NTC Thermistors – Mouser Costa Rica

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AT & ET Thermistors

Semitec USA AT and ET Thermistors are available in a variety of resistance values, sizes, and termination styles. These high-precision thermal sensing devices have a maximum operating temperature of 90°C, 105°C, or 110°C. The AT series feature extremely small B-value tolerance and resistance while ensuring accurate temperature detection within ±0.3°C. They require no adjustment between the control circuit and the sensor when used as a temperature gauge. The ET thermistors are a smaller version of the AT series. The ET series is highly reliable and offers a fast response time. These thermistors are ideally suited for medical equipment and thermometers.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CRC) Filter the results in the table by unit price based on your quantity.	Qty.	Series	B Parameter	Resistance	Power Rating	Tolerance	Mounting Style	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Diameter	Length	Width	Height	Packaging
NTC Thermistors 10kohm 2% 103ETB Semitec 1: ₡364,33 400In Stock	Mfr. Part # 103ETB Mouser Part # 954-103ETB	Semitec	NTC Thermistors 10kohm 2% Learn More about Semitec atet	Datasheet	400In Stock	₡364,33 ₡345,07 ₡323,21 ₡308,12 View ₡294,06 ₡293,54 ₡265,44 ₡255,03 ₡234,21	Min.: 1 Mult.: 1	ET	3435 K	10 kOhms	3.5 mW	2 %	PCB Mount	Wire Lead	- 40 C	+ 90 C	1.6 mm	45 mm	1.6 mm	4 mm	Bulk
NTC Thermistors 20kohm 1% 203AT-2 Semitec 1: ₡265,44 3 866In Stock	Mfr. Part # 203AT-2 Mouser Part # 954-203AT-2	Semitec	NTC Thermistors 20kohm 1% Learn More about Semitec atet	Datasheet	3 866In Stock	₡265,44 ₡235,77 ₡235,25 ₡204,54 View ₡188,41 ₡171,23	Min.: 1 Mult.: 1	AT	4013 K	20 kOhms	10 mW	1 %	PCB Mount	Radial	- 50 C	+ 110 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 41kohm 3% 413ET-2 Semitec 1: ₡504,85 200In Stock	Mfr. Part # 413ET-2 Mouser Part # 954-413ET-2	Semitec	NTC Thermistors 41kohm 3% Learn More about Semitec atet	Datasheet	200In Stock	₡504,85 ₡385,66 ₡332,58 ₡320,61 View ₡273,24 ₡272,72 ₡237,33 ₡209,23 ₡191,53	Min.: 1 Mult.: 1	ET		41 kOhms		3 %	PCB Mount	Radial	- 40 C	+ 100 C	1.6 mm	4 mm			Bulk
NTC Thermistors 83kohm 3% 833ET-2 Semitec 1: ₡390,35 317In Stock	Mfr. Part # 833ET-2 Mouser Part # 954-833ET-2	Semitec	NTC Thermistors 83kohm 3% Learn More about Semitec atet	Datasheet	317In Stock	₡390,35 ₡296,67 ₡255,55 ₡246,70 View ₡210,27 ₡209,75 ₡182,16 ₡169,15 ₡154,06	Min.: 1 Mult.: 1	ET	4013 K	83 kOhms		3 %	PCB Mount	Radial	- 40 C	+ 100 C	1.6 mm	45 mm	1.6 mm	4 mm	Bulk
NTC Thermistors 100kohm 3% 104ET-1 Semitec 1: ₡629,76 170In Stock	Mfr. Part # 104ET-1 Mouser Part # 954-104ET-1	Semitec	NTC Thermistors 100kohm 3% Learn More about Semitec atet	Datasheet	170In Stock	₡629,76 ₡474,66 ₡379,42 ₡357,04 View ₡348,19 ₡292,50 ₡271,68 ₡249,82	Min.: 1 Mult.: 1	ET	4132 K	100 kOhms		3 %	PCB Mount	Radial	- 40 C	+ 90 C	1.5 mm	87 mm	1.5 mm	4 mm	Bulk
NTC Thermistors 232kohm 3% 234ET-2 Semitec 1: ₡390,35 9In Stock	Mfr. Part # 234ET-2 Mouser Part # 954-234ET-2	Semitec	NTC Thermistors 232kohm 3% Learn More about Semitec atet	Datasheet	9In Stock	₡390,35 ₡296,67 ₡255,55 ₡246,70 View ₡210,27 ₡209,75 ₡182,16 ₡169,15 ₡154,06	Min.: 1 Mult.: 1	ET	4274 K	232 kOhms	3.5 mW	3 %	PCB Mount	Radial	- 40 C	+ 100 C	1.6 mm	45 mm	1.6 mm	4 mm	Bulk
NTC Thermistors 10kohm 1% 103AT-2 Semitec 1: ₡301,87 127 532In Stock 128 200Expected 12/11/2026	Mfr. Part # 103AT-2 Mouser Part # 954-103AT-2	Semitec	NTC Thermistors 10kohm 1% Learn More about Semitec atet	Datasheet	127 532In Stock 128 200Expected 12/11/2026	₡301,87 ₡283,65 ₡264,92 ₡252,43 View ₡240,46 ₡216,51 ₡208,19 ₡190,49	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	PCB Mount	Radial	- 50 C	+ 110 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 10kohm 1% 103AT-11 Semitec 1: ₡1 197,07 3 624In Stock 8 000Expected 2/5/2027	Mfr. Part # 103AT-11 Mouser Part # 954-103AT-11	Semitec	NTC Thermistors 10kohm 1% Learn More about Semitec atet	Datasheet	3 624In Stock 8 000Expected 2/5/2027	₡1 197,07 ₡1 145,02 ₡1 077,36 ₡1 035,73 View ₡988,88 ₡890,00 ₡858,77 ₡837,95	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 105 C		600 mm	6 mm	5 mm	Bulk
NTC Thermistors 10kohm 1% Shape 1 30 AWG 150mm 103AT-4-10228 Semitec 1: ₡385,14 4 341In Stock	Mfr. Part # 103AT-4-10228 Mouser Part # 954-103AT-4-10228	Semitec	NTC Thermistors 10kohm 1% Shape 1 30 AWG 150mm Learn More about Semitec atet	Datasheet	4 341In Stock	₡385,14 ₡362,24 ₡351,31 ₡342,47 View ₡334,66 ₡287,82 ₡273,76 ₡251,38	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	150 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 10kohm 1% Shape 1 30 AWG 100mm 103AT-4-70261 Semitec 1: ₡364,33 31 828In Stock	Mfr. Part # 103AT-4-70261 Mouser Part # 954-103AT-4-70261	Semitec	NTC Thermistors 10kohm 1% Shape 1 30 AWG 100mm Learn More about Semitec atet	Datasheet	31 828In Stock	₡364,33 ₡344,03 ₡321,65 ₡306,55 View ₡292,50 ₡264,40 ₡253,99 ₡238,37	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	100 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 10kohm 1% Shape 1 30 AWG 175mm 103AT-4-70316 Semitec 1: ₡395,55 7 115In Stock 27 000On Order	Mfr. Part # 103AT-4-70316 Mouser Part # 954-103AT-4-70316	Semitec	NTC Thermistors 10kohm 1% Shape 1 30 AWG 175mm Learn More about Semitec atet	Datasheet	7 115In Stock 27 000On Order On Order Ship Dates Mfr. #: 103AT-4-70316 Stock: 7 115 Can Ship Immediately On Order: 8 200 Expected 11/13/2026 18 800 Expected 12/11/2026 Factory Lead-Time: 17 Weeks	₡395,55 ₡374,74 ₡350,79 ₡334,14 View ₡319,05 ₡288,34 ₡277,41 ₡255,03	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	175 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 10kohm 1% Shape 1 30 AWG 50mm 103AT-4-70374 Semitec 1: ₡374,74 25 097In Stock 32 800Expected 2/17/2027	Mfr. Part # 103AT-4-70374 Mouser Part # 954-103AT-4-70374	Semitec	NTC Thermistors 10kohm 1% Shape 1 30 AWG 50mm Learn More about Semitec atet	Datasheet	25 097In Stock 32 800Expected 2/17/2027	₡374,74 ₡352,36 ₡329,98 ₡313,84 View ₡299,79 ₡299,27 ₡267,00 ₡255,03 ₡233,69	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	50 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 10kohm 1% Shape 1 30 AWG 120mm 103AT-4-70378 Semitec 1: ₡353,92 5 060In Stock	Mfr. Part # 103AT-4-70378 Mouser Part # 954-103AT-4-70378	Semitec	NTC Thermistors 10kohm 1% Shape 1 30 AWG 120mm Learn More about Semitec atet	Datasheet	5 060In Stock	₡353,92 ₡335,18 ₡313,32 ₡298,75 View ₡285,22 ₡267,52 ₡257,11 ₡246,70 ₡226,40	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	120 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 1kohm 1% 102AT-2 Semitec 1: ₡364,33 22In Stock 400On Order	Mfr. Part # 102AT-2 Mouser Part # 954-102AT-2	Semitec	NTC Thermistors 1kohm 1% Learn More about Semitec atet	Datasheet	22In Stock 400On Order On Order Ship Dates Mfr. #: 102AT-2 Stock: 22 Can Ship Immediately On Order: 200 Expected 2/5/2027 200 Expected 2/15/2027 Factory Lead-Time: 19 Weeks	₡364,33 ₡343,51 ₡321,65 ₡306,03 View ₡292,50 ₡263,88 ₡253,47 ₡232,65	Min.: 1 Mult.: 1	AT	3100 K	1 kOhms		1 %	PCB Mount	Radial	- 50 C	+ 90 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 10kohm 3% 103ET-1 Semitec 1: ₡468,42 215In Stock	Mfr. Part # 103ET-1 Mouser Part # 954-103ET-1	Semitec	NTC Thermistors 10kohm 3% Learn More about Semitec atet	Datasheet	215In Stock	₡468,42 ₡441,35 ₡379,42 ₡357,04 View ₡348,19 ₡339,34 ₡282,61 ₡271,68 ₡249,82	Min.: 1 Mult.: 1	ET	3250 K	10 kOhms	3.5 mW	3 %	Off-Board	Wire Lead	- 40 C	+ 90 C	1.5 mm	87 mm	1.5 mm	4 mm	Bulk
NTC Thermistors 10kohm 3% 103ET-2 Semitec 1: ₡499,65 163In Stock	Mfr. Part # 103ET-2 Mouser Part # 954-103ET-2	Semitec	NTC Thermistors 10kohm 3% Learn More about Semitec atet	Datasheet	163In Stock	₡499,65 ₡385,14 ₡332,06 ₡320,09 View ₡272,72 ₡237,33 ₡209,23 ₡191,53	Min.: 1 Mult.: 1	ET	3250 K	10 kOhms	3.5 mW	3 %	Off-Board	Wire Lead	- 40 C	+ 90 C	1.6 mm	45 mm	1.6 mm	4 mm	Bulk
NTC Thermistors 2kohm 1% 202AT-2 Semitec 1: ₡499,65 1 450In Stock	Mfr. Part # 202AT-2 Mouser Part # 954-202AT-2	Semitec	NTC Thermistors 2kohm 1% Learn More about Semitec atet	Datasheet	1 450In Stock	₡499,65 ₡382,54 ₡329,45 ₡318,00 View ₡271,16 ₡235,77 ₡213,91 ₡195,69	Min.: 1 Mult.: 1	AT	3182 K	2 kOhms	10 mW	1 %	PCB Mount	Radial	- 50 C	+ 90 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 4kohm 3% 402ET-1 Semitec 1: ₡468,42 578In Stock	Mfr. Part # 402ET-1 Mouser Part # 954-402ET-1	Semitec	NTC Thermistors 4kohm 3% Learn More about Semitec atet	Datasheet	578In Stock	₡468,42 ₡396,07 ₡350,79 ₡334,14 View ₡319,05 ₡288,86 ₡239,93 ₡220,16	Min.: 1 Mult.: 1	ET	3100 K	4 kOhms	3.5 mW	3 %	PCB Mount	Radial	- 40 C	+ 90 C	1.5 mm	87 mm	1.5 mm	4 mm	Bulk
NTC Thermistors 5kohm 1% 502AT-2 Semitec 1: ₡301,87 981In Stock	Mfr. Part # 502AT-2 Mouser Part # 954-502AT-2	Semitec	NTC Thermistors 5kohm 1% Learn More about Semitec atet	Datasheet	981In Stock	₡301,87 ₡283,65 ₡264,92 ₡252,43 View ₡240,46 ₡216,51 ₡208,19 ₡190,49	Min.: 1 Mult.: 1	AT	3324 K	5 kOhms	10 mW	1 %	PCB Mount	Radial	- 50 C	+ 110 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 50kohm 3% 503ET-1 Semitec 1: ₡629,76 388In Stock	Mfr. Part # 503ET-1 Mouser Part # 954-503ET-1	Semitec	NTC Thermistors 50kohm 3% Learn More about Semitec atet	Datasheet	388In Stock	₡629,76 ₡474,66 ₡379,42 ₡357,04 View ₡348,19 ₡292,50 ₡271,68 ₡249,82	Min.: 1 Mult.: 1	ET	4055 K	50 kOhms	3.5 mW	3 %	PCB Mount	Radial	- 40 C	+ 100 C	1.5 mm	87 mm	1.5 mm	4 mm	Bulk
NTC Thermistors 10kohm 1% Shape1 30 AWG 75mm 103AT-4-80025 Semitec 1: ₡431,99 18 884On Order	Mfr. Part # 103AT-4-80025 Mouser Part # 954-103AT-4-80025	Semitec	NTC Thermistors 10kohm 1% Shape1 30 AWG 75mm Learn More about Semitec atet	Datasheet	18 884On Order On Order Ship Dates Mfr. #: 103AT-4-80025 Stock: 0 On Order: 8 284 Expected 2/15/2027 10 600 Expected 3/5/2027 Factory Lead-Time: 20 Weeks	₡431,99 ₡409,09 ₡348,71 ₡327,89 View ₡319,57 ₡314,36 ₡268,56 ₡251,38 ₡230,57	Min.: 1 Mult.: 1	AT	3435 K	10 kOhms		1 %	Off-Board	Wire Lead	- 50 C	+ 90 C	2.5 mm	75 mm	2.5 mm	8 mm	Bulk
NTC Thermistors 10kohm 1% 103AT-5-1P-FT Semitec 1: ₡286,26 13 798On Order	Mfr. Part # 103AT-5-1P-FT Mouser Part # 954-103AT-5-1P-FT	Semitec	NTC Thermistors 10kohm 1% Learn More about Semitec atet	Datasheet	13 798On Order On Order Ship Dates Mfr. #: 103AT-5-1P-FT Stock: 0 On Order: 8 798 Expected 11/12/2026 5 000 Expected 11/13/2026 Factory Lead-Time: 22 Weeks	Cut Tape ₡286,26 ₡270,64 ₡252,95 ₡240,46 View Reel ₡185,29 ₡229,00 ₡206,62 ₡198,30 ₡185,29	Min.: 1 Mult.: 1 : 2 500		3435 K	10 kOhms		1 %	PCB Mount	Radial	- 50 C	+ 110 C	2.5 mm	30 mm	3.5 mm	2.4 mm	Reel, Cut Tape
NTC Thermistors 100kohm 1% 104AT-2 Semitec 1: ₡499,65 25 097On Order	Mfr. Part # 104AT-2 Mouser Part # 954-104AT-2	Semitec	NTC Thermistors 100kohm 1% Learn More about Semitec atet	Datasheet	25 097On Order On Order Ship Dates Mfr. #: 104AT-2 Stock: 0 On Order: 7 897 Expected 12/25/2026 17 200 Expected 1/8/2027 Factory Lead-Time: 19 Weeks	₡499,65 ₡386,19 ₡332,58 ₡321,13 View ₡273,24 ₡237,85 ₡209,23 ₡192,05	Min.: 1 Mult.: 1	AT	4665 K	100 kOhms	10 mW	1 %	PCB Mount	Radial	- 50 C	+ 110 C		17 mm	3.7 mm	2.4 mm	Bulk
NTC Thermistors 30kohm 3% 303ET-2 Semitec 1: ₡426,78 100Expected 2/2/2027	Mfr. Part # 303ET-2 Mouser Part # 954-303ET-2	Semitec	NTC Thermistors 30kohm 3% Learn More about Semitec atet	Datasheet	100Expected 2/2/2027	₡426,78 ₡325,29 ₡280,01 ₡270,12 View ₡230,05 ₡229,53 ₡199,86 ₡183,72 ₡166,03	Min.: 1 Mult.: 1	ET		30 kOhms		3 %	PCB Mount	Radial	- 40 C	+ 100 C	1.6 mm	4 mm			Bulk
NTC Thermistors 4kohm 3% 402ET-2 Semitec 1: ₡447,60 399Expected 12/11/2026	Mfr. Part # 402ET-2 Mouser Part # 954-402ET-2	Semitec	NTC Thermistors 4kohm 3% Learn More about Semitec atet	Datasheet	399Expected 12/11/2026	₡447,60 ₡422,62 ₡361,72 ₡339,86 View ₡331,54 ₡324,77 ₡270,64 ₡260,23 ₡238,89	Min.: 1 Mult.: 1	ET	3100 K	4 kOhms	3.5 mW	3 %	PCB Mount	Radial	- 40 C	+ 90 C	1.6 mm	45 mm	1.6 mm	4 mm	Bulk

AT & ET Thermistors

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AT & ET Thermistors

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