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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCS04020D4872BE100

MCS04020D4872BE100

Vishay / Beyschlag

RES SMD 48.7KOHM 0.1% 1/16W 0402

0
MMB02070C3743FB200

MMB02070C3743FB200

Vishay / Beyschlag

RES SMD 374K OHM 1% 1W 0207

0
MCU08050D3161BP500

MCU08050D3161BP500

Vishay / Beyschlag

RES SMD 3.16K OHM 0.1% 1/8W 0805

0
MCU08050D3903BP500

MCU08050D3903BP500

Vishay / Beyschlag

RES SMD 390K OHM 0.1% 1/8W 0805

0
SMM02040C1549FB000

SMM02040C1549FB000

Vishay / Beyschlag

RES 15.4 OHM 1% 1/4W MELF 0204

0
MCT06030C1104FP500

MCT06030C1104FP500

Vishay / Beyschlag

MCT 0603-50 1% P5 1M1

7936
MCU08050D1044BP100

MCU08050D1044BP100

Vishay / Beyschlag

RES SMD 1.04M OHM 0.1% 1/8W 0805

0
MCS04020C1374FE000

MCS04020C1374FE000

Vishay / Beyschlag

RES SMD 1.37M OHM 1% 1/10W 0402

0
MCS04020D4702BE000

MCS04020D4702BE000

Vishay / Beyschlag

MCS 0402-25 0.1% E0 47K

0
MMA02040C3008FA300

MMA02040C3008FA300

Vishay / Beyschlag

RES 3 OHM 1% 2/5W MELF 0204

0
MCT06030C4021DP500

MCT06030C4021DP500

Vishay / Beyschlag

RES 4.02K OHM 0.5% 1/8W 0603

0
SMM02040C3900FB000

SMM02040C3900FB000

Vishay / Beyschlag

RES 390 OHM 1% 1/4W MELF 0204

0
SMM02040C1651FB300

SMM02040C1651FB300

Vishay / Beyschlag

RES 1.65K OHM 1% 1/4W MELF 0204

0
MCT06030C7871FP500

MCT06030C7871FP500

Vishay / Beyschlag

RES SMD 7.87K OHM 1% 1/8W 0603

0
MCT06030D2322BP500

MCT06030D2322BP500

Vishay / Beyschlag

RES SMD 23.2KOHM 0.1% 1/10W 0603

0
SMM02040C1242FB000

SMM02040C1242FB000

Vishay / Beyschlag

RES 12.4K OHM 1% 1/4W MELF 0204

0
MCW0406MD8872BP100

MCW0406MD8872BP100

Vishay / Beyschlag

RES SMD 88.7K OHM 1/4W 0604 WIDE

0
MCT06030C3103FP500

MCT06030C3103FP500

Vishay / Beyschlag

RES 310K OHM 1% 1/8W 0603

0
SMM02040C8202FB300

SMM02040C8202FB300

Vishay / Beyschlag

RES 82K OHM 1% 1/4W MELF 0204

6150
MCU08050D1741BP100

MCU08050D1741BP100

Vishay / Beyschlag

RES SMD 1.74K 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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