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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Diode Arrays

Diodes Incorporated BAW56T-7-F

Name: BAW56T-7-F
Brand: Diodes Incorporated
SKU: BAW56T-7-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BAW56T-7-F

Manufacturer:: Diodes Incorporated

Category:: Diode Arrays

Package:: SOT-523

Datasheet:: BAW56T-7-F.pdf

Description:: DIODE ARRAY GP 85V 75MA SOT-523

Quantity:: RFQ Add To RFQ list

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Inventory:3,746

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Product details

Overview

BAW56T-7-F from Diodes Incorporated is a dual common-cathode fast-switching silicon switching diode in SOT523 package, rated for 85 V peak repetitive reverse voltage, 155 mA forward current per diode, and 4.0 ns reverse recovery time. It delivers high conductance and low forward voltage (0.715 V at 1 mA), suited for signal routing and polarity protection in compact consumer and industrial power management circuits.

For engineers reviewing the BAW56T-7-F datasheet, BAW56T-7-F pinout, BAW56T-7-F application, or BAW56T-7-F equivalent, key selection criteria include its dual-diode configuration with shared cathode, ultra-small SOT523 footprint, 833 °C/W thermal resistance, and guaranteed 4.0 ns trr performance under 10 mA test conditions.

Technical Context

The BAW56T-7-F integrates two independent silicon PN junction diodes sharing a single cathode terminal, enabling bidirectional clamping or dual-path signal switching in space-constrained layouts. Its construction uses alloy-42 leadframe with matte tin plating and green molding compound compliant with UL 94V-0 and RoHS 3.

Designed for general-purpose switching-not RF or high-voltage rectification-it operates across –55 °C to +150 °C with leakage current as low as 2.0 µA at 75 V and 25 °C, and exhibits 0.81 pF total capacitance at 0 V reverse bias and 1 MHz.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	85 V - supports input transient suppression up to automotive load-dump levels in low-power signal paths
I_F (per diode)	155 mA - sufficient for logic-level signal steering and LED bias control without external current limiting
t_rr	4.0 ns - enables clean edge transitions in 10–50 MHz digital signal routing and level-shifting interfaces
C_T	0.81 pF - minimizes capacitive loading on high-speed data lines such as I²C or UART bus segments
R_θJA	833 °C/W - requires minimal PCB copper area for thermal relief in ambient-temperature-limited handheld devices
V_F @ 1 mA	0.715 V - ensures reliable turn-on with weak drive sources like microcontroller GPIOs in battery-powered systems

Pinout & Package

Package: SOT523 - ultra-compact surface-mount plastic package (1.60 mm × 1.60 mm × 0.80 mm), moisture sensitivity level 1, weight ≈ 0.002 g.

Pin/Terminal	Circuit Role	Design Meaning
1 (Anode A)	First diode anode	Independent input path for discrete signal clamping or OR-ing function
2 (Cathode)	Common cathode	Shared return node-enables dual-diode operation with single ground or rail reference
3 (Anode B)	Second diode anode	Second independent input for redundant protection or dual-channel interface isolation

Key Features

Feature	Design Value
Dual common-cathode configuration	Reduces component count by 1 vs. two discrete SOT523 diodes in shared-rail applications
4.0 ns reverse recovery time	Prevents signal distortion in >10 MHz clock/data lines without added snubbing components
0.715 V forward voltage @ 1 mA	Enables direct connection to 1.8 V/3.3 V MCU I/O pins without series resistor for basic ESD clamping
Green, halogen-free, RoHS 3 compliant	Meets IPC-1752A material declaration requirements for export-controlled industrial and medical end equipment

Applications

USB Data Line Protection

Low-Voltage Logic Level Shifting

Use Scenario: Protecting D+ and D− lines against ESD and overvoltage transients in USB 2.0 peripheral ports.

IC Role / Device Role / Timing Role: Dual-clamp diode array providing bidirectional low-capacitance (0.81 pF) path to V_CC and GND.

Use Value: Maintains signal integrity up to 480 Mbps while meeting IEC 61000-4-2 Level 4 (±15 kV air) without degrading rise/fall times.

Use Scenario: Translating signals between 1.8 V FPGA I/O and 3.3 V sensor interface without active translators.

IC Role / Device Role / Timing Role: Passive level shifter using forward-biased diode drop to clamp high-side voltage swing.

Use Value: Achieves sub-ns propagation delay with no supply required-ideal for low-power always-on sensor hubs.

Power Rail OR-ing

Microcontroller GPIO Clamp

Use Scenario: Selecting between primary and backup 3.3 V supplies in battery-backed IoT nodes.

IC Role / Device Role / Timing Role: Dual-anode diode pair isolating supply domains while sharing cathode to load.

Use Value: Prevents backfeed with <200 mV conduction loss at 50 mA-lower than Schottky alternatives in same footprint.

Use Scenario: Safeguarding MCU reset or interrupt pins against accidental overvoltage during board bring-up.

IC Role / Device Role / Timing Role: Low-leakage (2.0 µA @ 75 V) clamping diode tied between pin and V_DD/GND.

Use Value: Adds <1 pF parasitic capacitance-no measurable impact on 10 MHz internal oscillator stability.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual fast-switching diode applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BAV99T-7-F	Identical SOT523 package, same 85 V V_RRM, but 3.5 ns t_rr (vs. 4.0 ns); VF slightly higher at 0.725 V @ 1 mA	Marginally faster switching-preferred in 50+ MHz clock distribution where sub-ns timing matters	Select when trr < 3.5 ns is required and leakage tolerance allows 100 µA @ 75 V, 150 °C
MMBD7000LT1G	SOT-23 package (larger), 100 V V_RRM, 4.0 ns t_rr, but 1.1 V V_F @ 10 mA-higher forward loss	Higher voltage rating suits 24 V industrial I/O; not drop-in due to 3-pin SOT-23 vs. 3-pin SOT523 pinout mismatch	Choose only if board redesign accommodates larger footprint and higher V_F is acceptable for supply rail clamping

Compared with BAV99T-7-F, BAW56T-7-F trades 0.5 ns speed for lower leakage at elevated temperature; versus MMBD7000LT1G, it offers 3× smaller footprint and 0.4 V lower V_F at low current-critical for battery runtime in wearables.

Availability

BAW56T-7-F is available at Aetrix Electronics and suitable for USB interface protection, low-voltage logic translation, and microcontroller I/O clamping requiring stable component supply across production lifecycles.

Supply support for BAW56T-7-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, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.

The BAW56T-7-F belongs to Diodes' general-purpose fast-switching diode product line, engineered for high-volume, space-constrained applications where reliability, small size, and consistent switching performance outweigh ultra-high-speed or high-power requirements.

FAQ

What is the maximum operating temperature for BAW56T-7-F?

The BAW56T-7-F is rated for junction and storage temperatures from –55 °C to +150 °C. Its thermal resistance (R_θJA = 833 °C/W) means it can sustain continuous 155 mA forward current only at ambient ≤ 25 °C unless additional PCB copper is used for heat spreading per Diodes' recommended pad layout.

Is BAW56T-7-F AEC-Q101 qualified?

No-BAW56T-7-F is not AEC-Q101 qualified. The BAV99TQ variant in the same family carries AEC-Q101 qualification, PPAP capability, and IATF16949 manufacturing certification. BAW56T-7-F is intended for commercial and industrial applications, not automotive safety-critical systems.

How does the common-cathode configuration affect circuit layout?

The shared cathode (Pin 2) simplifies routing in dual-path designs: both anodes connect independently to signal sources, while the cathode ties directly to a single reference rail (e.g., V_CC or GND). This eliminates need for two separate cathode traces, reducing PCB layer count in dense 2-layer layouts.

Can BAW56T-7-F replace BAS16T-7-F in existing designs?

No-BAS16T-7-F is a single-diode SOT523 device, whereas BAW56T-7-F contains two diodes in common-cathode configuration. Direct replacement would require circuit modification to accommodate the second anode and shared cathode; however, BAW56T-7-F can replace two parallel BAS16T-7-F units with net reduction in footprint and assembly cost.

BAW56T-7-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: SOT-523

Packaging:: Tape & Reel (TR)

Product Status:: Active

Diode Configuration:: 1 Pair Common Anode

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 85 V

Current - Average Rectified (Io) (per Diode):: 75mA (DC)

Voltage - Forward (Vf) (Max) @ If:: 1 V @ 50 mA

Speed:: Small Signal =< 200mA (Io), Any Speed

Reverse Recovery Time (trr):: 4 ns

Current - Reverse Leakage @ Vr:: 2 µA @ 75 V

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-523

BAW56T-7-F FAQ

1.How can I place an order for BAW56T-7-F through Aetrix?

Please submit a Request for Quotation (RFQ) for BAW56T-7-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 BAW56T-7-F reliable?

The price and inventory of BAW56T-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAW56T-7-F is usually 5 days.

3.What payment methods are accepted for BAW56T-7-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAW56T-7-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BAW56T-7-F?

BAW56T-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BAW56T-7-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 BAW56T-7-F?

For technical support, including BAW56T-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAW56T-7-F requirements.

6.How does Aetrix verify that BAW56T-7-F is sourced from the original manufacturer or authorized distributors?

All BAW56T-7-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 BAW56T-7-F meets industry standards.

7.What is the process for return or replacement of BAW56T-7-F?

All BAW56T-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BAW56T-7-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 BAW56T-7-F part is unused and in its original packaging.

Return procedure for BAW56T-7-F:

1.Submit a request within 90 days.

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

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