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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
M55342E06B301ARTS

M55342E06B301ARTS

Vishay / Dale

RES SMD 301 OHM 0.1% 0.15W 0705

0
RCL121812R1FKEK

RCL121812R1FKEK

Vishay / Dale

RES SMD 12.1 OHM 1W 1812 WIDE

0
TNPW060347R5DEEA

TNPW060347R5DEEA

Vishay / Dale

RES 47.5 OHM 0.5% 1/8W 0603

0
CRCW06037K87FKEAHP

CRCW06037K87FKEAHP

Vishay / Dale

RES SMD 7.87K OHM 1% 1/3W 0603

0
M55342H04B69E8RWS

M55342H04B69E8RWS

Vishay / Dale

RES SMD 69.8K OHM 1% 0.15W 1505

0
RCP0505B1K60JET

RCP0505B1K60JET

Vishay / Dale

RES SMD 1.6K OHM 5% 1.4W 0505

0
TNPW060322R1FHEA

TNPW060322R1FHEA

Vishay / Dale

RES 22.1 OHM 1% 1/8W 0603

0
TNPU06037K87AZEN00

TNPU06037K87AZEN00

Vishay / Dale

RES SMD 7.87K OHM 1/10W 0603

0
CRCW08055R10JNEAHP

CRCW08055R10JNEAHP

Vishay / Dale

RES SMD 5.1 OHM 5% 1/2W 0805

3723
CRCW12061R13FNEA

CRCW12061R13FNEA

Vishay / Dale

RES SMD 1.13 OHM 1% 1/4W 1206

0
CRCW1206562RFKTA

CRCW1206562RFKTA

Vishay / Dale

RES SMD 562 OHM 1% 1/4W 1206

0
CRCW060382K5FKTB

CRCW060382K5FKTB

Vishay / Dale

RES SMD 82.5K OHM 1% 1/10W 0603

0
M55342E02B86B5RT5

M55342E02B86B5RT5

Vishay / Dale

RES SMD 86.5K OHM 0.1% 1/8W 0505

0
CRCW080548R7FKEBC

CRCW080548R7FKEBC

Vishay / Dale

RES 48.7 OHM 1% 1/8W 0805

0
D55342E07B2B20MT5

D55342E07B2B20MT5

Vishay / Dale

RES SMD 2.2K OHM 0.1% 1/4W 1206

0
TNPW12061M80BEEN

TNPW12061M80BEEN

Vishay / Dale

RES 1.8M OHM 0.1% 2/5W 1206

0
TNPW08058K98BEEN

TNPW08058K98BEEN

Vishay / Dale

RES 8.98K OHM 0.1% 1/5W 0805

0
M55342H03B348ERWS

M55342H03B348ERWS

Vishay / Dale

RES SMD 348K OHM 1% 1/5W 1005

0
M55342H05B4E99MWS

M55342H05B4E99MWS

Vishay / Dale

RES SMD 4.99K OHM 1% 0.225W 2208

0
M55342E06B16B9RWS

M55342E06B16B9RWS

Vishay / Dale

RES SMD 16.9KOHM 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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