Infineon Technologies BAT 54-06 B5003

Overview

BAT54-06 from Nexperia is a silicon Schottky diode in SOT23 package configured as a common anode dual diode, rated for 30 V reverse voltage, 200 mA forward current, and 5 ns reverse recovery time, used for low-loss clamping and bias isolation in automotive sensor signal conditioning circuits.

For engineers reviewing the BAT54-06 datasheet, BAT54-06 pinout, BAT54-06 application, or BAT54-06 equivalent, key selection criteria include its common-anode topology, 345 K/W junction-to-soldering-point thermal resistance, 400 mV forward voltage at 10 mA, and AEC-Q101 qualification status for automotive-grade reliability.

Technical Context

The BAT54-06 integrates two Schottky diodes sharing a common anode terminal, enabling bidirectional clamping or dual-path signal protection within a single SOT23 footprint. Its guard ring structure enhances ruggedness against surface leakage and ESD-induced failure.

With 10 pF capacitance at 1 V reverse bias and sub-5 ns trr, it supports high-speed transient suppression in 12 V automotive bus interfaces and precision analog front-ends where minimal capacitive loading and fast turn-off are critical.

Key Specifications

Pinout & Package

SOT23-3 package with gull-wing leads; standardized JEDEC MO-215 outline, 1.3 mm × 2.9 mm body, 1.45 mm height, 0.95 mm lead pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual common-anode Schottky diode applications.

Compared with NSS40201MR6T1G and VS-3EDL03-M3/84A, the BAT54-06 uniquely delivers AEC-Q101 qualification, common-anode integration, and 5 ns trr in SOT23 - balancing automotive reliability, space efficiency, and high-speed clamping without design compromise.

Availability

BAT54-06 is available at Aetrix Electronics and suitable for automotive ECU protection, industrial analog input conditioning, and USB interface ESD suppression requiring stable component supply across multi-year production cycles.

Supply support for BAT54-06 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.

The BAT54 series belongs to Nexperia's automotive Schottky diode product line, engineered specifically for robust signal integrity protection in 12 V/24 V vehicle networks and industrial control systems.

FAQ

Is BAT54-06 pin-compatible with BAT54-06W?

No. BAT54-06 uses SOT23 package while BAT54-06W uses SOT323. Though both are common-anode dual Schottky diodes with identical electrical specs, their footprints differ: SOT23 has 0.95 mm lead pitch and 2.9 mm length; SOT323 has 0.65 mm pitch and 2.1 mm length. PCB layout must be redesigned for substitution.

What is the maximum operating temperature for BAT54-06 in continuous use?

The BAT54-06 has a maximum junction temperature of 150 °C and a specified maximum soldering-point temperature of 71 °C. At ambient temperatures up to 85 °C, continuous operation at full 200 mA forward current requires thermal relief via copper pour or reduced duty cycle per the derating curve in Figure 8 of the datasheet.

Does BAT54-06 meet ISO 10605 ESD requirements?

The BAT54-06 itself is not tested to ISO 10605; however, its AEC-Q101 qualification includes human-body model (HBM) testing to ±2 kV and machine model (MM) to ±200 V. For full ISO 10605 compliance (e.g., ±30 kV contact discharge), it must be used in conjunction with upstream TVS diodes or RC filters as part of a layered protection scheme.

Can BAT54-06 replace BAT54 in a common-cathode design?

No. BAT54 is a single diode in SOT23; BAT54-06 is a common-anode dual diode. Their configurations are incompatible: BAT54-06 cannot replicate single-diode functionality without leaving one anode floating, risking leakage or latch-up. Circuit redesign is required to adopt BAT54-06 in place of BAT54.