temperature sensing muRata NCP15WM154J03RC NTC thermistors for precise thermal management solutions

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Product Description

NTC Thermistors for Temperature Sensor and Compensation

This catalog details NTC thermistors designed for temperature sensing and compensation applications. These components offer precise temperature measurement and are suitable for various electronic circuits requiring accurate thermal management.

Product Attributes

Brand: MURATA
Compliance: EU RoHS Compliant
Document Date: Aug. 3, 2018

Technical Specifications

Product ID	Series	Type	Size (L x W)	Resistance ()	Resistance Tolerance	Temperature Characteristics (B-Constant)	Lead Wire Type	Shape of Lead Wire	Dimensions (Full Length)	Packaging
NC	Chip Type	Standard	0.60 x 0.30mm (0201)	102 (1k) - 104 (100k)	0.5%, 1%, 3%, 5%	31003149K, 32503299K, 33503399K, 35003549K, 36503699K, 39003949K, 39503999K, 40504099K, 41504199K, 42504299K, 44504499K, 45004549K	N/A	N/A	N/A	Plastic Taping 4mm Pitch (4000 pcs), Paper Taping 4mm Pitch (4000 pcs), Paper Taping 2mm Pitch (10000 pcs), Paper Taping 2mm Pitch (15000 pcs)
NC	Chip Type	Automotive	1.00 x 0.50mm (0402)	102 (1k) - 104 (100k)	0.5%, 1%, 3%, 5%	31003149K, 32503299K, 33503399K, 35003549K, 36503699K, 39003949K, 39503999K, 40504099K, 41504199K, 42504299K, 44504499K, 45004549K	N/A	N/A	N/A	Plastic Taping 4mm Pitch (4000 pcs), Paper Taping 4mm Pitch (4000 pcs), Paper Taping 2mm Pitch (10000 pcs), Paper Taping 2mm Pitch (15000 pcs)
NC	Chip Type	Standard	1.60 x 0.80mm (0603)	102 (1k) - 104 (100k)	0.5%, 1%, 3%, 5%	31003149K, 32503299K, 33503399K, 35003549K, 36503699K, 39003949K, 39503999K, 40504099K, 41504199K, 42504299K, 44504499K, 45004549K	N/A	N/A	N/A	Plastic Taping 4mm Pitch (4000 pcs), Paper Taping 4mm Pitch (4000 pcs), Paper Taping 2mm Pitch (10000 pcs), Paper Taping 2mm Pitch (15000 pcs)
NC	Chip Type	Standard	2.00 x 1.25mm (0805)	102 (1k) - 104 (100k)	0.5%, 1%, 3%, 5%	31003149K, 32503299K, 33503399K, 35003549K, 36503699K, 39003949K, 39503999K, 40504099K, 41504199K, 42504299K, 44504499K, 45004549K	N/A	N/A	N/A	Plastic Taping 4mm Pitch (4000 pcs), Paper Taping 4mm Pitch (4000 pcs), Paper Taping 2mm Pitch (10000 pcs), Paper Taping 2mm Pitch (15000 pcs)
NXF	Thermo String Type	Standard (Copper Wire)	N/A	103 (10k) - 104 (100k)	1%	33503399K, 39003949K, 40504099K, 42504299K	0.3mm Copper Lead Wire with Polyurethane Coat	Twisted Lead Wire Type	25mm - 150mm	Bulk
NXF	Thermo String Type	Standard (Nickel Copper Wire)	N/A	103 (10k) - 104 (100k)	1%	33503399K, 39003949K, 40504099K, 42504299K	0.3mm Nickel Copper Lead Wire with Enamel Coat	Twisted Lead Wire Type	25mm - 150mm	Bulk
NXR	Lead Type	Standard	1.00 x 0.50mm (0402)	202 (2.0k) - 104 (100k)	1%, 3%, 5%	33503399K, 35003549K, 39003949K, 40504099K, 42504299K	0.4mm Copper-clad Fe Wire, Tinned	Lead Spacing 2.5mm, 5.0mm	10mm - 50mm	Ammo Pack Taping, Bulk
NXR	Lead Type	Lead Insulation Type	1.00 x 0.50mm (0402)	202 (2.0k) - 104 (100k)	1%, 3%, 5%	33503399K, 35003549K, 39003949K, 40504099K, 42504299K	0.46mm Cu Wire with Coat	Lead Spacing 2.5mm (Insulation Type)	10mm - 50mm	Ammo Pack Taping, Bulk

Basic Characteristics

Zero-power Resistance: R

B-Constant: R=R0 expB (1/T1/T0)

Thermal Dissipation Constant: P=C (T2T1), where C is the thermal dissipation constant (mW/C).

Thermal Time Constant: The period in which the thermistor's temperature will change 63.2% of its temperature difference from ambient temperature.

Performance Item Details:

Resistance vs. Temperature: Measured by zero-power in specified ambient temperature.
Maximum Operating Current: Possible to keep the thermistor's temperature rising max. 0.1C.
Thermal Dissipation Constant: Shows necessary electric power that Thermistor's temperature rises 1C by self-heating. Calculated by the formula P/C.
B-Constant: Calculated between two specified ambient temperatures by the formula B = ln(R/R0) / (1/T1/T0). T and T0 are absolute temperatures (K).