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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
TNPU0603511RBZEA00

TNPU0603511RBZEA00

Vishay / Dale

RES 511 OHM 0.1% 1/10W 0603

4537
TNPW120619K1BEEN

TNPW120619K1BEEN

Vishay / Dale

RES 19.1K OHM 0.1% 2/5W 1206

0
TNPW060369K0BEEA

TNPW060369K0BEEA

Vishay / Dale

RES 69K OHM 0.1% 1/8W 0603

0
M55342K11B1B00RT3

M55342K11B1B00RT3

Vishay / Dale

RES SMD 1K OHM 0.1% 1/20W 0402

0
TNPW0805768RBETA

TNPW0805768RBETA

Vishay / Dale

RES 768 OHM 0.1% 1/8W 0805

0
WSL1206R0249FTB

WSL1206R0249FTB

Vishay / Dale

RES 0.0249 OHM 1% 1/4W 1206

0
CRCW1206240KFKEAC

CRCW1206240KFKEAC

Vishay / Dale

RES 240K OHM 1% 1/4W 1206

0
CRCW0805267KFKEB

CRCW0805267KFKEB

Vishay / Dale

RES SMD 267K OHM 1% 1/8W 0805

0
TNPW12063K60BETA

TNPW12063K60BETA

Vishay / Dale

RES 3.6K OHM 0.1% 1/4W 1206

0
CRCW1218162RFKEK

CRCW1218162RFKEK

Vishay / Dale

RES SMD 162 OHM 1% 1W 1218

0
M55342K06B145BRWS

M55342K06B145BRWS

Vishay / Dale

RES SMD 145K OHM 0.1% 0.15W 0705

0
CRCW12061K47FKTA

CRCW12061K47FKTA

Vishay / Dale

RES SMD 1.47K OHM 1% 1/4W 1206

0
D55342H07B9B88RWS

D55342H07B9B88RWS

Vishay / Dale

RES SMD 9.88K OHM 0.1% 1/4W 1206

0
TNPW0805221RBYEA

TNPW0805221RBYEA

Vishay / Dale

RES 221 OHM 0.1% 1/5W 0805

0
CRCW06034K64FHEAP

CRCW06034K64FHEAP

Vishay / Dale

RES SMD 4.64K OHM 1% 1/10W 0603

0
CRCW2010909RFKEFHP

CRCW2010909RFKEFHP

Vishay / Dale

RES SMD 909 OHM 1% 1W 2010

0
CRCW12181R10FKTK

CRCW12181R10FKTK

Vishay / Dale

RES SMD 1.1 OHM 1% 1W 1218

0
CRCW201059K0FKTF

CRCW201059K0FKTF

Vishay / Dale

RES SMD 59K OHM 1% 3/4W 2010

0
TNPU060322K1BZEN00

TNPU060322K1BZEN00

Vishay / Dale

RES SMD 22.1KOHM 0.1% 1/10W 0603

308
D55342E07B316BMWS

D55342E07B316BMWS

Vishay / Dale

RES SMD 316K OHM 0.1% 1/4W 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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