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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RMCF0402FT18K2

RMCF0402FT18K2

Stackpole Electronics, Inc.

RES 18.2K OHM 1% 1/16W 0402

43969
HVCB0603JDC470M

HVCB0603JDC470M

Stackpole Electronics, Inc.

RES 470M OHM 5% 0.06W 0603

954
RNCF1206BTC909K

RNCF1206BTC909K

Stackpole Electronics, Inc.

RES 909K OHM 0.1% 1/3W 1206

0
RNCF0603DTC2R49

RNCF0603DTC2R49

Stackpole Electronics, Inc.

RES 2.49 OHM 0.5% 1/16W 0603

0
RMCF2010FT124R

RMCF2010FT124R

Stackpole Electronics, Inc.

RES 124 OHM 1% 3/4W 2010

3629
RNCF0603DKE191K

RNCF0603DKE191K

Stackpole Electronics, Inc.

RES 191K OHM 0.5% 1/10W 0603

0
RMCS0805FT619R

RMCS0805FT619R

Stackpole Electronics, Inc.

RES 619 OHM 1% 1/8W 0805

0
RNCF0402BKE32R4

RNCF0402BKE32R4

Stackpole Electronics, Inc.

RES 32.4 OHM 0.1% 1/16W 0402

0
RNCF0603DKE2R61

RNCF0603DKE2R61

Stackpole Electronics, Inc.

RES 2.61 OHM 0.5% 1/16W 0603

0
RNCF0805BKT267R

RNCF0805BKT267R

Stackpole Electronics, Inc.

RES 267 OHM 0.1% 1/8W 0805

0
RNCF0402BKE820R

RNCF0402BKE820R

Stackpole Electronics, Inc.

RES 820 OHM 0.1% 1/16W 0402

0
RMCF1206FT5R49

RMCF1206FT5R49

Stackpole Electronics, Inc.

RES 5.49 OHM 1% 1/4W 1206

0
RMCF2010FT6R98

RMCF2010FT6R98

Stackpole Electronics, Inc.

RES 6.98 OHM 1% 3/4W 2010

0
RNCF0402DKE86R6

RNCF0402DKE86R6

Stackpole Electronics, Inc.

RES 86.6 OHM 0.5% 1/16W 0402

0
RNCF0603DTE634R

RNCF0603DTE634R

Stackpole Electronics, Inc.

RES 634 OHM 0.5% 1/10W 0603

0
RGC0805DTC221K

RGC0805DTC221K

Stackpole Electronics, Inc.

RES 221K OHM 0.5% 1/8W 0805

0
RMCF1210JTR180

RMCF1210JTR180

Stackpole Electronics, Inc.

RES 0.18 OHM 5% 1/2W 1210

0
CSR1225JKR130

CSR1225JKR130

Stackpole Electronics, Inc.

RES 0.13 OHM 5% 3W 2512 WIDE

0
RNCF0402FTC25K5

RNCF0402FTC25K5

Stackpole Electronics, Inc.

RES 25.5K OHM 1% 1/16W 0402

0
RNCF1206TTT26K7

RNCF1206TTT26K7

Stackpole Electronics, Inc.

RES 26.7K OHM 0.01% 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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