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Infineon Technologies BAV 99 B5003

Part No.:
BAV 99 B5003
Manufacturer:
Infineon Technologies
Category:
Diode Arrays
Package:
TO-236-3, SC-59, SOT-23-3
Datasheet:
AetrixBAV 99 B5003.pdf
Description:
DIODE ARRAY GP 80V 200MA PGSOT23
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:4,426

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Product details

Overview

BAV99 B5003 from Nexperia is a silicon dual-series switching diode in SC74 (SOT-363) package, rated for 80 V reverse voltage, 200 mA forward current, and 4 ns reverse recovery time-designed for high-speed signal routing and ESD protection in USB data lines, HDMI interfaces, and automotive infotainment I/O buffers.

For engineers reviewing the BAV99 B5003 datasheet, BAV99 B5003 pinout, BAV99 B5003 application, or BAV99 B5003 equivalent, this device supports dual-channel clamping with matched characteristics, low capacitance (1.5 pF), AEC-Q101 qualification, and RoHS-compliant lead-free packaging-critical for automotive-grade signal integrity and board-level surge resilience.

Technical Context

The BAV99 B5003 integrates two identical high-speed switching diodes in series configuration within a single SC74 package, enabling bidirectional clamping without external biasing. Its 1.5 pF junction capacitance at 0 V and 4 ns trr support >100 MHz digital signal paths while maintaining low forward voltage drop (1.25 V @ 150 mA).

Thermal design is enabled by RthJS ≤ 150 K/W (BAV99U variant), and its AEC-Q101 qualification confirms operation across –65 °C to +150 °C junction temperature range-making it suitable for under-hood automotive modules and industrial sensor front-ends requiring robust transient immunity.

Key Specifications

ParameterValue and Actual Design Meaning
Reverse Voltage (VR)80 V - supports clamping of transients up to automotive load-dump levels without breakdown
Reverse Recovery Time (trr)4 ns - enables clean switching in USB 2.0 (480 Mbps) and CAN FD signal paths
Junction Capacitance (CT)1.5 pF @ 0 V - minimizes signal distortion in high-frequency data lines (e.g., HDMI DDC, I²C)
Forward Voltage (VF)1.25 V @ 150 mA - ensures low power loss in active clamping circuits with sustained DC bias
Surge Current (IFSM)0.5 A @ 1 s (single pulse) - withstands ESD events per IEC 61000-4-2 Level 4 (8 kV contact)
Junction Temp (Tj)150 °C - allows operation in engine control units and powertrain sensors without derating

Pinout & Package

SC74 (SOT-363) package: 6-pin, surface-mount, symmetrical layout with no defined Pin 1 orientation in reel; body dimensions 2.5 mm × 1.9 mm × 1.1 mm (max height); thermal pad not present.

Pin/TerminalCircuit RoleDesign Meaning
1 & 2Anode of Diode 1 / Cathode of Diode 2Shared internal node enabling series connection for bidirectional clamping
3Cathode of Diode 1Output terminal for first diode path; connects to protected signal line
4 & 5Anode of Diode 2 / Cathode of Diode 1Redundant internal tie-ensures matched conduction in both directions
6Anode of Diode 2Second output terminal; used with Pin 3 to form differential clamp pair

Key Features

FeatureDesign Value
AEC-Q101 qualifiedValidated for automotive electronics per stress test requirements (HTOL, TC, HAST)
Dual series diode configurationEnables symmetric bidirectional ESD clamping without external bias resistors
Low leakage (0.15 µA @ 70 V)Prevents signal attenuation in high-impedance sensor interfaces (e.g., thermistor inputs)
Pb-free & RoHS compliantMeets EU Directive 2011/65/EU; compatible with lead-free reflow profiles (peak 260 °C)

Applications

USB 2.0 Data Line ProtectionHDMI DDC Channel Clamping

Use Scenario: Protecting DP/DM lines against ESD and cable-induced transients in portable docking stations.

IC Role / Device Role / Timing Role: Dual-series diode acting as low-capacitance bidirectional clamp between data lines and ground.

Use Value: 1.5 pF CT preserves signal integrity up to 480 Mbps; 4 ns trr avoids data eye closure during hot-plug events.

Use Scenario: Safeguarding HDMI Display Data Channel (DDC) I²C bus from hot-swap surges in AV receivers.

IC Role / Device Role / Timing Role: Series-connected diode pair providing rail-to-rail clamping on SDA/SCL lines.

Use Value: Matched VF and IR ensure balanced pull-up behavior; 80 V VR accommodates VCC variations up to 5.5 V with margin.

Automotive Infotainment I/OIndustrial Sensor Interface

Use Scenario: Front-end protection for touchscreen controller GPIOs exposed to dashboard EMI in vehicles.

IC Role / Device Role / Timing Role: High-speed switching diode pair routing transients away from MCU pins during ignition noise bursts.

Use Value: AEC-Q101 rating guarantees reliability over 15-year vehicle lifetime; 150 °C Tj supports placement near display drivers.

Use Scenario: Clamping analog inputs of precision ADCs in factory automation PLC modules.

IC Role / Device Role / Timing Role: Low-leakage (0.15 µA) diode pair limiting overvoltage without loading high-Z sensor outputs.

Use Value: Sub-µA IR prevents gain error in 24-bit sigma-delta converters; 1.25 V VF enables use with 3.3 V reference rails.

Equivalent & Alternatives

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

Alternative PartTechnical DifferenceApplication DifferenceSelection Advice
BAV99W,115SOT-323 package (smaller footprint), same electrical specs, RthJS ≤ 160 K/WBetter suited for space-constrained PCBs where thermal mass is limitedSelect when board area is critical and thermal dissipation < 250 mW is acceptable
ESD5Z3.3T5GSingle-channel TVS diode, 3.3 V clamping, 12 pF CT, unidirectionalDesigned for lower-voltage rail clamping, not series-switching functionChoose only for dedicated 3.3 V supply-line protection-not signal-line bidirectional clamping

Compared with BAV99 B5003, BAV99W offers identical switching performance in a smaller package but reduced thermal capability, while ESD5Z3.3T5G provides lower clamping voltage at the cost of higher capacitance and loss of dual-diode functionality.

Availability

BAV99 B5003 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial sensor interfaces, and high-speed data line protection requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for BAV99 B5003 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 high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and energy-efficient solutions.

The BAV99 series belongs to Nexperia's high-speed switching diode product line, engineered specifically for ESD-hardened signal routing in automotive, computing, and industrial connectivity applications.

FAQ

What is the pin configuration of BAV99 B5003?

BAV99 B5003 uses a 6-pin SC74 (SOT-363) package with Pins 1–2 tied internally as the common node between two series diodes, Pin 3 as Cathode of Diode 1, Pins 4–5 as shared cathode/anode junction, and Pin 6 as Anode of Diode 2. No standardized Pin 1 marking orientation applies in tape-and-reel delivery.

Is BAV99 B5003 suitable for bidirectional signal clamping?

Yes-its dual-series diode structure forms a symmetric, bidirectional clamping path between any two signal lines and ground. With matched VF and IR across both directions, it supports I²C, USB, and other bidirectional protocols without polarity sensitivity or external bias networks.

How does BAV99 B5003 perform under high-temperature conditions?

Rated for 150 °C junction temperature and qualified per AEC-Q101, BAV99 B5003 maintains specified trr ≤ 4 ns and IR ≤ 50 µA at 150 °C. Its RthJS ≤ 150 K/W (BAV99U variant) enables reliable operation in under-hood ECUs and motor-control enclosures without forced cooling.

Can BAV99 B5003 replace standard 1N4148 diodes in high-speed designs?

No-BAV99 B5003 is a dual-series device optimized for clamping, not general-purpose switching. While its 4 ns trr outperforms 1N4148 (4 ns typical), its fixed internal topology prevents standalone use as a discrete switch; it must be applied as a matched pair in differential or rail-clamp configurations.

BAV 99 B5003 Specifications

Product attributes
Attribute value
Manufacturer:
Infineon Technologies
Series:
-
Package/Case:
TO-236-3, SC-59, SOT-23-3
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-SOT23

BAV 99 B5003 FAQ

1.How can I place an order for BAV 99 B5003 through Aetrix?

Please submit a Request for Quotation (RFQ) for BAV 99 B5003 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 BAV 99 B5003 reliable?

The price and inventory of BAV 99 B5003 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAV 99 B5003 is usually 5 days.

3.What payment methods are accepted for BAV 99 B5003?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAV 99 B5003 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BAV 99 B5003?

BAV 99 B5003 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BAV 99 B5003 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 BAV 99 B5003?

For technical support, including BAV 99 B5003 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAV 99 B5003 requirements.

6.How does Aetrix verify that BAV 99 B5003 is sourced from the original manufacturer or authorized distributors?

All BAV 99 B5003 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 BAV 99 B5003 meets industry standards.

7.What is the process for return or replacement of BAV 99 B5003?

All BAV 99 B5003 units undergo pre-shipment inspection (PSI). If there is an issue with BAV 99 B5003, 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 BAV 99 B5003 part is unused and in its original packaging.

Return procedure for BAV 99 B5003:

1.Submit a request within 90 days.

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

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