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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0603DTC18R0

RNCF0603DTC18R0

Stackpole Electronics, Inc.

RES 18 OHM 0.5% 1/10W 0603

0
RNCP1206FTD10K0

RNCP1206FTD10K0

Stackpole Electronics, Inc.

RES 10K OHM 1% 1/2W 1206

49592
RNCS0805BKE4K99

RNCS0805BKE4K99

Stackpole Electronics, Inc.

RES 4.99K OHM 0.1% 1/10W 0805

10222
RNCF0805BTC1K15

RNCF0805BTC1K15

Stackpole Electronics, Inc.

RES 1.15K OHM 0.1% 1/8W 0805

0
SM4124FTR107

SM4124FTR107

Stackpole Electronics, Inc.

RES 0.107 OHM 1% 2W 4124

0
RNCS0805BKE280R

RNCS0805BKE280R

Stackpole Electronics, Inc.

RES 280 OHM 0.1% 1/10W 0805

0
CSR0805JTR800

CSR0805JTR800

Stackpole Electronics, Inc.

RES 0.8 OHM 5% 1/4W 0805

0
RTAN0805BKE180R

RTAN0805BKE180R

Stackpole Electronics, Inc.

RES 180 OHM 0.1% 1/5W 0805

0
RNCF1206BKE22K1

RNCF1206BKE22K1

Stackpole Electronics, Inc.

RES 22.1K OHM 0.1% 1/3W 1206

0
SM4527JT15L0

SM4527JT15L0

Stackpole Electronics, Inc.

RES 0.015 OHM 5% 2W 4527

0
RNCF1206DTE3K32

RNCF1206DTE3K32

Stackpole Electronics, Inc.

RES 3.32K OHM 0.5% 1/3W 1206

15000
CSRN2010FK47L0

CSRN2010FK47L0

Stackpole Electronics, Inc.

RES 0.047 OHM 1% 1W 2010

0
RMCF0805FG169K

RMCF0805FG169K

Stackpole Electronics, Inc.

RES 169K OHM 1% 1/8W 0805

0
RMCF0805JT120K

RMCF0805JT120K

Stackpole Electronics, Inc.

RES 120K OHM 5% 1/8W 0805

3321
SM6227FT121R

SM6227FT121R

Stackpole Electronics, Inc.

RES 121 OHM 1% 3W 6227

0
RNCF0603BKE9K76

RNCF0603BKE9K76

Stackpole Electronics, Inc.

RES 9.76K OHM 0.1% 1/10W 0603

0
RMCF1206JT160R

RMCF1206JT160R

Stackpole Electronics, Inc.

RES 160 OHM 5% 1/4W 1206

42205000
CSR1206FTR650

CSR1206FTR650

Stackpole Electronics, Inc.

RES 0.65 OHM 1% 1/2W 1206

0
RNCF0201DTE1K58

RNCF0201DTE1K58

Stackpole Electronics, Inc.

RES 1.58K OHM 0.5% 1/32W 0201

0
HVCB0805FDC250M

HVCB0805FDC250M

Stackpole Electronics, Inc.

RES SMD 250 MOHMS 1% 1/5W 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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