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

Diodes Incorporated B190AE-13

Name: B190AE-13
Brand: Diodes Incorporated
SKU: B190AE-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: B190AE-13

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AC, SMA

Datasheet:: B190AE-13.pdf

Description:: DIODE SCHOTTKY 90V 1A SMA

Quantity:: RFQ Add To RFQ list

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Inventory:8,316

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Product details

Overview

B190AE-13 from Diodes Incorporated is a 90 V, 1.0 A high-voltage Schottky barrier rectifier in SMA package, featuring 0.79 V max forward voltage at 1.0 A and 0.2 mA max reverse leakage at 25°C, optimized for polarity protection and DC-DC freewheeling in compact power supplies.

For engineers reviewing the B190AE-13 datasheet, B190AE-13 pinout, B190AE-13 application, or B190AE-13 equivalent, this device is selected for low-loss, high-frequency rectification where thermal resistance (R_θJA = 110°C/W) and RoHS-compliant lead-free plating are critical in space-constrained industrial and consumer power designs.

Technical Context

This Schottky rectifier uses guard ring die construction to enhance transient immunity and supports automated SMT assembly with standard SMA footprint. Its low forward voltage drop and fast switching behavior stem from metal–semiconductor junction physics, not PN-junction recovery delays.

It operates across –55°C to +150°C with derated current above 25°C (see Figure 4), and exhibits 27 pF typical junction capacitance at 4 V reverse bias and 1 MHz - enabling stable performance in high-frequency DC-DC converters and reverse-polarity protection circuits.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	90 V - Maximum repetitive reverse voltage before breakdown; sets safe blocking margin in 48 V or 60 V bus protection.
I_O	1.0 A - Average rectified output current at 25°C ambient; requires thermal derating above 25°C per Figure 4.
V_F max	0.79 V @ 1.0 A, 25°C - Low conduction loss enables >92% efficiency in 5–12 V output DC-DC stages.
I_R max	0.2 mA @ 90 V, 25°C - Minimal leakage preserves battery life in always-on polarity protection applications.
R_θJA	110°C/W - Thermal resistance on FR-4 PCB (0.4" × 0.5", 2 oz Cu); limits power dissipation to ~0.45 W at 75°C ambient.
C_T	27 pF @ 4 V, 1 MHz - Low junction capacitance minimizes switching noise and EMI in high-frequency (>100 kHz) converters.

Pinout & Package

Package: SMA (DO-214AC), surface-mount, molded plastic case with cathode band marking; RoHS-compliant matte tin terminals; weight ≈ 0.063 g.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry point during forward conduction	Connected to input/source side in blocking or freewheeling configurations; must handle full load current and surge (I_FSM = 30 A).
Cathode	Current exit point during forward conduction; marked by band	Connected to output/load side; reverse-biased during off-state; defines polarity protection orientation.

Key Features

Feature	Design Value
Guard ring die construction	Improves ruggedness against voltage transients without external TVS, reducing BOM count in automotive and industrial inputs.
Low V_F (0.79 V max)	Reduces conduction loss by ~40% vs. comparable PN rectifiers, directly lowering thermal stress in sealed enclosures.
SMA package compatibility	Enables high-density layout and reflow-solderable assembly on standard 0.4" × 0.5" FR-4 pads per Diodes' recommended footprint.
Halogen- and antimony-free "Green" compound	Meets IEC 61249-2-21:2012; <900 ppm Br/Cl, <1000 ppm Sb - supports eco-design compliance for global markets.

Applications

Power Supply Polarity Protection

DC-DC Converter Freewheeling

Use Scenario: Prevents damage from reversed input voltage in wall adapters and USB-C PD accessories.

IC Role / Device Role / Timing Role: Unidirectional blocking diode placed between input connector and downstream regulator.

Use Value: 0.2 mA leakage ensures negligible standby drain; 90 V rating covers surge margins up to ±60 V.

Use Scenario: Recirculates inductor current during MOSFET off-time in buck converters operating at 300–500 kHz.

IC Role / Device Role / Timing Role: Fast-recovery freewheeling path with minimal reverse recovery charge (Q_rr ≈ 0 nC).

Use Value: 27 pF capacitance and 0.79 V V_F reduce switching losses and output ripple compared to PN alternatives.

AC-DC Output Rectification

Blocking Diode in Solar Charge Controllers

Use Scenario: Secondary-side rectification in offline flyback supplies delivering 5–24 V at ≤1 A.

IC Role / Device Role / Timing Role: Synchronous rectification alternative where gate drive complexity is avoided.

Use Value: 110°C/W R_θJA allows operation at full 1 A with ≤45°C temperature rise on standard PCBs.

Use Scenario: Isolates battery from PV panel during night or shading to prevent reverse discharge.

IC Role / Device Role / Timing Role: Standby-blocking element in low-power solar charge management IC reference designs.

Use Value: 0.2 mA IR at 25°C and 5.0 mA at 125°C ensures <1 µA/cm² self-discharge rate over 10-year field life.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SS19-E3/5AT (Vishay)	Same 90 V V_RRM, 1.0 A I_O, but VF = 0.85 V max @ 1 A; R_θJA = 120°C/W; SMB package.	Higher thermal resistance and forward drop reduce efficiency in thermally constrained layouts.	Select if SMB footprint is required and 60 mW higher conduction loss is acceptable.
SB190 (ON Semiconductor)	90 V V_RRM, 1.0 A I_O, VF = 0.82 V max @ 1 A; same SMA package; IR = 0.5 mA @ 25°C.	Higher leakage may impact ultra-low-power battery hold-up time in always-on systems.	Prefer when legacy ON Semi design reuse is prioritized over lowest leakage.

Compared with SS19-E3/5AT and SB190, B190AE-13 delivers the lowest combined conduction loss (0.79 V) and leakage (0.2 mA), with verified 110°C/W thermal performance on standard FR-4 - making it optimal for high-efficiency, space-limited 1 A rectification where thermal headroom is tight.

Availability

B190AE-13 is available at Aetrix Electronics and suitable for polarity protection, DC-DC freewheeling, and AC-DC output rectification requiring stable component supply, consistent RoHS compliance, and validated thermal performance on standard PCBs.

Supply support for B190AE-13 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, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The B170AE–B1100AE series belongs to Diodes' high-voltage Schottky rectifier product line, engineered specifically for low-loss, high-frequency power conversion and robust reverse-polarity protection in cost-sensitive, high-volume power supply designs.

FAQ

What is the maximum junction temperature for B190AE-13?

The absolute maximum junction temperature is +150°C, with continuous operation rated from –55°C to +150°C. Derating begins at 25°C ambient per Figure 4: at 75°C ambient, maximum DC current drops to ~0.65 A on standard FR-4 PCB.

Is B190AE-13 suitable for synchronous rectification replacement?

No - B190AE-13 is a passive Schottky rectifier, not a synchronous rectifier controller or MOSFET driver. It replaces PN diodes in freewheeling paths but cannot substitute for active gate-driven MOSFETs in synchronous topologies.

Does B190AE-13 have a specified reverse recovery time (t_rr)?

No - as a Schottky barrier device, it has no minority-carrier storage; reverse recovery is effectively instantaneous (<1 ns). The datasheet omits t_rr because it is not a meaningful parameter - only junction capacitance (27 pF) and leakage govern dynamic behavior.

Can B190AE-13 be used in automotive under-hood applications?

Yes, within its –55°C to +150°C operating range and with appropriate board-level thermal design. However, it is not AEC-Q101 qualified; for automotive safety-critical use, Diodes' AEC-Q101-certified equivalents (e.g., B190AEQ-13) must be specified.

B190AE-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AC, SMA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Technology:: Schottky

Voltage - DC Reverse (Vr) (Max):: 90 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:: 200 µA @ 90 V

Capacitance @ Vr, F:: 27pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SMA

Operating Temperature - Junction:: -55°C ~ 150°C

B190AE-13 FAQ

1.How can I place an order for B190AE-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for B190AE-13 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 B190AE-13 reliable?

The price and inventory of B190AE-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for B190AE-13 is usually 5 days.

3.What payment methods are accepted for B190AE-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for B190AE-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for B190AE-13?

B190AE-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your B190AE-13 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 B190AE-13?

For technical support, including B190AE-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your B190AE-13 requirements.

6.How does Aetrix verify that B190AE-13 is sourced from the original manufacturer or authorized distributors?

All B190AE-13 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 B190AE-13 meets industry standards.

7.What is the process for return or replacement of B190AE-13?

All B190AE-13 units undergo pre-shipment inspection (PSI). If there is an issue with B190AE-13, 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 B190AE-13 part is unused and in its original packaging.

Return procedure for B190AE-13:

1.Submit a request within 90 days.

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

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