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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCA12060D1500BP100

MCA12060D1500BP100

Vishay / Beyschlag

RES SMD 150 OHM 0.1% 1/4W 1206

0
SMM02040C4122FB300

SMM02040C4122FB300

Vishay / Beyschlag

RES 41.2K OHM 1% 1/4W MELF 0204

0
MMB02070C6800FB200

MMB02070C6800FB200

Vishay / Beyschlag

RES SMD 680 OHM 1% 1W 0207

1332
MMA02040C6652FA300

MMA02040C6652FA300

Vishay / Beyschlag

RES 66.5K OHM 1% 2/5W MELF 0204

0
MMA02040C1209FA300

MMA02040C1209FA300

Vishay / Beyschlag

RES 12 OHM 1% 2/5W MELF 0204

0
MCT06030D2612BP100

MCT06030D2612BP100

Vishay / Beyschlag

RES SMD 26.1KOHM 0.1% 1/10W 0603

0
MCT06030C5108FPW00

MCT06030C5108FPW00

Vishay / Beyschlag

RES 5.1 OHM 1% 1/8W 0603

0
MCT06030D3320DP500

MCT06030D3320DP500

Vishay / Beyschlag

RES 332 OHM 0.5% 1/8W 0603

0
MCA12060D3262CP500

MCA12060D3262CP500

Vishay / Beyschlag

RES SMD 32.6KOHM 0.25% 1/4W 1206

0
MCA12060D2430BP100

MCA12060D2430BP100

Vishay / Beyschlag

RES SMD 243 OHM 0.1% 1/4W 1206

0
MCT06030E2001BP500

MCT06030E2001BP500

Vishay / Beyschlag

RES SMD 2K OHM 0.1% 1/10W 0603

0
MCW0612MC3000FP100

MCW0612MC3000FP100

Vishay / Beyschlag

RES 300 OHM 1% 1W 1206 WIDE

0
MCA12060D3923BP100

MCA12060D3923BP100

Vishay / Beyschlag

RES SMD 392K OHM 0.1% 1/4W 1206

0
MMA02040C1968FB300

MMA02040C1968FB300

Vishay / Beyschlag

RES 1.96 OHM 1% 2/5W MELF 0204

0
MMB02070C4701FB200

MMB02070C4701FB200

Vishay / Beyschlag

RES SMD 4.7K OHM 1% 1W 0207

0
MCA12060E1503BP100

MCA12060E1503BP100

Vishay / Beyschlag

RES 150K OHM 0.1% 1/4W 1206

0
MCT06030D6812BP500

MCT06030D6812BP500

Vishay / Beyschlag

RES SMD 68.1KOHM 0.1% 1/10W 0603

0
MCT06030C1501FP50S

MCT06030C1501FP50S

Vishay / Beyschlag

RES 1.5K OHM 1% 1/8W 0603

0
MCU08050C1500FPW00

MCU08050C1500FPW00

Vishay / Beyschlag

RES 150 OHM 1% 1/5W 0805

0
MCA1206MD1000BP100

MCA1206MD1000BP100

Vishay / Beyschlag

RES SMD 100 OHM 0.1% 0.4W 1206

540

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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