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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
ERJ-P14F2373U

ERJ-P14F2373U

Panasonic

RES SMD 237 KOHM 1% 1/2W 1210

0
CRCW0402113KFKEDHP

CRCW0402113KFKEDHP

Vishay / Dale

RES SMD 113K OHM 1% 1/5W 0402

0
RN73H2BTTD7150C10

RN73H2BTTD7150C10

KOA Speer Electronics, Inc.

RES 715 OHM 0.25% 1/4W 1206

0
CHP2010K1470FGT

CHP2010K1470FGT

Vishay / Sfernice

RES SMD THICK FILM 2010

0
RN73H1JTTD1961B25

RN73H1JTTD1961B25

KOA Speer Electronics, Inc.

RES 1.96K OHM 0.1% 1/10W 0603

0
SG73W2HTTE122K

SG73W2HTTE122K

KOA Speer Electronics, Inc.

RES 1.2K OHM 10% 3/4W 2010

0
CRCW080536K5FKEA

CRCW080536K5FKEA

Vishay / Dale

RES SMD 36.5K OHM 1% 1/8W 0805

4
RN73R2ATTD1981A25

RN73R2ATTD1981A25

KOA Speer Electronics, Inc.

RES 1.98K OHM 0.05% 1/8W 0805

0
HRG3216Q-23R2-D-T1

HRG3216Q-23R2-D-T1

Susumu

RES SMD 23.2 OHM 0.5% 1W 1206

0
RN73H1JTTD1583C10

RN73H1JTTD1583C10

KOA Speer Electronics, Inc.

RES 158K OHM 0.25% 1/10W 0603

0
RK73G1HTTC3003F

RK73G1HTTC3003F

KOA Speer Electronics, Inc.

RES 300K OHM 1% 1/20W 0201

0
RN73H1JTTD5602A25

RN73H1JTTD5602A25

KOA Speer Electronics, Inc.

RES 56K OHM 0.05% 1/10W 0603

0
CRCW12067R87FNTA

CRCW12067R87FNTA

Vishay / Dale

RES SMD 7.87 OHM 1% 1/4W 1206

0
RN73H2ETTD26R1D25

RN73H2ETTD26R1D25

KOA Speer Electronics, Inc.

RES 26.1 OHM 0.5% 1/4W 1210

0
RMCF1206FTR560

RMCF1206FTR560

Stackpole Electronics, Inc.

RES 0.56 OHM 1% 1/4W 1206

0
CPF0603F8K45C1

CPF0603F8K45C1

TE Connectivity AMP Connectors

RES SMD 8.45K OHM 1% 1/16W 0603

0
RE0805FRE07523KL

RE0805FRE07523KL

Yageo

RES SMD 523K OHM 1% 1/8W 0805

0
ERA-3VRB7501V

ERA-3VRB7501V

Panasonic

RES 7.5K OHM 0.1% 1/8W 0603

0
RN73H1ETTP5691D50

RN73H1ETTP5691D50

KOA Speer Electronics, Inc.

RES 5.69K OHM 0.5% 1/16W 0402

0
RN73H1JTTD3001B10

RN73H1JTTD3001B10

KOA Speer Electronics, Inc.

RES 3K OHM 0.1% 1/10W 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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