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KH-AT Metal Oxide Varistors (MOVs)

YAGEO KH-AT Metal Oxide Varistors (MOVs) are automotive-grade varistors engineered to deliver long-term reliability in harsh operating environments. These MOVs combine high surge capability, effective voltage clamping, and automotive-grade ruggedness, making them an ideal protection solution for modern power electronics. The KH-AT varistors feature a silicone coating that enhances resistance to high temperatures, humidity, and mechanical stress, with an operating temperature range of -40°C to 125°C. These MOVs are AEC‑Q200 qualified, enduring 1000 thermal cycles and 1000 hours of biased humidity at 85°C/85% RH. The KH-AT varistors are ideally suited for telecom infrastructure devices, industrial power supplies, automotive DC-DC converters, renewable energy and charging infrastructure, and AI server power applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Mounting Style	Termination Style	Voltage Rating AC	Voltage Rating DC	Varistor Voltage	Clamping Voltage	Diameter	Max Surge Current	Surge Energy Rating	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Varistors MOV 820V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 821KH20-AT YAGEO 1: Rp31.188 200In Stock 800On Order New Product	Mfr. Part No. 821KH20-AT Mouser Part No 603-821KH20-AT New Product	YAGEO	Varistors MOV 820V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	200In Stock 800On Order	Rp31.188 Rp22.933 Rp20.548 Rp18.346 View Rp17.300 Rp16.640 Rp15.594	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	510 VAC	670 VDC	820 V	1.355 kV	20 mm	10 kA	460 J	- 40 C	+ 125 C	Bulk
Varistors MOV 910V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 911KH14-AT YAGEO 1: Rp14.310 600In Stock 2.250On Order New Product	Mfr. Part No. 911KH14-AT Mouser Part No 603-911KH14-AT New Product	YAGEO	Varistors MOV 910V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	600In Stock 2.250On Order	Rp14.310 Rp9.173 Rp7.779 Rp7.760 View Rp6.861 Rp6.586 Rp6.476	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	550 VAC	745 VDC	910 V	1.5 kV	14 mm	6 kA	255 J	- 40 C	+ 125 C	Bulk
Varistors MOV 910V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 911KH20-AT YAGEO 1: Rp31.922 325In Stock 675On Order New Product	Mfr. Part No. 911KH20-AT Mouser Part No 603-911KH20-AT New Product	YAGEO	Varistors MOV 910V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	325In Stock 675On Order	Rp31.922 Rp23.483 Rp21.098 Rp18.896 View Rp17.098 Rp16.053	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	550 VAC	745 VDC	910 V	1.5 kV	20 mm	10 kA	510 J	- 40 C	+ 125 C	Bulk
Varistors MOV 560V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 561KH10-AT YAGEO 1: Rp8.806 500In Stock 2.400On Order New Product	Mfr. Part No. 561KH10-AT Mouser Part No 603-561KH10-AT New Product	YAGEO	Varistors MOV 560V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	500In Stock 2.400On Order	Rp8.806 Rp5.504 Rp4.770 Rp4.275 View Rp4.256 Rp3.981 Rp3.816 Rp3.724	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	350 VAC	460 VDC	560 V	925 V	10 mm	3.5 kA	92 J	- 40 C	+ 125 C	Bulk
Varistors MOV 560V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 561KH14-AT YAGEO 1: Rp12.108 230In Stock 2.750On Order New Product	Mfr. Part No. 561KH14-AT Mouser Part No 603-561KH14-AT New Product	YAGEO	Varistors MOV 560V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	230In Stock 2.750On Order	Rp12.108 Rp7.705 Rp6.733 Rp6.238 View Rp5.962 Rp5.724 Rp5.485 Rp5.357	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	350 VAC	460 VDC	560 V	925 V	14 mm	6 kA	185 J	- 40 C	+ 125 C	Bulk
Varistors MOV 680V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 681KH14-AT YAGEO 1: Rp12.659 350In Stock 2.600On Order New Product	Mfr. Part No. 681KH14-AT Mouser Part No 603-681KH14-AT New Product	YAGEO	Varistors MOV 680V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	350In Stock 2.600On Order	Rp12.659 Rp8.072 Rp6.678 Rp6.660 View Rp6.183 Rp6.017 Rp5.761 Rp5.651	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	420 VAC	560 VDC	680 V	1.12 kV	14 mm	6 kA	200 J	- 40 C	+ 125 C	Bulk
Varistors MOV 680V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 681KH20-AT YAGEO 1: Rp28.803 100In Stock 900On Order New Product	Mfr. Part No. 681KH20-AT Mouser Part No 603-681KH20-AT New Product	YAGEO	Varistors MOV 680V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	100In Stock 900On Order	Rp28.803 Rp21.098 Rp17.942 Rp15.943 View Rp15.337 Rp14.328	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	420 VAC	560 VDC	680 V	1.12 kV	20 mm	10 kA	400 J	- 40 C	+ 125 C	Bulk
Varistors MOV 820V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 821KH14-AT YAGEO 1: Rp14.126 140In Stock 2.850On Order New Product	Mfr. Part No. 821KH14-AT Mouser Part No 603-821KH14-AT New Product	YAGEO	Varistors MOV 820V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	140In Stock 2.850On Order	Rp14.126 Rp8.971 Rp7.614 Rp7.210 View Rp6.916 Rp6.696 Rp6.439 Rp6.329	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	510 VAC	670 VDC	820 V	1.355 kV	14 mm	6 kA	235 J	- 40 C	+ 125 C	Bulk
Varistors MOV 620V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 621KH20-AT YAGEO 1: Rp26.969 2.250On Order New Product	Mfr. Part No. 621KH20-AT Mouser Part No 603-621KH20-AT New Product	YAGEO	Varistors MOV 620V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	2.250On Order On Order Ship Dates Mfr. No: 621KH20-AT Stock: 0 On Order: 1.250 Expected 10/12/2026 1.000 Expected 04/05/2027 Factory Lead Time: 22 Weeks	Rp26.969 Rp19.630 Rp16.658 Rp15.741 View Rp14.787 Rp14.200 Rp13.246	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	385 VAC	505 VDC	620 V	1.025 kV	20 mm	10 kA	390 J	- 40 C	+ 125 C	Bulk
Varistors MOV 620V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 621KH14-AT YAGEO 1: Rp13.209 3.000On Order New Product	Mfr. Part No. 621KH14-AT Mouser Part No 603-621KH14-AT New Product	YAGEO	Varistors MOV 620V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	3.000On Order	Rp13.209 Rp8.421 Rp6.953 Rp6.623 View Rp6.458 Rp6.274 Rp5.999 Rp5.724 Rp5.559	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	385 VAC	505 VDC	620 V	1.025 kV	14 mm	6 kA	190 J	- 40 C	+ 125 C	Bulk
Varistors MOV 750V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 751KH14-AT YAGEO 1: Rp13.943 3.000On Order New Product	Mfr. Part No. 751KH14-AT Mouser Part No 603-751KH14-AT New Product	YAGEO	Varistors MOV 750V 14mm 4.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	3.000On Order	Rp13.943 Rp8.916 Rp7.375 Rp7.008 View Rp6.843 Rp6.660 Rp6.366 Rp6.073 Rp5.907	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	460 VAC	615 VDC	750 V	1.24 kV	14 mm	6 kA	210 J	- 40 C	+ 125 C	Bulk
Varistors MOV 820V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 821KH10-AT YAGEO 1: Rp9.907 3.000On Order New Product	Mfr. Part No. 821KH10-AT Mouser Part No 603-821KH10-AT New Product	YAGEO	Varistors MOV 820V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	3.000On Order	Rp9.907 Rp6.256 Rp5.430 Rp4.972 View Rp4.733 Rp4.550 Rp4.366 Rp4.256 Rp4.128	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	510 VAC	670 VDC	820 V	1.355 kV	10 mm	3.5 kA	110 J	- 40 C	+ 125 C	Bulk
Varistors MOV 910V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 911KH10-AT YAGEO 1: Rp10.090 3.000On Order New Product	Mfr. Part No. 911KH10-AT Mouser Part No 603-911KH10-AT New Product	YAGEO	Varistors MOV 910V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	3.000On Order	Rp10.090 Rp6.274 Rp5.449 Rp4.990 View Rp4.752 Rp4.568 Rp4.385 Rp4.275 Rp4.146	Min.: 1 Mult.: 1	KH-AT	Varistor	PCB Mount	Through Hole	550 VAC	745 VDC	910 V	1.5 kV	10 mm	3.5 kA	130 J	- 40 C	+ 125 C	Bulk

KH-AT Metal Oxide Varistors (MOVs)

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