SSA33L-E3/5AT Equivalent & Substitute Parts

Part Overview

The SSA33L-E3/5AT is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 30 V DC reverse voltage and 3 A average rectified current. The device is packaged in DO-214AC (SMA) surface mount configuration and is classified as Active product status with ROHS3 compliance. Equivalent and substitute parts are identified to address supply chain requirements, packaging preferences, and application-specific certifications such as automotive qualification.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	450	mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	500	µA @ 30 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SSA33L-E3/5AT are grouped into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Identical Electrical Specifications)

Parametric equivalent parts maintain all critical electrical parameters: 30 V reverse voltage, 3 A average rectified current, 450 mV forward voltage drop at 3 A, and fast recovery speed. These parts differ only in packaging format (Tape & Reel versus Cut Tape) or internal qualification grades. Parametric equivalents include SSA33L-E3/61T, SSA33L-M3/5AT, and SSA33LHE3_A/H.

Manufacturer Recommended Substitutes (Functional Equivalents)

Manufacturer recommended substitutes maintain the core electrical specifications (30 V reverse voltage, 3 A average rectified current, fast recovery speed) but may vary in forward voltage drop, reverse leakage current, package type, or operating temperature range. These parts are qualified for direct substitution in applications where the SSA33L-E3/5AT is specified. Substitutes include B330A-13-F (Diodes Incorporated), PMEG3030BEP,115 (Nexperia USA Inc.), and STPS2L30A (STMicroelectronics).

Current-Limited Alternatives (Reduced Current Rating)

STPS1L30A and STPS130A are rated for 1 A average rectified current and are suitable only for applications where the circuit current requirement does not exceed 1 A. These parts maintain 30 V reverse voltage and fast recovery characteristics but are not direct substitutes for 3 A applications.

Voltage-Elevated Alternative (Higher Voltage Rating)

STPS340U is rated for 40 V reverse voltage and 3 A average rectified current in SMB package. This part is suitable for applications requiring higher voltage margin but requires PCB layout modification due to different package geometry.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	Ir @ Vr [µA]	Package	Temp Range [°C]	Automotive Grade
SSA33L-E3/5AT	Vishay	30	3	450 @ 3A	500 @ 30V	DO-214AC (SMA)	-65 to 150	No
SSA33L-E3/61T	Vishay	30	3	450 @ 3A	500 @ 30V	DO-214AC (SMA)	-65 to 150	No
SSA33L-M3/5AT	Vishay	30	3	450 @ 3A	500 @ 30V	DO-214AC (SMA)	-65 to 150	No
SSA33LHE3_A/H	Vishay	30	3	450 @ 3A	500 @ 30V	DO-214AC (SMA)	-65 to 150	Yes (AEC-Q101)
B330A-13-F	Diodes Inc.	30	3	500 @ 3A	500 @ 30V	DO-214AC (SMA)	-55 to 150	Yes (AEC-Q101)
PMEG3030BEP,115	Nexperia	30	3	450 @ 3A	150 @ 30V	SOD-128	—	No
STPS1L30A	STMicroelectronics	30	1	395 @ 1A	200 @ 30V	DO-214AC (SMA)	—	No
STPS2L30A	STMicroelectronics	30	2	450 @ 2A	200 @ 30V	DO-214AC (SMA)	—	No
STPS130A	STMicroelectronics	30	1	550 @ 1A	10 @ 30V	DO-214AC (SMA)	—	No
STPS340U	STMicroelectronics	40	3	630 @ 3A	20 @ 40V	DO-214AA (SMB)	—	No

Engineering Selection Recommendations

Direct Parametric Equivalents

SSA33L-E3/61T, SSA33L-M3/5AT, and SSA33LHE3_A/H are direct parametric equivalents with identical electrical performance. Selection between these parts is determined by packaging format availability and supply chain requirements. SSA33L-E3/61T is supplied in Cut Tape & Digi-Reel format. SSA33L-M3/5AT is supplied in Tape & Reel format. SSA33LHE3_A/H is supplied in Tape & Reel format with AEC-Q101 automotive qualification.

Automotive Applications

For applications requiring automotive qualification, SSA33LHE3_A/H (Vishay, AEC-Q101) and B330A-13-F (Diodes Incorporated, AEC-Q101) are qualified alternatives. B330A-13-F exhibits 50 mV higher forward voltage drop (500 mV versus 450 mV at 3 A) and narrower operating temperature range (-55°C to 150°C versus -65°C to 150°C).

Alternative Manufacturers

PMEG3030BEP,115 (Nexperia) maintains identical forward voltage (450 mV @ 3 A) and current rating (3 A) but is packaged in SOD-128 instead of DO-214AC (SMA). This part exhibits lower reverse leakage current (150 µA versus 500 µA at 30 V). PCB layout modification is required for package compatibility.

Current-Reduced Applications

STPS2L30A (STMicroelectronics, 2 A rating) is suitable for applications where circuit current does not exceed 2 A. STPS1L30A and STPS130A (both 1 A rating) are suitable only for applications with maximum circuit current of 1 A. These parts maintain 30 V reverse voltage and fast recovery characteristics.

Higher Voltage Requirement

STPS340U (STMicroelectronics, 40 V rating) is suitable for applications requiring higher voltage margin. This part maintains 3 A current rating but requires SMB package accommodation on the PCB. Forward voltage drop is elevated to 630 mV at 3 A.

Frequently Asked Questions (FAQ)

Q: Can SSA33L-E3/61T be used as a direct replacement for SSA33L-E3/5AT?

A: Yes. SSA33L-E3/61T is a parametric equivalent with identical electrical specifications. The difference is packaging format: SSA33L-E3/61T is supplied in Cut Tape & Digi-Reel format while SSA33L-E3/5AT is supplied in Tape & Reel format. Both are DO-214AC (SMA) package.

Q: What is the difference between SSA33LHE3_A/H and SSA33L-E3/5AT?

A: Electrical specifications are identical. SSA33LHE3_A/H includes AEC-Q101 automotive qualification, making it suitable for automotive applications. Both parts are Vishay products in DO-214AC (SMA) package.

Q: Can B330A-13-F replace SSA33L-E3/5AT in all applications?

A: B330A-13-F is a functional equivalent with 30 V reverse voltage and 3 A current rating. Forward voltage drop is 50 mV higher (500 mV versus 450 mV at 3 A). Operating temperature range is narrower (-55°C to 150°C versus -65°C to 150°C). B330A-13-F is AEC-Q101 qualified. Verify application thermal and voltage drop requirements before substitution.

Q: Why is PMEG3030BEP,115 listed as a substitute if it uses a different package?

A: PMEG3030BEP,115 maintains identical electrical performance (30 V, 3 A, 450 mV forward voltage) and is functionally equivalent. However, SOD-128 package requires different PCB footprint than DO-214AC (SMA). Substitution requires PCB layout modification.

Q: Can STPS1L30A or STPS130A be used in place of SSA33L-E3/5AT?

A: STPS1L30A and STPS130A are rated for 1 A average rectified current, not 3 A. These parts are suitable only for applications where circuit current does not exceed 1 A. They are not direct substitutes for 3 A applications.

Q: Is STPS340U a suitable substitute?

A: STPS340U is rated for 40 V reverse voltage and 3 A current, providing higher voltage margin than SSA33L-E3/5AT (30 V). However, STPS340U uses SMB package instead of SMA, requiring PCB layout modification. Forward voltage drop is elevated to 630 mV at 3 A. Substitution is suitable only for applications where higher voltage rating and package change are acceptable.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean?

A: This specification indicates the diode exhibits fast recovery time of 500 nanoseconds or less when switching from forward to reverse bias at currents exceeding 200 mA. All listed substitutes maintain this fast recovery characteristic.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture sensitivity precautions are required during storage or handling.

Q: What is the significance of the "-65°C to 150°C" operating temperature range?

A: This is the junction temperature operating range. SSA33L-E3/5AT operates from -65°C to 150°C. B330A-13-F has a narrower range (-55°C to 150°C). Verify application temperature requirements before substitution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message