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Home Product PTFR0402B4K42P9 Fusible Resistor, High Precision, SMD Chip, Circuit Protection Component
PTFR0402B4K42P9 4.42KΩ 0.06W ±0.1%

PTFR0402B4K42P9 Fusible Resistor, High Precision, SMD Chip, Circuit Protection Component

PTFR0402B4K42P9
0402 4.42kohm Resistor
PTFR Series Thin Film Resistor
PTFR0402B4K42P9
PTFR0402B4K42P9: 0402 4.42kohm thin film resistor from PTFR Series, designed for precision SMD applications. Features ±0.1% tolerance, ±25ppm/°C TCR, and 0.063W power rating. Ideal for high-reliability circuits requiring stable performance.
Categories:Electronic components
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Product Description

The PTFR0402B4K42P9 is a high-precision 0402 4.42kohm Resistor from the PTFR Series Thin Film Resistor family, designed for compact and high-reliability applications. Featuring a miniature 0402 package (1.0mm x 0.5mm), it operates within a wide temperature range of -55°C to +155°C and supports a maximum working voltage of 50V. This surface-mount resistor delivers a low TCR (±25ppm/°C) and tight tolerance (±0.1% standard), ensuring stability in precision circuits. Ideal for industrial automation, medical devices, automotive electronics, and IoT systems, it excels in signal conditioning, filtering, and sensor interfaces. Advantages include minimal noise, excellent thermal performance, and robust durability, though its small size limits power dissipation to 0.063W. Compatible with automated assembly, it simplifies integration into high-density PCB layouts.
ParameterSpecification
Part NumberPTFR0402B4K42P9
Resistance Value4.42kohm ±0.1%
Power Rating0.063W @ 70°C
Temperature Coefficient±25ppm/°C
Operating Temperature-55°C to +155°C
Package Size0402 (1005 metric)
TerminationPure Tin plating
Dielectric Withstanding Voltage50V
TechnologyThin Film
SeriesPTFR Series Precision Resistor
CompositionNickel Chromide resistive layer
question:Why can other suppliers find discontinued models that you cannot provide?
answer:Other suppliers may source refurbished components or non-genuine alternatives, which can pose quality risks. We prioritize authentic products.
question:How do you handle售后issues if a product is found refurbished?
answer:We strictly supply new products. If verified as refurbished, we provide repair, replacement, or refund per our policy. Contact us immediately.
question:Why do you charge a handling fee?
answer:Handling fees cover transaction, logistics, and administrative costs, ensuring efficient processing. This fee is standard for all orders.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can other suppliers find discontinued models that you cannot provide?
answer:Other suppliers may source refurbished components or non-genuine alternatives, which can pose quality risks. We prioritize authentic products.
question:How do you handle售后issues if a product is found refurbished?
answer:We strictly supply new products. If verified as refurbished, we provide repair, replacement, or refund per our policy. Contact us immediately.
question:Why do you charge a handling fee?
answer:Handling fees cover transaction, logistics, and administrative costs, ensuring efficient processing. This fee is standard for all orders.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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