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14D102K MOV varistor (1000V), also known as VDR-14D102K, is designed for AC power lines and high voltage industrial systems where high energy surge protection is required.
This model is typically applied in AC mains circuits and environments exposed to lightning surges, switching spikes and unstable grid conditions.
Typical Use Case:
14D102K is widely used in industrial equipment, power supplies, electrical control systems, household appliances and surge protection devices (SPD) to protect circuits from high energy transient overvoltage.
The 14mm disc structure provides strong energy absorption capability and ensures reliable performance under repetitive surge stress.
Key Electrical Characteristics:
Varistor Voltage (1mA): 1000V ±10%
Maximum Continuous Voltage: 625VAC / 825VDC
Maximum Clamping Voltage: approx. 1650V
Peak Surge Current (8/20μs): 4.5kA
Maximum Energy (2ms): 320J
Capacitance (1kHz): approx. 200pF
Application Focus:
AC power systems
Industrial equipment
Power distribution systems
Household appliances
Surge protection devices (SPD)
Design Tips:
* Select MOV voltage according to AC mains voltage level
* Install across line-to-line or line-to-ground positions
* Combine with GDT or TVS diodes for multi-stage surge protection
Engineering Insight:
14D102K is typically selected for high voltage AC systems where strong surge absorption is required. It plays a critical role in protecting circuits against lightning-induced surges and grid instability.
Comparison Insight:
Comparable to TDK EPCOS S14K625, this model can be used as an alternative solution for high voltage AC protection applications.
Related MOV Varistor Models:
Reference Models:
TDK EPCOS S14K625
TDK EPCOS B72214S0621K101
For general AC applications, 14D471K is widely used.
For higher surge energy requirements, 14D911K is recommended.
All trademarks and part numbers are used for reference only.
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