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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
TNPW040252K3DHED

TNPW040252K3DHED

Vishay / Dale

RES 52.3K OHM 0.5% 1/10W 0402

0
CRCW12064M22FKTA

CRCW12064M22FKTA

Vishay / Dale

RES SMD 4.22M OHM 1% 1/4W 1206

0
CRCW080529R4FKTA

CRCW080529R4FKTA

Vishay / Dale

RES SMD 29.4 OHM 1% 1/8W 0805

0
RCP0603B100RJWB

RCP0603B100RJWB

Vishay / Dale

RES SMD 100 OHM 5% 1.5W 0603

0
CRCW1206100RFKEC

CRCW1206100RFKEC

Vishay / Dale

RES SMD 100 OHM 1% 1/4W 1206

0
WSL2512R0740FEA

WSL2512R0740FEA

Vishay / Dale

RES 0.074 OHM 1% 1W 2512

0
TNPW12062K61BYEA

TNPW12062K61BYEA

Vishay / Dale

RES 2.61K OHM 0.1% 2/5W 1206

0
CRCW25125K10JNEH

CRCW25125K10JNEH

Vishay / Dale

RES SMD 5.1K OHM 5% 1W 2512

0
CRCW08059R76FNTA

CRCW08059R76FNTA

Vishay / Dale

RES SMD 9.76 OHM 1% 1/8W 0805

0
TNPW120611K1BETY

TNPW120611K1BETY

Vishay / Dale

RES 11.1K OHM 0.1% 1/4W 1206

0
CRCW1210536KFKEAHP

CRCW1210536KFKEAHP

Vishay / Dale

RES SMD 536K OHM 1% 3/4W 1210

0
M55342H04B95E3RWS

M55342H04B95E3RWS

Vishay / Dale

RES SMD 95.3K OHM 1% 0.15W 1505

0
CRCW0603280KDHEAP

CRCW0603280KDHEAP

Vishay / Dale

RES SMD 280K OHM 0.5% 1/10W 0603

0
M55342E02B49B9RWS

M55342E02B49B9RWS

Vishay / Dale

RES SMD 49.9K OHM 0.1% 1/8W 0505

0
RCS120675K0FKEA

RCS120675K0FKEA

Vishay / Dale

RCS1206 100 75K 1% ET1 E3

5000
D55342E07B4B22RTI

D55342E07B4B22RTI

Vishay / Dale

RES SMD 4.22K OHM 0.1% 1/4W 1206

0
WSL25122L000JEA

WSL25122L000JEA

Vishay / Dale

RES 0.002 OHM 5% 1W 2512

0
RCP0505B27R0JS3

RCP0505B27R0JS3

Vishay / Dale

RES SMD 27 OHM 5% 1.4W 0505

0
M55342E06B3B24RTS

M55342E06B3B24RTS

Vishay / Dale

RES SMD 3.24KOHM 0.1% 0.15W 0805

0
RCWE1210R200DKEA

RCWE1210R200DKEA

Vishay / Dale

RES 0.2 OHM 0.5% 1W 1210

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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