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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCU08050D8662BP500

MCU08050D8662BP500

Vishay / Beyschlag

RES SMD 86.6K OHM 0.1% 1/8W 0805

0
MCA12060D4302BP100

MCA12060D4302BP100

Vishay / Beyschlag

RES SMD 43K OHM 0.1% 1/4W 1206

0
MCT06030C3280FP500

MCT06030C3280FP500

Vishay / Beyschlag

RES 328 OHM 1% 1/8W 0603

0
MMU01020C1002FB300

MMU01020C1002FB300

Vishay / Beyschlag

RES SMD 10K OHM 1% 0.3W 0102

63392
MCS0402MD2003BE100

MCS0402MD2003BE100

Vishay / Beyschlag

RES 200K OHM 0.1% 1/10W 0402

0
MCT06030C2498FP500

MCT06030C2498FP500

Vishay / Beyschlag

RES SMD 2.49 OHM 1% 1/8W 0603

0
MCU08050D7150BP100

MCU08050D7150BP100

Vishay / Beyschlag

RES SMD 715 OHM 0.1% 1/8W 0805

0
MMU01020C1601FB300

MMU01020C1601FB300

Vishay / Beyschlag

RES 1.6K OHM 1% 0.3W MELF 0102

5426
MCU08050C2032DP500

MCU08050C2032DP500

Vishay / Beyschlag

RES 20.3K OHM 0.5% 1/5W 0805

0
MCU08050C3300FPW00

MCU08050C3300FPW00

Vishay / Beyschlag

RES 330 OHM 1% 1/5W 0805

0
MMB02070C1808FB200

MMB02070C1808FB200

Vishay / Beyschlag

RES SMD 1.8 OHM 1% 1W 0207

1990
SMM02040C3010FB300

SMM02040C3010FB300

Vishay / Beyschlag

RES 301 OHM 1% 1/4W MELF 0204

4250
MMA02040E3301BB100

MMA02040E3301BB100

Vishay / Beyschlag

RES 3.3K OHM 0.1% 1/4W MELF 0204

1006
MCT06030C5119FPW00

MCT06030C5119FPW00

Vishay / Beyschlag

RES SMD 51.1 OHM 1% 1/8W 0603

0
MCS04020D1133BE100

MCS04020D1133BE100

Vishay / Beyschlag

RES 113K OHM 0.1% 1/16W 0402

0
MCS04020D2941BE100

MCS04020D2941BE100

Vishay / Beyschlag

RES SMD 2.94KOHM 0.1% 1/16W 0402

0
SMM02040E4421BB300

SMM02040E4421BB300

Vishay / Beyschlag

RES 4.42KOHM 0.1% 1/4W MELF 0204

0
MMB02070C1002FB700

MMB02070C1002FB700

Vishay / Beyschlag

RES SMD 10K OHM 1% 1W 0207

4500
MMA02040D6191DB000

MMA02040D6191DB000

Vishay / Beyschlag

RES 6.19KOHM 0.5% 2/5W MELF 0204

0
MCT06030C2371DPW00

MCT06030C2371DPW00

Vishay / Beyschlag

RES 2.37K OHM 0.5% 1/8W 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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