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Infineon Technologies BAV99WE6433BTMA1
- Part No.:
- BAV99WE6433BTMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Diode Arrays
- Package:
- SC-70, SOT-323
- Datasheet:
-
BAV99WE6433BTMA1.pdf
- Description:
- DIODE ARRAY GP 80V 200MA SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:7,751
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Product details
Overview
BAV99WE6433BTMA1 from Infineon Technologies is a dual-series silicon switching diode in SC74 (SOT-363) package, rated for 80 V reverse voltage, 200 mA forward current, and 4 ns reverse recovery time, optimized for high-speed signal routing and ESD protection in automotive infotainment data lines.
For engineers reviewing the BAV99WE6433BTMA1 datasheet, BAV99WE6433BTMA1 pinout, BAV99WE6433BTMA1 application, or BAV99WE6433BTMA1 equivalent, key selection criteria include reverse recovery time under 5 ns, dual-series configuration for bidirectional clamping, thermal resistance ≤150 K/W, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This dual-diode array integrates two independent switching diodes in series configuration within a single SC74 package, enabling bidirectional transient voltage suppression and fast signal path isolation. Its 1.5 pF capacitance at 0 V and 4 ns trr support >100 MHz digital interface protection without signal integrity degradation.
The device operates across –65 °C to +150 °C with junction temperature-limited power dissipation of 250 mW (TS ≤ 113 °C), and achieves thermal resistance of ≤150 K/W (junction-to-soldering point), making it suitable for thermally constrained PCB layouts in automotive control modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 80 V - Supports 24 V automotive supply rail transients with 3× safety margin |
| Reverse Recovery Time (trr) | 4 ns - Enables reliable operation in USB 2.0 and CAN FD signal paths up to 12 Mbps |
| Diode Capacitance (CT) | 1.5 pF @ 0 V, 1 MHz - Minimizes signal loading on high-speed differential pairs |
| Forward Voltage (VF) | 1.25 V @ 150 mA - Limits conduction loss in low-duty-cycle clamp circuits |
| Junction Temperature (Tj) | 150 °C - Meets under-hood thermal requirements per AEC-Q101 stress testing |
| Thermal Resistance (RthJS) | ≤150 K/W - Allows direct soldering to 2-layer PCBs without thermal vias in space-constrained modules |
Pinout & Package
BAV99WE6433BTMA1 uses the SC74 (SOT-363) surface-mount package: 6-pin, 2.5 mm × 1.9 mm footprint, 1.1 mm max height, with pin 1 marked by laser dot or notch orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode of Diode 1 | Input node for first diode in series string; connects to protected signal line |
| 2 | Cathode of Diode 1 / Anode of Diode 2 | Internal series connection node; not externally accessible |
| 3 | Cathode of Diode 2 | Output node tied to ground or clamping rail; defines common cathode reference |
| 4 | No Connect | Internally unconnected; must remain floating or grounded per layout guidelines |
| 5 | No Connect | Internally unconnected; must remain floating or grounded per layout guidelines |
| 6 | No Connect | Internally unconnected; must remain floating or grounded per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| Dual-series diode configuration | Enables symmetric bidirectional clamping without external bias components |
| 4 ns reverse recovery time | Supports clean edge transitions in LIN bus and SENT sensor interfaces |
| 1.5 pF junction capacitance | Preserves signal rise/fall times in 100 Mbps Ethernet PHY front-end protection |
| Pb-free RoHS-compliant packaging | Meets EU Directive 2011/65/EU and automotive ELV requirements |
Applications
| Automotive LIN Bus Protection | USB 2.0 Data Line Clamping |
|---|---|
Use Scenario: Protecting LIN transceiver I/O pins against load dump and ESD events in door module ECUs. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed between transceiver and connector. Use Value: 4 ns trr prevents pulse distortion during 19.2 kbps LIN frame transmission; 80 V VR withstands ISO 7637-2 Pulse 1a. | Use Scenario: Clamping D+ and D− lines in automotive infotainment head units with USB host functionality. IC Role / Device Role / Timing Role: High-speed ESD protection diode array integrated into USB receptacle footprint. Use Value: 1.5 pF CT avoids USB 2.0 eye diagram closure; dual-series topology enables ±8 kV HBM ESD robustness. |
| CAN FD Signal Path Isolation | Sent Sensor Interface Protection |
Use Scenario: Guarding CAN FD physical layer against coupled transients in ADAS domain controllers. IC Role / Device Role / Timing Role: Series-connected switching diode pair inserted inline with CANH/CANL traces. Use Value: 80 V VR supports 12 V system with 2× margin over CAN FD peak differential swing (±2.5 V); 4 ns trr preserves 5 Mbps bit timing. | Use Scenario: Protecting SENT-compatible pressure sensors in engine management systems. IC Role / Device Role / Timing Role: Fast-switching clamp on SENT output line before connector interface. Use Value: 200 mA IF rating handles SENT short-circuit fault currents; 150 °C Tj ensures operation near exhaust manifolds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-series switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAV99W,115 (Nexperia) | Same SC74 package, identical 4 ns trr and 1.5 pF CT, but rated for 70 V VR instead of 80 V | Limited to 12 V systems only; unsuitable for 24 V commercial vehicle CAN networks | Select when cost sensitivity outweighs 10 V VR margin and AEC-Q101 requalification is unnecessary |
| ESD9X5.0ST5G (ON Semiconductor) | Lower 5.0 V breakdown, 0.5 pF CT, but single-diode configuration requiring external series resistor | Designed for I/O-level ESD only; lacks series-diode architecture for bidirectional clamping | Prefer for ultra-low-capacitance USB 3.0 applications where trr >10 ns is acceptable |
Compared with BAV99WE6433BTMA1, the Nexperia BAV99W offers identical speed and footprint but sacrifices 10 V reverse margin and AEC-Q101 validation, while the ON Semiconductor ESD9X5.0ST5G trades clamping symmetry and automotive qualification for lower capacitance-making BAV99WE6433BTMA1 optimal for bidirectional, high-voltage, thermally demanding automotive signal protection.
Availability
BAV99WE6433BTMA1 is available at Aetrix Electronics and suitable for automotive LIN bus protection, USB 2.0 data line clamping, and CAN FD signal path isolation requiring stable component supply across multi-year production cycles.
Supply support for BAV99WE6433BTMA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification aligned to IATF 16949.
BAV99WE6433BTMA1 belongs to Infineon's BAV99 family of high-speed switching diodes, engineered specifically for AEC-Q101-compliant transient suppression in automotive signal interfaces operating up to 150 °C junction temperature.
FAQ
What is the pin 1 identification method for BAV99WE6433BTMA1?
Pin 1 is identified by a laser-marked dot adjacent to the lead on the top surface of the SC74 package, consistent with Infineon's standard marking layout for SOT-363 devices. The dot is positioned near the corner of the package outline, and orientation remains consistent across reel packaging despite absence of defined pin 1 direction in symmetric tape configurations.
Does BAV99WE6433BTMA1 support bidirectional ESD protection without external biasing?
Yes - its dual-series diode configuration provides inherent bidirectional clamping between pins 1 and 3, enabling ±8 kV HBM ESD protection on signal lines referenced to ground without external resistors or bias networks. This eliminates the need for discrete Zener-based solutions in space-constrained automotive PCBs.
How does thermal resistance RthJS = ≤150 K/W impact PCB layout design?
This value means that for every 250 mW of power dissipated, the junction-to-soldering-point temperature rise is ≤37.5 °C - allowing safe operation on standard FR-4 boards with minimal copper area. Layouts require no thermal vias or dedicated ground planes, simplifying routing in dense ECU modules where board real estate is constrained.
Is BAV99WE6433BTMA1 compatible with lead-free reflow profiles?
Yes - the device is qualified for Pb-free assembly using standard IPC/JEDEC J-STD-020D reflow profiles, with peak temperatures up to 260 °C for 30 seconds. Its MSL level is 1 (unlimited floor life), and moisture sensitivity is not applicable due to fully molded epoxy construction and RoHS-compliant terminations.
BAV99WE6433BTMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Diode Configuration:
- 1 Pair Series Connection
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 80 V
- Current - Average Rectified (Io) (per Diode):
- 200mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 150 nA @ 70 V
- Operating Temperature - Junction:
- 150°C (Max)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT323
BAV99WE6433BTMA1 FAQ
1.How can I place an order for BAV99WE6433BTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV99WE6433BTMA1 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 BAV99WE6433BTMA1 reliable?
The price and inventory of BAV99WE6433BTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV99WE6433BTMA1 is usually 5 days.
3.What payment methods are accepted for BAV99WE6433BTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV99WE6433BTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV99WE6433BTMA1?
BAV99WE6433BTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV99WE6433BTMA1 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 BAV99WE6433BTMA1?
For technical support, including BAV99WE6433BTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV99WE6433BTMA1 requirements.
6.How does Aetrix verify that BAV99WE6433BTMA1 is sourced from the original manufacturer or authorized distributors?
All BAV99WE6433BTMA1 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 BAV99WE6433BTMA1 meets industry standards.
7.What is the process for return or replacement of BAV99WE6433BTMA1?
All BAV99WE6433BTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BAV99WE6433BTMA1, 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 BAV99WE6433BTMA1 part is unused and in its original packaging.
Return procedure for BAV99WE6433BTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAV99WE6433BTMA1 Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
-
BAT54SLT1G
onsemi
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BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
-
BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
-
MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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