B330-13 Schottky Diode 30V 3A SMC Equivalent & Substitute Parts

Part Overview

The B330-13 is a Schottky rectifier diode rated for 30V DC reverse voltage and 3A average rectified current in a Surface Mount SMC (DO-214AB) package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing production and repair applications. The part exhibits fast recovery characteristics suitable for high-frequency switching applications with a maximum forward voltage of 500 mV at 3A operation.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	3 A
Voltage - Forward (Vf) (Max) @ If	500 mV @ 3 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 30 V
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 125°C
Technology	Schottky

Substitute Part Grouping Explanation

Substitution of the B330-13 is determined by the following critical parameters: voltage rating (30V minimum), current rating (3A minimum), package type (DO-214AB or compatible SMC), and technology classification (Schottky). Parts are grouped into categories based on exact parametric equivalence, direct manufacturer alternatives, and upgraded specifications.

Parametric Equivalent Parts maintain identical electrical specifications and package form factor, differing only in manufacturer, packaging format, or compliance status. These parts satisfy direct replacement requirements without circuit redesign.

Direct Manufacturer Alternatives originate from different manufacturers but meet or exceed the electrical specifications of the B330-13 within the same package family.

Upgraded Specifications provide higher current ratings or improved thermal characteristics while maintaining voltage compatibility and package compatibility.

Alternative Package Options deliver equivalent electrical performance in different surface mount packages, requiring PCB layout modification.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf (Max) @ If	Package	Temp Range	Product Status	RoHS Status
B330-13	Diodes Incorporated	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 125°C	Discontinued	Non-compliant
B330-13-F	Diodes Incorporated	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 125°C	Active	ROHS3 Compliant
SK33-TP	Micro Commercial Co	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 150°C	Not For New Designs	ROHS3 Compliant
SS33	Fairchild Semiconductor	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 150°C	Active	Not specified
PMEG3030EP,115	Nexperia USA Inc.	30 V	3	360 mV @ 3 A	SOD-128	-55°C ~ 150°C	Active	ROHS3 Compliant
SK153-TP	Micro Commercial Co	30 V	15	550 mV @ 15 A	DO-214AB, SMC	-55°C ~ 125°C	Obsolete	ROHS3 Compliant
SK33_R1_00001	Panjit International Inc.	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 125°C	Active	ROHS3 Compliant
SS33-E3/57T	Vishay General Semiconductor	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 125°C	Active	ROHS3 Compliant
SS33-E3/9AT	Vishay General Semiconductor	30 V	3	500 mV @ 3 A	DO-214AB, SMC	-55°C ~ 125°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: B330-13-F

The B330-13-F from Diodes Incorporated is the direct parametric equivalent with identical electrical specifications and package configuration. This part maintains full compatibility with existing PCB designs and assembly processes. The B330-13-F is currently active in production with ROHS3 compliance certification and represents the lowest-risk substitution path.

Secondary Recommendation: SS33-E3/9AT or SS33-E3/57T

Both Vishay General Semiconductor variants (SS33-E3/9AT and SS33-E3/57T) provide parametric equivalence with identical voltage, current, and forward voltage specifications. These parts are active in production with ROHS3 compliance. Selection between these variants depends on packaging format requirements (Tape & Reel versus Cut Tape & Digi-Reel).

Alternative Recommendation: SK33_R1_00001

The Panjit International Inc. part SK33_R1_00001 delivers parametric equivalence with active product status and ROHS3 compliance. This option is suitable for applications where supply chain diversification is required.

Upgraded Option: SK153-TP

The SK153-TP provides a higher current rating (15A versus 3A) while maintaining the 30V voltage specification and DO-214AB package. This part is classified as obsolete and is not recommended for new designs. Use only in legacy system maintenance where the higher current capacity is required and no other alternatives are available.

Alternative Package Option: PMEG3030EP,115

The Nexperia PMEG3030EP,115 delivers equivalent voltage and current specifications with improved forward voltage characteristics (360 mV @ 3A versus 500 mV @ 3A). This part uses the SOD-128 package, requiring PCB layout modification. This option is suitable for applications where thermal performance improvement justifies redesign effort.

Frequently Asked Questions (FAQ)

Q: Can B330-13-F be used as a direct replacement for B330-13?

A: Yes. The B330-13-F maintains identical electrical specifications (30V, 3A, 500 mV forward voltage) and package configuration (DO-214AB SMC). No circuit modification is required. The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 compliant versus non-compliant).

Q: What is the difference between SS33-E3/9AT and SS33-E3/57T?

A: Both parts are electrically identical with 30V, 3A ratings and 500 mV forward voltage. The difference is packaging format: SS33-E3/9AT is supplied in Tape & Reel format, while SS33-E3/57T is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Can PMEG3030EP,115 replace B330-13 without circuit changes?

A: PMEG3030EP,115 is electrically compatible (30V, 3A) but uses a different package (SOD-128 versus DO-214AB SMC). PCB layout modification is required. The improved forward voltage (360 mV @ 3A) may reduce power dissipation in the application. Thermal analysis should be performed to confirm benefit justification.

Q: Is SK153-TP suitable for new designs?

A: No. SK153-TP is classified as obsolete and is not recommended for new designs. This part provides higher current capability (15A) but is no longer actively manufactured. Use only in legacy system maintenance where the higher current rating is specifically required and no active alternatives meet the application requirements.

Q: What does ROHS3 compliance mean for this application?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. The original B330-13 is non-compliant. All recommended substitutes (B330-13-F, SS33 variants, SK33_R1_00001) are ROHS3 compliant, making them suitable for applications with environmental or regulatory compliance requirements.

Q: Can multiple manufacturers' parts be mixed in the same assembly?

A: Yes. All recommended parametric equivalents (B330-13-F, SS33-E3/9AT, SS33-E3/57T, SK33_R1_00001) meet identical electrical specifications and package requirements. Mixing manufacturers in the same assembly is acceptable from an electrical standpoint. Verify procurement, traceability, and quality documentation requirements with your supply chain management process.

Q: What is the significance of the reverse leakage current specification?

A: Reverse leakage current (500 µA @ 30V for B330-13) indicates the small current flowing through the diode when reverse biased. This parameter affects power dissipation in standby conditions and leakage current in high-impedance circuits. All recommended parametric equivalents maintain the 500 µA specification except SK33_R1_00001 (200 µA), which provides lower leakage performance.

Q: Are there any thermal performance differences between substitutes?

A: Operating temperature ranges vary: B330-13 and SK33_R1_00001 specify -55°C to 125°C, while SK33-TP, SS33, and PMEG3030EP,115 specify -55°C to 150°C. The PMEG3030EP,115 exhibits lower forward voltage (360 mV versus 500 mV), resulting in reduced power dissipation. For applications operating near maximum junction temperature limits, the higher temperature-rated parts or lower forward voltage option should be evaluated.

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