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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCW0406MD1471BP100

MCW0406MD1471BP100

Vishay / Beyschlag

RES SMD 1.47K OHM 1/4W 0604 WIDE

0
MCU08050C4701FP500

MCU08050C4701FP500

Vishay / Beyschlag

RES SMD 4.7K OHM 1% 1/5W 0805

1153
MCT06030D1132BP500

MCT06030D1132BP500

Vishay / Beyschlag

RES SMD 11.3KOHM 0.1% 1/10W 0603

0
MCS04020D3010BE100

MCS04020D3010BE100

Vishay / Beyschlag

RES SMD 301 OHM 0.1% 1/16W 0402

0
MCA12060D4702BP500

MCA12060D4702BP500

Vishay / Beyschlag

RES SMD 47K OHM 0.1% 1/4W 1206

0
MCU08050D5492BP500

MCU08050D5492BP500

Vishay / Beyschlag

RES SMD 54.9K OHM 0.1% 1/8W 0805

0
MCA12060D1822BP500

MCA12060D1822BP500

Vishay / Beyschlag

RES SMD 18.2K OHM 0.1% 1/4W 1206

0
SMM02040C8061FB300

SMM02040C8061FB300

Vishay / Beyschlag

RES 8.06K OHM 1% 1/4W MELF 0204

0
MMA02040C2321FB000

MMA02040C2321FB000

Vishay / Beyschlag

RES 2.32K OHM 1% 2/5W MELF 0204

0
SMM02040D1821BB300

SMM02040D1821BB300

Vishay / Beyschlag

RES 1.82KOHM 0.1% 1/4W MELF 0204

0
MCU08050D2292BP100

MCU08050D2292BP100

Vishay / Beyschlag

RES SMD 22.9K OHM 0.1% 1/8W 0805

0
NCW0612MC2007FP500

NCW0612MC2007FP500

Vishay / Beyschlag

NCW 0612-50 1% AT P5 R20

8740
MMA02040E7502BB100

MMA02040E7502BB100

Vishay / Beyschlag

RES 75 KOHM 0.1% 1/4W 0204

497
MMA02040C5369FA300

MMA02040C5369FA300

Vishay / Beyschlag

RES 53.6 OHM 1% 2/5W MELF 0204

0
MCW0406MD5769BP100

MCW0406MD5769BP100

Vishay / Beyschlag

RES SMD 57.6 OHM 1/4W 0604 WIDE

0
MCT06030C1472DP500

MCT06030C1472DP500

Vishay / Beyschlag

RES 14.7K OHM 0.5% 1/8W 0603

0
MCS04020C3300DE000

MCS04020C3300DE000

Vishay / Beyschlag

RES 330 OHM 0.5% 1/10W 0402

0
MCA1206MD1002DP500

MCA1206MD1002DP500

Vishay / Beyschlag

RES SMD 10K OHM 0.5% 0.4W 1206

0
MMA02040C2051FA300

MMA02040C2051FA300

Vishay / Beyschlag

RES 2.05K OHM 1% 2/5W MELF 0204

0
SMM02040C2872FB300

SMM02040C2872FB300

Vishay / Beyschlag

RES 28.7K OHM 1% 1/4W MELF 0204

3000

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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