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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
TNPW08051K91BYEA

TNPW08051K91BYEA

Vishay / Dale

RES 1.91K OHM 0.1% 1/5W 0805

0
RCP0505B910RGEA

RCP0505B910RGEA

Vishay / Dale

RES SMD 910 OHM 2% 1.4W 0505

0
CRCW080560K4FKEA

CRCW080560K4FKEA

Vishay / Dale

RES SMD 60.4K OHM 1% 1/8W 0805

2734
D55342K07B200BRT5

D55342K07B200BRT5

Vishay / Dale

RES SMD 200K OHM 0.1% 1/4W 1206

0
M55342E02B252ARWS

M55342E02B252ARWS

Vishay / Dale

RES SMD 252 OHM 0.1% 1/8W 0505

0
WSLP25125L600DEA

WSLP25125L600DEA

Vishay / Dale

RES 0.0056 OHM 0.5% 3W 2512

0
CRCW0603150KJNEA

CRCW0603150KJNEA

Vishay / Dale

RES SMD 150K OHM 5% 1/10W 0603

741
RCP0603W510RJET

RCP0603W510RJET

Vishay / Dale

RES SMD 510 OHM 5% 1.5W 0603

0
CRCW040286R6FKED

CRCW040286R6FKED

Vishay / Dale

RES SMD 86.6 OHM 1% 1/16W 0402

1484
RCL061268R0JNEA

RCL061268R0JNEA

Vishay / Dale

RES SMD 68 OHM 3/4W 1206 WIDE

0
RCP1206W25R0GWB

RCP1206W25R0GWB

Vishay / Dale

RES SMD 25 OHM 2% 2.4W 1206

0
CRCW080586K6FKEAC

CRCW080586K6FKEAC

Vishay / Dale

RES 86.6K OHM 1% 1/8W 0805

0
CRCW120633R0JNEAHP

CRCW120633R0JNEAHP

Vishay / Dale

RES SMD 33 OHM 5% 3/4W 1206

0
M55342K02B47B0RWS

M55342K02B47B0RWS

Vishay / Dale

RES SMD 47K OHM 0.1% 1/8W 0505

0
TNPU0805191RAZEN00

TNPU0805191RAZEN00

Vishay / Dale

RES SMD 191 OHM 0.05% 1/8W 0805

0
TNPW060318K2BYEN

TNPW060318K2BYEN

Vishay / Dale

RES 18.2K OHM 0.1% 1/8W 0603

0
RCP1206W1K80JS2

RCP1206W1K80JS2

Vishay / Dale

RES SMD 1.8K OHM 5% 2.4W 1206

0
CRCW08056R19FKTA

CRCW08056R19FKTA

Vishay / Dale

RES SMD 6.19 OHM 1% 1/8W 0805

0
RCP0603B1K10GS3

RCP0603B1K10GS3

Vishay / Dale

RES SMD 1.1K OHM 2% 1.5W 0603

0
TNPU060371K5BZEN00

TNPU060371K5BZEN00

Vishay / Dale

RES SMD 71.5KOHM 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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