RN73C2A12K7B TE Connectivity Resistor (Resistor Chip) In Stock
TE Connectivity RN73C2A12K7B is a thin film precision resistor with 12.7 kΩ, ±0.1% tolerance, and ±10 ppm/°C TCR in an 0805 SMD package rated at 0.1 W. Ideal for instrumentation, metrology, and precision analog front-end designs requiring stable resistance over temperature. Available worldwide from authorized distributors with fast shipping.
- Manufacturer
- TE Connectivity
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- RN73C2A12K7B Datasheet PDF
- Category
- Resistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of RN73C2A12K7B?
- 12.7 kΩ thin film construction with ±0.1% tolerance for ultra-precise resistive network design
- ±10 ppm/°C temperature coefficient ensures highly stable resistance across wide operating temperature ranges
- 0805 SMD package rated at 0.1 W compatible with automated lead-free SMT reflow assembly
What is RN73C2A12K7B used for?
The RN73C2A12K7B is engineered for precision analog circuits requiring stable resistance over temperature, including instrumentation amplifiers, Wheatstone bridge networks, and voltage reference dividers in test and measurement equipment. Its ±0.1% tolerance and ±10 ppm/°C TCR minimize drift in high-accuracy analog front ends and data acquisition systems operating across a wide temperature range. The 0805 SMD form factor supports compact PCB layouts in medical diagnostics, metrology, and industrial sensing applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the RN73C2A12K7B datasheet?
RN73C2A12K7B Datasheet DownloadOfficial datasheet from TE Connectivity
What are equivalent replacements for RN73C2A12K7B?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What tolerance and temperature coefficient does RN73C2A12K7B provide for precision analog designs?
RN73C2A12K7B provides ±0.1% initial tolerance and a ±10 ppm/°C temperature coefficient of resistance (TCR) at 12.7 kΩ, ensuring minimal resistance drift over temperature. These tight specifications suit precision bridge networks, instrumentation amplifiers, and voltage dividers in medical, industrial, and test equipment where resistance accuracy is critical.
How does RN73C2A12K7B perform in Wheatstone bridge and strain gauge measurement circuits?
With 12.7 kΩ resistance, ±0.1% tolerance, and a ±10 ppm/°C TCR, the RN73C2A12K7B minimizes bridge imbalance from resistor mismatch or temperature drift. This makes it ideal for four-arm Wheatstone bridges in strain gauge, pressure, and force measurement systems that must deliver accurate differential outputs from -55°C to +125°C without significant gain error.
What power rating and reflow assembly temperature does RN73C2A12K7B support?
RN73C2A12K7B is rated at 0.1 W power dissipation in the 0805 SMD package and is compatible with lead-free reflow soldering at a peak temperature of 260°C. The thin film construction maintains its ±0.1% tolerance through the reflow profile, ensuring assembled PCB performance meets design targets in precision instrumentation, industrial control, and medical diagnostic circuits.
When should RN73C2A12K7B be selected over a standard thick film resistor?
RN73C2A12K7B should replace thick film alternatives when signal conditioning demands resistance accuracy within ±0.1% and drift below ±10 ppm/°C at 12.7 kΩ. Standard thick film resistors typically carry only ±1% tolerance and up to 100 ppm/°C TCR, creating unacceptable gain error in precision op-amp stages, low-noise ADC front ends, and medical measurement instruments requiring stable 0.1 W operation.
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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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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