: AEC-Q101 is the Automotive Electronics Council qualification standard for discrete semiconductors. It certifies that parts meet automotive industry reliability and quality requirements. Parts carrying this qualification (SSL33H, B330Q-13-F, B330B-13-F, B530CQ-13-F) are suitable for automotive and high-reliability applications.

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