NTC Thermistors

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Resistance in Ohms @ 25°C	Resistance Tolerance	B Value Tolerance	B0/50	B25/50	B25/75	B25/85	B25/100	Operating Temperature	Power - Max	Length - Lead Wire	Mounting Type	Package / Case
LR103G0J THERMISTOR NTC 10KOHM 3750K 1206 Littelfuse Inc.	2,643 In Stock	1 : $1.49000 Bulk	LR	Bulk	Active	10k	±5%	-	-	-	-	3750K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR104R0J THERM NTC 100KOHM 4250K 1206 Littelfuse Inc.	0 In Stock	250 : $1.07356 Bulk	LR	Bulk	Obsolete	100k	±5%	-	-	-	-	4250K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR252L0J THERM NTC 2.5KOHM 4100K 1206 Littelfuse Inc.	0 In Stock	250 : $1.07356 Bulk	LR	Bulk	Obsolete	2.5k	±5%	-	-	-	-	4100K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR502F0J THERMISTOR NTC 5KOHM 3550K 1206 Littelfuse Inc.	0 In Stock	250 : $1.07356 Bulk	LR	Bulk	Obsolete	5k	±5%	-	-	-	-	3550K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR253K0F THERMISTOR 25KOHM 1206 1% Littelfuse Inc.	0 In Stock	250 : $1.69232 Bulk	LR	Bulk	Obsolete	25k	±1%	-	-	-	-	-	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR102D0J THERMISTOR NTC 1KOHM 3250K 1206 Littelfuse Inc.	0 In Stock	Active	LR	Bulk	Active	1k	±5%	-	-	-	-	3250K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR204R0J THERM NTC 200KOHM 4250K 1206 Littelfuse Inc.	0 In Stock	Active	LR	Bulk	Active	200k	±5%	-	-	-	-	4250K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)
LR503L0J THERMISTOR NTC 50KOHM 4000K 1206 Littelfuse Inc.	0 In Stock	Active	LR	Bulk	Active	50k	±5%	-	-	-	-	4000K	-	-40°C ~ 125°C	400 mW	-	Surface Mount	1206 (3216 Metric)

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NTC Thermistors, or Negative Temperature Coefficient Thermistors, are devices that change resistance in response to changes in temperature. With negative coefficient parts, their resistance decreases as their temperature increases. They are typically defined with variables such as the parts base resistance value at a set temperature, usually 25°C, and B values, the performance curve of temperature vs. resistance calibrated between two fixed points.