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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040D2211DB300

SMM02040D2211DB300

Vishay / Beyschlag

RES 2.21KOHM 0.5% 1/4W MELF 0204

0
MCS04020C1131FE000

MCS04020C1131FE000

Vishay / Beyschlag

RES SMD 1.13K OHM 1% 1/10W 0402

0
MCS0402PD1002DE500

MCS0402PD1002DE500

Vishay / Beyschlag

RES 10K OHM 0.5% 1/5W 0402

5784
MCS04020D9312BE100

MCS04020D9312BE100

Vishay / Beyschlag

RES SMD 93.1KOHM 0.1% 1/16W 0402

0
MCS04020C1809FE000

MCS04020C1809FE000

Vishay / Beyschlag

RES 18 OHM 1% 1/10W 0402

0
MCT06030C1332FPW00

MCT06030C1332FPW00

Vishay / Beyschlag

RES 13.3K OHM 1% 1/8W 0603

0
MCT06030C2801FP500

MCT06030C2801FP500

Vishay / Beyschlag

RES SMD 2.8K OHM 1% 1/8W 0603

0
MCW0612MC4700FP500

MCW0612MC4700FP500

Vishay / Beyschlag

RES 470 OHM 1% 1W 1206 WIDE

0
MMA02040C1273FB300

MMA02040C1273FB300

Vishay / Beyschlag

RES 127K OHM 1% 2/5W MELF 0204

0
MCS04020C5102FE000

MCS04020C5102FE000

Vishay / Beyschlag

RES SMD 51K OHM 1% 1/10W 0402

0
MCU08050C1803FP500

MCU08050C1803FP500

Vishay / Beyschlag

RES SMD 180K OHM 1% 1/5W 0805

0
SMM02070C4648FBP00

SMM02070C4648FBP00

Vishay / Beyschlag

RES SMD 4.64 OHM 1% 1W MELF

0
MCA12060D5110BP500

MCA12060D5110BP500

Vishay / Beyschlag

RES SMD 511 OHM 0.1% 1/4W 1206

0
MCA12060D2051BP100

MCA12060D2051BP100

Vishay / Beyschlag

RES SMD 2.05K OHM 0.1% 1/4W 1206

0
MMU01020C6201FB300

MMU01020C6201FB300

Vishay / Beyschlag

RES 6.2K OHM 1% 0.3W MELF 0102

10398
MCU08050D2941BP100

MCU08050D2941BP100

Vishay / Beyschlag

RES SMD 2.94K OHM 0.1% 1/8W 0805

0
MMA02040C1822FB300

MMA02040C1822FB300

Vishay / Beyschlag

RES 18.2K OHM 1% 2/5W MELF 0204

3015
MCA12060D8661BP100

MCA12060D8661BP100

Vishay / Beyschlag

RES SMD 8.66K OHM 0.1% 1/4W 1206

0
MMA02040C2494FA300

MMA02040C2494FA300

Vishay / Beyschlag

RES 2.49M OHM 1% 2/5W MELF 0204

0
MCT06030D7322BP500

MCT06030D7322BP500

Vishay / Beyschlag

RES SMD 73.2KOHM 0.1% 1/10W 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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