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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MMA02040D3489CB300

MMA02040D3489CB300

Vishay / Beyschlag

RES 34.8 OHM 0.25% 1/4W MELF0204

0
MCU08050D3741BP500

MCU08050D3741BP500

Vishay / Beyschlag

RES SMD 3.74K OHM 0.1% 1/8W 0805

0
MCS04020C6800DE000

MCS04020C6800DE000

Vishay / Beyschlag

RES 680 OHM 0.5% 1/10W 0402

0
MCT06030C6340FP500

MCT06030C6340FP500

Vishay / Beyschlag

RES SMD 634 OHM 1% 1/8W 0603

0
MCT06030D1213BP500

MCT06030D1213BP500

Vishay / Beyschlag

RES SMD 121K OHM 0.1% 1/10W 0603

0
MMA02040C5239FB300

MMA02040C5239FB300

Vishay / Beyschlag

RES 52.3 OHM 1% 2/5W MELF 0204

0
MMA02040C1100FB300

MMA02040C1100FB300

Vishay / Beyschlag

RES 110 OHM 1% 2/5W MELF 0204

3590
SMM02040E2702BB100

SMM02040E2702BB100

Vishay / Beyschlag

RES 27K OHM 0.1% 1/4W MELF 0204

0
MMA02040C7502FB000

MMA02040C7502FB000

Vishay / Beyschlag

RES 75K OHM 1% 2/5W MELF 0204

0
SMM02040C4221FB300

SMM02040C4221FB300

Vishay / Beyschlag

RES 4.22K OHM 1% 1/4W MELF 0204

2900
SMM02040C5603FB000

SMM02040C5603FB000

Vishay / Beyschlag

RES 560K OHM 1% 1/4W MELF 0204

0
MCT06030D1072BP100

MCT06030D1072BP100

Vishay / Beyschlag

RES SMD 10.7KOHM 0.1% 1/10W 0603

0
MCU08050D1402BP500

MCU08050D1402BP500

Vishay / Beyschlag

RES SMD 14K OHM 0.1% 1/8W 0805

0
MCU08050C8873FP500

MCU08050C8873FP500

Vishay / Beyschlag

RES 887K OHM 1% 1/5W 0805

0
MCS04020D3320DE000

MCS04020D3320DE000

Vishay / Beyschlag

RES SMD 332 OHM 0.5% 1/10W 0402

0
MCS04020C8661DE000

MCS04020C8661DE000

Vishay / Beyschlag

RES 8.66K OHM 0.5% 1/10W 0402

0
MCS04020C1964FE000

MCS04020C1964FE000

Vishay / Beyschlag

RES SMD 1.96M OHM 1% 1/10W 0402

0
MCT06030D1582BP500

MCT06030D1582BP500

Vishay / Beyschlag

RES SMD 15.8KOHM 0.1% 1/10W 0603

0
MMA02040E1601BB100

MMA02040E1601BB100

Vishay / Beyschlag

RES 1.6K OHM 0.1% 1/4W MELF 0204

700
MCT06030C3831FP500

MCT06030C3831FP500

Vishay / Beyschlag

RES SMD 3.83K OHM 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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