B130-M3/5AT Schottky Diode Equivalent & Substitute Parts

Part Overview

The B130-M3/5AT is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 30 V DC reverse voltage and 1 A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching electrical specifications including reverse voltage rating, forward current capacity, forward voltage characteristics, and recovery speed. Substitute components maintain compatibility with the same package footprint and thermal operating range while offering alternative sourcing options from qualified manufacturers.

Key Parameters

Parameter	B130-M3/5AT Specification
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	520 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 30 V
Package / Case	DO-214AC, SMA
Mounting Type	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C
Technology	Schottky
RoHS Status	RoHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the B130-M3/5AT is determined by the following critical parameters:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 30 V
Current - Average Rectified (Io): 1 A minimum
Package / Case: DO-214AC or SMA equivalent
Mounting Type: Surface Mount
Technology: Schottky
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Secondary Compatibility Factors:

Operating Temperature - Junction: -65°C to 150°C range
RoHS3 Compliance
MSL 1 (Unlimited) rating

Substitute parts are grouped into two categories:

Category 1 - Direct Equivalents (1 A Rating): Parts with identical 1 A current rating and 30 V reverse voltage specification. These include B130Q-13-F, RBR1L30ATE25, STPS1L30A, and STPS130A.

Category 2 - Higher Current Capability (2 A Rating): STPS2L30A provides 2 A average rectified current while maintaining 30 V reverse voltage specification. This part is suitable for applications where the B130-M3/5AT is used and higher current capacity is acceptable.

Parameter Comparison

Parameter	B130-M3/5AT (Vishay)	B130Q-13-F (Diodes Inc.)	RBR1L30ATE25 (Rohm)	STPS130A (STMicro)	STPS1L30A (STMicro)	STPS2L30A (STMicro)
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V	30 V	30 V	30 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	520 mV @ 1 A	500 mV @ 1 A	480 mV @ 1 A	550 mV @ 1 A	395 mV @ 1 A	450 mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 30 V	500 µA @ 30 V	50 µA @ 30 V	10 µA @ 30 V	200 µA @ 30 V	200 µA @ 30 V
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C	150°C (Max)	150°C (Max)	150°C (Max)	150°C (Max)
Product Status	Active	Active	Not For New Designs	Active	Active	Active
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (1 A Applications):

B130Q-13-F (Diodes Incorporated) is the primary recommended substitute. This part maintains Active product status, carries AEC-Q101 automotive qualification, and provides identical electrical specifications with 500 mV forward voltage at 1 A. The automotive-grade qualification provides additional reliability assurance for critical applications.

STPS1L30A (STMicroelectronics) offers the lowest forward voltage drop at 395 mV @ 1 A among 1 A rated options, resulting in reduced power dissipation. This part maintains Active status and is suitable for power-sensitive applications.

STPS130A (STMicroelectronics) provides the lowest reverse leakage current at 10 µA @ 30 V, making it suitable for applications requiring minimal leakage performance. This part is Active status.

RBR1L30ATE25 (Rohm Semiconductor) is classified as Not For New Designs and should be used only for legacy system maintenance or repair applications where original component sourcing is required.

For Higher Current Capability:

STPS2L30A (STMicroelectronics) is suitable for applications where the B130-M3/5AT is currently used but higher current capacity (2 A) is acceptable. This part maintains Active status and identical 30 V reverse voltage rating. Forward voltage is specified at 450 mV @ 2 A.

Compliance Considerations:

All recommended substitutes maintain RoHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing processes. All parts are classified as EAR99 for export control purposes.

Frequently Asked Questions (FAQ)

Q: Can STPS2L30A be used as a direct replacement for B130-M3/5AT?

A: STPS2L30A is electrically compatible with B130-M3/5AT in applications where the 1 A current rating of the original part is not fully utilized. The 2 A current capability of STPS2L30A provides additional margin. Both parts share identical 30 V reverse voltage rating, fast recovery speed, DO-214AC package, and surface mount configuration. Forward voltage characteristics differ due to the higher current rating (450 mV @ 2 A versus 520 mV @ 1 A).

Q: What is the difference between the forward voltage specifications across substitute parts?

A: Forward voltage varies among substitutes due to manufacturing process differences and current rating variations. STPS1L30A exhibits the lowest forward voltage at 395 mV @ 1 A, while STPS130A is specified at 550 mV @ 1 A. Lower forward voltage results in reduced power dissipation and heat generation. Selection should be based on thermal budget and efficiency requirements of the specific application.

Q: Are all substitute parts suitable for new designs?

A: RBR1L30ATE25 is classified as Not For New Designs and should not be selected for new product development. B130Q-13-F, STPS130A, STPS1L30A, and STPS2L30A are all Active status parts suitable for new designs.

Q: Do all substitute parts have the same package footprint?

A: All substitute parts use DO-214AC or SMA package designation with surface mount configuration. Physical footprints are compatible for PCB layout purposes. Supplier device package designations vary (SMA, PMDS, SMA (DO-214AC)), but these represent equivalent physical packages suitable for the same PCB land pattern.

Q: What is the significance of AEC-Q101 qualification on B130Q-13-F?

A: AEC-Q101 is an automotive industry qualification standard. B130Q-13-F carries this qualification, indicating the part meets automotive reliability and quality requirements. This qualification is relevant for applications in automotive or other mission-critical environments where enhanced reliability assurance is required.

Q: How do reverse leakage current specifications affect part selection?

A: Reverse leakage current ranges from 10 µA (STPS130A) to 500 µA (B130Q-13-F) at 30 V. Lower leakage current is beneficial in high-impedance circuits or applications with extended idle periods. The B130-M3/5AT specifies 200 µA, which is mid-range among available substitutes. Selection should consider circuit requirements for leakage performance.

Q: Can substitute parts be mixed in the same circuit or assembly?

A: All substitute parts meet the same electrical specifications for reverse voltage (30 V), current rating (1 A minimum), package type (DO-214AC/SMA), and recovery speed (Fast Recovery ≤ 500ns). Parts can be used interchangeably in the same circuit design. However, forward voltage and leakage current variations should be considered if multiple parts are used in parallel or in sensitive analog circuits.

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