Diodes Incorporated BAS40BRW-7-F

Overview

BAS40BRW-7-F from Diodes Incorporated is a dual-channel Schottky barrier diode array in SOT363 package, designed for high-speed switching and low-loss signal routing in space-constrained DC-DC converters and RF detector circuits. It features 40 V peak reverse voltage, 200 mA continuous forward current, 380 mV forward voltage at 1 mA, 5.0 pF junction capacitance at 0 V, and 5.0 ns reverse recovery time.

For engineers reviewing the BAS40BRW-7-F datasheet, BAS40BRW-7-F pinout, BAS40BRW-7-F application, or BAS40BRW-7-F equivalent, key selection criteria include low VF for power efficiency, fast tRR for high-frequency rectification, ultra-small SOT363 footprint for dense PCB layouts, and integrated PN guard ring for ESD robustness in portable electronics interfaces.

Technical Context

This dual Schottky diode array integrates two independent anode-cathode junctions sharing a common cathode configuration (BAS40BRW variant), enabling compact OR-ing and polarity protection functions. Its low 380 mV VF at 1 mA and sub-5 ns tRR support efficient operation in 1–10 MHz switching regulators and envelope detection stages.

The device uses a planar Schottky structure with PN junction guard ring to suppress edge leakage and improve transient immunity. Thermal resistance of 625 °C/W (junction-to-ambient, FR-4 board) and -55 °C to +125 °C operating range allow use in industrial and automotive ambient environments without derating below 50 °C.

Key Specifications

Pinout & Package

Package: SOT363 - ultra-compact 6-pin surface-mount plastic package (2.0 × 2.225 mm footprint, 0.9 mm height), rated UL 94V-0, moisture sensitivity level 1, matte tin-plated leads.

Key Features

Applications

Equivalent & Alternatives

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

Compared with RB751V-40T1G and BAT54CW-7-F, BAS40BRW-7-F uniquely combines 40 V rating, dual common-cathode topology, and 5.0 pF CT in SOT363-enabling compact, high-efficiency power OR-ing and RF detection where voltage margin and layout density are critical.

Availability

BAS40BRW-7-F is available at Aetrix Electronics and suitable for USB power management, RF envelope detection, low-voltage logic clamping, and industrial sensor conditioning requiring stable component supply across production lifecycles.

Supply support for BAS40BRW-7-F 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

The BAS40 series belongs to Diodes' high-speed Schottky diode product line, engineered specifically for low-VF, fast-switching applications in portable electronics, communications infrastructure, and industrial control systems.

FAQ

What is the pin configuration of BAS40BRW-7-F?

BAS40BRW-7-F uses a 6-pin SOT363 package with pins 1 (A1) and 3 (A2) as independent anodes, pin 2 (C1) as the shared cathode, and pins 4–6 (C2, A3, C3) as no-connect terminals. This configuration is verified in Diodes' DS30156 Rev. 14-2 top-view diagram and distinguishes it from other BAS40 variants like TW or DW-04.

Does BAS40BRW-7-F meet automotive qualification standards?

BAS40BRW-7-F is not AEC-Q101 qualified per Diodes' official documentation. While it operates from -55 °C to +125 °C and is manufactured in IATF 16949-certified facilities, formal PPAP submission and stress test reports for automotive use are not published for this specific part number.

How does the PN guard ring improve reliability?

The integrated PN junction guard ring suppresses edge leakage currents and prevents premature avalanche breakdown at the diode periphery. This structure raises ESD withstand capability to 8 kV HBM and improves long-term stability under repeated transient stress, particularly in handheld and connector-exposed applications.

Can BAS40BRW-7-F replace BAT54 series diodes?

BAS40BRW-7-F can substitute BAT54CW-7-F in common-cathode dual-diode roles, but requires validation of 40 V vs. 30 V rating and 380 mV vs. 450 mV VF impact on system headroom. Pin compatibility is not guaranteed due to differing SOT363 vs. SOT323 footprints and internal NC pin assignments.