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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040C2003FB300

SMM02040C2003FB300

Vishay / Beyschlag

RES 200K OHM 1% 1/4W MELF 0204

29590
MCT06030C2871FP500

MCT06030C2871FP500

Vishay / Beyschlag

RES SMD 2.87K OHM 1% 1/8W 0603

0
MMB02070C2700FB200

MMB02070C2700FB200

Vishay / Beyschlag

RES SMD 270 OHM 1% 1W 0207

72
SMM02040C1470FB300

SMM02040C1470FB300

Vishay / Beyschlag

RES 147 OHM 1% 1/4W MELF 0204

0
MMA02040C1333FB000

MMA02040C1333FB000

Vishay / Beyschlag

RES 133K OHM 1% 2/5W MELF 0204

0
MMA02040C4999FA300

MMA02040C4999FA300

Vishay / Beyschlag

RES 49.9 OHM 1% 2/5W MELF 0204

0
MCS04020C1001FE000

MCS04020C1001FE000

Vishay / Beyschlag

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

25526
MCU08050D7871BP100

MCU08050D7871BP100

Vishay / Beyschlag

RES SMD 7.87K OHM 0.1% 1/8W 0805

0
MCU08050C1332FP500

MCU08050C1332FP500

Vishay / Beyschlag

RES 13.3K OHM 1% 1/5W 0805

0
MCU08050C5602FP500

MCU08050C5602FP500

Vishay / Beyschlag

RES SMD 56K OHM 1% 1/5W 0805

0
MCT0603MD3743BP100

MCT0603MD3743BP100

Vishay / Beyschlag

RES 374K OHM 0.1% 1/8W 0603

0
MMA02040C1500FB300

MMA02040C1500FB300

Vishay / Beyschlag

RES SMD 150 OHM 1% 0.4W 0204

2560
MCT06030C1543FP500

MCT06030C1543FP500

Vishay / Beyschlag

RES SMD 154K OHM 1% 1/8W 0603

0
MMA02040C3243FB300

MMA02040C3243FB300

Vishay / Beyschlag

RES 324K OHM 1% 2/5W MELF 0204

0
MCT06030C4879FP500

MCT06030C4879FP500

Vishay / Beyschlag

RES 48.7 OHM 1% 1/8W 0603

0
SMM02040D4871BB300

SMM02040D4871BB300

Vishay / Beyschlag

RES 4.87KOHM 0.1% 1/4W MELF 0204

0
MCA12060D1580BP100

MCA12060D1580BP100

Vishay / Beyschlag

RES SMD 158 OHM 0.1% 1/4W 1206

0
SMM02040E9102BB300

SMM02040E9102BB300

Vishay / Beyschlag

RES 91K OHM 0.1% 1/4W MELF 0204

0
MCT06030D4990BP100

MCT06030D4990BP100

Vishay / Beyschlag

RES SMD 499 OHM 0.1% 1/10W 0603

0
MMB02070C5100FB700

MMB02070C5100FB700

Vishay / Beyschlag

RES SMD 510 OHM 1% 1W 0207

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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