B130L-13 Schottky Diode Equivalent & Substitute Parts

Part Overview

The B130L-13 is a Schottky rectifier diode manufactured by Diodes Incorporated, rated for 30 V reverse voltage and 1 A average rectified current in a surface mount SMA (DO-214AC) package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing production and repair applications. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts satisfy the same functional requirements within acceptable parameter tolerances for Schottky diode rectification circuits.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	30	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	410 mV @ 1 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	1	mA @ 30 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction	-55 to 125	°C
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the B130L-13 is determined by the following critical parameters:

Electrical Requirements:

Voltage - DC Reverse (Vr) (Max): 30 V minimum
Current - Average Rectified (Io): 1 A minimum
Technology: Schottky (fast recovery rectification)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Requirements:

Mounting Type: Surface Mount
Package / Case: DO-214AC (SMA) or equivalent surface mount package
Operating Temperature Range: Must accommodate -55°C to 125°C minimum

Compliance Requirements:

RoHS Status: ROHS3 Compliant preferred for new designs
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical and mechanical specifications) and Manufacturer Recommended Substitutes (equivalent functional performance with acceptable parameter variations). Parts with higher current ratings (2 A) or improved thermal characteristics are listed as functional alternatives where circuit design permits.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	Reverse Leakage @ Vr [µA/mA]	Package	Tj (Max) [°C]	RoHS Status	Product Status
B130L-13	Diodes Incorporated	30	1	410 @ 1 A	1 mA	DO-214AC, SMA	125	Non-compliant	Discontinued
B130L-13-F	Diodes Incorporated	30	1	410 @ 1 A	1 mA	DO-214AC, SMA	125	ROHS3 Compliant	Active
MBRA130LT3G	onsemi	30	1	410 @ 1 A	1 mA	DO-214AC, SMA	125	ROHS3 Compliant	Active
PMEG3010EP,115	Nexperia USA Inc.	30	1	360 @ 1 A	1.5 mA	SOD-128	150	ROHS3 Compliant	Active
SS13	Fairchild Semiconductor	30	1	500 @ 1 A	200 µA	DO-214AC, SMA	125	Not specified	Active
SS13-E3/5AT	Vishay General Semiconductor - Diodes Division	30	1	500 @ 1 A	200 µA	DO-214AC, SMA	125	ROHS3 Compliant	Active
SS13-E3/61T	Vishay General Semiconductor - Diodes Division	30	1	500 @ 1 A	200 µA	DO-214AC, SMA	125	ROHS3 Compliant	Active
SS13-LTP	Micro Commercial Co	30	1	500 @ 1 A	500 µA	DO-214AC, SMA	150	ROHS3 Compliant	Not For New Designs
STPS130A	STMicroelectronics	30	1	550 @ 1 A	10 µA	DO-214AC, SMA	150	ROHS3 Compliant	Active
STPS1L30A	STMicroelectronics	30	1	395 @ 1 A	200 µA	DO-214AC, SMA	150	ROHS3 Compliant	Active
STPS2L30A	STMicroelectronics	30	2	450 @ 2 A	200 µA	DO-214AC, SMA	150	ROHS3 Compliant	Active

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacement):

The B130L-13-F (Diodes Incorporated) and MBRA130LT3G (onsemi) are parametric equivalents with identical electrical specifications and SMA package compatibility. Both are ROHS3 compliant and actively produced. B130L-13-F is the preferred direct replacement, maintaining the original manufacturer lineage and identical forward voltage characteristics (410 mV @ 1 A).

Recommended Active Substitutes for New Designs:

For applications requiring ROHS3 compliance and active product status, the following parts satisfy all functional requirements:

STPS1L30A (STMicroelectronics): Improved forward voltage (395 mV @ 1 A), extended junction temperature rating (150°C max), ROHS3 compliant, actively produced.
SS13-E3/61T (Vishay): High inventory availability (22,000 pcs), ROHS3 compliant, tape & reel packaging, actively produced.
PMEG3010EP,115 (Nexperia): Superior forward voltage (360 mV @ 1 A), extended junction temperature (150°C max), SOD-128 package alternative, ROHS3 compliant.

Functional Alternatives with Higher Current Rating:

The STPS2L30A (STMicroelectronics) provides 2 A average rectified current in the same SMA package, suitable for applications requiring increased current capacity while maintaining 30 V reverse voltage rating.

Parts Not Recommended for New Designs:

SS13-LTP (Micro Commercial Co) carries "Not For New Designs" status and exhibits higher reverse leakage current (500 µA @ 30 V) compared to the original specification (1 mA @ 30 V). This part is listed for reference only in legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can B130L-13-F be used as a direct replacement for B130L-13?

A: Yes. B130L-13-F is a parametric equivalent with identical electrical specifications (30 V, 1 A, 410 mV forward voltage @ 1 A) and SMA package. The primary difference is ROHS3 compliance status and active production status. B130L-13-F is the recommended direct replacement.

Q: What is the difference between SMA and SOD-128 packages?

A: SMA (DO-214AC) and SOD-128 are both surface mount packages but have different physical dimensions and land patterns. PMEG3010EP,115 uses SOD-128 packaging and requires PCB layout modification. Verify PCB footprint compatibility before selection.

Q: Are all substitute parts ROHS3 compliant?

A: No. The original B130L-13 is RoHS non-compliant. Most active substitutes (B130L-13-F, MBRA130LT3G, SS13-E3/61T, SS13-E3/5AT, STPS130A, STPS1L30A, STPS2L30A, PMEG3010EP,115) are ROHS3 compliant. SS13 (Fairchild) does not specify RoHS status. Verify compliance requirements for your application.

Q: What is the significance of forward voltage (Vf) differences among substitutes?

A: Forward voltage affects power dissipation and circuit efficiency. Lower Vf values (PMEG3010EP,115 at 360 mV, STPS1L30A at 395 mV) reduce heat generation compared to higher Vf parts (STPS130A at 550 mV, SS13 series at 500 mV). Select based on thermal budget and efficiency requirements.

Q: Can STPS2L30A (2 A) be used in place of B130L-13 (1 A)?

A: Yes, for functional replacement. STPS2L30A maintains 30 V reverse voltage and SMA package compatibility. The higher current rating (2 A) provides design margin and is not detrimental in 1 A applications. Verify thermal management and PCB layout remain adequate.

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

A: This specifies the diode's reverse recovery time is 500 nanoseconds or less when switching at currents exceeding 200 mA. All listed substitutes meet this specification, ensuring compatibility in high-frequency switching applications.

Q: Why is SS13-LTP marked "Not For New Designs"?

A: SS13-LTP carries this designation due to higher reverse leakage current (500 µA @ 30 V) compared to the original B130L-13 specification (1 mA @ 30 V). This part is suitable only for legacy system maintenance where original specifications are already established.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, eliminating moisture-related handling constraints during storage and assembly.

Q: Are there package alternatives to SMA (DO-214AC)?

A: Yes. PMEG3010EP,115 uses SOD-128 packaging with equivalent electrical performance. SOD-128 has different physical dimensions and requires PCB footprint modification. Verify mechanical compatibility before selection.

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