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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCT0603HE6651BP100

MCT0603HE6651BP100

Vishay / Beyschlag

RES SMD 6.65KOHM 0.1% 1/10W 0603

0
MMB02070C7870FB200

MMB02070C7870FB200

Vishay / Beyschlag

RES SMD 787 OHM 1% 1W 0207

0
MCA12060F4421BP100

MCA12060F4421BP100

Vishay / Beyschlag

RES SMD 4.42K OHM 0.1% 1/4W 1206

0
MMA02040C4701FB000

MMA02040C4701FB000

Vishay / Beyschlag

RES 4.7K OHM 1% 2/5W MELF 0204

0
MCT06030C3301FPW00

MCT06030C3301FPW00

Vishay / Beyschlag

RES SMD 3.3K OHM 1% 1/8W 0603

0
MMA02040C6812FA300

MMA02040C6812FA300

Vishay / Beyschlag

RES 68.1K OHM 1% 2/5W MELF 0204

0
MCS04020C3834FE000

MCS04020C3834FE000

Vishay / Beyschlag

RES SMD 3.83M OHM 1% 1/10W 0402

0
MCT06030C9969FPW00

MCT06030C9969FPW00

Vishay / Beyschlag

RES 99.6 OHM 1% 1/8W 0603

0
MMB02070C2432FB200

MMB02070C2432FB200

Vishay / Beyschlag

RES SMD 24.3K OHM 1% 1W 0207

0
MCA12060D4750BP100

MCA12060D4750BP100

Vishay / Beyschlag

RES SMD 475 OHM 0.1% 1/4W 1206

0
MCU08050D3651BP100

MCU08050D3651BP100

Vishay / Beyschlag

RES SMD 3.65K OHM 0.1% 1/8W 0805

0
MCT06030D5600BP100

MCT06030D5600BP100

Vishay / Beyschlag

RES SMD 560 OHM 0.1% 1/10W 0603

0
MCT06030C1022DP500

MCT06030C1022DP500

Vishay / Beyschlag

RES 10.2K OHM 0.5% 1/8W 0603

0
MCA12060D1581BP100

MCA12060D1581BP100

Vishay / Beyschlag

RES SMD 1.58K OHM 0.1% 1/4W 1206

0
MCT06030C2619FP500

MCT06030C2619FP500

Vishay / Beyschlag

RES 26.1 OHM 1% 1/8W 0603

0
MCA12060D4992BP100

MCA12060D4992BP100

Vishay / Beyschlag

RES SMD 49.9K OHM 0.1% 1/4W 1206

0
MCT06030D1070BP100

MCT06030D1070BP100

Vishay / Beyschlag

RES SMD 107 OHM 0.1% 1/10W 0603

0
MCT06030C7500FP500

MCT06030C7500FP500

Vishay / Beyschlag

RES SMD 750 OHM 1% 1/8W 0603

9577
MCU08050D4020DP500

MCU08050D4020DP500

Vishay / Beyschlag

RES SMD 402 OHM 0.5% 1/5W 0805

0
MMA02040E9001BB100

MMA02040E9001BB100

Vishay / Beyschlag

RES 9K 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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