CPF0603B5K1E TE Connectivity Resistor (Resistor Chip) In Stock
CPF0603B5K1E is a TE Connectivity 5.1 kΩ precision thin film 0603 resistor, ±0.1% tolerance, ±25 ppm/°C, 0.063 W. Supports accurate voltage dividers, sensor circuits, and tight-tolerance filter networks. From stock with worldwide shipping.
- Manufacturer
- TE Connectivity
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- CPF0603B5K1E Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 5.1 kΩ resistance with ±0.1% tolerance enables highly accurate resistive divider, reference, and feedback circuits
- Low ±25 ppm/°C temperature coefficient ensures stable resistance across wide operating temperature ranges
- Compact 0603 SMT package (1.6 mm × 0.8 mm) supports high-density PCB layouts with automated assembly
- Thin film construction delivers superior low-noise performance and long-term stability versus thick film alternatives
Applications
The CPF0603B5K1E is used in precision instrumentation, medical equipment, and industrial control systems where stable 5.1 kΩ resistance is critical for voltage dividers, op-amp feedback networks, and current-sensing circuits. Its ±0.1% tolerance and ±25 ppm/°C temperature coefficient make it well suited for analog front-end designs in data acquisition systems and signal conditioning modules. The compact 0603 SMT footprint supports dense PCB layouts in space-constrained electronic assemblies requiring high accuracy.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Additional Feature | PRECISION |
| Construction | Rectangular |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.45mm |
| Package Length | 1.55mm |
| Package Style | SMT |
| Package Width | 0.8mm |
| Packing Method | TR, PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.063W |
| Rated Temperature | 70°C |
| Resistance | 5100Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 0603 |
| Surface Mount | YES |
| Technology | THIN FILM |
| Temperature Coefficient | 25ppm/°C |
| Terminal Shape | WRAPAROUND |
| Tolerance | 0.1% |
| Working Voltage | 50V |
| Package | Resistor Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the ±25 ppm/°C TCR of CPF0603B5K1E affect resistance stability in precision analog circuits?
With a ±25 ppm/°C temperature coefficient, the CPF0603B5K1E 5.1 kΩ resistor stays stable across its full -55°C to 155°C operating range, keeping voltage divider and op-amp feedback ratios accurate to within 0.0025% per degree—essential for precision instrumentation and sensor signal conditioning.
When should designers choose the ±0.1% tolerance of CPF0603B5K1E over a standard 1% resistor?
Precision circuits such as Wheatstone bridge sensors, DAC attenuators, and op-amp feedback paths require the ±0.1% tolerance of CPF0603B5K1E to minimize gain error. Standard 1% resistors introduce up to 10× more resistance deviation across the 5.1 kΩ value, degrading measurement accuracy in tightly calibrated analog designs.
What power level does CPF0603B5K1E handle and what current does that allow through the 5.1 kΩ resistance?
The CPF0603B5K1E is rated at 0.063 W (63 mW) maximum in its 0603 SMT package, which allows a continuous current of approximately 3.5 mA through its 5.1 kΩ resistance—sufficient for most low-power precision signal-path, voltage reference divider, and analog conditioning applications.
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