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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCT06030D5622BP500

MCT06030D5622BP500

Vishay / Beyschlag

RES SMD 56.2KOHM 0.1% 1/10W 0603

0
MMB02070C4707FB200

MMB02070C4707FB200

Vishay / Beyschlag

RES 0.47 OHM 1% 1W 0207

3234
MCS04020D2213BE100

MCS04020D2213BE100

Vishay / Beyschlag

RES SMD 221K OHM 0.1% 1/16W 0402

3995
MCT06030C1132FP500

MCT06030C1132FP500

Vishay / Beyschlag

RES SMD 11.3K OHM 1% 1/8W 0603

0
MCS04020C3099FE000

MCS04020C3099FE000

Vishay / Beyschlag

RES 30.9 OHM 1% 1/10W 0402

0
MMA02040C9092FA300

MMA02040C9092FA300

Vishay / Beyschlag

RES 90.9K OHM 1% 2/5W MELF 0204

0
MCT0603MD2000BP100

MCT0603MD2000BP100

Vishay / Beyschlag

RES SMD 200 OHM 0.1% 1/8W 0603

0
MCT06030C6983FP500

MCT06030C6983FP500

Vishay / Beyschlag

RES 698K OHM 1% 1/8W 0603

0
MCT06030C1210FP50S

MCT06030C1210FP50S

Vishay / Beyschlag

RES 121 OHM 1% 1/8W 0603

0
MCS04020C1542DE000

MCS04020C1542DE000

Vishay / Beyschlag

RES 15.4K OHM 0.5% 1/10W 0402

0
MMU01020C2701FB300

MMU01020C2701FB300

Vishay / Beyschlag

RES 2.7K OHM 1% 0.3W MELF 0102

3580
MCT06030C6819FP50S

MCT06030C6819FP50S

Vishay / Beyschlag

RES 68.1 OHM 1% 1/8W 0603

0
MCT06030E9002BP100

MCT06030E9002BP100

Vishay / Beyschlag

RES SMD 90K OHM 0.1% 1/10W 0603

0
SMM02040C3308FB300

SMM02040C3308FB300

Vishay / Beyschlag

RES 3.3 OHM 1% 1/4W MELF 0204

2423
MMA02040C6049FB000

MMA02040C6049FB000

Vishay / Beyschlag

RES 60.4 OHM 1% 2/5W MELF 0204

0
MCT06030C2214FPW00

MCT06030C2214FPW00

Vishay / Beyschlag

RES SMD 2.21M OHM 1% 1/8W 0603

0
MCU08050D1740BP500

MCU08050D1740BP500

Vishay / Beyschlag

RES SMD 174 OHM 0.1% 1/8W 0805

0
MCU08050D3902BP100

MCU08050D3902BP100

Vishay / Beyschlag

RES SMD 39K OHM 0.1% 1/8W 0805

0
MCT06030D2001BP100

MCT06030D2001BP100

Vishay / Beyschlag

RES SMD 2K OHM 0.1% 1/10W 0603

8865
SMM02040D1260BB300

SMM02040D1260BB300

Vishay / Beyschlag

RES 126 OHM 0.1% 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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