Infineon Technologies BAV70WH6433XTMA1
- Part No.:
- BAV70WH6433XTMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Diode Arrays
- Package:
- SC-70, SOT-323
- Datasheet:
-
BAV70WH6433XTMA1.pdf
- Description:
- DIODE ARRAY GP 80V 200MA SOT323
- Quantity:
- Payment:

- Shipping:

Inventory:5,114
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Product details
Overview
BAV70WH6433XTMA1 from Infineon Technologies is a silicon switching diode in common-cathode dual configuration housed 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 in automotive body control modules and USB data line protection.
For engineers reviewing the BAV70WH6433XTMA1 datasheet, BAV70WH6433XTMA1 pinout, BAV70WH6433XTMA1 application, or BAV70WH6433XTMA1 equivalent, key selection criteria include reverse recovery time under 5 ns, dual-diode thermal resistance ≤260 K/W, AEC-Q101 qualification, and SC74 footprint compatibility with space-constrained PCB layouts.
Technical Context
This dual common-cathode diode integrates two independent fast-switching junctions sharing a single cathode terminal, enabling bidirectional clamping or series switching in compact signal paths. Its 1.5 pF capacitance at 0 V and 4 ns trr support >100 MHz digital signal integrity in ESD protection and level-shifting circuits.
The device operates across −65 °C to +150 °C junction temperature range with 250 mW total power dissipation and thermal resistance from junction to solder point of ≤260 K/W - critical for sustained performance in thermally dense automotive ECUs and industrial I/O interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 80 V - supports 24 V automotive supply rails with 3× safety margin against transients |
| Reverse Recovery Time (trr) | 4 ns - enables clean switching in 100+ MHz clock/data lines without signal distortion |
| Forward Current (IF) | 200 mA - sufficient for driving LED indicators or biasing small-signal logic inputs |
| Diode Capacitance (CT) | 1.5 pF @ 0 V, 1 MHz - minimizes loading on high-speed USB 2.0 or CAN FD signal pairs |
| Junction Temperature (Tj) | 150 °C - meets AEC-Q101 stress requirements for under-hood automotive electronics |
| Thermal Resistance (RthJS) | ≤260 K/W - allows reliable operation at 125 °C ambient when mounted on 2-layer FR4 with standard pad layout |
Pinout & Package
BAV70WH6433XTMA1 is packaged in SC74 (SOT-363), a 6-pin surface-mount package with 0.65 mm pitch, symmetric pin 1 marking, and exposed thermal pad not present. Pin assignment follows JEDEC MO-178 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode 1 | Input path for first diode; connects to signal source requiring clamping or steering |
| 2 | Cathode (common) | Shared cathode node for both diodes; routed to reference rail or ground plane |
| 3 | Anode 2 | Input path for second diode; enables dual-channel protection or logic OR function |
| 4 | No Connect | Internally unconnected; must be left floating or tied to cathode per layout best practice |
| 5 | No Connect | Internally unconnected; no electrical function; avoid routing traces to this terminal |
| 6 | No Connect | Internally unconnected; mechanical alignment only; no thermal or electrical role |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, lighting, and body electronics |
| Common-cathode dual configuration | Reduces component count and board area vs. two discrete SOT-23 diodes in shared-rail designs |
| 4 ns reverse recovery time | Enables use in >100 MHz digital interfaces without introducing timing skew or ringing |
| Pb-free, RoHS-compliant | Meets EU Directive 2011/65/EU and automotive ELV requirements for hazardous substance restriction |
| 1.5 pF junction capacitance | Limits capacitive loading on high-speed differential pairs such as USB D+/D− or RS-485 A/B |
Applications
| Automotive Body Control Module | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Clamping transient voltages on LIN bus lines during load dump events in door module ECUs. IC Role / Device Role / Timing Role: Dual-diode transient suppressor placed between LIN transceiver pins and 12 V supply rail. Use Value: Prevents latch-up in transceivers by limiting voltage excursions to <85 V while maintaining sub-5 ns response. | Use Scenario: ESD protection for USB 2.0 D+ and D− lines in infotainment head units. IC Role / Device Role / Timing Role: Bidirectional clamping diode pair shunting ±8 kV HBM ESD pulses to ground before IC input stages. Use Value: Preserves signal integrity with 1.5 pF capacitance and avoids data corruption via 4 ns recovery. |
| Industrial Sensor Interface | RS-485 Half-Duplex Transceiver Protection |
Use Scenario: Overvoltage protection for analog sensor outputs (e.g., 4–20 mA loop drivers) exposed to field wiring surges. IC Role / Device Role / Timing Role: Fast-switching clamp limiting induced transients to within ADC input range. Use Value: Enables direct connection to 16-bit SAR ADCs without additional RC filtering due to low CT and VF stability. | Use Scenario: Input protection for RS-485 transceivers in factory automation gateways subjected to cable discharge events. IC Role / Device Role / Timing Role: Common-cathode dual diode connected between A/B lines and local ground to absorb common-mode surges. Use Value: Maintains bus timing margins with 4 ns trr and prevents false edge detection during surge recovery. |
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 |
|---|---|---|---|
| BAV99W,115 | Same SC74 package, 100 V VR, 3 ns trr, 2 pF CT - slightly faster but higher capacitance | Better for >200 MHz RF coupling; less optimal for USB 2.0 due to increased signal loading | Select when reverse voltage margin >100 V is required and layout allows 0.5 pF extra capacitance |
| MMBD7000LT1G | SOT-23-3 package, single diode per package, 70 V VR, 4 ns trr, 2 pF CT - requires two devices for dual function | Higher assembly cost and larger footprint; suitable where dual-diode integration is not mandatory | Choose when existing SOT-23 footprint reuse is prioritized over board area savings |
Compared with BAV99W and MMBD7000LT1G, BAV70WH6433XTMA1 delivers optimal balance of 80 V rating, 4 ns speed, 1.5 pF capacitance, and integrated dual topology - making it preferred for space-constrained automotive and USB interface protection where thermal resistance ≤260 K/W is critical.
Availability
BAV70WH6433XTMA1 is available at Aetrix Electronics and suitable for automotive body control modules, USB 2.0 interface protection, industrial sensor front-ends, and RS-485 transceiver safeguarding requiring stable component supply and AEC-Q101 compliance.
Supply support for BAV70WH6433XTMA1 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 ISO/TS 16949.
BAV70WH6433XTMA1 belongs to Infineon's BAV70 family of high-speed switching diodes designed specifically for automotive-grade signal integrity and transient suppression in harsh-environment electronic control units.
FAQ
What is the maximum continuous forward current rating for BAV70WH6433XTMA1?
The maximum continuous forward current is 200 mA at TA = 25°C with TS ≤ 85°C. Derating applies above 25°C ambient: at 85°C ambient, usable IF drops to approximately 120 mA based on thermal resistance of ≤260 K/W and 250 mW power limit. This rating assumes standard PCB copper area per JEDEC JESD51-3 guidelines.
Is BAV70WH6433XTMA1 pin-compatible with BAV99W?
Yes - both use SC74 (SOT-363) package with identical pin 1 location and terminal mapping: Pin 1 = Anode 1, Pin 2 = Common Cathode, Pin 3 = Anode 2. Pins 4–6 are NC on both devices. Mechanical and solder-reflow profiles are interchangeable, though electrical differences (VR, CT, trr) require circuit validation.
Does BAV70WH6433XTMA1 support bidirectional ESD protection?
Yes - its common-cathode dual configuration allows bidirectional clamping when anodes are connected to protected lines and cathode to a stable reference (e.g., TVS-biased rail or local ground). It meets IEC 61000-4-2 Level 4 (±8 kV contact) when used with appropriate series impedance and layout.
What is the thermal resistance from junction to solder point (RthJS) for BAV70WH6433XTMA1?
RthJS is ≤260 K/W, measured from die junction to solder point on the PCB pad. This value assumes standard reflow profile and 10 mm² copper pour per pin on 2-layer FR4. It enables operation up to 125°C ambient in automotive modules when combined with proper board-level thermal design.
BAV70WH6433XTMA1 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 Common Cathode
- 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
BAV70WH6433XTMA1 FAQ
1.How can I place an order for BAV70WH6433XTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAV70WH6433XTMA1 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 BAV70WH6433XTMA1 reliable?
The price and inventory of BAV70WH6433XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV70WH6433XTMA1 is usually 5 days.
3.What payment methods are accepted for BAV70WH6433XTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV70WH6433XTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAV70WH6433XTMA1?
BAV70WH6433XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAV70WH6433XTMA1 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 BAV70WH6433XTMA1?
For technical support, including BAV70WH6433XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV70WH6433XTMA1 requirements.
6.How does Aetrix verify that BAV70WH6433XTMA1 is sourced from the original manufacturer or authorized distributors?
All BAV70WH6433XTMA1 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 BAV70WH6433XTMA1 meets industry standards.
7.What is the process for return or replacement of BAV70WH6433XTMA1?
All BAV70WH6433XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BAV70WH6433XTMA1, 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 BAV70WH6433XTMA1 part is unused and in its original packaging.
Return procedure for BAV70WH6433XTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAV70WH6433XTMA1 Tags

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BAT54C-7-F
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