Diodes Incorporated BAV99-7
- Part No.:
- BAV99-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAV99-7.pdf
- Description:
- DIODE ARRAY GP 75V 300MA SOT23-3
- Quantity:
- Payment:

- Shipping:

Inventory:3,177
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Product details
Overview
BAV99-7 from Diodes Incorporated is a dual surface-mount switching diode in SOT23 package, featuring 75 V peak repetitive reverse voltage, 300 mA forward current, 4.0 ns reverse recovery time, and 2.0 pF junction capacitance per element-used for high-speed signal routing and polarity protection in USB data lines, ESD clamp networks, and logic-level translation circuits.
For engineers reviewing the BAV99-7 datasheet, BAV99-7 pinout, BAV99-7 application, or BAV99-7 equivalent, this page delivers verified electrical parameters, validated SOT23 terminal mapping, real-world use cases in interface protection and level shifting, and confirmed RoHS-compliant green packaging with IATF 16949 manufacturing traceability.
Technical Context
The BAV99-7 integrates two independent silicon switching diodes in a single SOT23-3 package with common-cathode configuration. Its 4.0 ns trr and low 2.0 pF CT enable operation up to 100 MHz in RF detector and high-speed digital clamping applications.
Each diode exhibits VF ≤ 0.855 V at IF = 10 mA and IR ≤ 2.5 µA at VR = 75 V, supporting low-loss signal steering in battery-powered sensor interfaces and microcontroller I/O protection circuits where leakage and forward drop directly impact power budget and noise margin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRM | 100 V non-repetitive peak reverse voltage - supports transient overvoltage tolerance during ESD events without breakdown. |
| VRRM | 75 V peak repetitive reverse voltage - defines maximum continuous blocking capability in DC bias or AC signal paths. |
| IFM | 300 mA forward current - enables robust current handling in logic-level shunt clamps and active pull-up circuits. |
| trr | 4.0 ns reverse recovery time - ensures minimal switching distortion in >25 MHz digital signal routing and pulse shaping. |
| CT | 2.0 pF total capacitance at VR = 0 V, f = 1 MHz - maintains signal integrity in USB 2.0 (480 Mbps) and CAN FD data lines. |
| PD | 350 mW power dissipation - allows operation at full current under ambient temperatures up to +85°C on standard PCB layouts. |
| RθJA | 357 °C/W thermal resistance - requires no heatsinking for typical 10–50 mA duty-cycle applications in portable electronics. |
Pinout & Package
Package: SOT23-3, surface-mount plastic case with matte tin-plated alloy 42 leadframe, UL 94V-0 rated molding compound, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode of Diode 1 | Input node for first diode path; connects to signal source in series-switching or cathode-clamp configurations. |
| Pin 2 | Cathode (Common) | Shared cathode node for both diodes; ties to reference rail (e.g., VCC or ground) in bidirectional clamping networks. |
| Pin 3 | Anode of Diode 2 | Input node for second diode path; enables dual-channel protection or differential signal routing in RS-485 receivers. |
Key Features
| Feature | Design Value |
|---|---|
| Fully RoHS-compliant, halogen- and antimony-free "Green" compound | Meets EU Directive 2015/863/EU with <900 ppm Br, <900 ppm Cl, <1000 ppm Sb - eliminates toxic flame retardants in consumer and medical PCBs. |
| Fast 4.0 ns reverse recovery time | Enables clean edge transitions in 50–100 MHz clock distribution and high-speed serial data line clamping without ringing. |
| Low 2.0 pF junction capacitance | Minimizes signal attenuation and phase shift in USB 2.0, HDMI DDC, and I²C bus termination networks. |
| SOT23-3 surface-mount package | Supports automated pick-and-place assembly at >15,000 units/hour and occupies <1.5 mm² board area per device. |
Applications
| USB 2.0 Data Line Protection | Microcontroller I/O Clamp Network |
|---|---|
|
Use Scenario: Protecting D+ and D− lines against ±8 kV contact ESD per IEC 61000-4-2 in portable peripherals. IC Role / Device Role / Timing Role: Dual-anode, common-cathode diode array providing low-capacitance bidirectional clamping to VBUS and GND rails. Use Value: 2.0 pF CT prevents signal degradation at 480 Mbps; 75 V VRRM withstands USB voltage transients without conduction loss. |
Use Scenario: Safeguarding 3.3 V GPIO pins of ARM Cortex-M microcontrollers against overvoltage and reverse polarity. IC Role / Device Role / Timing Role: Low-leakage (≤2.5 µA @ 75 V) shunt clamp limiting pin voltage to VF + rail within 10 ns. Use Value: 0.855 V VF at 10 mA ensures minimal voltage overshoot; 300 mA IFM handles surge currents from relay coil flyback. |
| RS-485 Receiver Input Protection | Logic-Level Translation Interface |
|
Use Scenario: Adding fail-safe input clamping to isolated RS-485 transceivers operating in industrial noise environments. IC Role / Device Role / Timing Role: Common-cathode dual diode routing differential inputs to ±5 V bias rails while blocking common-mode surges. Use Value: 4.0 ns trr avoids data corruption during 25 Mbps signaling; 357 °C/W RθJA sustains operation at 85°C ambient. |
Use Scenario: Translating 1.8 V LVTTL signals to 3.3 V CMOS levels in FPGA configuration interfaces. IC Role / Device Role / Timing Role: Anode-to-anode connection enabling passive level shifting with controlled forward drop and minimal loading. Use Value: VF ≤ 0.715 V at 1 mA ensures accurate low-voltage threshold detection; 2.0 pF CT preserves rise/fall times <1 ns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBD7000LT1G | Higher VF (0.95 V @ 10 mA), higher CT (3.5 pF), same SOT23-3 package and VRRM (70 V). | Less suitable for >50 MHz signal paths due to higher capacitance; acceptable for general-purpose clamping below 10 Mbps. | Select when cost priority outweighs speed/capacitance requirements and legacy design reuse is needed. |
| 1N4148W-7-F | Single diode in SOD-123, 100 V VRRM, 4 ns trr, but no dual configuration or common-cathode topology. | Requires two devices and extra layout area to replicate BAV99-7 functionality; lacks integrated dual-element symmetry. | Choose only if dual-diode integration is unnecessary and discrete placement flexibility is required. |
Compared with MMBD7000LT1G and 1N4148W-7-F, the BAV99-7 delivers superior high-frequency performance via lower capacitance and matched dual-element layout, enabling compact, single-component solutions for differential and bidirectional protection where timing fidelity and board space are critical.
Availability
BAV99-7 is available at Aetrix Electronics and suitable for USB interface protection, microcontroller I/O safeguarding, and RS-485 receiver front-end designs requiring stable component supply across production lifecycles.
Supply support for BAV99-7 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 centers across Asia and manufacturing in IATF 16949-certified facilities.
The BAV99 series belongs to Diodes' high-speed switching diode product line, engineered specifically for compact, low-capacitance signal routing and ESD protection in portable, automotive, and industrial interface circuits.
FAQ
What is the pin configuration of BAV99-7?
The BAV99-7 uses a SOT23-3 package with Pin 1 as Anode 1, Pin 2 as the common cathode, and Pin 3 as Anode 2. This common-cathode dual-diode arrangement enables bidirectional clamping and differential signal routing without external interconnects.
Is BAV99-7 suitable for automotive applications?
The BAV99-7 itself is not AEC-Q101 qualified; however, its automotive-grade variant BAV99Q-7-F meets AEC-Q101, is PPAP capable, and is manufactured in IATF 16949 certified facilities-making it appropriate for automotive infotainment and body control modules.
How does BAV99-7 perform at elevated temperature?
At TJ = +150°C, BAV99-7 maintains IR ≤ 50 µA at VR = 75 V and VF ≤ 1.25 V at IF = 150 mA. Its -55°C to +150°C operating range and 357 °C/W RθJA allow reliable operation in sealed enclosures and under-hood environments with proper PCB copper area.
Can BAV99-7 replace 1N4148 in high-speed circuits?
Yes, but only in dual-diode configurations: BAV99-7 provides two matched 1N4148-like diodes in one package with identical 4 ns trr and tighter parameter distribution. For single-diode use, 1N4148W-7-F remains valid-but BAV99-7 saves board space and improves channel matching in differential applications.
BAV99-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Diode Configuration:
- 1 Pair Series Connection
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 75 V
- Current - Average Rectified (Io) (per Diode):
- 300mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 2.5 µA @ 75 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BAV99-7 FAQ
1.How can I place an order for BAV99-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV99-7 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 BAV99-7 reliable?
The price and inventory of BAV99-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV99-7 is usually 5 days.
3.What payment methods are accepted for BAV99-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV99-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV99-7?
BAV99-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV99-7 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 BAV99-7?
For technical support, including BAV99-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV99-7 requirements.
6.How does Aetrix verify that BAV99-7 is sourced from the original manufacturer or authorized distributors?
All BAV99-7 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 BAV99-7 meets industry standards.
7.What is the process for return or replacement of BAV99-7?
All BAV99-7 units undergo pre-shipment inspection (PSI). If there is an issue with BAV99-7, 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 BAV99-7 part is unused and in its original packaging.
Return procedure for BAV99-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAV99-7 Tags

-
BAV99-7-F
Diodes Incorporated

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BAT54C-7-F
Diodes Incorporated

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BAV99,215
Nexperia USA Inc.

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onsemi

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BAT54S-7-F
Diodes Incorporated

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BAV99LT1G
onsemi

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BAT54S,215
Nexperia USA Inc.

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MMBD1503-TP
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BAV99WT1G
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