1N4148W vs 1N4148WS parameter comparison

2024-03-08

Let's compare the key parameters between the 1N4148W and 1N4148WS diodes:

1. 1N4148W Diode:

  • Voltage Rating: Typically around 100V
  • Current Rating: About 150mA
  • Package Type: Standard Through-Hole Package (e.g., DO-35)
  • Applications: General-purpose signal diode applications
  • Reverse Recovery Time: In the range of a few nanoseconds
  • Forward Voltage Drop: Typically around 0.7V at 10mA

2. 1N4148WS Diode:

  • Voltage Rating: Typically 75V
  • Current Rating: 150mA
  • Package Type: Surface-Mount Package (e.g., SOD-323)
  • Applications: Suitable for surface mount applications and compact electronic designs
  • Reverse Recovery Time: Fast recovery time for efficient switching
  • Forward Voltage Drop: Low forward voltage drop for efficient power conversion

Comparison:

  1. Voltage Rating:

    • 1N4148W: Approximately 100V
    • 1N4148WS: Typically 75V
  2. Package Type:

    • 1N4148W: Through-Hole Package (e.g., DO-35)
    • 1N4148WS: Surface-Mount Package (e.g., SOD-323)
  3. Applications:

    • 1N4148W: General-purpose signal diode applications
    • 1N4148WS: Suitable for surface mount applications and compact electronic designs
  4. Forward Voltage Drop:

    • Both diodes typically have a forward voltage drop around 0.7V at 10mA, but specific values can vary.
  5. Reverse Recovery Time:

    • Both diodes have fast recovery times, crucial for efficient switching operations.

Summary:

  • The 1N4148W and 1N4148WS diodes are similar in terms of current ratings and general characteristics but differ in voltage ratings and package types.
  • The 1N4148WS is designed for surface-mount applications, offering advantages in compact electronic designs.
  • The 1N4148W, with a higher voltage rating, might be preferable for applications requiring higher voltage handling capabilities, while the 1N4148WS is more suitable for SMD applications where space-saving and surface mounting are essential.

When choosing between the 1N4148W and 1N4148WS, consider the voltage requirements, package preferences, and form factor compatibility with your circuit design and assembly process.

 

1N4148W

Diotec Semiconductor AG

1N4148WS

Diotec Semiconductor AG

Rohs Code  Yes  Yes
Part Life Cycle Code Active Active
Ihs Manufacturer DIOTEC SEMICONDUCTOR AG DIOTEC SEMICONDUCTOR AG
Package Description ROHS COMPLIANT, PLASTIC PACKAGE-2 ROHS COMPLIANT, PLASTIC PACKAGE-2
Pin Count 2 2
Reach Compliance Code compliant compliant
ECCN Code EAR99 EAR99
HTS Code 8541.10.00.70 8541.10.00.70
Samacsys Manufacturer Diotec Diotec
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type RECTIFIER DIODE RECTIFIER DIODE
JESD-30 Code R-PDSO-G2 R-PDSO-G2
JESD-609 Code e3 e3
Moisture Sensitivity Level 1 1
Number of Elements 1 1
Number of Phases 1 1
Number of Terminals 2 2
Operating Temperature-Max 150 °C 150 °C
Operating Temperature-Min -55 °C -55 °C
Output Current-Max 0.15 A 0.15 A
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Cel) 260  
Power Dissipation-Max 0.4 W 0.2 W
Qualification Status Not Qualified Not Qualified
Rep Pk Reverse Voltage-Max 75 V 75 V
Reverse Recovery Time-Max 0.004 µs 0.004 µs
Surface Mount YES YES
Terminal Finish MATTE TIN TIN
Terminal Form GULL WING GULL WING
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) 5  
Base Number Matches 13 6
Pbfree Code    Yes
Additional Feature   LOW LEAKAGE CURRENT
Application   GENERAL PURPOSE
Forward Voltage-Max (VF)   1.25 V
Non-rep Pk Forward Current-Max   0.35 A
Reverse Current-Max   1 µA
Reverse Test Voltage   75 V

 

1N4148W and 1N4148WS Difference comparison:

 

1N4148W

Diotec Semiconductor AG

1N4148WS

Diotec Semiconductor AG

Peak Reflow Temperature (Cel) 260  
Power Dissipation-Max 0.4 W 0.2 W
Terminal Finish MATTE TIN TIN
Time@Peak Reflow Temperature-Max (s) 5  
Base Number Matches 13 6
Pbfree Code    Yes
Additional Feature   LOW LEAKAGE CURRENT
Application   GENERAL PURPOSE
Forward Voltage-Max (VF)   1.25 V
Non-rep Pk Forward Current-Max   0.35 A
Reverse Current-Max   1 µA
Reverse Test Voltage   75 V
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