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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCT06030C2001DP500

MCT06030C2001DP500

Vishay / Beyschlag

RES 2K OHM 0.5% 1/8W 0603

0
MCA12060D8202BP500

MCA12060D8202BP500

Vishay / Beyschlag

RES SMD 82K OHM 0.1% 1/4W 1206

0
MCS04020C1009FE00S

MCS04020C1009FE00S

Vishay / Beyschlag

RES 10 OHM 1% 1/10W 0402

0
MCT06030C3602FP500

MCT06030C3602FP500

Vishay / Beyschlag

RES SMD 36K OHM 1% 1/8W 0603

31327
MMA02040C3169FB300

MMA02040C3169FB300

Vishay / Beyschlag

RES 31.6 OHM 1% 2/5W MELF 0204

0
SMM02040C1871FB000

SMM02040C1871FB000

Vishay / Beyschlag

RES 1.87K OHM 1% 1/4W MELF 0204

0
MCU08050D6191BP100

MCU08050D6191BP100

Vishay / Beyschlag

RES SMD 6.19K OHM 0.1% 1/8W 0805

0
MCS04020C1430FE000

MCS04020C1430FE000

Vishay / Beyschlag

RES SMD 143 OHM 1% 1/10W 0402

0
MCT06030C9090DP500

MCT06030C9090DP500

Vishay / Beyschlag

RES 909 OHM 0.5% 1/8W 0603

0
MCU08050D5621BP100

MCU08050D5621BP100

Vishay / Beyschlag

RES SMD 5.62K OHM 0.1% 1/8W 0805

0
MCA12060D2001BP100

MCA12060D2001BP100

Vishay / Beyschlag

RES SMD 2K OHM 0.1% 1/4W 1206

0
MMB02070C3309FB200

MMB02070C3309FB200

Vishay / Beyschlag

RES SMD 33 OHM 1% 1W 0207

4249
MCU08050D2152BP100

MCU08050D2152BP100

Vishay / Beyschlag

RES SMD 21.5K OHM 0.1% 1/8W 0805

0
MCT06030D1242BP500

MCT06030D1242BP500

Vishay / Beyschlag

RES SMD 12.4KOHM 0.1% 1/10W 0603

0
MMA02040C2940FB300

MMA02040C2940FB300

Vishay / Beyschlag

RES 294 OHM 1% 2/5W MELF 0204

0
MCA12060D2260BP100

MCA12060D2260BP100

Vishay / Beyschlag

RES SMD 226 OHM 0.1% 1/4W 1206

0
MMB02070C5113FB200

MMB02070C5113FB200

Vishay / Beyschlag

RES SMD 511K OHM 1% 1W 0207

0
SMM02040C6340FB000

SMM02040C6340FB000

Vishay / Beyschlag

RES 634 OHM 1% 1/4W MELF 0204

0
SMM02040C4873FB000

SMM02040C4873FB000

Vishay / Beyschlag

RES 487K OHM 1% 1/4W MELF 0204

0
MMA02040D9760CB300

MMA02040D9760CB300

Vishay / Beyschlag

RES 976 OHM 0.25% 1/4W MELF 0204

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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