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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
CRCW1206619KDHEAP

CRCW1206619KDHEAP

Vishay / Dale

RES SMD 619K OHM 0.5% 1/4W 1206

0
M55342K02B100ERWSV

M55342K02B100ERWSV

Vishay / Dale

RES SMD 100K OHM 1% 1/8W 0505

0
D55342E07B75H0RWI

D55342E07B75H0RWI

Vishay / Dale

RES SMD 75K OHM 2% 1/4W 1206

0
M55342H06B9E09RWS

M55342H06B9E09RWS

Vishay / Dale

RES SMD 9.09K OHM 1% 0.15W 0705

0
RCS040275K0FKED

RCS040275K0FKED

Vishay / Dale

RES SMD 75K OHM 1% 1/5W 0402

9620
CRCW1206390KFKEA

CRCW1206390KFKEA

Vishay / Dale

RES SMD 390K OHM 1% 1/4W 1206

4879
CRCW060312R0FKEAHP

CRCW060312R0FKEAHP

Vishay / Dale

RES SMD 12 OHM 1% 1/3W 0603

1245
M55342K06B54B9RWS

M55342K06B54B9RWS

Vishay / Dale

RES SMD 54.9KOHM 0.1% 0.15W 0805

0
CRCW1210374KFKEAHP

CRCW1210374KFKEAHP

Vishay / Dale

RES SMD 374K OHM 1% 3/4W 1210

0
TNPW080541R2BETA

TNPW080541R2BETA

Vishay / Dale

RES 41.2 OHM 0.1% 1/8W 0805

0
CRCW1206187RFKEA

CRCW1206187RFKEA

Vishay / Dale

RES SMD 187 OHM 1% 1/4W 1206

13797
RCS0402196KFKED

RCS0402196KFKED

Vishay / Dale

RES SMD 196K OHM 1% 1/5W 0402

0
CRCW251233R0FKEG

CRCW251233R0FKEG

Vishay / Dale

RES SMD 33 OHM 1% 1W 2512

0
TNPW060337R4BETA

TNPW060337R4BETA

Vishay / Dale

RES 37.4 OHM 0.1% 1/10W 0603

0
CRCW06036R80JNTA

CRCW06036R80JNTA

Vishay / Dale

RES SMD 6.8 OHM 5% 1/10W 0603

0
TNPU0805226KAZEN00

TNPU0805226KAZEN00

Vishay / Dale

RES SMD 226K OHM 0.05% 1/8W 0805

0
TNPW0805330KBETA

TNPW0805330KBETA

Vishay / Dale

RES 330K OHM 0.1% 1/8W 0805

0
CRCW12182R05FNEK

CRCW12182R05FNEK

Vishay / Dale

RES SMD 2.05 OHM 1% 1W 1218

0
TNPW120613K0BEEN

TNPW120613K0BEEN

Vishay / Dale

RES 13K OHM 0.1% 2/5W 1206

0
M55342E06B3B32RTS

M55342E06B3B32RTS

Vishay / Dale

RES SMD 3.32KOHM 0.1% 0.15W 0805

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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