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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCT06030C2741DP500

MCT06030C2741DP500

Vishay / Beyschlag

RES 2.74K OHM 0.5% 1/8W 0603

0
M251206BB7509JP500

M251206BB7509JP500

Vishay / Beyschlag

RES SMD 75 OHM 5% 1/4W 1206

0
MCT06030D1912DP500

MCT06030D1912DP500

Vishay / Beyschlag

RES 19.1K OHM 0.5% 1/8W 0603

0
SMM02070C6191FBP00

SMM02070C6191FBP00

Vishay / Beyschlag

RES SMD 6.19K OHM 1% 1W MELF

0
MMA02040C3600FB300

MMA02040C3600FB300

Vishay / Beyschlag

RES 360 OHM 1% 2/5W MELF 0204

2960
MMA02040C2207JB000

MMA02040C2207JB000

Vishay / Beyschlag

RES 0.22 OHM 5% 2/5W MELF 0204

10000
MCW0406MD1650BP100

MCW0406MD1650BP100

Vishay / Beyschlag

RES SMD 165 OHM 1/4W 0604 WIDE

0
SMM02040D7002BB300

SMM02040D7002BB300

Vishay / Beyschlag

RES 70K OHM 0.1% 1/4W MELF 0204

0
MMA02040C1960FB300

MMA02040C1960FB300

Vishay / Beyschlag

RES 196 OHM 1% 2/5W MELF 0204

0
MCT06030D8060BP500

MCT06030D8060BP500

Vishay / Beyschlag

RES SMD 806 OHM 0.1% 1/10W 0603

0
MCT06030C5609DP500

MCT06030C5609DP500

Vishay / Beyschlag

RES 56 OHM 0.5% 1/8W 0603

0
MCA12060D1802BP100

MCA12060D1802BP100

Vishay / Beyschlag

RES SMD 18K OHM 0.1% 1/4W 1206

0
MCA12060D4322BP500

MCA12060D4322BP500

Vishay / Beyschlag

RES SMD 43.2K OHM 0.1% 1/4W 1206

0
MCT0603MD7501BP500

MCT0603MD7501BP500

Vishay / Beyschlag

RES 7.5K OHM 0.1% 1/8W 0603

0
MCA12060D1002BP100

MCA12060D1002BP100

Vishay / Beyschlag

RES SMD 10K OHM 0.1% 1/4W 1206

0
SMM02040C2000FB000

SMM02040C2000FB000

Vishay / Beyschlag

RES 200 OHM 1% 1/4W MELF 0204

0
SMM02040C1601FB300

SMM02040C1601FB300

Vishay / Beyschlag

RES 1.6K OHM 1% 1/4W MELF 0204

2453
MMU01020C5101FB300

MMU01020C5101FB300

Vishay / Beyschlag

RES 5.1K OHM 1% 0.3W MELF 0102

13882
MCU08050C1332DP500

MCU08050C1332DP500

Vishay / Beyschlag

RES 13.3K OHM 0.5% 1/5W 0805

0
MCT06030C2402FP50S

MCT06030C2402FP50S

Vishay / Beyschlag

RES 24K OHM 1% 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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