CPF0603B4K3E TE Connectivity Resistor (Resistor Chip) In Stock

Precision thin-film SMT resistor with 4.3 kΩ resistance, ±0.1% tolerance, and ±25 ppm/°C TCR in a 0603 package. Rated at 63 mW for accurate voltage dividers and analog signal conditioning circuits. Available in stock with worldwide shipping.

OBSOLETEResistorVerified Jul 2026
Package / Visual Reference
CPF0603B4K3EResistor Chip
Quick Facts
Manufacturer
TE Connectivity
Package
Resistor Chip
Pin Count
2
Lifecycle
OBSOLETE
Category
Resistor
Temp Range
-55.0°C to 155.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of CPF0603B4K3E?

  • ±0.1% resistance tolerance enables accurate voltage dividers, gain networks, and precision analog measurement circuits
  • ±25 ppm/°C temperature coefficient minimizes resistance drift across wide operating temperature ranges
  • Thin-film construction delivers superior long-term stability compared to standard thick-film alternatives
  • 0603 SMT package with tape-and-reel packaging supports high-volume automated pick-and-place assembly

What is CPF0603B4K3E used for?

The CPF0603B4K3E is used in precision voltage dividers, ADC/DAC reference networks, Wheatstone bridge circuits, and instrumentation amplifier gain-setting resistors where ±0.1% tolerance and ±25 ppm/°C drift are critical for measurement accuracy. Its thin-film construction ensures long-term stability in test and measurement equipment, medical devices, and industrial control systems. The compact 0603 SMT footprint with tape-and-reel packaging supports efficient high-volume PCB assembly.

What are the specifications of CPF0603B4K3E?

Reach Compliance CodeCompliant
YTEOL0
Additional FeaturePRECISION
ConstructionRectangular
Mounting FeatureSURFACE MOUNT
Package Height0.45mm
Package Length1.55mm
Package StyleSMT
Package Width0.8mm
Packing MethodTR, PAPER, 7 INCH
Rated Power Dissipation (P)0.063W
Rated Temperature70°C
Resistance4300Ω
Resistor TypeFIXED RESISTOR
Size Code0603
Surface MountYES
TechnologyTHIN FILM
Temperature Coefficient25ppm/°C
Terminal ShapeWRAPAROUND
Tolerance0.1%
Working Voltage50V
PackageResistor Chip

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
HTS Code8533.21.00.30

Where can I find the CPF0603B4K3E datasheet?

CPF0603B4K3E Datasheet Download

Official datasheet from TE Connectivity

What are equivalent replacements for CPF0603B4K3E?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What resistance tolerance and temperature coefficient does the CPF0603B4K3E provide for precision circuit design?

The CPF0603B4K3E offers a 4.3 kΩ nominal resistance with ±0.1% tolerance and a ±25 ppm/°C temperature coefficient, ensuring minimal drift across temperature extremes. This combination is essential for precision voltage dividers, instrumentation amplifier gain networks, and analog reference circuits where even small resistance errors accumulate into significant measurement inaccuracies.

Which analog circuit types benefit most from the CPF0603B4K3E thin-film precision resistor?

DAC and ADC reference dividers, Wheatstone bridge sensors, and instrumentation amplifier gain-setting networks benefit most from the CPF0603B4K3E because its ±0.1% tolerance and 63 mW power rating minimize offset and gain errors in low-level signal circuits. Thin-film construction also provides better long-term stability than thick-film alternatives in medical diagnostic and industrial calibration equipment.

When should a designer specify the thin-film CPF0603B4K3E rather than a standard thick-film 0603 resistor?

Choose the CPF0603B4K3E when the design requires ±0.1% accuracy and ±25 ppm/°C thermal stability, since standard thick-film 0603 resistors typically offer only ±1% tolerance and 100 ppm/°C TCR. Precision current-sensing circuits, analog filter pole-frequency networks, and calibration reference ladders justify the thin-film premium to keep total system error within tight budget constraints.

Why Buy from FindMyChip

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Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

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.

AvailabilityIn Stock
Reference Price (USD)
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In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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Sarah Kim
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