CPF0603B91KE TE Connectivity Resistor (Resistor Chip) In Stock

Name: CPF0603B91KE
Brand: TE Connectivity
SKU: CPF0603B91KE
Availability: InStock

TE Connectivity CPF0603B91KE is a 91 kΩ ±0.1% precision thin-film 0603 surface-mount resistor rated at 0.063 W. A ±25 ppm/°C temperature coefficient ensures stability in demanding precision applications. From $0.30 in stock, worldwide shipping available.

OBSOLETEResistorVerified Jul 2026

Package / Visual Reference

CPF0603B91KEResistor Chip

Quick Facts

Manufacturer: TE Connectivity
Package: Resistor Chip
Pin Count: 2
Lifecycle: OBSOLETE
Datasheet: CPF0603B91KE 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

What are the key features of CPF0603B91KE?

91 kΩ precision thin-film resistor with ±0.1% tight tolerance for accurate voltage division and filtering
Ultra-low ±25 ppm/°C temperature coefficient maintains resistance stability across wide operating temperature ranges
Compact 0603 SMT package (1.55 mm × 0.8 mm) supports high-density automated surface-mount PCB assembly
0.063 W rated thin-film construction provides long-term reliability in sensitive precision analog circuits

What is CPF0603B91KE used for?

CPF0603B91KE is ideal for precision voltage dividers, op-amp feedback networks, and analog signal conditioning where tight resistance tolerance and temperature stability are critical. The ±0.1% tolerance and ±25 ppm/°C coefficient make it suitable for metrology equipment, medical instrumentation, and industrial sensing systems. Its compact 0603 SMT form factor allows integration into high-density PCB layouts for portable and space-constrained precision electronics.

What are the specifications of CPF0603B91KE?

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	91000Ω
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

Where can I find the CPF0603B91KE datasheet?

CPF0603B91KE Datasheet Download

Official datasheet from TE Connectivity

What are equivalent replacements for CPF0603B91KE?

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

Frequently Asked Questions

What are the key electrical specifications of the CPF0603B91KE resistor?

The CPF0603B91KE is a 91 kΩ thin-film resistor with ±0.1% resistance tolerance and a temperature coefficient of ±25 ppm/°C. It is rated at 0.063 W power dissipation in a compact 0603 SMT package, making it suitable for low-power precision signal circuits requiring stable, accurate resistance values across the operating temperature range.

In what precision measurement or analog circuit designs is CPF0603B91KE the best resistor choice?

CPF0603B91KE is the right choice for precision voltage dividers, op-amp feedback networks, and analog sensor conditioning where resistance error must remain within ±0.1% over temperature. Its ±25 ppm/°C temperature coefficient and 91 kΩ value suit medical instrumentation, industrial process control, and metrology systems demanding long-term stability and low drift for accurate measurements.

How does the CPF0603B91KE 0603 package compare to 0402 and 0805 alternatives for precision resistor selection?

The CPF0603B91KE 0603 package balances PCB space and thermal performance with its 0.063 W power rating, making it the most common size for precision thin-film resistors in space-constrained designs. Larger 0805 alternatives can handle up to 0.1 W but occupy more board area, while 0402 packages save space but typically offer only 0.05 W or 0.063 W power handling with less mechanical robustness during reflow.

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