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Nexperia USA Inc. BAV99W-QX
- Part No.:
- BAV99W-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Diode Arrays
- Package:
- SC-70, SOT-323
- Datasheet:
-
BAV99W-QX.pdf
- Description:
- DIODE ARRAY GP 100V 150MA SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:46,990
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Product details
Overview
BAV99W-Q from Nexperia is a high-speed switching double diode in SOT323 (SC-70) package, configured as a common-cathode/anode dual diode pair. It delivers trr ≤ 4 ns reverse recovery time, Cd ≤ 1.5 pF capacitance, and VR = 100 V, enabling fast signal routing and polarity protection in automotive power management circuits.
For engineers reviewing the BAV99W-Q datasheet, BAV99W-Q pinout, BAV99W-Q application, or BAV99W-Q equivalent, key selection criteria include verified AEC-Q101 qualification, dual-diode topology with shared terminal (Pin 3), low-leakage performance at 80 V reverse bias, and thermal resistance Rth(j-a) = 625 K/W on FR4 PCB.
Technical Context
This dual diode integrates two independent silicon junctions sharing one terminal (Pin 3 = K1/A2), supporting bidirectional clamping or independent switching paths. Its trr ≤ 4 ns is measured under IF = 10 mA / IR = 10 mA / RL = 100 Ω conditions, and Cd ≤ 1.5 pF is specified at VR = 0 V, f = 1 MHz.
The device operates across −65 °C to +150 °C ambient range, with Ptot = 200 mW at Tamb ≤ 25 °C and Rth(j-sp) = 300 K/W to solder point-critical for thermally constrained automotive PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse voltage (VR) | 100 V - supports 48 V automotive bus transients and 24 V system clamping without breakdown |
| Reverse recovery time (trr) | ≤ 4 ns - enables >100 MHz switching in RF detector or high-frequency logic clamp circuits |
| Diode capacitance (Cd) | ≤ 1.5 pF - minimizes signal loading in 50 Ω RF paths and high-speed data line protection |
| Forward voltage (VF) | 855 mV @ IF = 10 mA - ensures low conduction loss in low-power bias and level-shift applications |
| Reverse current (IR) | ≤ 0.5 µA @ VR = 80 V, 25 °C - maintains signal integrity in high-impedance sensing nodes |
| Thermal resistance (Rth j-a) | 625 K/W - defines maximum power derating on standard FR4 PCB with single-sided copper |
Pinout & Package
Package: SOT323 (SC-70), 3-lead surface-mount plastic package, 2.0 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode of Diode 1 (A1) | Input node for first diode path; connects to signal source in series-switching configuration |
| 2 | Cathode of Diode 2 (K2) | Output node for second diode path; used for clamping or reverse-polarity return path |
| 3 | Cathode of Diode 1 / Anode of Diode 2 (K1, A2) | Shared terminal enabling compact dual-path routing-reduces PCB trace count in space-constrained modules |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD22-A114 |
| Ultra-low trr | ≤ 4 ns enables clean edge transitions in 100+ MHz clock/data line protection without ringing |
| Low Cd | ≤ 1.5 pF avoids signal distortion in USB 2.0, CAN FD, and LIN bus interface protection |
| Compact SOT323 | 2.0 mm × 1.25 mm footprint saves >60% board area vs. SOT23 while maintaining reflow compatibility |
Applications
| Automotive Body Control Module (BCM) | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers from load-dump transients and ESD events in door module PCBs. IC Role / Device Role / Timing Role: Dual-diode clamping network absorbing ±25 kV HBM ESD and 100 V load-dump spikes. Use Value: Prevents transceiver latch-up without adding series resistance that degrades 19.2 kbps signal rise time. | Use Scenario: Bidirectional ESD suppression on D+ and D− lines between USB connector and PHY IC. IC Role / Device Role / Timing Role: Low-capacitance dual diode shunting transients to ground while preserving 480 Mbps eye diagram integrity. Use Value: Maintains <1.5 pF total line capacitance-within USB 2.0 spec limit-enabling full-speed compliance without retiming. |
| Industrial Sensor Signal Conditioning | DC-DC Converter Feedback Path Clamp |
Use Scenario: Isolating analog sensor outputs (e.g., RTD bridge) from MCU ADC inputs during overvoltage fault conditions. IC Role / Device Role / Timing Role: High-impedance forward-biased clamp limiting input to VF ≈ 0.85 V, preventing ADC saturation. Use Value: Enables sub-µA leakage (<0.5 µA) to preserve 16-bit sensor resolution without calibration drift. | Use Scenario: Protecting optocoupler feedback pins in isolated 48 V → 5 V flyback converters against output overvoltage. IC Role / Device Role / Timing Role: Fast-recovery dual diode clamping error amplifier reference to safe rail during transient overshoot. Use Value: 4 ns trr ensures clamp activation within first switching cycle-prevents secondary-side overvoltage before controller responds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAV99W | No AEC-Q101 qualification; identical electrical specs and pinout | Not approved for automotive production; suitable for industrial/commercial prototypes | Select when automotive qualification is not required and cost sensitivity is higher |
| MMBD7000LT1G | trr = 6 ns (vs. 4 ns); Cd = 2.0 pF (vs. 1.5 pF); same SOT-23-3 package | Higher capacitance limits use in >480 Mbps interfaces; acceptable for 10/100 Mbps Ethernet PHY protection | Choose only if SOT-23 footprint is mandatory and 2 ns slower recovery is tolerable |
Compared with BAV99W-Q, BAV99W lacks automotive qualification but matches all electrical parameters, while MMBD7000LT1G trades speed and capacitance for broader distributor availability-making BAV99W-Q optimal for AEC-compliant designs demanding minimal trr and Cd.
Availability
BAV99W-Q is available at Aetrix Electronics and suitable for automotive body control modules, USB 2.0 interface protection, industrial sensor front-ends, and isolated DC-DC converter feedback clamping requiring stable component supply and AEC-Q101 assurance.
Supply support for BAV99W-Q 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
Nexperia is a global semiconductor expert focused on essential efficiency technologies, delivering high-performance discrete, logic, and MOSFET devices with emphasis on automotive and industrial reliability.
The BAV99W-Q belongs to Nexperia's AEC-Q101-qualified high-speed diode product line, engineered specifically for robust transient suppression and signal integrity preservation in harsh automotive environments.
FAQ
What is the maximum continuous forward current per diode for BAV99W-Q?
The maximum continuous forward current per diode is 150 mA at Tamb ≤ 25 °C, derating linearly to zero at 150 °C junction temperature. This rating assumes single-diode operation on an FR4 PCB with standard footprint and single-sided copper, as defined in the thermal characteristics section of the datasheet.
Can BAV99W-Q be used in place of a single discrete diode?
Yes-either diode path (A1–K1 or A2–K2) can be used independently by leaving the unused anode or cathode unconnected. Pin 3 serves as K1/A2, so using Diode 1 requires connecting Pin 1 (A1) and Pin 3 (K1); using Diode 2 requires Pin 3 (A2) and Pin 2 (K2).
Is the marking code 'A7%' standardized across all manufacturing lots?
Yes-the marking code 'A7%' is consistent across all BAV99W-Q units, where '%' is a placeholder for the manufacturing site code (e.g., 'A7A' for one facility, 'A7B' for another). This coding aligns with Nexperia's traceability requirements and appears on the top surface of the SOT323 package.
Does BAV99W-Q support wave soldering?
Yes-Nexperia provides a dedicated wave soldering footprint (Fig. 9) with 3.65 mm × 2.1 mm solder land dimensions and preferred transport direction guidance. The device is qualified for both reflow and wave processes, with peak temperature limits defined in the JEDEC J-STD-020 standard for SOT323 packages.
BAV99W-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Series Connection
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io) (per Diode):
- 150mA (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:
- 500 nA @ 80 V
- Operating Temperature - Junction:
- 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
BAV99W-QX FAQ
1.How can I place an order for BAV99W-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV99W-QX 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 BAV99W-QX reliable?
The price and inventory of BAV99W-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV99W-QX is usually 5 days.
3.What payment methods are accepted for BAV99W-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV99W-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV99W-QX?
BAV99W-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV99W-QX 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 BAV99W-QX?
For technical support, including BAV99W-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV99W-QX requirements.
6.How does Aetrix verify that BAV99W-QX is sourced from the original manufacturer or authorized distributors?
All BAV99W-QX 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 BAV99W-QX meets industry standards.
7.What is the process for return or replacement of BAV99W-QX?
All BAV99W-QX units undergo pre-shipment inspection (PSI). If there is an issue with BAV99W-QX, 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 BAV99W-QX part is unused and in its original packaging.
Return procedure for BAV99W-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAV99W-QX Tags
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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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BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
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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BAS40-04LT1G
onsemi
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MMBD1503-TP
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BAV99WT1G
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