FDLL4148

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FDLL4148

+Nomenclature

DIODE GEN PURP 100V 200MA SOD80

  • FabricantSemi - conducteurs

  • Pièce fabricant #FDLL4148

  • Package DO-213

  • En stock5338

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
DiodeType Standard
Voltage-DCReverse(Vr)(Max) 100 V
Current-AverageRectified(Io) 200mA
Voltage-Forward(Vf)(Max)@If 1 V @ 10 mA
Speed Small Signal =< 200mA (Io), Any Speed
ReverseRecoveryTime(trr) 4 ns
Current-ReverseLeakage@Vr 5 µA @ 75 V
Capacitance@VrF 4pF @ 0V, 1MHz
MountingType Surface Mount
Package/Case DO-213AC, MINI-MELF, SOD-80
SupplierDevicePackage SOD-80

Présentation

Description

The FDLL4148 is a high-speed switching diode designed for general-purpose applications. Key features include:
- Fast switching speed (4ns reverse recovery time)
- Low forward voltage drop (~1V at 10mA)
- High surge current capability
- Small SOD-123 package
Common uses include:
- Signal rectification
- High-speed switching circuits
- Protection circuits (clamping, freewheeling)
- Logic and RF applications
It’s a popular alternative to the 1N4148 but in a surface-mount package. Rated for 100V reverse voltage and 200mA average forward current, it balances performance and compactness.
For precise specs, refer to the datasheet.

Equivalent

The FDLL4148 is a fast switching diode. Equivalent products include:
- 1N4148 (standard equivalent)
- 1N4448 (higher voltage rating)
- BAV99 (dual diode in SOT-23)
- MMBD4148 (SMD version)
- LL4148 (similar specs)
These offer comparable switching speed (~4ns) and voltage/current ratings (~100V, 200mA). Check datasheets for exact compatibility.

Features

The FDLL4148 is a high-speed switching diode with the following key features:
- Type: Small-signal Schottky diode
- Reverse Voltage (VR): 100V
- Forward Current (IF): 200mA (continuous), 450mA (peak)
- Forward Voltage (VF): 1V max at 10mA
- Reverse Recovery Time (trr): 4ns (fast switching)
- Package: SOD-123 (surface-mount)
- Applications: High-speed switching, rectification, clamping, and protection circuits
It is a drop-in replacement for the 1N4148 but with improved performance in high-frequency applications. Ideal for digital circuits, signal processing, and power supply protection.

Application

The FDLL4148 is a fast-switching signal diode commonly used in:
1. Rectification – Low-voltage AC to DC conversion.
2. Protection Circuits – Clamping and suppressing voltage spikes.
3. High-Speed Switching – Signal demodulation, logic circuits.
4. Reverse Polarity Protection – Safeguarding sensitive electronics.
5. RF Applications – Mixers, detectors in communication systems.
Its fast recovery time (4ns) and low forward voltage make it ideal for high-frequency and low-power applications.

Package

The FDLL4148 is a high-speed switching diode typically available in a DO-35 glass package. This package is cylindrical, axial-leaded, and suitable for through-hole mounting. It offers reliable performance in general-purpose applications like rectification, clamping, and protection. The DO-35 package is compact, with a diameter of ~1.8mm and length of ~4mm, making it easy to integrate into circuits.

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