Varistors – Mouser Japan

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TMOV Thermally Protected Varistors

Littelfuse TMOV Thermally Protected Varistors are radially leaded metal oxide varistors (MOVs) with a thermally activated element designed to open during overheating. The integrated thermal element and the enclosure design work together to facilitate surge-protection module compliance to UL1449. These performance capabilities of Littelfuse TMOV varistors serve cord or permanently connected applications. These Littelfuse varistors offer quick thermal response due to the proximity of the thermal element to the MOV body. This integrated configuration provides the added benefit of lower inductance than most discrete solutions.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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	Capacitance	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP175E Littelfuse 1: ¥348.8 1,704In Stock	Mfr. Part # TMOV20RP175E Mouser Part # 576-TMOV20RP175E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	1,704In Stock	¥348.8 ¥260.8 ¥237.5 ¥212.6 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	175 VAC	225 VDC	297 V	455 V	20 mm	10 kA	135 J	1.4 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP275E Littelfuse 1: ¥370.4 1,179In Stock 6,000On Order	Mfr. Part # TMOV20RP275E Mouser Part # 576-TMOV20RP275E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	1,179In Stock 6,000On Order On Order Ship Dates Mfr. #: TMOV20RP275E Stock: 1,179 Can Ship Immediately On Order: 2,100 Expected 10/27/2026 3,900 Expected 12/29/2026 Factory Lead-Time: 16 Weeks	¥370.4 ¥275.7 ¥252.5 ¥225.9 View ¥210.9 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	275 VAC	350 VDC	473 V	710 V	20 mm	10 kA	190 J	900 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP300E Littelfuse 1: ¥348.8 1,787In Stock	Mfr. Part # TMOV20RP300E Mouser Part # 576-TMOV20RP300E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	1,787In Stock	¥348.8 ¥260.8 ¥237.5 ¥212.6 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	300 VAC	385 VDC	517 V	775 V	20 mm	10 kA	250 J	800 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP460EL2T7 Littelfuse 1: ¥428.5 2,040In Stock	Mfr. Part # TMOV20RP460EL2T7 Mouser Part # 576-TMOV20RP460EL2T7	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	2,040In Stock	Cut Tape ¥428.5 ¥318.9 ¥292.3 ¥262.4 Reel ¥219.3	Min.: 1 Mult.: 1 : 300	TMOV	MOVs	PCB Mount	Radial	460 VAC	610 VDC	825 V	1.24 kV	20 mm	10 kA	360 J	200 pF	- 55 C	+ 85 C	Reel, Cut Tape
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP130E Littelfuse 1: ¥305.6 532In Stock	Mfr. Part # TMOV14RP130E Mouser Part # 576-TMOV14RP130E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	532In Stock	¥305.6 ¥225.9 ¥206 ¥184.4 ¥179.4	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	130 VAC	170 VDC	225.5 V	340 V	14 mm	6 kA	50 J	1 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP175E Littelfuse 1: ¥323.9 575In Stock 1,200Expected 2/9/2027	Mfr. Part # TMOV14RP175E Mouser Part # 576-TMOV14RP175E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	575In Stock 1,200Expected 2/9/2027	¥323.9 ¥240.8 ¥219.3 ¥196 View ¥184.4 ¥179.4	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	175 VAC	225 VDC	297 V	455 V	14 mm	6 kA	70 J	700 pF	- 55 C	+ 85 C	Bulk
Varistors 14MM 300V STRAIGHT INLINE TMOV14RP300EL3T7 Littelfuse 1: ¥402 1,200In Stock	Mfr. Part # TMOV14RP300EL3T7 Mouser Part # 576-TMOV14RP300EL3T7	Littelfuse	Varistors 14MM 300V STRAIGHT INLINE Learn More about Littelfuse tmov varistors	Datasheet	1,200In Stock	Cut Tape ¥402 ¥297.3 ¥270.7 ¥242.5 ¥189.4 Reel ¥189.4	Min.: 1 Mult.: 1 : 400	TMOV	Varistors	PCB Mount	Radial	300 VAC	385 VDC	423 VDC to 517 VDC	775 V	14 mm	6 kA	125 J	400 pF	- 55 C	+ 85 C	Reel, Cut Tape
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP320EL2T7 Littelfuse 1: ¥365.4 260In Stock 1,200Expected 12/29/2026	Mfr. Part # TMOV14RP320EL2T7 Mouser Part # 576-TMOV14RP320EL2T7	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	260In Stock 1,200Expected 12/29/2026	Cut Tape ¥365.4 ¥270.7 ¥247.5 ¥220.9 Reel ¥196 View ¥197.7 ¥189.4 ¥182.7	Min.: 1 Mult.: 1 : 400	TMOV	MOVs	PCB Mount	Radial	320 VAC	510 VDC	561 V	840 V	14 mm	6 kA	136 J	380 pF	- 55 C	+ 85 C	Reel, Cut Tape
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP385EL2T7 Littelfuse 1: ¥377 746In Stock	Mfr. Part # TMOV14RP385EL2T7 Mouser Part # 576-TMOV14RP385EL2T7	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	746In Stock	Cut Tape ¥377 ¥279 ¥254.1 ¥214.3 Reel ¥204.3 ¥189.4	Min.: 1 Mult.: 1 : 400	TMOV	MOVs	PCB Mount	Radial	385 VAC	620 VDC	682 V	1.025 kV	14 mm	6 kA	150 J	360 pF	- 55 C	+ 85 C	Reel, Cut Tape
Varistors Thermally Protected 14MM TMOV14RP550E Littelfuse 1: ¥355.5 338In Stock	Mfr. Part # TMOV14RP550E Mouser Part # 576-TMOV14RP550E	Littelfuse	Varistors Thermally Protected 14MM Learn More about Littelfuse tmov varistors	Datasheet	338In Stock	¥355.5 ¥264.1 ¥240.8 ¥215.9 ¥212.6	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	550 VAC	715 VDC	1.001 kV	1.355 kV	14 mm	6 kA	190 J	180 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP130E Littelfuse 1: ¥370.4 14In Stock 1,200Expected 2/3/2027	Mfr. Part # TMOV20RP130E Mouser Part # 576-TMOV20RP130E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	14In Stock 1,200Expected 2/3/2027	¥370.4 ¥275.7 ¥252.5 ¥225.9 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	130 VAC	170 VDC	225.5 V	340 V	20 mm	10 kA	100 J	1.9 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP140E Littelfuse 1: ¥348.8 583In Stock	Mfr. Part # TMOV20RP140E Mouser Part # 576-TMOV20RP140E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	583In Stock	¥348.8 ¥260.8 ¥237.5 ¥212.6 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	140 VAC	180 VDC	242 V	360 V	20 mm	10 kA	110 J	1.75 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP230E Littelfuse 1: ¥348.8 898In Stock	Mfr. Part # TMOV20RP230E Mouser Part # 576-TMOV20RP230E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	898In Stock	¥348.8 ¥260.8 ¥237.5 ¥212.6 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	230 VAC	360 VDC	396 V	595 V	20 mm	10 kA	160 J	1.1 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP320E Littelfuse 1: ¥348.8 226In Stock 3,000On Order	Mfr. Part # TMOV20RP320E Mouser Part # 576-TMOV20RP320E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	226In Stock 3,000On Order On Order Ship Dates Mfr. #: TMOV20RP320E Stock: 226 Can Ship Immediately On Order: 1,500 Expected 1/4/2027 1,500 Expected 1/5/2027 Factory Lead-Time: 16 Weeks	¥348.8 ¥312.3 ¥282.4 ¥249.2 ¥209.3	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	320 VAC	561 VDC	561 V	840 V	20 mm	10 kA	372 J	750 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP320EL2T7 Littelfuse 1: ¥416.9 996In Stock	Mfr. Part # TMOV20RP320EL2T7 Mouser Part # 576-TMOV20RP320EL2T7	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	996In Stock	Cut Tape ¥416.9 ¥310.6 ¥284 ¥254.1 Reel ¥212.6	Min.: 1 Mult.: 1 : 300	TMOV	MOVs	PCB Mount	Radial	320 VAC	510 VDC	561 V	840 V	20 mm	10 kA	372 J	750 pF	- 55 C	+ 85 C	Reel, Cut Tape
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP420E Littelfuse 1: ¥380.4 26In Stock 2,100Expected 12/24/2026	Mfr. Part # TMOV20RP420E Mouser Part # 576-TMOV20RP420E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	26In Stock 2,100Expected 12/24/2026	¥380.4 ¥340.5 ¥310.6 ¥232.5 View ¥217.6 ¥215.9	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	420 VAC	560 VDC	748 V	1.12 kV	20 mm	10 kA	320 J	600 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP550E Littelfuse 1: ¥455.1 679In Stock 1,200Expected 12/28/2026	Mfr. Part # TMOV20RP550E Mouser Part # 576-TMOV20RP550E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	679In Stock 1,200Expected 12/28/2026	¥455.1 ¥338.8 ¥310.6 ¥265.8 View ¥254.1 ¥249.2 ¥227.6	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	550 VAC	715 VDC	1.001 kV	1.5 kV	20 mm	10 kA	360 J	300 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP625E Littelfuse 1: ¥431.9 5In Stock 1,200Expected 2/1/2027	Mfr. Part # TMOV20RP625E Mouser Part # 576-TMOV20RP625E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	5In Stock 1,200Expected 2/1/2027	¥431.9 ¥322.2 ¥295.7 ¥282.4 View ¥280.7 ¥267.4	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	625 VAC	1.1 kVDC	1.1 kV	1.65 kV	20 mm	10 kA	400 J	250 pF	- 55 C	+ 85 C	Bulk
Varistors 115V 20KA SQ 25MM PB FREE 25S TMOV25SP115M Littelfuse 1: ¥789 74In Stock	Mfr. Part # TMOV25SP115M Mouser Part # 576-TMOV25SP115M	Littelfuse	Varistors 115V 20KA SQ 25MM PB FREE 25S Learn More about Littelfuse smov varistor	Datasheet	74In Stock	¥789 ¥602.9 ¥556.4 ¥516.6	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	125 VAC	150 VDC	198 V	295 V	25 mm	20 kA	170 J	3.2 nF	- 55 C	+ 85 C	Bulk
Varistors 140V 20KA SQ 25MM PB FREE 25S TMOV25SP140M Littelfuse 1: ¥953.4 28In Stock 800Expected 2/15/2027	Mfr. Part # TMOV25SP140M Mouser Part # 576-TMOV25SP140M	Littelfuse	Varistors 140V 20KA SQ 25MM PB FREE 25S Learn More about Littelfuse smov varistor	Datasheet	28In Stock 800Expected 2/15/2027	¥953.4 ¥727.5 ¥671 ¥519.9	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	140 VAC	180 VDC	242 V	355 V	25 mm	20 kA	210 J	2.5 nF	- 55 C	+ 85 C	Bulk
Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE TMOV25SP150M Littelfuse 1: ¥797.3 235In Stock 700Expected 11/5/2026	Mfr. Part # TMOV25SP150M Mouser Part # 576-TMOV25SP150M	Littelfuse	Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE Learn More about Littelfuse smov varistor	Datasheet	235In Stock 700Expected 11/5/2026	¥797.3 ¥609.6 ¥561.4 ¥521.6	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	150 VAC	200 VDC	216 V	390 V	25 mm	20 kA	220 J	2.3 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 34 MM DISC TMOV34S271EP Littelfuse 1: ¥3,635.9 1In Stock	Mfr. Part # TMOV34S271EP Mouser Part # 576-TMOV34S271EP	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 34 MM DISC Learn More about Littelfuse tmov varistors	Datasheet	1In Stock	¥3,635.9 ¥2,787.2 ¥2,654.3 ¥2,641	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	275 VAC	369 VDC	473 V	730 V	34 mm	40 kA	550 J	4.5 nF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 20MM TMOV20RP750E Littelfuse 1: ¥431.9 12,690On Order	Mfr. Part # TMOV20RP750E Mouser Part # 576-TMOV20RP750E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 20MM Learn More about Littelfuse tmov varistors	Datasheet	12,690On Order On Order Ship Dates Mfr. #: TMOV20RP750E Stock: 0 On Order: 1,090 Expected 10/30/2026 1,600 Expected 12/10/2026 2,600 Expected 12/29/2026 7,400 Expected 12/31/2026 Factory Lead-Time: 16 Weeks	¥431.9 ¥323.9 ¥295.7 ¥264.1	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	625 VAC	825 VDC	1 kV	1.98 kV	20 mm	10 kA	480 J	175 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP385E Littelfuse 1: ¥378.7 1,387Expected 2/15/2027	Mfr. Part # TMOV14RP385E Mouser Part # 576-TMOV14RP385E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	1,387Expected 2/15/2027	¥378.7 ¥280.7 ¥255.8 ¥227.6 View ¥215.9 ¥186	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	385 VAC	505 VDC	682 V	1.025 kV	14 mm	6 kA	150 J	360 pF	- 55 C	+ 85 C	Bulk
Varistors THERMALLY PROTECTED VARISTOR 14MM TMOV14RP460E Littelfuse 1: ¥343.8 2,500On Order	Mfr. Part # TMOV14RP460E Mouser Part # 576-TMOV14RP460E	Littelfuse	Varistors THERMALLY PROTECTED VARISTOR 14MM Learn More about Littelfuse tmov varistors	Datasheet	2,500On Order On Order Ship Dates Mfr. #: TMOV14RP460E Stock: 0 On Order: 2,000 Expected 10/27/2026 500 Expected 11/2/2026 Factory Lead-Time: 16 Weeks	¥343.8 ¥255.8 ¥232.5 ¥209.3 View ¥197.7 ¥192.7	Min.: 1 Mult.: 1	TMOV	MOVs	PCB Mount	Radial	460 VAC	610 VDC	825 V	1.24 kV	14 mm	6 kA	180 J	220 pF	- 55 C	+ 85 C	Bulk