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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MMB02070C3003FB200

MMB02070C3003FB200

Vishay / Beyschlag

RES SMD 300K OHM 1% 1W 0207

0
MMA02040C2400FA300

MMA02040C2400FA300

Vishay / Beyschlag

RES 240 OHM 1% 2/5W MELF 0204

0
MCU08050C6653FP500

MCU08050C6653FP500

Vishay / Beyschlag

RES 665K OHM 1% 1/5W 0805

0
MMA02040C1800FB300

MMA02040C1800FB300

Vishay / Beyschlag

RES SMD 180 OHM 1% 0.4W 0204

4933
MCT06030C2151FP500

MCT06030C2151FP500

Vishay / Beyschlag

RES SMD 2.15K OHM 1% 1/8W 0603

0
MCT06030C3323FP500

MCT06030C3323FP500

Vishay / Beyschlag

RES SMD 332K OHM 1% 1/8W 0603

9032
MCT06030C4021FP50S

MCT06030C4021FP50S

Vishay / Beyschlag

RES 4.02K OHM 1% 1/8W 0603

0
MCU08050D2741BP500

MCU08050D2741BP500

Vishay / Beyschlag

RES SMD 2.74K OHM 0.1% 1/8W 0805

0
SMM02040C2430FB000

SMM02040C2430FB000

Vishay / Beyschlag

RES 243 OHM 1% 1/4W MELF 0204

0
MMA02040D3323BB100

MMA02040D3323BB100

Vishay / Beyschlag

RES 332K OHM 0.1% 1/4W MELF 0204

0
MCS04020C2051FE000

MCS04020C2051FE000

Vishay / Beyschlag

RES SMD 2.05K OHM 1% 1/10W 0402

0
MCU08050C5902FP500

MCU08050C5902FP500

Vishay / Beyschlag

RES 59K OHM 1% 1/5W 0805

0
MCU08050D2260BP100

MCU08050D2260BP100

Vishay / Beyschlag

RES SMD 226 OHM 0.1% 1/8W 0805

0
MCA12060D3321BP500

MCA12060D3321BP500

Vishay / Beyschlag

RES SMD 3.32K OHM 0.1% 1/4W 1206

0
MCS04020D1371BE100

MCS04020D1371BE100

Vishay / Beyschlag

RES SMD 1.37KOHM 0.1% 1/16W 0402

0
SMM02040C1820FB300

SMM02040C1820FB300

Vishay / Beyschlag

RES 182 OHM 1% 1/4W MELF 0204

2895
SMM02040C2492FB000

SMM02040C2492FB000

Vishay / Beyschlag

RES 24.9K OHM 1% 1/4W MELF 0204

0
MCS04020D3092BE100

MCS04020D3092BE100

Vishay / Beyschlag

RES SMD 30.9KOHM 0.1% 1/16W 0402

0
SMM02040C2213DB300

SMM02040C2213DB300

Vishay / Beyschlag

RES 221K OHM 0.5% 1/4W MELF 0204

0
MCA12060D1960BP500

MCA12060D1960BP500

Vishay / Beyschlag

RES SMD 196 OHM 0.1% 1/4W 1206

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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