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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCS04020C1274FE000

MCS04020C1274FE000

Vishay / Beyschlag

RES SMD 1.27M OHM 1% 1/10W 0402

0
MCS0402PD4992DE500

MCS0402PD4992DE500

Vishay / Beyschlag

RES 49.9K OHM 0.5% 1/5W 0402

318
MCU08050C1822FP500

MCU08050C1822FP500

Vishay / Beyschlag

RES 18.2K OHM 1% 1/5W 0805

0
MCT06030D6340BP100

MCT06030D6340BP100

Vishay / Beyschlag

RES SMD 634 OHM 0.1% 1/10W 0603

0
SMM02040D3832BB000

SMM02040D3832BB000

Vishay / Beyschlag

RES 38.3KOHM 0.1% 1/4W MELF 0204

0
MMA02040C5622FB300

MMA02040C5622FB300

Vishay / Beyschlag

RES 56.2K OHM 1% 2/5W MELF 0204

0
MCT06030C3481FP50S

MCT06030C3481FP50S

Vishay / Beyschlag

RES 3.48K OHM 1% 1/8W 0603

0
MCU08050C4022DP500

MCU08050C4022DP500

Vishay / Beyschlag

RES 40.2K OHM 0.5% 1/5W 0805

0
MCS04020D2700DE000

MCS04020D2700DE000

Vishay / Beyschlag

RES 270 OHM 0.5% 1/10W 0402

0
MMB02070C1008FB200

MMB02070C1008FB200

Vishay / Beyschlag

RES SMD 1 OHM 1% 1W 0207

5789
SMM02040D3362BB100

SMM02040D3362BB100

Vishay / Beyschlag

RES 33.6KOHM 0.1% 1/4W MELF 0204

0
MMA02040C2108FB300

MMA02040C2108FB300

Vishay / Beyschlag

RES 2.1 OHM 1% 2/5W MELF 0204

0
MCT06030D2491BP100

MCT06030D2491BP100

Vishay / Beyschlag

RES SMD 2.49KOHM 0.1% 1/10W 0603

137
MCW0406MD6659BP100

MCW0406MD6659BP100

Vishay / Beyschlag

RES SMD 66.5 OHM 1/4W 0604 WIDE

0
MCU08050C5629FP500

MCU08050C5629FP500

Vishay / Beyschlag

RES 56.2 OHM 1% 1/5W 0805

0
MCW0406MD1782BP100

MCW0406MD1782BP100

Vishay / Beyschlag

RES SMD 17.8K OHM 1/4W 0604 WIDE

0
MMB02070C1008FB700

MMB02070C1008FB700

Vishay / Beyschlag

RES SMD 1 OHM 1% 1W 0207

0
MCT06030D8061BP100

MCT06030D8061BP100

Vishay / Beyschlag

RES SMD 8.06KOHM 0.1% 1/10W 0603

0
MCS04020C3400FE000

MCS04020C3400FE000

Vishay / Beyschlag

RES SMD 340 OHM 1% 1/10W 0402

0
MCW0406MD1911BP100

MCW0406MD1911BP100

Vishay / Beyschlag

RES SMD 1.91K OHM 1/4W 0604 WIDE

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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