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Home Product PTFR0402B1K21P9 Thick Film Resistor 0402 1.21KΩ Panasonic PTFR Series
PTFR0402B1K21P9 1.21KΩ 0.06W ±0.1%

PTFR0402B1K21P9 Thick Film Resistor 0402 1.21KΩ Panasonic PTFR Series

PTFR Series Resistor
0402 SMD Resistor
1.21K Ohm Chip
PTFR0402B1K21P9
PTFR0402B1K21P9 - PTFR Series 0402 SMD chip resistor offering 1.21K Ohm resistance with high-precision, surface-mount design for compact circuitry solutions.
Categories:Electronic components
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Product Description

The PTFR0402B1K21P9 is a high-precision PTFR Series Resistor designed for surface-mount applications. As an 0402 SMD Resistor (0402 footprint: 1.0mm x 0.5mm), it features a 1.21K Ohm resistance value with ±1% tolerance. This two-terminal chip component operates within a wide voltage range of up to 50V and temperature span of -55°C to +155°C, suitable for automotive, industrial, and consumer electronics. Its compact size enables dense PCB layouts while maintaining stable performance under thermal stress. Key advantages include low TCR (±100ppm/°C), robust ceramic substrate construction, and compatibility with automated assembly processes. Limitations include limited power handling (0.063W rating) and no integrated communication interfaces, requiring external circuitry for signal conditioning. The nickel/tin-plated terminations ensure reliable solderability across reflow processes.
SeriesPTFR Series Resistor
ModelPTFR0402B1K21P9
Package0402 SMD Resistor (1005 Metric)
Resistance1.21kΩ ±0.1%
Power Rating0.063W (1/16W)
Temperature Coefficient±25ppm/°C
Operating Temperature-55°C ~ +155°C
TerminationElectroplated Nickel Barrier
Rated Voltage50V
Thick Film TechnologyRuthenium Oxide Based
PackagingTape & Reel (3000 pieces/reel)
Moisture SensitivityLevel 1 (IPC/JEDEC)
RoHS ComplianceYes
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods, ensuring secure transactions.
question:Do you have professional product selection engineers?
answer:Yes, our dedicated team of engineers conducts market research and selects high-demand products.
question:Can you guarantee stable product supply?
answer:We maintain reliable partnerships with suppliers to ensure consistent and timely product availability.
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:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods, ensuring secure transactions.
question:Do you have professional product selection engineers?
answer:Yes, our dedicated team of engineers conducts market research and selects high-demand products.
question:Can you guarantee stable product supply?
answer:We maintain reliable partnerships with suppliers to ensure consistent and timely product availability.
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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