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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCA12060D5621BP500

MCA12060D5621BP500

Vishay / Beyschlag

RES SMD 5.62K OHM 0.1% 1/4W 1206

0
MCT06030D1300BP500

MCT06030D1300BP500

Vishay / Beyschlag

RES SMD 130 OHM 0.1% 1/10W 0603

0
MCS04020D1500BE000

MCS04020D1500BE000

Vishay / Beyschlag

MCS 0402-25 0.1% E0 150R

0
MCA1206MD4992DP500

MCA1206MD4992DP500

Vishay / Beyschlag

RES SMD 49.9K OHM 0.5% 0.4W 1206

0
CMA02040X1801GB300

CMA02040X1801GB300

Vishay / Beyschlag

RES SMD 1.8K OHM 2% 0.4W 0204

1839
MCT06030D8202BP100

MCT06030D8202BP100

Vishay / Beyschlag

RES SMD 82K OHM 0.1% 1/10W 0603

0
SMM02070C2870FBP00

SMM02070C2870FBP00

Vishay / Beyschlag

RES SMD 287 OHM 1% 1W MELF

0
MMA02040D8251DB300

MMA02040D8251DB300

Vishay / Beyschlag

RES 8.25KOHM 0.5% 2/5W MELF 0204

0
MMA02040D2491FA300

MMA02040D2491FA300

Vishay / Beyschlag

RES 2.49K OHM 1% 2/5W MELF 0204

0
MCA12060D4301BP500

MCA12060D4301BP500

Vishay / Beyschlag

RES SMD 4.3K OHM 0.1% 1/4W 1206

0
MCT0603MD7502DP500

MCT0603MD7502DP500

Vishay / Beyschlag

RES SMD 75K OHM 0.5% 0.15W 0603

3860
MCS04020D1402DE000

MCS04020D1402DE000

Vishay / Beyschlag

RES 14K OHM 0.5% 1/10W 0402

0
SMM02040C2370FB300

SMM02040C2370FB300

Vishay / Beyschlag

RES 237 OHM 1% 1/4W MELF 0204

0
MCA12060D1690BP500

MCA12060D1690BP500

Vishay / Beyschlag

RES SMD 169 OHM 0.1% 1/4W 1206

0
MCU0805MD4992BP100

MCU0805MD4992BP100

Vishay / Beyschlag

RES SMD 49.9K OHM 0.1% 1/5W 0805

1962
MMA02040C3608FB300

MMA02040C3608FB300

Vishay / Beyschlag

RES 3.6 OHM 1% 2/5W MELF 0204

0
MMA02040C1501FA300

MMA02040C1501FA300

Vishay / Beyschlag

RES 1.5K OHM 1% 2/5W MELF 0204

0
MCS04020D4642BE100

MCS04020D4642BE100

Vishay / Beyschlag

RES SMD 46.4KOHM 0.1% 1/16W 0402

0
MCW0406MD5492BP100

MCW0406MD5492BP100

Vishay / Beyschlag

RES SMD 54.9K OHM 1/4W 0604 WIDE

0
MCU08050D2000DP500

MCU08050D2000DP500

Vishay / Beyschlag

RES SMD 200 OHM 0.5% 1/5W 0805

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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