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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCW0406MD1910BP100

MCW0406MD1910BP100

Vishay / Beyschlag

RES SMD 191 OHM 1/4W 0604 WIDE

0
MCS04020C5361FE000

MCS04020C5361FE000

Vishay / Beyschlag

RES SMD 5.36K OHM 1% 1/10W 0402

0
SMM02070C3329FBS00

SMM02070C3329FBS00

Vishay / Beyschlag

RES SMD 33.2 OHM 1% 1W MELF

0
MCU08050D1100BP100

MCU08050D1100BP100

Vishay / Beyschlag

RES SMD 110 OHM 0.1% 1/8W 0805

0
MCA12060D4022BP500

MCA12060D4022BP500

Vishay / Beyschlag

RES SMD 40.2K OHM 0.1% 1/4W 1206

0
MMA02040C1583FB300

MMA02040C1583FB300

Vishay / Beyschlag

RES 158K OHM 1% 2/5W MELF 0204

0
MCU08050D1371BP500

MCU08050D1371BP500

Vishay / Beyschlag

RES SMD 1.37K OHM 0.1% 1/8W 0805

0
MCT06030D2703BP100

MCT06030D2703BP100

Vishay / Beyschlag

RES SMD 270K OHM 0.1% 1/10W 0603

0
MMB02070C9099FB200

MMB02070C9099FB200

Vishay / Beyschlag

RES SMD 90.9 OHM 1% 1W 0207

0
MMA02040C1821FB300

MMA02040C1821FB300

Vishay / Beyschlag

RES 1.82K OHM 1% 2/5W MELF 0204

5797
MCU08050C2491DP500

MCU08050C2491DP500

Vishay / Beyschlag

RES 2.49K OHM 0.5% 1/5W 0805

0
MMB02070C3160FB700

MMB02070C3160FB700

Vishay / Beyschlag

RES SMD 316 OHM 1% 1W 0207

0
MCA12060D4990BP500

MCA12060D4990BP500

Vishay / Beyschlag

RES SMD 499 OHM 0.1% 1/4W 1206

0
MCS04020C1332FE000

MCS04020C1332FE000

Vishay / Beyschlag

RES SMD 13.3K OHM 1% 1/10W 0402

0
MMB02070C4992FB200

MMB02070C4992FB200

Vishay / Beyschlag

RES SMD 49.9K OHM 1% 1W 0207

0
MCU08050C1152DP500

MCU08050C1152DP500

Vishay / Beyschlag

RES 11.5K OHM 0.5% 1/5W 0805

0
MCA12060D9761BP500

MCA12060D9761BP500

Vishay / Beyschlag

RES SMD 9.76K OHM 0.1% 1/4W 1206

0
SMM02070C3303FBP00

SMM02070C3303FBP00

Vishay / Beyschlag

RES SMD 330K OHM 1% 1W MELF

9496
MCS04020D1203BE000

MCS04020D1203BE000

Vishay / Beyschlag

MCS 0402-25 0.1% E0 120K

0
MCU08050D5760BP100

MCU08050D5760BP100

Vishay / Beyschlag

RES SMD 576 OHM 0.1% 1/8W 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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