BAV99-QR

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BAV99-QR

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Спецификации

Атрибут Ценность
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) 215mA (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 TO-236-3, SC-59, SOT-23-3

Обзор

Description

BAV99-QR is a dual high‑speed switching diode in a single SOT‑23 (3‑pin) package. It contains two fast diodes in one device, useful for signal routing, clipping, level shifting, and input protection in compact circuits. The “-QR” suffix denotes the package/reel variant (SOT‑23, RoHS compliant, tape-and-reel) used by many manufacturers; exact pinout and diode configuration (common anode/cathode or separate diodes) are specified in the datasheet, so always verify.
Key points:
- Fast switching, low to moderate capacitance
- Suitable for small-signal, logic/edge-triggered tasks
- Rated for modest reverse voltage and forward current (specifications vary by supplier)
Common uses include demodulation, waveform shaping, protection on microcontroller inputs, and other high-speed signaling roles. For exact electrical specs (VR, IF(AV), VF, switching times) and pinout, consult the vendor’s datasheet for your BAV99-QR variant.

Equivalent

Equivalents to BAV99-QR (dual series switching diodes in an SOT-23) include MMBD4148 (and variants) from ON Semiconductor, Vishay, etc., and 1N4148DW (dual in SOT-23) from major vendors. Check pinout and electrical specs (forward drop, VR, leakage) to ensure exact compatibility for your circuit.

Features

BAV99-QR features (concise):
- Dual series switching diodes in one SOT-23 package (three leads).
- Two diodes connected in series with a common middle node.
- Fast switching speed (trr in the nanosecond range), suitable for high-frequency circuits.
- Low forward voltage drop (approximately 0.65–1.0 V at ~10 mA).
- Reverse voltage rating around 70–75 V; low leakage at room temp.
- Forward current rating on the order of 150–200 mA; modest power handling.
- Low junction capacitance for RF/fast signal paths.
- RoHS compliant; QR indicates tape-and-reel packaging for automated assembly.

Pinout

3 pins. It is a dual high‑speed switching diode pair in series (two diodes in series with a center tap: D1 from pin1 to pin2, D2 from pin2 to pin3; pin2 is the center node in the SOT‑23 package).

Manufacturer

- Manufacturer: Nexperia.
- What kind of company: A Dutch multinational semiconductor company that designs and manufactures discrete semiconductor components (e.g., diodes, transistors) and related protection devices; originally part of Philips Semiconductors.

Application

BAV99-QR is a dual high-speed switching diode in a compact SMD package. Typical applications:
- Fast signal switching and timing circuits
- Clamping/limiting and waveform shaping
- Level shifting and signal routing in CMOS/TTL interfaces
- Peak detectors, envelope detectors, and demodulation
- Small-signal rectification in RF/high-frequency circuits
- Diode-logic gates (OR/AND) in mixed-signal designs

Package

BAV99-QR comes in a SOT-23 (3‑pin) plastic package, containing two diodes in one package. The “-QR” suffix denotes tape-and-reel packaging.

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