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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCT06030C1201DP500

MCT06030C1201DP500

Vishay / Beyschlag

RES 1.2K OHM 0.5% 1/8W 0603

0
SMM02040C1103FB000

SMM02040C1103FB000

Vishay / Beyschlag

RES 110K OHM 1% 1/4W MELF 0204

0
MCT06030D3922DP500

MCT06030D3922DP500

Vishay / Beyschlag

RES SMD 39.2K OHM 0.5% 1/8W 0603

0
MCU08050D4759DP500

MCU08050D4759DP500

Vishay / Beyschlag

RES 47.5 OHM 0.5% 1/5W 0805

0
MCU08050D7871BP500

MCU08050D7871BP500

Vishay / Beyschlag

RES SMD 7.87K OHM 0.1% 1/8W 0805

0
MCU08050D1401BP100

MCU08050D1401BP100

Vishay / Beyschlag

RES SMD 1.4K OHM 0.1% 1/8W 0805

0
SMM02040D1652BB100

SMM02040D1652BB100

Vishay / Beyschlag

RES 16.5KOHM 0.1% 1/4W MELF 0204

0
SMM02040C1801FB300

SMM02040C1801FB300

Vishay / Beyschlag

RES 1.8K OHM 1% 1/4W MELF 0204

1492
SMM02040D2673DB300

SMM02040D2673DB300

Vishay / Beyschlag

RES 267K OHM 0.5% 1/4W MELF 0204

0
MCS04020C4872FE000

MCS04020C4872FE000

Vishay / Beyschlag

RES SMD 48.7K OHM 1% 1/10W 0402

0
MCA12060D1301BP100

MCA12060D1301BP100

Vishay / Beyschlag

RES SMD 1.3K OHM 0.1% 1/4W 1206

0
MCS04020C5231FE000

MCS04020C5231FE000

Vishay / Beyschlag

RES SMD 5.23K OHM 1% 1/10W 0402

0
MCT06030C4990FP500

MCT06030C4990FP500

Vishay / Beyschlag

RES SMD 499 OHM 1% 1/8W 0603

8599
MCW0406MD1240BP100

MCW0406MD1240BP100

Vishay / Beyschlag

RES SMD 124 OHM 1/4W 0604 WIDE

0
MCS04020C5300DE000

MCS04020C5300DE000

Vishay / Beyschlag

RES 530 OHM 0.5% 1/10W 0402

0
MCT06030C4220FP50S

MCT06030C4220FP50S

Vishay / Beyschlag

RES 422 OHM 1% 1/8W 0603

0
MMA02040C1472FA300

MMA02040C1472FA300

Vishay / Beyschlag

RES 14.7K OHM 1% 2/5W MELF 0204

0
MMA02040C6490FB000

MMA02040C6490FB000

Vishay / Beyschlag

RES 649 OHM 1% 2/5W MELF 0204

0
MMB02070C6980FB200

MMB02070C6980FB200

Vishay / Beyschlag

RES SMD 698 OHM 1% 1W 0207

0
SMM02070C6818FBP00

SMM02070C6818FBP00

Vishay / Beyschlag

RES SMD 6.81 OHM 1% 1W MELF

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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