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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0402DKE102R

RNCF0402DKE102R

Stackpole Electronics, Inc.

RES 102 OHM 0.5% 1/16W 0402

0
RMCF2010FT30K0

RMCF2010FT30K0

Stackpole Electronics, Inc.

RES 30K OHM 1% 3/4W 2010

0
RMCS0805FT8K45

RMCS0805FT8K45

Stackpole Electronics, Inc.

RES 8.45K OHM 1% 1/8W 0805

0
RNCF0805BTC6K34

RNCF0805BTC6K34

Stackpole Electronics, Inc.

RES 6.34K OHM 0.1% 1/8W 0805

0
RMCF1206JT75K0

RMCF1206JT75K0

Stackpole Electronics, Inc.

RES 75K OHM 5% 1/4W 1206

2147483647
RMCF1206FT7M32

RMCF1206FT7M32

Stackpole Electronics, Inc.

RES 7.32M OHM 1% 1/4W 1206

0
RNCF1206BTC360R

RNCF1206BTC360R

Stackpole Electronics, Inc.

RES 360 OHM 0.1% 1/3W 1206

0
RMCF2010FT5K60

RMCF2010FT5K60

Stackpole Electronics, Inc.

RES 5.6K OHM 1% 3/4W 2010

0
RNCF0805DTE40R2

RNCF0805DTE40R2

Stackpole Electronics, Inc.

RES 40.2 OHM 0.5% 1/8W 0805

0
RNCF0805BTC300R

RNCF0805BTC300R

Stackpole Electronics, Inc.

RES 300 OHM 0.1% 1/8W 0805

0
SM4124JTR150

SM4124JTR150

Stackpole Electronics, Inc.

RES 0.15 OHM 5% 2W 4124

0
RMCF1210FT1M78

RMCF1210FT1M78

Stackpole Electronics, Inc.

RES 1.78M OHM 1% 1/3W 1210

0
RMCF1210FT523K

RMCF1210FT523K

Stackpole Electronics, Inc.

RES 523K OHM 1% 1/3W 1210

0
RNCF0402BTC78K7

RNCF0402BTC78K7

Stackpole Electronics, Inc.

RES 78.7K OHM 0.1% 1/16W 0402

0
RNCF1206DTE200R

RNCF1206DTE200R

Stackpole Electronics, Inc.

RES 200 OHM 0.5% 1/3W 1206

0
RHC2512FT475R

RHC2512FT475R

Stackpole Electronics, Inc.

RES 475 OHM 1% 2W 2512

0
RMCP2010FT3K16

RMCP2010FT3K16

Stackpole Electronics, Inc.

RES 3.16K OHM 1% 1W 2010

0
RNCF1206DTE487R

RNCF1206DTE487R

Stackpole Electronics, Inc.

RES 487 OHM 0.5% 1/3W 1206

0
RNCF0603DTE35R7

RNCF0603DTE35R7

Stackpole Electronics, Inc.

RES 35.7 OHM 0.5% 1/10W 0603

0
RGC0402DTC232K

RGC0402DTC232K

Stackpole Electronics, Inc.

RES 232K OHM 0.5% 1/16W 0402

0

Chip Resistors-Surface Mount

1. Overview

Surface Mount Chip Resistors (SMD Resistors) are passive electronic components designed to limit current flow and divide voltages in printed circuit boards (PCBs). As key elements in Surface Mount Technology (SMT), they enable high-density PCB layouts and automated manufacturing. Their miniaturized footprint and reliability make them essential for modern electronics, including smartphones, automotive systems, and industrial equipment.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Thick Film ResistorsCost-effective, standard tolerance ( 1%-5%), power ratings up to 1WConsumer electronics, power supplies
Thin Film ResistorsHigh precision ( 0.01%), low noise, stable temperature coefficientsMedical devices, precision instrumentation
Power ResistorsHigh power dissipation (up to 3W), robust thermal managementMotor drives, EV battery management systems
Network ResistorsMultiple resistors in single package, matched temperature coefficientsDigital circuits, memory modules
Wirewound ResistorsHigh inductance, precise low-resistance valuesAudio amplifiers, industrial control systems

3. Structure and Composition

Typical SMD resistors consist of: - Ceramic substrate (Alumina, 96% Al2O3) - Resistive layer (Ruthenium oxide for thick film, Nichrome for thin film) - Termination electrodes (Ni/Sn or Ag/Pd metallization) - Protective coating (Epoxy or glass encapsulation) Standard packages follow EIA dimensions (e.g., 0402, 0603, 0805).

4. Key Technical Specifications

ParameterDescriptionImportance
Resistance Range1 to 10M (film), 0.1 to 100k (power)Determines current control capability
Tolerance 0.01% (precision) to 5% (general)Impacts circuit accuracy
Power Rating0.05W to 3W @ 70 CDefines thermal dissipation limits
TCR 5ppm/ C (thin film) to 200ppm/ CAffects stability over temperature
Operating Temp-55 C to +155 CDefines environmental reliability
Voltage Coefficient<0.1ppm/VEnsures voltage stability

5. Application Fields

  • Consumer Electronics: Smartphones, wearables, IoT devices
  • Automotive: ADAS sensors, battery management systems, ECUs
  • Industrial: PLCs, motor drives, power converters
  • Telecom: 5G base stations, optical transceivers
  • Medical: Diagnostic equipment, implantable devices

6. Leading Manufacturers and Products

ManufacturerRepresentative SeriesKey Features
YageoCRCW Series0.05W-1W, 0.1% tolerance
VishayCRCWE SeriesThin film, TCR 25ppm/ C
ROHMMCR SeriesPower resistors up to 2W
OhmitePWR SeriesHigh-power 3W devices
BournsCRCU SeriesNetwork resistors with 8-element arrays

7. Selection Recommendations

Consider: - Required resistance tolerance and power rating - Operating temperature range (automotive needs -40 C to +125 C) - Package size constraints (e.g., 0402 for mobile devices) - Long-term stability requirements (medical applications prefer thin film) - Cost vs. performance trade-offs (consumer vs. industrial use) Example: For smartphone power management, select 0603 thick film resistors with 1% tolerance and 125 C rating.

8. Industry Trends

Key trends include: - Miniaturization: Development of 0201 and 01005 packages - Higher precision: Sub-0.01% tolerance thin film resistors - Enhanced thermal management: New materials for power densities >1W/mm - Automotive growth: AEC-Q200 qualified parts for EVs - Smart manufacturing: AI-driven resistor selection tools - Sustainability: Lead-free and halogen-free material adoption

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