RN73C2A4K02B TE Connectivity Resistor (Resistor Chip) In Stock
TE Connectivity RN73C2A4K02B is a precision thin-film surface-mount resistor with 4.02 kohm resistance, ±0.1% tolerance, and an ultra-low ±10 ppm/°C temperature coefficient. Rated at 0.1 W power dissipation in an 0805 SMD package, it delivers long-term stability for precision measurement and instrumentation circuit designs. Available from stock with worldwide shipping.
- Manufacturer
- TE Connectivity
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- RN73C2A4K02B Datasheet PDF
- Category
- Resistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of RN73C2A4K02B?
- 4.02 kohm thin-film resistor with ±0.1% precision tolerance for high-accuracy voltage divider and bridge sensing circuits
- Industry-leading ±10 ppm/°C temperature coefficient ensures minimal resistance drift over wide operating temperature extremes
- 0805 SMD package rated at 0.1 W supports automated PCB assembly in medical, instrumentation, and test equipment designs
What is RN73C2A4K02B used for?
The RN73C2A4K02B is ideal for precision voltage dividers, Wheatstone bridge sensors, and op-amp feedback networks in medical measurement instruments and data acquisition systems where 4.02 kohm at ±0.1% and ±10 ppm/°C stability are essential. Its ultra-low temperature coefficient minimizes resistance drift across significant thermal variation, preserving measurement accuracy throughout the full operating range. The 0805 footprint is compatible with standard automated surface-mount assembly for high-volume precision PCB production.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the RN73C2A4K02B datasheet?
RN73C2A4K02B Datasheet DownloadOfficial datasheet from TE Connectivity
What are equivalent replacements for RN73C2A4K02B?
Compatible alternatives and drop-in replacements for RN73C2A4K02B:
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Frequently Asked Questions
How does the ±10 ppm/°C temperature coefficient of the RN73C2A4K02B benefit precision measurement designs?
The RN73C2A4K02B provides a temperature coefficient of only ±10 ppm/°C, meaning its 4.02 kohm resistance changes by at most 0.001% per degree Celsius. This ultra-low drift maintains the accuracy of precision voltage dividers, Wheatstone bridge sensors, and op-amp feedback networks across industrial operating temperatures from -55°C to +155°C, far outperforming standard thick-film resistors rated at ±100 ppm/°C.
What maximum power dissipation must designers observe to preserve the RN73C2A4K02B accuracy rating?
The RN73C2A4K02B is rated for a maximum continuous power dissipation of 0.1 W (100 mW) in its 0805 package. Exceeding this limit causes self-heating that degrades the ±10 ppm/°C temperature coefficient and ±0.1% tolerance, which is essential for maintaining sub-0.01% gain accuracy in Wheatstone bridge sensors and precision ADC reference divider networks.
In which precision circuit configurations is the 4.02 kohm RN73C2A4K02B most commonly specified?
The 4.02 kohm value of the RN73C2A4K02B is an E96-series standard used in precision resistor ladder networks, ADC input scaling dividers, and transimpedance amplifier feedback stages that require exact gain ratios. Its ±0.1% tolerance and ±10 ppm/°C temperature coefficient keep gain errors below 0.1% across -55°C to +155°C, making it a preferred choice in medical analyzers and high-accuracy test instrumentation.
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About TE Connectivity
TE Connectivity is a leading electronic component manufacturer. FindMyChip sources TE Connectivity ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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