Resettable Fuses - PPTC

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PolySwitch Surface-Mount Resettable PTCs

Littelfuse PolySwitch Surface-Mount (SMD) Resettable PTCs provide overcurrent protection for applications where space is at a premium, and resettable protection is desired. The components are reliable and capable of protecting computers and consumer electronics against temporary overcurrent faults. Package sizes range from 0402 to 3425, while the current hold ranges from 50mA to 7.0A. The Littelfuse PolySwitch SMD product family is qualified to strict automotive standards (per AECQ200). As a result, these PTCs are suitable for protecting electronic control units (ECUs) against damage from faults that would otherwise require costly, complete module replacement.

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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	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
Resettable Fuses - PPTC 12V 0.08A Ih 14 Ohm femtoSMDC008F-02 Littelfuse 1: ¥294 635In Stock	Mfr. Part # femtoSMDC008F-02 Mouser Part # 650-FEMTOSMDC008F-02	Littelfuse	Resettable Fuses - PPTC 12V 0.08A Ih 14 Ohm Learn More about Littelfuse indoor led protection	Datasheet	635In Stock	Cut Tape ¥294 ¥255.8 ¥227.6 ¥186 View Reel ¥110.8 ¥167.8 ¥156.6 ¥146.8 ¥130.1 ¥110.8 ¥110.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	femtoSMD	SMD/SMT	SMD/SMT	80 mA	12 VDC	200 mA	40 A	14 Ohms	0603 (1608 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5235-000 2018 0.5A 33VDC 1.5W 0.2Ohm AHS050-2 Littelfuse 1: ¥134.5 19,877In Stock New Product	Mfr. Part # AHS050-2 Mouser Part # 576-AHS050-2 New Product	Littelfuse	Resettable Fuses - PPTC RF5235-000 2018 0.5A 33VDC 1.5W 0.2Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	19,877In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥60.6 ¥85.5 ¥78.9 ¥71.6 ¥70.4 ¥60.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AHS	SMD/SMT	SMD/SMT	500 mA	33 VDC	1.5 A	70 A	200 mOhms	2018 (5050 metric)	- 40 C	+ 125 C	AEC-Q200	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5236-000 2018 0.8A 33VDC 1.9W 0.1Ohm AHS080F/33-2 Littelfuse 1: ¥134.5 19,856In Stock New Product	Mfr. Part # AHS080F/33-2 Mouser Part # 576-AHS080F/33-2 New Product	Littelfuse	Resettable Fuses - PPTC RF5236-000 2018 0.8A 33VDC 1.9W 0.1Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	19,856In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥64.4 ¥85.5 ¥78.9 ¥71.6 ¥70.4 ¥64.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AHS	SMD/SMT	SMD/SMT	800 mA	33 VDC	2 A	70 A	100 mOhms	2018 (5050 metric)	- 40 C	+ 125 C	AEC-Q200	Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 33V 1.2A-HD 20A 2-SMD AHS120F/33-2 Littelfuse 1: ¥134.5 10,616In Stock New Product	Mfr. Part # AHS120F/33-2 Mouser Part # 576-AHS120F/33-2 New Product	Littelfuse	Resettable Fuses - PPTC 33V 1.2A-HD 20A 2-SMD Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	10,616In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥60.6 ¥85.5 ¥78.9 ¥71.6 ¥60.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AHS	SMD/SMT	SMD/SMT	1.2 A	33 VDC	2.3 A	20 A	150 mOhms	2920 (7450 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5237-000 3425 1.6A 24VDC 2.3W 0.035Ohm AHS160F/24-2 Littelfuse 1: ¥134.5 7,434In Stock New Product	Mfr. Part # AHS160F/24-2 Mouser Part # 576-AHS160F/24-2 New Product	Littelfuse	Resettable Fuses - PPTC RF5237-000 3425 1.6A 24VDC 2.3W 0.035Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	7,434In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥60.6 ¥85.5 ¥78.9 ¥60.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AHS	SMD/SMT	SMD/SMT	1.6 A	24 VDC	4.8 A	40 A	35 mOhms	3425 (8673 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5238-000 3425 2A 24VDC 2.3W 0.03Ohm AHS200F/24-2 Littelfuse 1: ¥134.5 7,315In Stock New Product	Mfr. Part # AHS200F/24-2 Mouser Part # 576-AHS200F/24-2 New Product	Littelfuse	Resettable Fuses - PPTC RF5238-000 3425 2A 24VDC 2.3W 0.03Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	7,315In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥60.6 ¥85.5 ¥78.9 ¥60.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AHS	SMD/SMT	SMD/SMT	2 A	24 VDC	6 A	40 A	30 mOhms	3425 (8673 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 24V 3.0A-HD 20A 2-SMD AHS300F/24-2 Littelfuse 1: ¥134.5 12,810In Stock New Product	Mfr. Part # AHS300F/24-2 Mouser Part # 576-AHS300F/24-2 New Product	Littelfuse	Resettable Fuses - PPTC 24V 3.0A-HD 20A 2-SMD Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	12,810In Stock	Cut Tape ¥134.5 ¥124.1 ¥99.8 ¥94.3 View Reel ¥60.6 ¥85.5 ¥78.9 ¥60.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AHS	SMD/SMT	SMD/SMT	3 A	24 VDC	6 A	20 A	15 mOhms	3425 (8673 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5103-000 ASMDC260F/32-2 Littelfuse 1: ¥159.5 4,000In Stock New Product	Mfr. Part # ASMDC260F/32-2 Mouser Part # 576-ASMDC260F/32-2 New Product	Littelfuse	Resettable Fuses - PPTC RF5103-000 Learn More about Littelfuse polyswitch automotive pptcs		4,000In Stock	Cut Tape ¥159.5 ¥147.2 ¥118.9 ¥112.8 View Reel ¥76.7 ¥101.3 ¥93.5 ¥85.2 ¥84.2 ¥76.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	ASMD												Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5160-000 1210 0.1A 30VDC 0.8W 1Ohm microASMDCH010F-2 Littelfuse 1: ¥191 3,821In Stock New Product	Mfr. Part # microASMDCH010F-2 Mouser Part # 576-MICROASMDCH010F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5160-000 1210 0.1A 30VDC 0.8W 1Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	3,821In Stock	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 View Reel ¥92.4 ¥120.8 ¥111.3 ¥102.6 ¥101.3 ¥92.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	microASMD	SMD/SMT	SMD/SMT	100 mA	30 VDC	300 mA	20 A	1 Ohms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5161-000 1210 0.16A 30VDC 0.8W 0.7Ohm microASMDCH016F-2 Littelfuse 1: ¥191 3,409In Stock New Product	Mfr. Part # microASMDCH016F-2 Mouser Part # 576-MICROASMDCH016F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5161-000 1210 0.16A 30VDC 0.8W 0.7Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	3,409In Stock	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 View Reel ¥92.4 ¥120.8 ¥111.3 ¥102.6 ¥101.3 ¥92.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	microASMD	SMD/SMT	SMD/SMT	160 mA	30 VDC	480 mA	20 A	700 mOhms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5163-000 1210 0.35A 30VDC 1.2W 0.4Ohm microASMDCH035F-2 Littelfuse 1: ¥191 3,244In Stock New Product	Mfr. Part # microASMDCH035F-2 Mouser Part # 576-MICROASMDCH035F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5163-000 1210 0.35A 30VDC 1.2W 0.4Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	3,244In Stock	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 View Reel ¥88.5 ¥120.8 ¥111.3 ¥104.6 ¥88.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	microASMD	SMD/SMT	SMD/SMT	350 mA	30 VDC	1.05 A	20 A	400 mOhms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5164-000 1210 0.5A 30VDC 1.5W 0.3Ohm microASMDCH050F-2 Littelfuse 1: ¥191 4,024In Stock New Product	Mfr. Part # microASMDCH050F-2 Mouser Part # 576-MICROASMDCH050F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5164-000 1210 0.5A 30VDC 1.5W 0.3Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	4,024In Stock	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 Reel ¥100 View ¥120.8 ¥111.3 ¥102.6 ¥92.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	microASMD	SMD/SMT	SMD/SMT	500 mA	30 VDC	1.05 A	20 A	300 mOhms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5034-000 1210 0.75A 16VDC 1.3W 0.1Ohm microASMDCH075F-2 Littelfuse 1: ¥191 9,741In Stock New Product	Mfr. Part # microASMDCH075F-2 Mouser Part # 576-MICROASMDCH075F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5034-000 1210 0.75A 16VDC 1.3W 0.1Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	9,741In Stock	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 View Reel ¥88.5 ¥120.8 ¥111.3 ¥102.6 ¥100.2 ¥88.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	microASMD	SMD/SMT	SMD/SMT	750 mA	16 VDC	2.25 A	20 A	100 mOhms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 1210 0.35A 1210L035/60PR Littelfuse 1: ¥232.5 27,175In Stock	Mfr. Part # 1210L035/60PR Mouser Part # 576-1210L035/60PR	Littelfuse	Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 1210 0.35A Learn More about Littelfuse 1210l pptc fuses	Datasheet	27,175In Stock	Cut Tape ¥232.5 ¥214.3 ¥176.1 ¥164.1 Reel ¥122.1 View ¥147.5 ¥136 ¥125.4 ¥107.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	1210L	SMD/SMT	SMD/SMT	350 mA	60 VDC	700 mA	10 A	1.5 Ohms	1210 (3225 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC RF5162-000 1210 0.2A 30VDC 0.8W 0.6Ohm microASMDCH020F-2 Littelfuse 1: ¥191 1,470In Stock 4,000Expected 1/26/2027 New Product	Mfr. Part # microASMDCH020F-2 Mouser Part # 576-MICROASMDCH020F2 New Product	Littelfuse	Resettable Fuses - PPTC RF5162-000 1210 0.2A 30VDC 0.8W 0.6Ohm Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	1,470In Stock 4,000Expected 1/26/2027	Cut Tape ¥191 ¥176.1 ¥143 ¥134.2 View Reel ¥92.4 ¥120.8 ¥111.3 ¥102.6 ¥101.3 ¥92.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	microASMD	SMD/SMT	SMD/SMT	200 mA	30 VDC	600 mA	20 A	600 mOhms	1210 (3225 metric)	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 15V POLYFUSE SURF MOUNT 0603 0.08A 0603L008YR Littelfuse 1: ¥171.1 4,965In Stock	Mfr. Part # 0603L008YR Mouser Part # 576-0603L008YR	Littelfuse	Resettable Fuses - PPTC PTC 15V POLYFUSE SURF MOUNT 0603 0.08A Learn More about Littelfuse 0603l resettable fuses	Datasheet	4,965In Stock	Cut Tape ¥171.1 ¥157.8 ¥127.9 ¥120.9 View Reel ¥82.6 ¥108.6 ¥100.2 ¥92 ¥90.7 ¥82.6 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	0603L	SMD/SMT	SMD/SMT	80 mA	15 VDC	200 mA	40 A	12 Ohms	0603 (1608 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 63V POLYFUSE SURF MOUNT 0805 0.02A 0805L002YR Littelfuse 1: ¥206 26,780In Stock	Mfr. Part # 0805L002YR Mouser Part # 576-0805L002YR	Littelfuse	Resettable Fuses - PPTC PTC 63V POLYFUSE SURF MOUNT 0805 0.02A Learn More about Littelfuse 0805l ptc fuses	Datasheet	26,780In Stock	Cut Tape ¥206 ¥167.8 ¥133.5 ¥123.2 View Reel ¥74.9 ¥112.1 ¥103.1 ¥94.2 ¥74.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	0805L	SMD/SMT	SMD/SMT	20 mA	63 VDC	60 mA	40 A	70 Ohms	0805 (2012 metric)				Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 16V POLYFUSE SURF MOUNT 0805 0.20A 0805L020/16YR Littelfuse 1: ¥171.1 4,570In Stock 24,000Expected 12/22/2026	Mfr. Part # 0805L020/16YR Mouser Part # 576-0805L020/16YR	Littelfuse	Resettable Fuses - PPTC PTC 16V POLYFUSE SURF MOUNT 0805 0.20A Learn More about Littelfuse 0805l ptc fuses	Datasheet	4,570In Stock 24,000Expected 12/22/2026	Cut Tape ¥171.1 ¥157.8 ¥127.9 ¥120.9 View Reel ¥74.9 ¥108.6 ¥103.1 ¥94.2 ¥74.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	0805L	SMD/SMT	SMD/SMT	200 mA	16 VDC	500 mA	100 A	3.5 Ohms	0805 (2012 metric)				Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 24V POLYFUSE SURF MOUNT 0805 0.2A 0805L020/24YR Littelfuse 1: ¥171.1 16,565In Stock	Mfr. Part # 0805L020/24YR Mouser Part # 576-0805L020/24YR	Littelfuse	Resettable Fuses - PPTC PTC 24V POLYFUSE SURF MOUNT 0805 0.2A Learn More about Littelfuse 0805l ptc fuses	Datasheet	16,565In Stock	Cut Tape ¥171.1 ¥157.8 ¥127.9 ¥120.9 View Reel ¥78.9 ¥108.6 ¥100.2 ¥92 ¥90.7 ¥78.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	0805L	SMD/SMT	SMD/SMT	200 mA	24 VDC	500 mA	100 A	3.5 Ohms	0805 (2012 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 90V POLYFUSE SURF MOUNT 1210 0.1A 1210L010/90WR Littelfuse 1: ¥232.5 15,644In Stock	Mfr. Part # 1210L010/90WR Mouser Part # 576-1210L010/90WR	Littelfuse	Resettable Fuses - PPTC PTC 90V POLYFUSE SURF MOUNT 1210 0.1A	Datasheet	15,644In Stock	Cut Tape ¥232.5 ¥214.3 ¥177.7 ¥164.1 Reel ¥115.8 View ¥147.5 ¥136 ¥125.4 ¥110.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1210L												Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 1210 0.20A 1210L020/72WR Littelfuse 1: ¥232.5 16,399In Stock	Mfr. Part # 1210L020/72WR Mouser Part # 576-1210L020/72WR	Littelfuse	Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 1210 0.20A Learn More about Littelfuse 1210l pptc fuses	Datasheet	16,399In Stock	Cut Tape ¥232.5 ¥214.3 ¥177.7 ¥164.1 View Reel ¥96.5 ¥147.5 ¥136 ¥125.4 ¥96.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1210L	SMD/SMT	SMD/SMT	200 mA	72 VDC	400 mA	10 A	5 Ohms	1210 (3225 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 2920 1.50A 2920L150/60MR Littelfuse 1: ¥154.5 61,000On Order	Mfr. Part # 2920L150/60MR Mouser Part # 576-2920L150/60MR	Littelfuse	Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 2920 1.50A Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	61,000On Order On Order Ship Dates Mfr. #: 2920L150/60MR Stock: 0 On Order: 22,000 Expected 12/8/2026 39,000 Expected 12/29/2026 Factory Lead-Time: 13 Weeks	Cut Tape ¥154.5 ¥141.5 ¥114.8 ¥108.5 Reel ¥70.9 View ¥97.5 ¥89.9 ¥70.1 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	2920L	SMD/SMT	SMD/SMT	1.5 A	60 VDC	3 A	20 A	250 mOhms	2920 (7450 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 33V 2.6A-HD 40A MAX 2920L260/33DR Littelfuse 1: ¥204.3 28,374In Stock 33,000On Order	Mfr. Part # 2920L260/33DR Mouser Part # 576-2920L260/33DR	Littelfuse	Resettable Fuses - PPTC 33V 2.6A-HD 40A MAX Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	28,374In Stock 33,000On Order On Order Ship Dates Mfr. #: 2920L260/33DR Stock: 28,374 Can Ship Immediately On Order: 31,500 Expected 10/21/2026 1,500 Expected 3/1/2027 Factory Lead-Time: 13 Weeks	Cut Tape ¥204.3 ¥189.4 ¥148.8 ¥141.7 View Reel ¥89.9 ¥127.6 ¥117.4 ¥89.9 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	2920L	SMD/SMT	SMD/SMT	2.6 A	33 VDC	5 A	40 A	75 mOhms	2920 (7450 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A 0402L035SLKR Littelfuse 1: ¥546.5 12,479In Stock	Mfr. Part # 0402L035SLKR Mouser Part # 576-0402L035SLKR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A Learn More about Littelfuse lorho	Datasheet	12,479In Stock	Cut Tape ¥546.5 ¥461.8 ¥372.1 ¥318.9 View Reel ¥230.9 ¥307.3 ¥264.1 ¥244.2 ¥230.9 ¥230.9 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Low Rho	SMD/SMT	SMD/SMT	350 mA	6 VDC	700 mA	40 A	700 mOhms	0402 (1005 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A 0402L050SLKR Littelfuse 1: ¥543.1 29,548In Stock	Mfr. Part # 0402L050SLKR Mouser Part # 576-0402L050SLKR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A Learn More about Littelfuse lorho	Datasheet	29,548In Stock	Cut Tape ¥543.1 ¥425.2 ¥353.8 ¥325.6 View Reel ¥230.9 ¥292.3 ¥270.7 ¥250.8 ¥230.9 ¥230.9 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Low Rho	SMD/SMT	SMD/SMT	500 mA	6 VDC	1 A	40 A	400 mOhms	0402 (1005 metric)	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel