1N4148WS-HF

High frequency diode suitable for various switching applications
6,791 有效庫存

1N4148WS-HF

有效庫存6,791

High frequency diode suitable for various switching applications

  • 製造商零件號 # : 1N4148WS-HF

  • 包裝/封裝: SOD323-2

  • 零件狀態 : Active

  • 製造商: Comchip Technology

  • 產品分類 : Single Diodes

  • RoHS:

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1N4148WS-HF 數據表

價格 (USD)

數量 單價 總價
20 $0.028 $0.56
200 $0.023 $4.60
600 $0.019 $11.40
3000 $0.018 $54.00
9000 $0.017 $153.00
21000 $0.016 $336.00

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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詳細說明

1N4148WS-HF is a general-purpose diode with a maximum voltage rating of 75 volts and a current rating of 150mA. It comes in an SOD323 package, which is a small surface mount package commonly used for diodes and other small electronic components. The 1N4148WS-HF diode is known for its fast switching speed and low forward voltage drop, making it suitable for a wide range of applications including signal diode, high-speed switching, and voltage clamping. It is commonly used in circuits that require a fast response to changes in voltage or current. The "1N4148" in the part number indicates that it is a standard silicon diode with a forward voltage drop of around 0.6 to 0.7 volts. The "HF" at the end of the part number typically denotes a high-frequency version of the diode which may have improved performance at higher frequencies.

主要特徵

  • High-speed switching diode
  • Forward current of 300mA
  • Reverse voltage of 100V
  • Forward voltage of 1V
  • Ultra-small SMD package
  • Fast switching speed
  • Low leakage current
  • RoHS compliant

應用

  • General purpose rectification
  • Power supplies
  • Solar panel bypass diodes
  • Voltage clamping
  • Signal amplification
  • Protection circuits
  • Switching circuits
  • Overvoltage protection
  • Light emitting diode (LED) protection
  • Automotive electronics

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! Diodes - General Purpose, Power, Switching RoHS Details
Product Switching Diodes Mounting Style SMD/SMT
Package / Case SOD-323-2 Peak Reverse Voltage 100 V
Max Surge Current ! 2 A If - Forward Current 150 mA
Configuration Single Recovery Time 4 ns
Vf - Forward Voltage 1.25 V Ir - Reverse Current 1 uA
Minimum Operating Temperature - 65 C Maximum Operating Temperature ! + 125 C
Brand Comchip Technology Maximum Diode Capacitance 2 pF
Pd - Power Dissipation 200 mW Product Type ! Diodes - General Purpose, Power, Switching
Factory Pack Quantity 3000 Subcategory Diodes & Rectifiers

常見問題解答

What is 1N4148WS-HF?

The 1N4148WS-HF is a high-speed switching diode manufactured by ON Semiconductor. It is widely used in various electronic circuits for its fast switching speed and low capacitance characteristics.

How Does 1N4148WS-HF Work?

The 1N4148WS-HF operates by allowing current to flow in one direction (forward bias) when a sufficient voltage is applied across its terminals, while blocking current flow in the reverse direction (reverse bias) under normal conditions. It is commonly used in signal processing applications, such as in clipping and clamping circuits.

How Many Pins does 1N4148WS-HF have and What are the Functions of the Pinout Configuration?

The 1N4148WS-HF is typically housed in a small SOD-323 surface-mount package. It has two pins:

  • Anode: The pin connected to the positive voltage during forward bias.
  • Cathode: The pin connected to the negative voltage during forward bias.

What are the Pros and Cons of 1N4148WS-HF?

Pros:

  • High Speed: Very fast switching speed suitable for high-frequency applications.
  • Small Size: Compact SOD-323 package saves board space.
  • Low Capacitance: Low junction capacitance allows for minimal signal distortion.
  • Reliable: Well-established diode with predictable performance.

Cons:

  • Low Reverse Voltage: Limited maximum reverse voltage compared to other diodes.
  • Single Application: Primarily suitable for signal switching and protection, not power rectification.
  • Surface Mount Only: Requires surface-mount technology (SMT) for assembly, which may not be suitable for all designs.

Are There Any Equivalents/Alternatives to 1N4148WS-HF for Recommendation?

  • The 1N4148 from Vishay is a direct equivalent to the 1N4148WS-HF.
  • Alternatives include the BAV199 from Nexperia and the LL4148 from Diodes Incorporated.

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