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Specifications
Resistance @ 25℃:
47kΩ
Power(Watts):
100mW
Operating Temperature:
-40℃~+125℃
Tolerance:
±5%
B Constant (25℃/100℃):
4131K
Steady State Current (Max):
140uA
B Constant (25℃/85℃):
4108K
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
4050K
B Constant Tolerance:
±2%
Mfr. Part #:
NCP18WB473J03RB
Package:
0603
Key Attributes
Model Number:
NCP18WB473J03RB
Product Description
NTC Thermistors
This catalog details NTC thermistors for temperature sensing, compensation, and inrush current suppression. It covers chip types, thermo string types, and lead types, offering various specifications for different applications. Please read rating and caution notes to prevent issues during storage, operation, soldering, mounting, and handling. All products in this catalog comply with EU RoHS directives.
Product Attributes
- Brand: Murata
- Certifications: EU RoHS Compliant
Technical Specifications
| Product Type | Part Numbering Structure | Key Specifications | Example Part Number |
| NTC Thermistors for Temp. Sensor and Compensation Chip Type | qProduct ID wSeries yResistance Tolerance uIndividual Specifications | Dimensions (LxW): 0201 (0.6x0.3mm), 0402 (1.0x0.5mm), 0603 (1.6x0.8mm), 0805 (2.0x1.25mm) Resistance Tolerance: 0.5%, 1%, 3%, 5% Temperature Characteristics (Nominal B-Constant): Various ranges available (e.g., 3100-3149K, 3350-3399K, 4250-4299K) | NCJEPFXH10303RB |
| NTC Thermistors for Temperature Sensor Thermo String Type | qProduct ID wIndividual Specifications uLead Wire Type iShape of the Lead Wire | Lead Wire Type: 0.3mm Copper Lead Wire with Polyurethane Coat Chip Dimensions (LxT): 0402 (1.0x0.5mm) Resistance: e.g., 10k (103) Resistance Tolerance: 1% (F) Temperature Characteristics (Nominal B-Constant): e.g., 3350-3399K (XH) | NXFA103FXH152025B |
| NTC Thermistor for Temperature Sensor/Lead Type | qProduct ID wIndividual Specifications uLead Wire Type iShape of the Lead Wire | Lead Wire Type: 0.4mm Copper-clad Fe Wire, Tinned (Standard), 0.46mm Cu Wire with Coat (Insulation Type) Chip Dimensions (LxT): e.g., 1.00 x 0.50mm (15) Resistance: e.g., 10k (103) Resistance Tolerance: 1% (F), 3% (E), 5% (J) Temperature Characteristics (Nominal B-Constant): e.g., 3350-3399K (XH), 4250-4299K (WB) | NXRA103FXH151040B |
| NTC Thermistors for Inrush Current Suppression Lead Type | qProduct ID wSeries rResistance Tolerance tIndividual Specifications | Resistance: e.g., 3 (3R0), 10 (100) Resistance Tolerance: 15% (DK) Body Diameter: e.g., 7mm, 9mm (BM), 10mm, 13mm (DN), 18mm, 22mm (PA7) | NTBMDK100PA7 |
Formulae:
1. Zero-power Resistance of Thermistor: R=R0 expB (1/T-1/T0) ..............(1)
2. B-Constant: B=Rn (R/R0) / (1/T-1/T0) ............(2)
3. Thermal Dissipation Constant: P=C (T2-T1) ..................(3)
2304140030_muRata-NCP18WB473J03RB_C86142.pdf
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