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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
M251206BB2200JP500

M251206BB2200JP500

Vishay / Beyschlag

RES SMD 220 OHM 5% 1/4W 1206

0
MCS04020D7502BE000

MCS04020D7502BE000

Vishay / Beyschlag

MCS 0402-25 0.1% E0 75K

0
MCU08050C2550FP500

MCU08050C2550FP500

Vishay / Beyschlag

RES 255 OHM 1% 1/5W 0805

0
SMM02040D2492BB100

SMM02040D2492BB100

Vishay / Beyschlag

RES 24.9KOHM 0.1% 1/4W MELF 0204

0
MCW0406MD9531BP100

MCW0406MD9531BP100

Vishay / Beyschlag

RES SMD 9.53K OHM 1/4W 0604 WIDE

0
MCT0603MD4702BP100

MCT0603MD4702BP100

Vishay / Beyschlag

RES SMD 47K OHM 0.1% 1/8W 0603

2000
SMM02040D1403BB100

SMM02040D1403BB100

Vishay / Beyschlag

RES 140K OHM 0.1% 1/4W MELF 0204

0
MCT06030C2941FPW00

MCT06030C2941FPW00

Vishay / Beyschlag

RES 2.94K OHM 1% 1/8W 0603

0
MCS04020D4309DE000

MCS04020D4309DE000

Vishay / Beyschlag

RES 43 OHM 0.5% 1/10W 0402

0
MMA02040C4703FB300

MMA02040C4703FB300

Vishay / Beyschlag

RES SMD 470K OHM 1% 0.4W 0204

1428
SMM02040C8252FB000

SMM02040C8252FB000

Vishay / Beyschlag

RES 82.5K OHM 1% 1/4W MELF 0204

0
MCS04020D7152BE100

MCS04020D7152BE100

Vishay / Beyschlag

RES SMD 71.5KOHM 0.1% 1/16W 0402

0
MMA02040C3832FB300

MMA02040C3832FB300

Vishay / Beyschlag

RES 38.3K OHM 1% 2/5W MELF 0204

0
MCT06030D5111BP500

MCT06030D5111BP500

Vishay / Beyschlag

RES SMD 5.11KOHM 0.1% 1/10W 0603

0
MMB0207MC3603FB200

MMB0207MC3603FB200

Vishay / Beyschlag

RES SMD 360K OHM 1% 1W MELF

2861
MCT06030D5491BP500

MCT06030D5491BP500

Vishay / Beyschlag

RES SMD 5.49KOHM 0.1% 1/10W 0603

0
MMA02040E2152BB300

MMA02040E2152BB300

Vishay / Beyschlag

RES 21.5KOHM 0.1% 1/4W MELF 0204

0
MCT06030C5113FP500

MCT06030C5113FP500

Vishay / Beyschlag

RES SMD 511K OHM 1% 1/8W 0603

0
MCS04020D4421BE100

MCS04020D4421BE100

Vishay / Beyschlag

RES SMD 4.42KOHM 0.1% 1/16W 0402

0
MCT06030C1802DP500

MCT06030C1802DP500

Vishay / Beyschlag

RES 18K 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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