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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
CRCW0805430KFKEBC

CRCW0805430KFKEBC

Vishay / Dale

RES 430K OHM 1% 1/8W 0805

0
WSL0805R0200FEK

WSL0805R0200FEK

Vishay / Dale

RES 0.02 OHM 1% 1/8W 0805

0
TNPW060326K7BEEN

TNPW060326K7BEEN

Vishay / Dale

RES 26.7K OHM 0.1% 1/8W 0603

0
CRCW201076K8FKEFHP

CRCW201076K8FKEFHP

Vishay / Dale

RES SMD 76.8K OHM 1% 1W 2010

0
CRCW25126R49FKEGHP

CRCW25126R49FKEGHP

Vishay / Dale

RES SMD 6.49 OHM 1% 1.5W 2512

0
RCP1206B150RJEA

RCP1206B150RJEA

Vishay / Dale

RES SMD 150 OHM 5% 2.4W 1206

0
M55342K02B1B24RWS

M55342K02B1B24RWS

Vishay / Dale

RES SMD 1.24K OHM 0.1% 1/8W 0505

0
TNPW121011K5BEEA

TNPW121011K5BEEA

Vishay / Dale

RES 11.5K OHM 0.1% 1/2W 1210

0
RCS0805768KFKEA

RCS0805768KFKEA

Vishay / Dale

RES SMD 768K OHM 1% 0.4W 0805

0
TNPW080539K2FEEA

TNPW080539K2FEEA

Vishay / Dale

RES 39.2K OHM 1% 1/5W 0805

0
TNPW06033K05BHEA

TNPW06033K05BHEA

Vishay / Dale

RES 3.05K OHM 0.1% 1/8W 0603

0
CRCW0805392KFKEB

CRCW0805392KFKEB

Vishay / Dale

RES SMD 392K OHM 1% 1/8W 0805

0
CRCW0402432RFKTD

CRCW0402432RFKTD

Vishay / Dale

RES SMD 432 OHM 1% 1/16W 0402

0
CRCW0805649RFKEA

CRCW0805649RFKEA

Vishay / Dale

RES SMD 649 OHM 1% 1/8W 0805

4910
CRCW040216K9FKEDC

CRCW040216K9FKEDC

Vishay / Dale

RES 16.9K OHM 1% 1/16W 0402

39224
TNPW0805130KFEEA

TNPW0805130KFEEA

Vishay / Dale

RES 130K OHM 1% 1/5W 0805

0
TNPW0603232RBETA

TNPW0603232RBETA

Vishay / Dale

RES 232 OHM 0.1% 1/10W 0603

0
D55342E07B68B0RWS

D55342E07B68B0RWS

Vishay / Dale

RES SMD 68K OHM 0.1% 1/4W 1206

0
CRCW060312K0JNTB

CRCW060312K0JNTB

Vishay / Dale

RES SMD 12K OHM 5% 1/10W 0603

0
RCP1206W75R0JEC

RCP1206W75R0JEC

Vishay / Dale

RES SMD 75 OHM 5% 2.4W 1206

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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