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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040C1542FB300

SMM02040C1542FB300

Vishay / Beyschlag

RES 15.4K OHM 1% 1/4W MELF 0204

0
SMM02040C5622FB000

SMM02040C5622FB000

Vishay / Beyschlag

RES 56.2K OHM 1% 1/4W MELF 0204

0
MMA02040E6202BB100

MMA02040E6202BB100

Vishay / Beyschlag

RES 62 KOHM 0.1% 1/4W 0204

326
SMM02040C3320FB000

SMM02040C3320FB000

Vishay / Beyschlag

RES 332 OHM 1% 1/4W MELF 0204

18890
MMA02040D4422BA300

MMA02040D4422BA300

Vishay / Beyschlag

RES 44.2KOHM 0.1% 1/4W MELF 0204

0
MCT06030C1549FP500

MCT06030C1549FP500

Vishay / Beyschlag

RES SMD 15.4 OHM 1% 1/8W 0603

0
MCS04020D1021BE100

MCS04020D1021BE100

Vishay / Beyschlag

RES SMD 1.02KOHM 0.1% 1/16W 0402

0
MCS04020C5230FE000

MCS04020C5230FE000

Vishay / Beyschlag

RES SMD 523 OHM 1% 1/10W 0402

0
SMM02040D5602BB100

SMM02040D5602BB100

Vishay / Beyschlag

RES 56K OHM 0.1% 1/4W MELF 0204

0
CMA02040X1200GB300

CMA02040X1200GB300

Vishay / Beyschlag

RES SMD 120 OHM 2% 0.4W 0204

0
SMM02040E1562BB300

SMM02040E1562BB300

Vishay / Beyschlag

RES 15.6KOHM 0.1% 1/4W MELF 0204

0
MCT06030E5112CP100

MCT06030E5112CP100

Vishay / Beyschlag

RES SMD 51.1K OHM 1/10W 0603

0
MMA02040D1961BA300

MMA02040D1961BA300

Vishay / Beyschlag

RES 1.96KOHM 0.1% 1/4W MELF 0204

0
MCU08050C6811DP500

MCU08050C6811DP500

Vishay / Beyschlag

RES 6.81K OHM 0.5% 1/5W 0805

0
MCA12060D5009BP500

MCA12060D5009BP500

Vishay / Beyschlag

RES SMD 50 OHM 0.1% 1/4W 1206

0
MMA02040C1961FA300

MMA02040C1961FA300

Vishay / Beyschlag

RES 1.96K OHM 1% 2/5W MELF 0204

0
MCW0406MD2940BP100

MCW0406MD2940BP100

Vishay / Beyschlag

RES SMD 294 OHM 1/4W 0604 WIDE

0
MMA02040C3240FA300

MMA02040C3240FA300

Vishay / Beyschlag

RES 324 OHM 1% 2/5W MELF 0204

0
MCA12060D1400BP100

MCA12060D1400BP100

Vishay / Beyschlag

RES SMD 140 OHM 0.1% 1/4W 1206

0
MMA02040E1503BB300

MMA02040E1503BB300

Vishay / Beyschlag

RES 150K 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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