B380-13-F Schottky Diode Equivalent & Substitute Parts

Part Overview

The B380-13-F is a Schottky rectifier diode manufactured by Diodes Incorporated, rated for 80 V DC reverse voltage and 3 A average rectified current in a surface mount SMC (DO-214AB) package. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for equivalent electrical performance from alternative manufacturers. The parts listed below provide electrical and mechanical equivalence within defined parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	80	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) Maximum @ If	790	mV @ 3 A
Speed - Fast Recovery	≤ 500	ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500	µA @ 80 V
Capacitance @ Vr, F	100	pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-55 to 125	°C
Technology	Schottky	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the B380-13-F is determined by the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) Maximum: 80 V or higher
Current - Average Rectified (Io): 3 A minimum
Technology: Schottky
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
Mounting Type: Surface Mount
Package / Case: DO-214AB or compatible surface mount package

Mechanical Compatibility Criteria:

Package format: SMC (DO-214AB) or equivalent surface mount package
RoHS3 Compliance: Required
Moisture Sensitivity Level: MSL 1 (Unlimited)

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

Parametric Equivalent (Same Manufacturer): B380Q-13-F — Identical electrical specifications with alternative packaging format (Tape & Reel vs. Cut Tape).
Direct Manufacturer Equivalent (Cross-Manufacturer): SS3H9-E3/57T — Vishay part with higher voltage rating (90 V) and improved reverse leakage characteristics, maintaining 3 A current rating and SMC package compatibility.
Manufacturer Recommended Equivalents: MB38_R1_00001 (Panjit), SK38-TP (Micro Commercial Co), and SS38 (MDD) — Parts meeting the 80 V / 3 A specification with SMC or SMA package options.

Parameter Comparison

Parameter	B380-13-F	B380Q-13-F	SS3H9-E3/57T	MB38_R1_00001	SK38-TP	SS38
Manufacturer	Diodes Inc.	Diodes Inc.	Vishay	Panjit	Micro Commercial Co	MDD
Voltage - DC Reverse (Vr) Max	80 V	80 V	90 V	80 V	80 V	80 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) Max @ If	790 mV @ 3 A	790 mV @ 3 A	800 mV @ 3 A	800 mV @ 3 A	850 mV @ 3 A	—
Speed - Fast Recovery	≤ 500 ns	≤ 500 ns	≤ 500 ns	≤ 500 ns	≤ 500 ns	≤ 500 ns
Current - Reverse Leakage @ Vr	500 µA @ 80 V	500 µA @ 80 V	20 µA @ 90 V	50 µA @ 80 V	500 µA @ 80 V	500 µA @ 80 V
Capacitance @ Vr, F	100 pF @ 4V, 1MHz	100 pF @ 4V, 1MHz	—	140 pF @ 4V, 1MHz	250 pF @ 4V, 1MHz	300 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AC, SMA
Operating Temperature - Junction	-55 to 125°C	-55 to 125°C	-65 to 175°C	-65 to 175°C	-55 to 150°C	-55 to 150°C
Product Status	Active	Active	Active	Active	Not For New Designs	Active
RoHS3 Compliance	Yes	Yes	Yes	Yes	Yes	Yes
Moisture Sensitivity Level	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1

Engineering Selection Recommendations

B380Q-13-F (Diodes Incorporated): This part is the direct parametric equivalent to B380-13-F with identical electrical specifications. The primary difference is packaging format: B380Q-13-F is supplied in Tape & Reel (TR) format while B380-13-F is supplied in Cut Tape (CT) format. Both parts are Active status and carry AEC-Q101 automotive qualification on the B380Q variant. Selection of B380Q-13-F is appropriate when Tape & Reel packaging is required for automated assembly processes.

SS3H9-E3/57T (Vishay General Semiconductor): This part provides a higher voltage rating (90 V vs. 80 V) with significantly improved reverse leakage characteristics (20 µA @ 90 V vs. 500 µA @ 80 V). The forward voltage is marginally higher (800 mV vs. 790 mV). This part is suitable for applications where lower leakage current is beneficial and the higher voltage rating provides additional design margin. Operating temperature range extends to 175°C.

MB38_R1_00001 (Panjit International Inc.): This part meets the 80 V / 3 A specification with forward voltage of 800 mV and reverse leakage of 50 µA @ 80 V. Operating temperature range extends to 175°C. This part is suitable for designs requiring extended temperature performance.

SK38-TP (Micro Commercial Co): This part carries a "Not For New Designs" product status designation. While electrically equivalent at 80 V / 3 A, the forward voltage is higher at 850 mV and capacitance is elevated at 250 pF. This part should not be selected for new designs but may be used for legacy system maintenance or repair applications.

SS38 (MDD): This part is supplied in SMA (DO-214AC) package format rather than SMC (DO-214AB). The electrical specifications match the B380-13-F at 80 V / 3 A with 500 µA reverse leakage. Package format difference requires PCB layout modification and is suitable only when SMA package compatibility is required.

Frequently Asked Questions (FAQ)

Q: Can B380Q-13-F be used as a direct replacement for B380-13-F?

A: Yes. B380Q-13-F is a parametric equivalent with identical electrical specifications (80 V, 3 A, 790 mV forward voltage). The difference is packaging format: B380Q-13-F uses Tape & Reel (TR) packaging while B380-13-F uses Cut Tape (CT) packaging. Both are Active status products from Diodes Incorporated. Selection depends on assembly process requirements.

Q: What is the advantage of SS3H9-E3/57T over B380-13-F?

A: SS3H9-E3/57T provides three technical advantages: (1) higher voltage rating of 90 V provides additional design margin, (2) significantly lower reverse leakage current of 20 µA @ 90 V compared to 500 µA @ 80 V, and (3) extended operating temperature range to 175°C. The forward voltage is marginally higher at 800 mV. This part is suitable for applications prioritizing low leakage performance.

Q: Why is SK38-TP marked "Not For New Designs"?

A: SK38-TP carries a "Not For New Designs" product status, indicating the manufacturer (Micro Commercial Co) has discontinued active development and support for this part. While the part remains electrically functional and in stock, it should not be selected for new circuit designs. Use this part only for legacy system maintenance or repair.

Q: Can SS38 be used in place of B380-13-F?

A: SS38 is electrically equivalent at 80 V / 3 A but uses a different package format: SMA (DO-214AC) instead of SMC (DO-214AB). These packages have different physical dimensions and PCB footprints. SS38 requires PCB layout modification and is suitable only when SMA package compatibility is required or when SMC packages are unavailable.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: (1) Voltage - DC Reverse rating of 80 V or higher, (2) Current - Average Rectified rating of 3 A minimum, (3) Technology type of Schottky, (4) Fast Recovery speed ≤ 500 ns, (5) Surface Mount mounting type, (6) DO-214AB or compatible surface mount package, (7) RoHS3 compliance, and (8) MSL 1 moisture sensitivity level. Forward voltage and reverse leakage may vary within acceptable design tolerances.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (B380Q-13-F, SS3H9-E3/57T, MB38_R1_00001, SK38-TP, and SS38) are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity level classification.

Q: What is the difference between SMC and SMA packages?

A: SMC (DO-214AB) and SMA (DO-214AC) are different surface mount diode package formats with different physical dimensions and PCB footprints. SMC is larger than SMA. These packages are not mechanically interchangeable without PCB redesign. B380-13-F uses SMC package; SS38 uses SMA package.

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