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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0603BKE47K0

RNCF0603BKE47K0

Stackpole Electronics, Inc.

RES 47K OHM 0.1% 1/10W 0603

0
RMCF0805FTR270

RMCF0805FTR270

Stackpole Electronics, Inc.

RES 0.27 OHM 1% 1/8W 0805

0
RNCF1206DTC42R2

RNCF1206DTC42R2

Stackpole Electronics, Inc.

RES 42.2 OHM 0.5% 1/3W 1206

0
RNCF0603BTE59K0

RNCF0603BTE59K0

Stackpole Electronics, Inc.

RES 59K OHM 0.1% 1/10W 0603

0
RMCS1206FT7K50

RMCS1206FT7K50

Stackpole Electronics, Inc.

RES 7.5K OHM 1% 1/4W 1206

0
MLF14DTS15K0

MLF14DTS15K0

Stackpole Electronics, Inc.

RES 15K OHM 0.5% 1/4W MELF 0204

0
RNCF2010BKT40R2

RNCF2010BKT40R2

Stackpole Electronics, Inc.

RES 40.2 OHM 0.1% 1/3W 2010

0
RNCF1206BTC9R53

RNCF1206BTC9R53

Stackpole Electronics, Inc.

RES 9.53 OHM 0.1% 1/4W 1206

0
CSR0603FTR110

CSR0603FTR110

Stackpole Electronics, Inc.

RES 0.11 OHM 1% 1/8W 0603

0
RNCF0402DTE294R

RNCF0402DTE294R

Stackpole Electronics, Inc.

RES 294 OHM 0.5% 1/16W 0402

0
RNCF0402BTC3K92

RNCF0402BTC3K92

Stackpole Electronics, Inc.

RES 3.92K OHM 0.1% 1/16W 0402

0
RMCS0805JT47K0

RMCS0805JT47K0

Stackpole Electronics, Inc.

RES 47K OHM 5% 1/8W 0805

0
RMCF1210FT8K45

RMCF1210FT8K45

Stackpole Electronics, Inc.

RES 8.45K OHM 1% 1/3W 1210

0
RNCF0805BTC24R9

RNCF0805BTC24R9

Stackpole Electronics, Inc.

RES 24.9 OHM 0.1% 1/8W 0805

0
RNCF0805DTC124R

RNCF0805DTC124R

Stackpole Electronics, Inc.

RES 124 OHM 0.5% 1/8W 0805

0
RGC1206DTC150K

RGC1206DTC150K

Stackpole Electronics, Inc.

RES 150K OHM 0.5% 1/4W 1206

0
CSRN2010JTR220

CSRN2010JTR220

Stackpole Electronics, Inc.

RES 0.22 OHM 5% 1W 2010

0
RMCF0805FT1R62

RMCF0805FT1R62

Stackpole Electronics, Inc.

RES 1.62 OHM 1% 1/8W 0805

1242
RMCS0603FT24R9

RMCS0603FT24R9

Stackpole Electronics, Inc.

RES 24.9 OHM 1% 1/10W 0603

0
RMCF0201FT1K65

RMCF0201FT1K65

Stackpole Electronics, Inc.

RES 1.65K OHM 1% 1/20W 0201

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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