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BAV99W-QX

Name: BAV99W-QX
Rating: 4.7 (12 reviews)

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製造商。部分 #BAV99W-QX
包 SC-70, SOT-323
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規格

Supplier	Nexperia USA Inc.
Package	Bulk
Series	Automotive, AEC-Q101
ProductStatus	Active
DiodeConfiguration	1 Pair Series Connection
DiodeType	Standard
Voltage-DCReverse(Vr)(Max)	100 V
Current-AverageRectified(Io)(perDiode)	150mA (DC)
Voltage-Forward(Vf)(Max)@If	1.25 V @ 150 mA
Speed	Fast Recovery =< 500ns, > 200mA (Io)
ReverseRecoveryTime(trr)	4 ns
Current-ReverseLeakage@Vr	500 nA @ 80 V
OperatingTemperature-Junction	150°C
MountingType	Surface Mount
Package/Case	SC-70, SOT-323

概述

Description

BAV99W-QX is a dual high‑speed switching diode pair in a single SOT‑23 (3‑pin) package. It contains two diodes in one package, designed for fast signal switching and logic-level tasks.
Key points:
- Small-signal, high‑speed diodes suitable for clipping, level shifting, demodulation, and protection in compact boards.
- SOT‑23 package with a simple pinout (check the datasheet for exact arrangement and orientation).
- The “W” variant and “QX” suffix refer to a specific package/style and distributor/manufacturer code.
For exact electrical ratings (reverse voltage, forward current, leakage, switching speed) and the pinout, consult the manufacturer’s datasheet (e.g., Vishay, Nexperia, or Diodes Inc) for BAV99W-QX.

Features

BAV99W-QX features:
- Dual silicon high-speed switching diodes in one SOT-23 package (three terminals, series diodes with a common node).
- Very fast switching with low capacitance; suitable for high-frequency signal paths.
- Low forward drop, low reverse leakage.
- Pb-free, RoHS-compliant, compact surface-mount package.
- Wide operating temperature range (typical -55°C to +125°C).
- Applications: clipping/limiting, level shifting, demodulation, and general switching/ signal processing circuits.

Package

The BAV99W-QX is supplied in an ultra‑small SOD‑523 surface‑mount package (miniature SMD footprint), typically shipped on tape-and-reel.

Pinout

- Pin count: 3 pins (three-terminal device, commonly in SOT-23 package).
- Function: dual series switching diode (two small‑signal silicon diodes connected in series, providing a three‑terminal part). Typical pin assignment: Pin 1 = Anode of D1, Pin 2 = junction (Cathode of D1 / Anode of D2), Pin 3 = Cathode of D2. Used for high‑speed switching, signal clamping/steering and small‑signal rectification.

Manufacturer

Manufacturer: Vishay Intertechnology (Vishay).
What kind of company: A global manufacturer of electronic components, specializing in discrete semiconductors (like diodes) and passive components (resistors, capacitors, inductors) used in electronics.

Application

BAV99W-QX is a dual high-speed switching diode. Common applications include:
- Fast signal switching and pulse shaping
- Input clipping/limiting and protection in ICs
- Level shifting and logic interfacing
- Small-signal rectification and envelope detection
- RC timing and waveform shaping in analog/digital circuits
- RF/analog demodulation paths in compact front-ends

Equivalent

Equivalents are other vendors’ dual-series silicon switching diodes in the same SOT-23 package with the same pinout. Common cross-ref:
- BAV99W (Vishay)
- BAV99W (Nexperia)
- MMBD4148WS (ON Semiconductor / Renesas)
- MMBD4148W (Diodes Inc)
Always verify IF(AV), VR, VF and pinout in the datasheets for exact electrical compatibility.