SS13HE Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS13HE is a 30V, 1A Schottky rectifier diode manufactured by onsemi in SOD-323HE surface mount packaging. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The part remains in stock with 23,300 units available. Identifying equivalent and substitute parts is necessary for applications requiring continued supply, design updates, or component availability optimization.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Reverse Recovery Time (trr)	5.6	ns
Current - Reverse Leakage @ Vr	50	µA @ 30 V
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS13HE is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Current - Average Rectified (Io): 1 A minimum
Voltage - Forward (Vf) (Max) @ If: 550 mV @ 1 A maximum
Technology: Schottky diode type
Operating Temperature - Junction: -55°C to 150°C minimum range

Mechanical Compatibility Criteria:

Mounting Type: Surface Mount
Package compatibility: SOD-323HE or equivalent footprint

Compliance Criteria:

RoHS3 Compliant status
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalent: Identical electrical specifications with automotive-grade qualification
Direct Manufacturer Equivalent: Functionally equivalent with minor parameter variations and active product status
Similar Functional Equivalent: Meets electrical requirements with different packaging and parameter tolerances

Parameter Comparison

Parameter	SS13HE (onsemi)	NRVBSS13HE (onsemi)	BAS3010B03WE6327HTSA1 (Infineon)	MSS1P3-M3/89A (Vishay)
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V	30 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 1 A	550 mV @ 1 A	550 mV @ 1 A	550 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	5.6 ns	5.6 ns	Not specified	Not specified
Current - Reverse Leakage @ Vr	50 µA @ 30 V	50 µA @ 30 V	20 µA @ 30 V	200 µA @ 30 V
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-65 to 125°C	-55 to 150°C
Technology	Schottky	Schottky	Schottky	Schottky
Mounting Type	Surface Mount	Automotive Grade	Surface Mount	Surface Mount
Product Status	Not For New Designs	Not For New Designs	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

NRVBSS13HE (onsemi) - Parametric Equivalent

The NRVBSS13HE is a direct parametric equivalent with identical electrical specifications and automotive-grade qualification (AEC-Q101). Although classified as "Not For New Designs," this part offers the highest compatibility for existing designs. Selection is appropriate for applications requiring automotive-grade reliability and exact parameter matching. Inventory availability is 4,300 units.

BAS3010B03WE6327HTSA1 (Infineon) - Direct Manufacturer Equivalent

The BAS3010B03WE6327HTSA1 meets all electrical requirements with active product status, making it suitable for new designs and long-term supply assurance. This part exhibits lower reverse leakage current (20 µA versus 50 µA) and reduced capacitance (40 pF versus 55 pF), resulting in improved performance characteristics. Operating temperature range is -65°C to 125°C, which is narrower than the SS13HE. Packaging is SC-76/SOD-323 compatible. Inventory availability is 6,395 units.

MSS1P3-M3/89A (Vishay) - Similar Functional Equivalent

The MSS1P3-M3/89A satisfies all core electrical parameters with active product status. This part uses MicroSMP (DO-219AD) packaging, which differs from SOD-323HE and requires PCB layout modification. Reverse leakage current is higher at 200 µA, indicating different semiconductor processing. This option is suitable for applications where package footprint change is acceptable and high inventory availability (92,909 units) is advantageous.

Frequently Asked Questions (FAQ)

Q: Can the NRVBSS13HE directly replace the SS13HE in existing designs?

A: Yes. The NRVBSS13HE is a parametric equivalent with identical electrical specifications, forward voltage, reverse recovery time, and operating temperature range. Both parts use SOD-323HE packaging. The primary difference is automotive-grade qualification (AEC-Q101) on the NRVBSS13HE, which provides additional reliability assurance without affecting functional compatibility.

Q: What are the key differences between the BAS3010B03WE6327HTSA1 and SS13HE?

A: The BAS3010B03WE6327HTSA1 maintains identical voltage, current, and forward voltage specifications. Differences include lower reverse leakage current (20 µA versus 50 µA), reduced capacitance (40 pF versus 55 pF), and active product status. Operating temperature range is -65°C to 125°C compared to -55°C to 150°C. Packaging is SC-76/SOD-323 compatible with SOD-323HE.

Q: Is the MSS1P3-M3/89A suitable as a direct replacement?

A: The MSS1P3-M3/89A meets all electrical requirements but uses MicroSMP (DO-219AD) packaging instead of SOD-323HE. This requires PCB layout and footprint modification. Reverse leakage current is higher at 200 µA. Selection is appropriate only when package change is acceptable and design flexibility exists.

Q: What is the significance of "Not For New Designs" status?

A: This designation indicates the SS13HE has reached end-of-life and is no longer recommended for new product development. Existing inventory remains available for legacy system support. For new designs, the BAS3010B03WE6327HTSA1 or MSS1P3-M3/89A with active product status are preferred.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The SS13HE, NRVBSS13HE, BAS3010B03WE6327HTSA1, and MSS1P3-M3/89A are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), meeting environmental and regulatory requirements.

Q: Which substitute offers the best long-term supply assurance?

A: The BAS3010B03WE6327HTSA1 (Infineon) and MSS1P3-M3/89A (Vishay) both have active product status, ensuring continued availability. The MSS1P3-M3/89A has the highest inventory level at 92,909 units. Selection depends on packaging compatibility requirements and design flexibility.

Q: Can reverse leakage current differences affect circuit performance?

A: Reverse leakage current variations (50 µA for SS13HE, 20 µA for BAS3010B03WE6327HTSA1, 200 µA for MSS1P3-M3/89A) may impact high-impedance circuits or precision applications. For standard rectification applications, these differences are typically negligible. Circuit analysis is required for applications sensitive to leakage current.

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