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Specifications
Resistance @ 25℃:
33kΩ
Power(Watts):
200mW
Operating Temperature:
-40℃~+125℃
B Constant (25℃/100℃):
4131K
Steady State Current (Max):
240uA
B Constant (25℃/85℃):
4108K
B Constant (25℃/75℃):
-
B Constant (25℃/50℃):
4050K
B Constant Tolerance:
±3%
Mfr. Part #:
NCP21WB333J03RA
Package:
0805
Key Attributes
Model Number:
NCP21WB333J03RA
Product Description
Product Overview
The NCP21WB333J03RA is a thermistor from Murata, designed for temperature compensation and sensing applications. It offers excellent solderability, high stability, and high accuracy in resistance and B-constant. Suitable for consumer products and general electric circuits, it is recognized by UL/cUL.
Product Attributes
- Brand: Murata
- Product Number: NCP21WB333J03RA
- Certifications: UL/cUL (UL1434, File No.E137188)
- Lead-free: Yes
Technical Specifications
| Item | Value |
|---|---|
| Resistance (25) | 33k |
| Resistance Tolerance (25) | 5% |
| B-Constant (25/50) | 4050K |
| B-Constant Tolerance (25/50) | 3% |
| B-Constant (25/80) (Standard) | 4101K |
| B-Constant (25/85) (Standard) | 4108K |
| B-Constant (25/100) (Standard) | 4131K |
| Allowable Operating Current (25) | 0.24mA |
| Rated Power (25) | 200.0mW |
| Thermal Dissipation Constant (25) | 2mW/ |
| Operating Temperature Range | -40 to 125 |
| Dimensions (mm) | 2.0x1.25mm |
| Dimensions (inch) | 0.8x0.5inch |
| Shape | SMD |
| Mass | 0.0094g |
| Packaging | 180mm embossed tape |
| Minimum Order Unit | 4000 |
Applications
- Temperature compensation for transistor, IC and crystal oscillator in mobile communications
- Temperature sensor for rechargeable batteries
- Temperature compensation of LCD
- Temperature compensation in general use of electric circuits
Features
- Excellent solderability and high stability in environment
- Excellent long time aging stability
- High accuracy in resistance and B-constant
- Flow / Reflow soldering possible
- Same B-Constant in the same resistance in the three sizes (0805 size / 0603 size / 0402 size) Easy to use smaller size in the circuits
- Lead is not contained in the product.
- NCP series are recognized by UL/cUL (UL1434, File No.E137188).
Note: This datasheet may not be the latest version. Please download the latest datasheet for NCP21WB333J03RA from Murata's official website: http://www.murata.com/zh-cn/products/productdetail?partno=NCP21WB333J03RA
1810201210_muRata-NCP21WB333J03RA_C91638.pdf
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