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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCS04020D2211BE100

MCS04020D2211BE100

Vishay / Beyschlag

RES SMD 2.21KOHM 0.1% 1/16W 0402

0
MCA12060D1270BP500

MCA12060D1270BP500

Vishay / Beyschlag

RES SMD 127 OHM 0.1% 1/4W 1206

0
MMU01020C2401FB300

MMU01020C2401FB300

Vishay / Beyschlag

RES 2.4K OHM 1% 0.3W MELF 0102

78
MMA02040E1603BB300

MMA02040E1603BB300

Vishay / Beyschlag

RES 160K OHM 0.1% 1/4W MELF 0204

0
MCS04020C3920FE000

MCS04020C3920FE000

Vishay / Beyschlag

RES SMD 392 OHM 1% 1/10W 0402

0
MCS04020C6201FE000

MCS04020C6201FE000

Vishay / Beyschlag

RES SMD 6.2K OHM 1% 1/10W 0402

0
MCT06030C3900FPW00

MCT06030C3900FPW00

Vishay / Beyschlag

RES SMD 390 OHM 1% 1/8W 0603

0
MCT06030C8259FP500

MCT06030C8259FP500

Vishay / Beyschlag

RES SMD 82.5 OHM 1% 1/8W 0603

0
MCS04020C2749FE000

MCS04020C2749FE000

Vishay / Beyschlag

RES SMD 27.4 OHM 1% 1/10W 0402

0
MMU01020C2209FB300

MMU01020C2209FB300

Vishay / Beyschlag

RES SMD 22 OHM 1% 0.3W 0102

0
MCT06030C1332FP50S

MCT06030C1332FP50S

Vishay / Beyschlag

RES 13.3K OHM 1% 1/8W 0603

0
MCS04020C4429FE000

MCS04020C4429FE000

Vishay / Beyschlag

RES 44.2 OHM 1% 1/10W 0402

0
MCS04020C9090FE000

MCS04020C9090FE000

Vishay / Beyschlag

RES SMD 909 OHM 1% 1/10W 0402

0
MMA02040C4308FB000

MMA02040C4308FB000

Vishay / Beyschlag

RES 4.3 OHM 1% 2/5W MELF 0204

0
MCT06030C1809FP500

MCT06030C1809FP500

Vishay / Beyschlag

RES SMD 18 OHM 1% 1/8W 0603

0
MCS04020D2401DE000

MCS04020D2401DE000

Vishay / Beyschlag

RES 2.4K OHM 0.5% 1/10W 0402

0
MCA12060D1822BP100

MCA12060D1822BP100

Vishay / Beyschlag

RES SMD 18.2K OHM 0.1% 1/4W 1206

0
MCU08050D1434BP100

MCU08050D1434BP100

Vishay / Beyschlag

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

0
MCT06030D1961DP500

MCT06030D1961DP500

Vishay / Beyschlag

RES 1.96K OHM 0.5% 1/8W 0603

0
MCT0603MD3320BP100

MCT0603MD3320BP100

Vishay / Beyschlag

RES SMD 332 OHM 0.1% 1/8W 0603

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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