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TT-DO Thermistors

CTS Electronic Components TT-DO Thermistors are DO-35, glass-encapsulated Negative Temperature Coefficient (NTC) thermistors featuring excellent moisture protection. These thermistors are available in industry-standard characteristics and tolerance versions. The TT-DO thermistors are available with ±1% point-matched tolerance at custom temperature points or as curve-matched ±0.2°C from 0°C to 70°C for standard RT. These thermistors also offer dumet leads that are suitable for soldering or welding. The TT-DO thermistors are available in bulk or tape packaging. Typical applications include ambient temperature sensing, control and compensation, liquid or gas-temperature control and monitoring, home appliance sensors, air conditioning, and instrumentation.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Series	B Parameter	Resistance	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
	NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-8 CTS Electronic Components 1: $1.31 A tariff of 8% may be applied if shipping to the United States. 417In Stock New Product	Mfr. Part # TTDO-10KC3-8 Mouser Part # 774-TTDO10KC38 New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	417In Stock	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	10 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-6-5% CTS Electronic Components 1: $1.19 A tariff of 8% may be applied if shipping to the United States. 487In Stock New Product	Mfr. Part # TTDO-10KC3-6-5% Mouser Part # 774-TTDO10KC365% New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	487In Stock	$1.19 $1.02 $0.968 $0.879 View $0.873 $0.741 $0.707 $0.67 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	10 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-14 CTS Electronic Components 1: $5.32 A tariff of 8% may be applied if shipping to the United States. 500In Stock New Product	Mfr. Part # TTDO-10KC3-14 Mouser Part # 774-TTDO10KC314 New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500In Stock	$5.32 $4.59 $4.37 $4.16 View $3.98 $3.37 $3.26 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	10 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 100k, DO-35 glass NTC, B3977 TTDO-100KC3-5 CTS Electronic Components 1: $1.31 A tariff of 8% may be applied if shipping to the United States. 500In Stock New Product	Mfr. Part # TTDO-100KC3-5 Mouser Part # 774-TTDO100KC35 New Product	CTS Electronic Components	NTC Thermistors 100k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500In Stock	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	100 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC8-3-1% CTS Electronic Components 1: $1.31 A tariff of 8% may be applied if shipping to the United States. 500In Stock New Product	Mfr. Part # TTDO-10KC8-3-1% Mouser Part # 774-TTDO10KC831% New Product	CTS Electronic Components	NTC Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500In Stock	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	10 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 4.7k, DO-35 glass NTC, B3977 TTDO-4.7KC7-2 CTS Electronic Components 1: $1.31 A tariff of 8% may be applied if shipping to the United States. 500In Stock New Product	Mfr. Part # TTDO-4.7KC7-2 Mouser Part # 774-TTDO4.7KC72 New Product	CTS Electronic Components	NTC Thermistors 4.7k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500In Stock	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	4.7 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 200k, DO-35 glass NTC, B3977 TT-DO-200KC6-2 CTS Electronic Components 1: $1.31 A tariff of 30% may be applied if shipping to the United States. 500Expected 11/12/2026 New Product	Mfr. Part # TT-DO-200KC6-2 Mouser Part # 774-TTDO200KC62 New Product	CTS Electronic Components	NTC Thermistors 200k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500Expected 11/12/2026	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	200 kOhms	- 40 C	+ 250 C	Bulk
	NTC Thermistors 2k, DO-35 glass NTC, B3977 TTDO-2KC2H-1 CTS Electronic Components 1: $1.31 A tariff of 30% may be applied if shipping to the United States. 500Expected 11/12/2026 New Product	Mfr. Part # TTDO-2KC2H-1 Mouser Part # 774-TTDO2KC2H1 New Product	CTS Electronic Components	NTC Thermistors 2k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	500Expected 11/12/2026	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.845 $0.788 $0.747 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1			TTDO	3977 K	2 kOhms	- 40 C	+ 250 C	Bulk