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HomeProductsResistorsChip Resistor - Surface MountRMC1/4K2700FTE
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RMC1/4K2700FTE - Kamaya Inc.

Manufacturer Part Number
RMC1/4K2700FTE
Manufacturer
Kamaya
Allelco Part Number
98D-RMC1/4K2700FTE
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
44,503 pcs available, New & Original
Parts Description
RES 270 OHM 1% 1/2W 1210
Package
1210
Data sheet
RMC1/4K2700FTE.pdf
RoHs Status
 
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In stock: 44503
  • Unit Price: $0.01
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The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RMC1/4K2700FTE Tech Specifications
Kamaya Inc. - RMC1/4K2700FTE technical specifications, attributes, parameters and parts with similar specifications to Kamaya Inc. - RMC1/4K2700FTE

Product Attribute Attribute Value
Manufacturer Kamaya
Tolerance ±1%
Temperature Coefficient ±100ppm/°C
Supplier Device Package 1210
Size / Dimension 0.122" L x 0.098" W (3.10mm x 2.50mm)
Series RMC
Resistance 270 Ohms
Ratings -
Power (Watts) 0.5W, 1/2W
Product Attribute Attribute Value
Package / Case 1210 (3225 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.028" (0.70mm)
Features -
Failure Rate -
Composition Thick Film

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.21.0030

Frequently Asked Questions(FAQ)

What are the thermal stability considerations when using the RMC1/4K2700FTE in circuits with significant ambient temperature swings?
The RMC1/4K2700FTE exhibits a temperature coefficient of ±100ppm/°C across its -55°C to 155°C operating range. In a 100°C temperature excursion, this translates to a maximum resistance drift of approximately ±1% from the nominal 270 Ohms value. For precision signal conditioning or reference circuits, this drift stacks with the ±1% initial tolerance, potentially reaching ±2% total error at temperature extremes. Applications requiring tighter stability—such as sensor interface networks or precision current-limiting circuits—may need active compensation or selection of lower TCR alternatives, while general-purpose power applications benefit from the RMC1/4K2700FTE's predictable thermal behavior within moderate temperature bands.
How does the 1210 package of the RMC1/4K2700FTE compare to 0805 resistors in terms of power dissipation capability and PCB layout flexibility?
The RMC1/4K2700FTE in 1210 (3225 metric) package provides 0.5W power rating with dimensions of 3.10mm × 2.50mm and a maximum seated height of 0.70mm. This contrasts with typical 0805 resistors, which are rated for 0.125W in a 2.01mm × 1.27mm footprint. The RMC1/4K2700FTE's 4× power advantage enables higher current handling in the same 270 Ohm value—approximately 39mA continuous versus 11mA for 0805—making it suitable for lower-impedance load switching or higher current bias networks. However, the larger footprint occupies roughly 7.8× the board area, presenting trade-offs in high-density applications. Thermal dissipation is also more efficient in the RMC1/4K2700FTE due to increased surface contact and solder joint area, reducing localized hot spots on smaller boards.
Is the RMC1/4K2700FTE suitable for applications requiring reel packaging, and what does MSL 1 rating mean for storage and assembly?
The RMC1/4K2700FTE is supplied in Tape & Reel (TR) packaging, making it directly compatible with automated pick-and-place assembly lines and high-volume production workflows. The MSL 1 (Unlimited) moisture sensitivity level indicates that the RMC1/4K2700FTE can be stored indefinitely under uncontrolled humidity without moisture ingress affecting solderability or performance. This eliminates the need for dry-box storage, baking cycles, or time-of-flight restrictions common with MSL 2–4 components. For contract manufacturers and prototype labs, the RMC1/4K2700FTE's MSL 1 status reduces logistics complexity and enables flexible assembly scheduling without risk of moisture-induced solder bridging or component failure.
What current-limiting behavior should be expected when the RMC1/4K2700FTE is used in series with a 5V supply to protect sensitive circuit stages?
At 5V applied across the RMC1/4K2700FTE's 270 Ohm nominal resistance, the current is approximately 18.5mA under DC conditions. In transient protection scenarios, the RMC1/4K2700FTE can dissipate up to 0.5W, corresponding to a maximum current of roughly 43mA before thermal limits are reached. The ±1% tolerance of the RMC1/4K2700FTE means actual resistance ranges from 267.3 to 272.7 Ohms, creating a ±1.7% band around nominal current. For circuits requiring precise fault-current control (such as LED driver protection or op-amp input clamping), this tolerance variation should be accounted for in design margins. Sustained currents above 43mA in the RMC1/4K2700FTE will generate thermal gradients that reduce its operational life and increase drift, requiring either parallel-resistor configurations or component de-rating.
How does the thick film construction of the RMC1/4K2700FTE affect its high-frequency behavior compared to thin film alternatives?
The RMC1/4K2700FTE uses thick film technology, which inherently exhibits higher parasitic inductance and capacitance than thin film resistors due to larger internal geometry and ceramic substrate interactions. At frequencies above 10MHz, the RMC1/4K2700FTE's effective impedance begins to deviate from its nominal 270 Ohm DC value, introducing impedance discontinuities. For RF matching networks, impedance-critical filters, or high-speed pulse applications, this frequency-dependent behavior may introduce unintended attenuation or phase shifts. However, the RMC1/4K2700FTE's thick film construction provides superior power handling, mechanical robustness, and cost efficiency in typical analog and digital circuit environments below 1MHz, making it the appropriate choice for general industrial and consumer electronics applications rather than precision RF design.
Can the RMC1/4K2700FTE be reliably used in applications exposed to mechanical vibration or high-G shock environments?
The RMC1/4K2700FTE's 1210 package geometry and solder joint interface provide reasonable mechanical durability for moderate vibration environments typical of industrial automation and automotive underhood applications. The component's 0.70mm maximum height and solid ceramic substrate structure resist mechanical fracture better than smaller 0603 or 0402 packages. However, the RMC1/4K2700FTE does not carry specific vibration or shock ratings in standard datasheets. In harsh environments—such as military platforms, aerospace systems, or high-vibration industrial machinery—the RMC1/4K2700FTE should be validated through accelerated life testing or paired with mechanical potting and conformal coating. PCB-level design practices, such as short trace routing around the RMC1/4K2700FTE and solid ground planes, become critical to prevent solder joint fatigue and intermittent open-circuit conditions.
What is the practical dissipation profile of the RMC1/4K2700FTE across its temperature range, and how should design margins account for temperature-dependent power derating?
The RMC1/4K2700FTE is rated for 0.5W at 25°C ambient, but resistor power ratings typically decrease at elevated temperatures to maintain junction temperatures within material limits. For the RMC1/4K2700FTE, a linear derate of approximately 0.7–0.8% per °C above 25°C is typical for thick film construction. At 85°C (common industrial max), the safe continuous power dissipation drops to approximately 0.375W, reducing maximum allowable current in the RMC1/4K2700FTE to roughly 37mA. At the component's 155°C upper limit, the RMC1/4K2700FTE should be de-rated further, limiting continuous power to approximately 0.2W. Circuit designers must calculate worst-case ambient plus self-heating temperature and apply corresponding de-rating factors when sizing circuits around the RMC1/4K2700FTE to ensure margin against premature failure or drift acceleration.
Why might the RMC1/4K2700FTE exhibit resistance drift over time in high-humidity environments despite its MSL 1 rating?
While the RMC1/4K2700FTE carries MSL 1 (Unlimited) moisture sensitivity, meaning it does not absorb moisture during storage or assembly, operational resistance drift can still occur in field environments with sustained high humidity and elevated temperatures. Thick film resistor material (the RMC1/4K2700FTE's construction type) can experience ionic migration or hygroscopic behavior in the bulk ceramic substrate and resistive layer when exposed to humidity and bias voltage over extended periods. This typically manifests as a slow 0.1–0.3% annual drift in the RMC1/4K2700FTE's 270 Ohm value in extreme conditions. To mitigate this, the RMC1/4K2700FTE should be specified with conformal coating in humid environments, and circuit designs requiring precision retention should use periodic calibration or resistance monitoring over the product lifetime.
Is the RMC1/4K2700FTE appropriate for pulse or switched-mode power supply applications, and what peak current transients should be considered?
The RMC1/4K2700FTE can function in switched-mode circuits where average power remains within 0.5W limits; however, brief peak current transients significantly above the DC steady-state rating may exceed the component's energy absorption capability. For the RMC1/4K2700FTE's 270 Ohm nominal value, peak currents in the 100–150mA range sustained for microseconds can be tolerated, but nanosecond-scale spikes (such as ESD events or ringing) may cause localized hot-spot heating or permanent resistance change. Inductive switching transients in the RMC1/4K2700FTE circuit path can generate voltage spikes that temporarily exceed power ratings. Designers should employ surge protection networks (such as varistors or transient-suppression diodes) upstream of the RMC1/4K2700FTE in switching applications to limit peak stresses and ensure reliable long-term operation.
How should the RMC1/4K2700FTE be specified in design documentation to ensure manufacturing compliance and prevent sourcing substitutions?
The complete manufacturer part number RMC1/4K2700FTE should appear in all design documentation, Bill of Materials (BOM), and procurement specifications to prevent unintended substitutions. The RMC1/4K2700FTE must be cross-referenced with the manufacturer (Kamaya Inc.) and specified with packaging designation Tape & Reel (TR) to ensure automated assembly compatibility. Alternative part numbers or generic equivalents carrying different temperature coefficients, tolerances, or package codes should not be permitted as direct replacements without re-validation. Procurement teams should be instructed to verify the RMC1/4K2700FTE's specific series designation (RMC) and Kamaya sourcing to avoid receiving functionally equivalent but thermally or electrically distinct components that may violate circuit performance margins or reliability standards.
What surface-mount soldering profiles and reflow conditions are recommended for the RMC1/4K2700FTE to avoid thermal stress or solder joint degradation?
The RMC1/4K2700FTE, in its 1210 package with 0.70mm maximum height, should be reflowed using standard lead-free (SAC305) profiles with peak reflow temperatures between 245–260°C and total time above 220°C not exceeding 90 seconds. The RMC1/4K2700FTE's thick film ceramic substrate has lower thermal mass than larger packages, allowing faster heating but requiring careful thermal ramping to prevent mechanical shock and substrate cracking. Hand-soldering of the RMC1/4K2700FTE should be avoided unless unavoidable; if manual rework is necessary, iron temperatures should not exceed 350°C and dwell time should be limited to 3–5 seconds per joint. Wave-soldering of the RMC1/4K2700FTE is not recommended for this package size. Thermal profiling equipment should verify that solder joint integrity meets IPC-A-610 standards, and visual inspection of the RMC1/4K2700FTE pad area should confirm the absence of solder bridges, whiskers, or incomplete wetting.
What are the RMS and peak voltage ratings for the RMC1/4K2700FTE, and should derating be applied at elevated voltages?
The RMC1/4K2700FTE is not typically characterized with explicit RMS or peak voltage ratings in standard commercial datasheets; instead, ratings are expressed through maximum power dissipation (0.5W) and temperature coefficient behavior. For the RMC1/4K2700FTE at 270 Ohms, the maximum continuous voltage is derived from I = √(P/R) = √(0.5/270) ≈ 43mA, corresponding to approximately 11.6V DC across the RMC1/4K2700FTE. Transient voltages higher than this value require energy calculations to confirm total dissipation remains within limits. In high-voltage circuits, the RMC1/4K2700FTE should be de-rated not only for temperature but also for sustained bias voltage, particularly in environments combining high voltage, high temperature, and high humidity, where dielectric breakdown or leakage currents may accelerate aging of the RMC1/4K2700FTE's resistive layer.

Parts with Similar Specifications

The three parts on the right have similar specifications to Kamaya Inc. RMC1/4K2700FTE

Product Attribute RMC1/4K2670FTE RMC1/4K2703FTE RMC1/4K2701FTE RMC1/4K27R0FTE
Part Number RMC1/4K2670FTE RMC1/4K2703FTE RMC1/4K2701FTE RMC1/4K27R0FTE
Manufacturer Kamaya Inc. Kamaya Inc. Kamaya Inc. Kamaya Inc.
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Resistance - - - -
Height - Seated (Max) - - - -
Number of Terminations - - - -
Temperature Coefficient - - - -
Ratings - - - -
Power (Watts) - - - -
Composition - - - -
Size / Dimension - - - -
Features - - - Simultaneous Sampling
Tolerance - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Failure Rate - - - -

RMC1/4K2700FTE Datasheet PDF

Download RMC1/4K2700FTE pdf datasheets and Kamaya Inc. documentation for RMC1/4K2700FTE - Kamaya Inc..

Datasheets
RMC Style Datasheet.pdf

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Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
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    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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RMC1/4K2700FTE

Kamaya Inc.
98D-RMC1/4K2700FTE

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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