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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Diodes Incorporated B180BQ-13-F

Name: B180BQ-13-F
Brand: Diodes Incorporated
SKU: B180BQ-13-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: B180BQ-13-F

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AA, SMB

Datasheet:: B180BQ-13-F.pdf

Description:: DIODE SCHOTTKY 80V 1A SMB

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Inventory:9,437

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Product details

Overview

B180BQ-13-F from Diodes Incorporated is a 1.0A, 80V peak repetitive reverse voltage (V_RRM) Schottky barrier rectifier in SMB package, featuring 0.79V max forward voltage at 1.0A and 0.5mA max reverse leakage at rated voltage, optimized for polarity protection and DC-DC converter freewheeling in automotive power rails.

For engineers reviewing the B180BQ-13-F datasheet, B180BQ-13-F pinout, B180BQ-13-F application, or B180BQ-13-F equivalent, key selection criteria include V_RRM margin vs. system bus voltage, thermal resistance (25°C/W), AEC-Q101 qualification status, and SMB footprint compatibility with high-frequency switching topologies.

Technical Context

This Schottky rectifier uses guard ring die construction to suppress transient-induced avalanche failure and supports automated SMT assembly with lead-free matte tin plating rated for 260°C/10s soldering. Its low VF and fast recovery enable high-efficiency operation in 100kHz–1MHz DC-DC converters.

Rated for -65°C to +150°C junction temperature, it delivers 1.0A average forward current at T_T = +125°C with 30A non-repetitive surge capability (8.3ms half-sine), and exhibits 80pF total capacitance at 4V reverse bias-critical for minimizing switching losses in synchronous rectification.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	80 V - Withstands 80V reverse transients without breakdown; selected for 24V automotive systems with 3× voltage margin.
I_O	1.0 A - Continuous average forward current rating at terminal temperature of +125°C.
V_F max	0.79 V @ 1.0A, +25°C - Low conduction loss reduces heat generation in compact power stages.
I_R max	0.5 mA @ 80V, +25°C - Minimal leakage preserves battery standby life in always-on modules.
R_θJT	25 °C/W - Enables thermal design with direct PCB copper pour for SMB package without heatsink.
C_T	80 pF @ 4V, 1MHz - Limits capacitive turn-on loss in high-frequency buck converters.

Pinout & Package

Package: SMB (Surface Mount Small Outline) molded plastic case, UL 94V-0 rated, 0.093g weight, cathode band polarity marking.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to lower-potential node (e.g., switch node in buck converter); accepts 1.0A continuous current.
Cathode	Forward current exit / reverse blocking terminal	Marked by band; connects to higher-potential rail (e.g., input V_IN); blocks up to 80V reverse voltage.

Key Features

Feature	Design Value
Guard ring die construction	Suppresses edge avalanche during voltage transients-enables robust operation in load-dump conditions.
AEC-Q101 qualification	Validated for automotive underhood applications including engine control units and body electronics.
Lead-free & halogen-free	Meets RoHS 3 and "Green" standards (<900ppm Br/Cl, <1000ppm Sb); compatible with lead-free reflow profiles.
High-temperature solderability	Withstands 260°C for 10 seconds-ensures reliability in double-sided reflow processes.

Applications

Automotive Polarity Protection

DC-DC Converter Freewheeling

Use Scenario: Reverse-battery connection protection in 12V/24V vehicle infotainment head units.

IC Role / Device Role / Timing Role: Blocking diode placed between battery input and downstream regulator to prevent damage from reversed polarity.

Use Value: 0.79V forward drop minimizes voltage loss while 80V V_RRM covers ISO 7637-2 pulse 5a (120V transient).

Use Scenario: Output rectification in 500kHz synchronous buck converter powering ADAS camera module.

IC Role / Device Role / Timing Role: Freewheeling path for inductor current during high-side FET off-time.

Use Value: 80pF capacitance and fast recovery reduce switching loss; SMB footprint allows dense layout near power inductor.

AC-DC Input Stage

Re-Circulating Diode in Motor Drive

Use Scenario: Bridge rectifier output stage in 24V industrial AC-DC adapter.

IC Role / Device Role / Timing Role: Output rectifier smoothing ripple after transformer secondary.

Use Value: 1.0A rating and 25°C/W thermal resistance support continuous conduction mode without derating at +85°C ambient.

Use Scenario: Back-EMF clamping in 24V brushed DC motor driver PCB.

IC Role / Device Role / Timing Role: Recirculation path for inductive kickback when H-bridge switches off.

Use Value: 30A surge rating handles motor stall currents; guard ring prevents snapback failure during rapid current reversal.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SB180-E3/54 (Vishay)	V_RRM = 80V, I_O = 1.0A, V_F = 0.85V max @ 1.0A - 7.6% higher forward drop.	Not AEC-Q101 qualified; suitable only for commercial-grade designs.	Select if cost sensitivity outweighs automotive qualification requirements.
SS18HE3/52T (Vishay)	V_RRM = 80V, I_O = 1.0A, V_F = 0.75V typ @ 1.0A - lower typical VF but no guard ring structure.	Lacks transient suppression features; not validated for load-dump stress.	Prefer for low-loss consumer power supplies where transient immunity is secondary.

Compared with SB180-E3/54 and SS18HE3/52T, B180BQ-13-F uniquely combines AEC-Q101 qualification, guard ring protection, and 0.79V max VF in SMB-making it the only choice for automotive-grade freewheeling and polarity protection requiring both reliability and efficiency.

Availability

B180BQ-13-F is available at Aetrix Electronics and suitable for automotive ECU power management, industrial DC-DC converters, and battery-powered polarity protection circuits requiring stable component supply across multi-year production cycles.

Supply support for B180BQ-13-F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management and signal integrity solutions for automotive, industrial, and computing markets.

The B180BQ series belongs to Diodes' AEC-Q101-qualified Schottky rectifier product line, engineered specifically for automotive power conversion and protection where transient robustness and thermal stability are critical.

FAQ

Is B180BQ-13-F suitable for use in 48V mild-hybrid automotive systems?

No. With a peak repetitive reverse voltage (V_RRM) of 80V, B180BQ-13-F lacks sufficient margin for 48V systems subject to ISO 16750-2 load dump transients (up to 110V). For such applications, B1100BQ-13-F (100V V_RRM) or higher-rated alternatives are required to ensure safe operation.

What is the maximum allowable PCB copper area for thermal relief with B180BQ-13-F?

Based on its 25°C/W junction-to-terminal thermal resistance, a minimum 25 mm² of 2-oz copper connected directly to both anode and cathode pads achieves ~50°C/W board-level R_θJA at +25°C ambient. Larger copper areas further reduce temperature rise but require verification against IPC-2152 standards for current-carrying capacity.

Does B180BQ-13-F have a specified reverse recovery time (t_rr)?

No-Schottky barrier rectifiers like B180BQ-13-F are majority-carrier devices with no minority-carrier storage delay; they exhibit effectively zero reverse recovery time. This eliminates switching tail current and associated losses seen in PN-junction rectifiers, enabling efficient operation above 100kHz.

Can B180BQ-13-F be used in parallel for higher current handling?

Parallel operation is not recommended due to mismatch in forward voltage characteristics-even small V_F variations cause current imbalance. For >1.0A applications, select a single higher-current Schottky (e.g., B280BQ-13-F) or verify matched binning and thermal coupling per Diodes' Application Note AN-7002 before implementing parallel configurations.

B180BQ-13-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 80 V

Current - Average Rectified (Io):: 1A

Voltage - Forward (Vf) (Max) @ If:: 790 mV @ 1 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 500 µA @ 80 V

Capacitance @ Vr, F:: 80pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SMB

Operating Temperature - Junction:: -65°C ~ 150°C

B180BQ-13-F FAQ

1.How can I place an order for B180BQ-13-F through Aetrix?

Please submit a Request for Quotation (RFQ) for B180BQ-13-F on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for B180BQ-13-F reliable?

The price and inventory of B180BQ-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for B180BQ-13-F is usually 5 days.

3.What payment methods are accepted for B180BQ-13-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for B180BQ-13-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for B180BQ-13-F?

B180BQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your B180BQ-13-F order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for B180BQ-13-F?

For technical support, including B180BQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your B180BQ-13-F requirements.

6.How does Aetrix verify that B180BQ-13-F is sourced from the original manufacturer or authorized distributors?

All B180BQ-13-F products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that B180BQ-13-F meets industry standards.

7.What is the process for return or replacement of B180BQ-13-F?

All B180BQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with B180BQ-13-F, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The B180BQ-13-F part is unused and in its original packaging.

Return procedure for B180BQ-13-F:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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