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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MMU01020C2000FB300

MMU01020C2000FB300

Vishay / Beyschlag

RES 200 OHM 1% 0.3W MELF 0102

6398
MCW0406MD7150BP100

MCW0406MD7150BP100

Vishay / Beyschlag

RES SMD 715 OHM 1/4W 0604 WIDE

0
MCT06030C1699FP500

MCT06030C1699FP500

Vishay / Beyschlag

RES 16.9 OHM 1% 1/8W 0603

0
SMM02040E4302BB300

SMM02040E4302BB300

Vishay / Beyschlag

RES 43K OHM 0.1% 1/4W MELF 0204

0
SMM02040C8661FB300

SMM02040C8661FB300

Vishay / Beyschlag

RES 8.66K OHM 1% 1/4W MELF 0204

0
MMA02040C9091FA300

MMA02040C9091FA300

Vishay / Beyschlag

RES 9.09K OHM 1% 2/5W MELF 0204

0
MMA02040C5110FB000

MMA02040C5110FB000

Vishay / Beyschlag

RES 511 OHM 1% 2/5W MELF 0204

0
MMB02070C4991FB200

MMB02070C4991FB200

Vishay / Beyschlag

RES SMD 4.99K OHM 1% 1W 0207

0
MMA02040C6810FB300

MMA02040C6810FB300

Vishay / Beyschlag

RES 681 OHM 1% 2/5W MELF 0204

37625
MCS04020C2703FE000

MCS04020C2703FE000

Vishay / Beyschlag

RES SMD 270K OHM 1% 1/10W 0402

12332
MMA02040C3923FB300

MMA02040C3923FB300

Vishay / Beyschlag

RES 392K OHM 1% 2/5W MELF 0204

3000
MCU08050C5108FP500

MCU08050C5108FP500

Vishay / Beyschlag

RES 5.1 OHM 1% 1/5W 0805

0
MMU01020C5602FB300

MMU01020C5602FB300

Vishay / Beyschlag

RES 56K OHM 1% 0.3W MELF 0102

3000
MCT06030C3303FP500

MCT06030C3303FP500

Vishay / Beyschlag

RES SMD 330K OHM 1% 1/8W 0603

2551
SMM02040C4870FB000

SMM02040C4870FB000

Vishay / Beyschlag

RES 487 OHM 1% 1/4W MELF 0204

0
MCT06030C3901FP500

MCT06030C3901FP500

Vishay / Beyschlag

RES SMD 3.9K OHM 1% 1/8W 0603

0
MCS04020D3300DE000

MCS04020D3300DE000

Vishay / Beyschlag

RES 330 OHM 0.5% 1/10W 0402

0
MCA12060D7320BP100

MCA12060D7320BP100

Vishay / Beyschlag

RES SMD 732 OHM 0.1% 1/4W 1206

0
MCT06030C2559FP500

MCT06030C2559FP500

Vishay / Beyschlag

RES 25.5 OHM 1% 1/8W 0603

0
MCA12060F4991BP100

MCA12060F4991BP100

Vishay / Beyschlag

RES SMD 4.99K OHM 0.1% 1/4W 1206

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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