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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCU08050D2702BP500

MCU08050D2702BP500

Vishay / Beyschlag

RES SMD 27K OHM 0.1% 1/8W 0805

0
SMM02040C9102FB300

SMM02040C9102FB300

Vishay / Beyschlag

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

670
SMM02040C3302FB000

SMM02040C3302FB000

Vishay / Beyschlag

RES 33K OHM 1% 1/4W MELF 0204

0
SMM02040C1504FB300

SMM02040C1504FB300

Vishay / Beyschlag

RES 1.5M OHM 1% 1/4W MELF 0204

2434
SMM02040D2219DB300

SMM02040D2219DB300

Vishay / Beyschlag

RES 22.1 OHM 0.5% 1/4W MELF 0204

0
MCS04020D8061BE100

MCS04020D8061BE100

Vishay / Beyschlag

RES SMD 8.06KOHM 0.1% 1/16W 0402

0
MCS04020C2200FE000

MCS04020C2200FE000

Vishay / Beyschlag

RES SMD 220 OHM 1% 1/10W 0402

5716
MMA02040E2203BB100

MMA02040E2203BB100

Vishay / Beyschlag

RES 220K OHM 0.1% 1/4W MELF 0204

1088
MCT06030C4532FP500

MCT06030C4532FP500

Vishay / Beyschlag

RES SMD 45.3K OHM 1% 1/8W 0603

0
MMA02040C6208FA300

MMA02040C6208FA300

Vishay / Beyschlag

RES 6.2 OHM 1% 2/5W MELF 0204

0
MCT06030E5000BP100

MCT06030E5000BP100

Vishay / Beyschlag

RES SMD 500 OHM 0.1% 1/10W 0603

0
MMA02040C9100FB300

MMA02040C9100FB300

Vishay / Beyschlag

RES 910 OHM 1% 2/5W MELF 0204

0
MCS04020D3242BE000

MCS04020D3242BE000

Vishay / Beyschlag

RES SMD 32.4KOHM 0.1% 1/16W 0402

0
SMM02040D1212BB300

SMM02040D1212BB300

Vishay / Beyschlag

RES 12.1KOHM 0.1% 1/4W MELF 0204

8980
MCT06030D2490BP100

MCT06030D2490BP100

Vishay / Beyschlag

RES SMD 249 OHM 0.1% 1/10W 0603

0
SMM02040C2200FB000

SMM02040C2200FB000

Vishay / Beyschlag

RES 220 OHM 1% 1/4W MELF 0204

5609
MCT06030C2261DP500

MCT06030C2261DP500

Vishay / Beyschlag

RES 2.26K OHM 0.5% 1/8W 0603

0
SMM02040D2009DB000

SMM02040D2009DB000

Vishay / Beyschlag

RES 20 OHM 0.5% 1/4W MELF 0204

0
MCU0805MD4999BP100

MCU0805MD4999BP100

Vishay / Beyschlag

RES SMD 49.9 OHM 0.1% 1/5W 0805

0
MCU08050D4991CP100

MCU08050D4991CP100

Vishay / Beyschlag

RES SMD 4.99KOHM 0.25% 1/8W 0805

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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