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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040C1051FB300

SMM02040C1051FB300

Vishay / Beyschlag

RES 1.05K OHM 1% 1/4W MELF 0204

0
MCS04020D1002DE000

MCS04020D1002DE000

Vishay / Beyschlag

RES SMD 10K OHM 0.5% 1/10W 0402

0
MCW0406MD1741BP100

MCW0406MD1741BP100

Vishay / Beyschlag

RES SMD 1.74K OHM 1/4W 0604 WIDE

0
SMM02040E1001DB300

SMM02040E1001DB300

Vishay / Beyschlag

RES 1K OHM 0.5% 1/4W MELF 0204

0
MCT06030E3321BP100

MCT06030E3321BP100

Vishay / Beyschlag

RES SMD 3.32KOHM 0.1% 1/10W 0603

0
SMM02040B3908JB000

SMM02040B3908JB000

Vishay / Beyschlag

RES 3.9 OHM 5% 1/4W MELF 0204

0
MCU08050D3570BP500

MCU08050D3570BP500

Vishay / Beyschlag

RES SMD 357 OHM 0.1% 1/8W 0805

0
MCU08050D8061BP500

MCU08050D8061BP500

Vishay / Beyschlag

RES SMD 8.06K OHM 0.1% 1/8W 0805

0
SMM02040E5609BB300

SMM02040E5609BB300

Vishay / Beyschlag

RES 56 OHM 0.1% 1/4W MELF 0204

0
MCS04020D3831BE100

MCS04020D3831BE100

Vishay / Beyschlag

RES SMD 3.83KOHM 0.1% 1/16W 0402

0
SMM02070C4420FBS00

SMM02070C4420FBS00

Vishay / Beyschlag

RES SMD 442 OHM 1% 1W MELF

0
MMA02040C1000FB000

MMA02040C1000FB000

Vishay / Beyschlag

RES 100 OHM 1% 2/5W MELF 0204

7636
MCS04020C3301FE000

MCS04020C3301FE000

Vishay / Beyschlag

RES SMD 3.3K OHM 1% 1/10W 0402

113006
MCU08050C2802FP500

MCU08050C2802FP500

Vishay / Beyschlag

RES 28K OHM 1% 1/5W 0805

0
MCA12060D4300BP100

MCA12060D4300BP100

Vishay / Beyschlag

RES SMD 430 OHM 0.1% 1/4W 1206

0
MCU08050D2552BP500

MCU08050D2552BP500

Vishay / Beyschlag

RES SMD 25.5K OHM 0.1% 1/8W 0805

0
MCW0406MD3242BP100

MCW0406MD3242BP100

Vishay / Beyschlag

RES SMD 32.4K OHM 1/4W 0604 WIDE

0
MMB02070C7507GB200

MMB02070C7507GB200

Vishay / Beyschlag

RES 0.75 OHM 2% 1W MELF 0207

0
MMA02040C2202FB000

MMA02040C2202FB000

Vishay / Beyschlag

RES 22K OHM 1% 2/5W MELF 0204

3050
MMA02040E6349BB100

MMA02040E6349BB100

Vishay / Beyschlag

RES 63.4 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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