BAV199

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BAV199

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DIODE ARRAY GP 85V 140MA SOT23-3

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仕様

属性 値
Part Status Discontinued at DigiKey
Base Product Number BAV199
Diode Configuration 1 Pair Series Connection
Technology Standard
Voltage - DC Reverse (Vr) (Max) 85 V
Current - Average Rectified (Io) (per Diode) 140mA (DC)
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 50 mA
Reverse Recovery Time (trr) 3 µs
Current - Reverse Leakage @ Vr 5 nA @ 75 V
Operating Temperature - Junction -65°C ~ 150°C
Mounting Type Surface Mount
Supplier Device Package SOT-23-3
Packaging Tape & Reel (TR)
Speed Small Signal =< 200mA (Io), Any Speed
Package TO-236-3, SC-59, SOT-23-3

概要

Description

The BAV199 is a fast-switching silicon diode designed for high-frequency rectification and freewheeling applications. Key features include:
- Low forward voltage drop (enhances efficiency).
- Ultra-fast recovery time (minimizes switching losses).
- High surge current capability (improves reliability).
Commonly used in:
- Switch-mode power supplies (SMPS).
- DC-DC converters.
- Snubber circuits.
Available in SOD-123 or DO-214AC (SMA) packages, it is suitable for space-constrained designs.
For detailed specs, refer to the datasheet (e.g., manufacturer: Diodes Inc.).

Equivalent

The BAV199 is a dual high-speed switching diode. Equivalent products include:
- 1N4148 (single diode, use two)
- BAV99 (similar dual diode)
- MMBD4148 (SMD dual version of 1N4148)
- BAS16 (alternative SMD dual diode)
These offer comparable specs (fast switching, low capacitance). Check datasheets for exact voltage/current ratings.

Pinout

The BAV199 is a dual series switching diode in a SOT-23 (3-pin) package.
### Pin Functions:
1. Pin 1 (Anode of Diode 1)
2. Pin 2 (Common Cathode for both diodes)
3. Pin 3 (Anode of Diode 2)
### Key Features:
- Fast switching (4 ns reverse recovery time)
- Low leakage current
- High reverse voltage (75V)
- Used in high-speed switching, clamping, and protection circuits.
Each diode is independent but shares a common cathode (Pin 2).

Application

The BAV199 is a high-speed switching diode commonly used in:
1. RF Applications: Mixers, detectors, and modulators in communication systems.
2. Signal Clipping & Protection: Voltage clamping and transient suppression in circuits.
3. High-Frequency Circuits: Fast switching in digital and analog designs.
4. Rectification: Low-voltage, high-speed rectification in power supplies.
5. Automotive Electronics: ESD protection and signal conditioning.
Its low capacitance (~2pF) and fast recovery time make it ideal for high-frequency and precision applications.

Package

The BAV199 diode is typically available in SOD-323 (small surface-mount) and DO-35 (glass axial-lead) packages. SOD-323 is compact for modern PCB designs, while DO-35 suits through-hole applications. Both are common for high-speed switching. Check datasheets for exact dimensions and variants.

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