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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040C3012FB300

SMM02040C3012FB300

Vishay / Beyschlag

RES 30.1K OHM 1% 1/4W MELF 0204

6000
MCT0603MC6190FP500

MCT0603MC6190FP500

Vishay / Beyschlag

RES 619 OHM 1% 0.15W 0603

0
MMA02040C3001FB000

MMA02040C3001FB000

Vishay / Beyschlag

RES 3K OHM 1% 2/5W MELF 0204

0
MMA02040C1158FB000

MMA02040C1158FB000

Vishay / Beyschlag

RES 1.15 OHM 1% 2/5W MELF 0204

0
MMA02040D7151CB300

MMA02040D7151CB300

Vishay / Beyschlag

RES 7.15KOHM 0.25% 1/4W MELF0204

0
MMB02070D1501DB700

MMB02070D1501DB700

Vishay / Beyschlag

RES 1.5K OHM 0.5% 1W MELF 0207

0
MCU08050F2702BP100

MCU08050F2702BP100

Vishay / Beyschlag

RES SMD 27K OHM 0.1% 1/8W 0805

0
MCU08050D6342BP500

MCU08050D6342BP500

Vishay / Beyschlag

RES SMD 63.4K OHM 0.1% 1/8W 0805

0
SMM02040C5108FB300

SMM02040C5108FB300

Vishay / Beyschlag

RES 5.1 OHM 1% 1/4W MELF 0204

40
MCT06030C1292DP500

MCT06030C1292DP500

Vishay / Beyschlag

RES 12.9K OHM 0.5% 1/8W 0603

0
MCS0402UD2261BE100

MCS0402UD2261BE100

Vishay / Beyschlag

RES 2.26K OHM 0.1% 1/10W 0402

0
MCT06030D3160BP500

MCT06030D3160BP500

Vishay / Beyschlag

RES SMD 316 OHM 0.1% 1/10W 0603

0
MCU08050D3572BP500

MCU08050D3572BP500

Vishay / Beyschlag

RES SMD 35.7K OHM 0.1% 1/8W 0805

0
MCS0402MD5111BE100

MCS0402MD5111BE100

Vishay / Beyschlag

RES SMD 5.11KOHM 0.1% 1/10W 0402

0
MCT06030C6190FPW00

MCT06030C6190FPW00

Vishay / Beyschlag

RES 619 OHM 1% 1/8W 0603

0
MCU08050D1431BP500

MCU08050D1431BP500

Vishay / Beyschlag

RES SMD 1.43K OHM 0.1% 1/8W 0805

0
MCU08050D1503DP500

MCU08050D1503DP500

Vishay / Beyschlag

RES 150K OHM 0.5% 1/5W 0805

0
MCU08050D5232BP500

MCU08050D5232BP500

Vishay / Beyschlag

RES SMD 52.3K OHM 0.1% 1/8W 0805

0
MCU08050D1241BP500

MCU08050D1241BP500

Vishay / Beyschlag

RES SMD 1.24K OHM 0.1% 1/8W 0805

0
SMM02040B1005JB300

SMM02040B1005JB300

Vishay / Beyschlag

RES 10M OHM 5% 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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