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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCA12060D6202BP500

MCA12060D6202BP500

Vishay / Beyschlag

RES SMD 62K OHM 0.1% 1/4W 1206

0
SMM02040D1470BB300

SMM02040D1470BB300

Vishay / Beyschlag

RES 147 OHM 0.1% 1/4W MELF 0204

0
MCA12060D4931BP100

MCA12060D4931BP100

Vishay / Beyschlag

RES SMD 4.93K OHM 0.1% 1/4W 1206

0
MCU08050D4759BP100

MCU08050D4759BP100

Vishay / Beyschlag

RES SMD 47.5 OHM 0.1% 1/8W 0805

0
MMA02040D4221BA300

MMA02040D4221BA300

Vishay / Beyschlag

RES 4.22KOHM 0.1% 1/4W MELF 0204

0
MCT06030C5119FP500

MCT06030C5119FP500

Vishay / Beyschlag

RES SMD 51.1 OHM 1% 1/8W 0603

7694
MMA02040C3011FB000

MMA02040C3011FB000

Vishay / Beyschlag

RES 3.01K OHM 1% 2/5W MELF 0204

0
MCW0406MD4642BP100

MCW0406MD4642BP100

Vishay / Beyschlag

RES SMD 46.4K OHM 1/4W 0604 WIDE

0
MMA02040C1210FA300

MMA02040C1210FA300

Vishay / Beyschlag

RES 121 OHM 1% 2/5W MELF 0204

0
MCS04020C1800FE000

MCS04020C1800FE000

Vishay / Beyschlag

RES SMD 180 OHM 1% 1/10W 0402

0
SMM02040C4023FB300

SMM02040C4023FB300

Vishay / Beyschlag

RES 402K OHM 1% 1/4W MELF 0204

0
MMA02040D3920FB000

MMA02040D3920FB000

Vishay / Beyschlag

RES 392 OHM 1% 2/5W MELF 0204

0
MCS04020C3654FE000

MCS04020C3654FE000

Vishay / Beyschlag

RES SMD 3.65M OHM 1% 1/10W 0402

0
SMM02040C5762DB000

SMM02040C5762DB000

Vishay / Beyschlag

RES 57.6KOHM 0.5% 1/4W MELF 0204

0
SMM02040E2002DB300

SMM02040E2002DB300

Vishay / Beyschlag

RES 20K OHM 0.5% 1/4W MELF 0204

0
SMM02040E4990BB300

SMM02040E4990BB300

Vishay / Beyschlag

RES 499 OHM 0.1% 1/4W MELF 0204

0
MCT06030D2100BP100

MCT06030D2100BP100

Vishay / Beyschlag

RES SMD 210 OHM 0.1% 1/10W 0603

0
MCT06030D4990BP500

MCT06030D4990BP500

Vishay / Beyschlag

RES SMD 499 OHM 0.1% 1/10W 0603

0
MCT06030D5360BP100

MCT06030D5360BP100

Vishay / Beyschlag

RES SMD 536 OHM 0.1% 1/10W 0603

0
MMA02040C3018FB300

MMA02040C3018FB300

Vishay / Beyschlag

RES 3.01 OHM 1% 2/5W 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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