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TVS - Varistors, MOVs
TVS - Varistors, MOVs

TVS - Varistors, MOVs: Robust Circuit Protection Against Voltage Surges

Definition:
TVS (Transient Voltage Suppression) devices, including varistors and MOVs (Metal Oxide Varistors), are essential components in circuit protection, designed to safeguard sensitive electronics from voltage spikes and transient surges. These devices rapidly clamp excessive voltage, diverting harmful energy away from critical circuits to prevent damage caused by lightning strikes, electrostatic discharge (ESD), or inductive load switching.

Types of Products in This Category:
1. Standard Varistors/MOVs: Cost-effective, general-purpose solutions for moderate surge protection in consumer electronics, power supplies, and industrial equipment.
2. High-Energy MOVs: Engineered for heavy-duty applications (e.g., power distribution systems), capable of absorbing large surge currents.
3. Surface-Mount (SMD) Varistors: Compact designs for PCB protection in space-constrained devices like IoT modules or mobile gadgets.
4. Automotive-Grade TVS Varistors: AEC-Q200 compliant, ensuring reliability against load dumps in vehicles.
5. Low-Clamping Voltage TVS Devices: Precision protection for ultra-sensitive ICs, with fast response times (<1ns).

Purchasing Recommendations:
- Voltage Rating: Select a varistor with a maximum continuous operating voltage (VRMS/VDC) exceeding your circuit s normal operating voltage by 20-30%.
- Energy Absorption: Match the surge current rating (e.g., 8/20 s waveform) to your environment s threat level (e.g., 6kA for industrial vs. 3kA for consumer apps).
- Certifications: Prioritize UL1449 or IEC 61000-4-5 compliance for safety-critical systems.
- Form Factor: For high-density boards, opt for SMD packages; through-hole variants suit high-power scenarios.

Pro Tip: Pair MOVs with thermal fuses or gas discharge tubes (GDTs) in cascaded protection circuits to enhance longevity and fail-safe performance.

Found 15884 items

B72214Q0681K101

VARISTOR 1.1KV 6KA DISC 14MM


V68ZC2P

VARISTOR 68V 250A DISC 7MM


V14E50P

VARISTOR 82V 6.5KA DISC 14MM


V420LA10P

VARISTOR 680V 2.5KA DISC 10MM


CV250K14BL1

CV 250 K 14 B L1


AVRL101D6R8GTA

COMMERCIAL GRADE MULTILAYER CHIP


CVQ140K10BL1

CVQ 140VRMS 10MM BULK L1


B72210S2151K101

VARISTOR 240V 3.5KA DISC 10MM


V130LU5CPX2855

VARISTOR 205V 3.5KA DISC 10MM


TMOV20RP320ML4B7

VARISTOR 510V 10KA DISC 20MM


MOV-20D820K

VARISTOR 82V 6.5KA DISC 20MM


ERZ-E11A911CS

VARISTOR 910V 5KA DISC 14MM


V575LC40CP

VARISTOR 910V 6.5KA DISC 14MM


V385LT40CP

VARISTOR 620V 10KA DISC 20MM


B72225M0151M301

25MM, 150V, 20KA, THERMO FUSE TY


V14H30P

VARISTOR 47V 3KA DISC 14MM


ERZ-E14A361S1

VARISTOR DISC 14MM 360V


FBMOV300M

VARISTOR 470V 40KA AXIAL CYLINDR


V56ZS20PX2855

VARISTOR 56V 2KA DISC 20MM


VDRS05C175BSE

VARISTOR 275V 400A DISC 7MM


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