OverviewAll product unitsProduct unitPassive ComponentsProduct groupEMC ComponentsProduct familyESD ProtectionProduct seriesWE-VE femtoF

WE-VE femtoF

WE-VE femtoF
Size Dimen­sions 3DL
(mm)
W
(mm)
H
(mm)
Fl
(mm)
Mount
0402 1 0.5 0.6 0.3 SMT
0603 1.6 0.8 0.9 0.3 SMT

Characteristics

  • Lowest Capacitance
  • Fast response time
  • Low leakage current
  • Low clamping voltage
  • Almost no energy consumption in stand-by mode
  • Excellent absorption for ESD-impulses
  • Operating temperature: –40 ºC to +85 ºC
  • Nickel barrier

Applications

  • Protection of, data lines, bus systems or semiconductors
  • ESD protection in accordance with EN 61000-4-2:
    8 kV contact discharge
    15 kV air discharge

Products

All
0402
0603
Order Code Data­sheet Downloads StatusVDC
(V)
CCh typ.
(pF)
VCh Clamp ESD typ.
(V)
SizeVESD Contact
(kV)
Design Kit Samples
8231606ASPEC
6 files Active i| Production is active. Expected lifetime: >10 years. 6 0.05 40 0603 8
8231706ASPEC
6 files Active i| Production is active. Expected lifetime: >10 years. 6 0.05 40 0402 8823999
8231614ASPEC
6 files Active i| Production is active. Expected lifetime: >10 years. 14 0.05 45 0603 8
8231714ASPEC
6 files Active i| Production is active. Expected lifetime: >10 years. 14 0.05 45 0402 8
8231626ASPEC
6 files Active i| Production is active. Expected lifetime: >10 years. 26 0.05 50 0603 8
Order Code Data­sheet
8231606ASPEC
8231706ASPEC
8231614ASPEC
8231714ASPEC
8231626ASPEC
Samples
Order Code Data­sheet Downloads StatusVDC
(V)
CCh typ.
(pF)
VCh Clamp ESD typ.
(V)
SizeVESD Contact
(kV)
Design Kit Samples

New ESD diode model (also available with snapback)

Built on real measurement data

In cooperation with the IFE from TU Graz, WE now offers a diode model across all ESD protection components, built on real measurement data with TLP (Transmission Line Pulsing) to capture true device behavior under ESD conditions. Traditional models often use simplified approximations, like shown in the dotted line, while this model reflects actual transient characteristics like snapback delay and conductivity. Our Model can now also simulate the snapback behavior.

Key Advantages:

  • Simulate true transient behavior, allowing designs to be tested under realistic conditions and ensuring robust ESD protection.
  • Ready-to-use simulation files simplify integration into SPICE-based analyses, speeding up design cycles and time-to-market.
  • Reliable simulations reduce testing, development cycles, and the risk of product recalls due to ESD vulnerabilities, while providing insights into device behavior to enable design optimization and ensure consistent ESD resilience across applications, from consumer electronics to industrial devices.
Current-voltage diagram with simulated and real measured values

Assortments

Articles from this product series can be found in the following assortments:

Videos

Würth Elektronik Webinar: Effective ESD protection with TVS diodes