NTC Thermistors - R44E Series
This document details the R44E series of NTC thermistors designed for temperature sensing and compensation applications. These components offer precise temperature measurement and control capabilities.
Product Attributes
- Brand: MURATA
- Certifications: EU RoHS Compliant
Technical Specifications
| Product ID | Series | Dimensions (L x W) | Resistance Tolerance | Temperature Characteristics (Nominal B-Constant) | Packaging | Example Part Number |
| NC | Chip Type | 0.60 x 0.30mm (0201) | 0.5% (D), 1% (F), 3% (E), 5% (J) | 31003149K (XC), 32503299K (XF), 33503399K (XH), 35003549K (XM), 36503699K (XQ), 39003949K (XV), 39503999K (XW), 40504099K (WB), 41504199K (WD), 42504299K (WF), 44504499K (WL), 45004549K (WM) | Plastic Taping 4mm Pitch (4000 pcs.) (RA), Paper Taping 4mm Pitch (4000 pcs.) (RB), Paper Taping 2mm Pitch (10000 pcs.) (RC), Paper Taping 2mm Pitch (15000 pcs.) (RL) | NC D 03 XH 103 RB |
| NC | Chip Type | 1.00 x 0.50mm (0402) | 0.5% (D), 1% (F), 3% (E), 5% (J) | 31003149K (XC), 32503299K (XF), 33503399K (XH), 35003549K (XM), 36503699K (XQ), 39003949K (XV), 39503999K (XW), 40504099K (WB), 41504199K (WD), 42504299K (WF), 44504499K (WL), 45004549K (WM) | Plastic Taping 4mm Pitch (4000 pcs.) (RA), Paper Taping 4mm Pitch (4000 pcs.) (RB), Paper Taping 2mm Pitch (10000 pcs.) (RC), Paper Taping 2mm Pitch (15000 pcs.) (RL) | NC F 15 XH 103 RB |
| NC | Chip Type | 1.60 x 0.80mm (0603) | 0.5% (D), 1% (F), 3% (E), 5% (J) | 31003149K (XC), 32503299K (XF), 33503399K (XH), 35003549K (XM), 36503699K (XQ), 39003949K (XV), 39503999K (XW), 40504099K (WB), 41504199K (WD), 42504299K (WF), 44504499K (WL), 45004549K (WM) | Plastic Taping 4mm Pitch (4000 pcs.) (RA), Paper Taping 4mm Pitch (4000 pcs.) (RB), Paper Taping 2mm Pitch (10000 pcs.) (RC), Paper Taping 2mm Pitch (15000 pcs.) (RL) | NC J 18 XH 103 RB |
| NC | Chip Type | 2.00 x 1.25mm (0805) | 0.5% (D), 1% (F), 3% (E), 5% (J) | 31003149K (XC), 32503299K (XF), 33503399K (XH), 35003549K (XM), 36503699K (XQ), 39003949K (XV), 39503999K (XW), 40504099K (WB), 41504199K (WD), 42504299K (WF), 44504499K (WL), 45004549K (WM) | Plastic Taping 4mm Pitch (4000 pcs.) (RA), Paper Taping 4mm Pitch (4000 pcs.) (RB), Paper Taping 2mm Pitch (10000 pcs.) (RC), Paper Taping 2mm Pitch (15000 pcs.) (RL) | NC P 21 XH 103 RB |
| NXF | Thermo String Type | Chip Dimensions: 1.00 x 0.50mm (0402) | 1% (F), 3% (E) | 33503399K (XH), 35003549K (XM), 39003949K (XV), 40504099K (WB), 42504299K (WF) | Bulk (B) | NXF A 103 XH F A 025 B |
| NXR | Lead Type | Chip Dimensions: 1.00 x 0.50mm (0402) | 1% (F), 3% (E), 5% (J) | 33503399K (XH), 35003549K (XM), 39003949K (XV), 40504099K (WB), 42504299K (WF) | Ammo Pack Taping (A), Bulk (B) | NXR T 103 XH F 1 040 B |
Basic Characteristics
Zero-power Resistance: R
B-Constant: R=R0 expB (1/T1/T0)
Thermal Dissipation Constant: P=C (T2T1)
Thermal Time Constant: Period in which the thermistor's temperature will change 63.2% of its temperature difference from ambient temperature.
Performance Item: Resistance vs. Temperature Characteristics, R/R25
Conditions: Measured by zero-power in specified ambient temperature. Maximum Operating Current: It is 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. B-Constant: Calculated between two specified ambient temperatures.
2410010232_muRata-NCP15WM224E03RC_C914150.pdf
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