EMERSON P152.R4 Varistor module
Specific parameters
Nominal voltage (Vrms): 152 V AC (suitable for AC circuit overvoltage protection).
Maximum continuous voltage (Vdc): 200 V DC (upper limit of DC circuit operation).
Surge current (8/20 μ s): 3000 A (single impulse withstand capability).
Energy absorption (2ms square wave): 100 J (high-energy surge protection).
Response time:<1ns (fast response to instantaneous overvoltage).
Packaging form: Axial lead plug-in type, with dimensions of Φ 15.2mm × L20.0mm.
Temperature range: -40 ℃ to+85 ℃ (wide temperature working range).
Certification standards: Complies with UL 1449 3rd edition, IEC 61643-11 standards, and has passed RoHS certification.
Product Performance
High reliability: Made of zinc oxide (ZnO) ceramic material, it has stable nonlinear volt ampere characteristics and a performance degradation rate of less than 5% after long-term use.
Wide protection range: can suppress overvoltage caused by lightning strikes, switch operations, etc., residual voltage ratio (Vmax/Vrms) ≤ 1.8, effectively protecting sensitive components.
Low leakage current: Under normal operating voltage, the leakage current is less than 100 μ A, reducing power consumption and heat generation.
Anti aging ability: through 1000 temperature cycles (-40 ℃ to+85 ℃), the performance retention rate is>95%.
Mechanical strength: The tensile strength of the lead wire is ≥ 5N, and it is resistant to welding heat (260 ℃/10s) without damage.
application area
Industrial control: frequency converter PLC、 Power input protection for servo drives to prevent damage to circuits caused by grid fluctuations.
Consumer electronics: overvoltage protection for power modules of televisions, air conditioners, and chargers to extend device lifespan.
Power system: Surge suppression of distribution boxes and cabinets to reduce damage to equipment caused by lightning strikes or switch operations.
Automotive electronics: power line protection for car chargers and ECU (electronic control unit) to adapt to harsh car environments.
Communication equipment: power and signal port protection for routers and switches to ensure stable operation of the communication system.
There are no reviews yet.