BAS40-05W

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BAS40-05W

BAS40 - HIGH SPEED SWITCHING, CL

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Specifications

Supplier Rochester Electronics, LLC
Package Bulk
ProductStatus Active
DiodeConfiguration 1 Pair Common Cathode
DiodeType Schottky
Voltage-DCReverse(Vr)(Max) 40 V
Current-AverageRectified(Io)(perDiode) 120mA (DC)
Voltage-Forward(Vf)(Max)@If 1 V @ 40 mA
Speed Small Signal =< 200mA (Io), Any Speed
Current-ReverseLeakage@Vr 1 µA @ 30 V
OperatingTemperature-Junction 150°C
MountingType Surface Mount
Package/Case SC-70, SOT-323

Overview

Description

BAS40-05W is a small, fast-switching diode device from the BAS40 family, typically implemented as a dual diode in a compact SMD package (the “W” package). It is used for high-speed switching, level shifting, clipping/limiting, and simple detector/protection circuits in compact electronics.
Key points:
- Dual small-signal diodes in one package (variant-dependent configuration such as common anode/cathode).
- Low capacitance and fast recovery suitable for RF and high-speed digital circuits.
- Packaged in the W-series SMD footprint; check the exact pinout and polarity from the datasheet for your specific variant.
What to check in a datasheet:
- The exact diode configuration (dual anode, dual cathode, or common pin).
- Reverse voltage rating and forward current.
- Package type and pinout.
- Any differences among BAS40-05W variants.

Features

BAS40-05W features:
- Small-signal Schottky barrier diode for high-speed switching
- Very low forward voltage drop (typical around 0.2–0.3 V), reducing conduction losses
- Fast switching with short recovery time
- Low to moderate junction capacitance suitable for high-speed/ RF applications
- Surface-mount, compact W-package; RoHS-compliant and lead-free
- Ideal for protection, clamping, level shifting, and rectification in small-signal circuits
- Broad operating temperature range (typical -55°C to +125°C)
- Reliable, widely used in telecom, consumer, and industrial electronics

Package

BAS40-05W is a small-signal Schottky diode in the SOD-123W surface-mount package (≈0.5 W dissipation).

Pinout

- Pin count: 2 pins (anode and cathode)
- Function: Surface-mount fast-switching silicon diode used for high-speed switching and small-signal rectification/clamping.

Application

BAS40-05W is a fast-switching small-signal diode. Common applications:
- High-speed switching in logic/IF/RF circuits
- Rectification in switch-mode power supplies
- Envelope detection and demodulation
- Limiter/clamp circuits
- Peak/detection and sample-and-hold circuits
- Reverse-polarity/input protection in small-signal networks
Concise and suitable for SMT designs.

Equivalent

I can help with cross-ref, but I need specs. BAS40-05W is from the BAS40 family (Schottky diodes). Cross-references depend on packaging and ratings. Please specify:
- package type (e.g., SOT-23, SOD-523)
- reverse voltage and current (e.g., 30 V, 0.1 A)
- whether you need a dual diode with common cathode or common anode
With that, I can provide drop-in equivalents from major vendors (Nexperia, Diodes Inc, Vishay).

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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