BAS40W-04-7-F

Overview of BAS40W-04-7-F
- Type: dual Schottky barrier diode in the BAS40W family (two diodes in one compact W-package)
- Configuration: typically a common node variant (often common cathode; verify in the datasheet for your exact part)
- Package: small W‑package SMD
- Electricals (typical): VRRM ≈ 40 V; IF(AV) ≈ 200 mA per diode; VF ≈ 0.25–0.40 V at ~10 mA; low leakage at room temp
- Features: very fast switching, low forward voltage drop, suitable for high-speed rectification, clipping, level shifting, and OR-ing
- RoHS: -F suffix indicates lead-free, RoHS-compliant
- Applications: logic circuits, protection diodes, fast rectification, power-path steering
- Note: exact pinout, ratings, and packing details depend on the specific variant; consult the manufacturer datasheet for BAS40W-04-7-F for guaranteed values.

Direct equivalents: BAS40W-04 (same part from other manufacturers: Diodes Inc, Vishay, ROHM). Close substitutes (verify Vf, VR, IR, switching speed and SOT-23 package before using): BAV99 (dual series switching diode), BAT54S (dual Schottky), BAS70W. Always compare datasheets for forward voltage, reverse voltage, leakage and package pinout before substituting.

Here are typical features of BAS40W-04-7-F:
- Dual high-speed silicon switching diodes in a single SMD package
- Fast switching performance for high-frequency circuits
- Small signal operation with low forward voltage drop
- Low reverse leakage
- RoHS-compliant, lead-free, suitable for automated assembly
- Compact W-series surface-mount package
- Broad operating temperature range suitable for consumer and industrial apps
- Versatile for clipping, rectification, signal routing, and logic-level switching

Pin count: 3 (SOT‑23 package).
Function: Dual Schottky barrier diodes (two low‑forward‑voltage, fast switching diodes in one package). Typical pinout: pin 1 = Anode 1, pin 2 = Anode 2, pin 3 = Common cathode. Used for switching, steering, level‑shifting and protection/clamping in high‑speed, low‑voltage circuits.

Manufacturer: Diodes Incorporated.
What kind of company: Diodes Incorporated is an American semiconductor company (headquartered in Plano, Texas) that designs and supplies discrete, analog, logic and power-management semiconductor components for consumer, computing, automotive and industrial markets.

Applications of BAS40W-04-7-F (dual Schottky diodes):
- High-speed switching and RF circuits (fast switching, low capacitance)
- Small-signal rectification and demodulation
- Input protection and clamping for microcontrollers/logic ICs
- Diode-ORing and steering in power-management circuits
- Reverse-polarity and line protection in digital/power paths
- Envelope detectors and detector circuits in communication systems
These diodes provide low forward voltage drop and fast response for compact, efficient switching and protection tasks.

The BAS40W-04-7-F is supplied in an SOT-23 (3-pin small-outline SMD) package.