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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RMCF1210FT113R

RMCF1210FT113R

Stackpole Electronics, Inc.

RES 113 OHM 1% 1/2W 1210

0
RNCF0805DTC464K

RNCF0805DTC464K

Stackpole Electronics, Inc.

RES 464K OHM 0.5% 1/8W 0805

0
RNCF1206BTC76R8

RNCF1206BTC76R8

Stackpole Electronics, Inc.

RES 76.8 OHM 0.1% 1/3W 1206

0
CSR1206FT22L0

CSR1206FT22L0

Stackpole Electronics, Inc.

RES 0.022 OHM 1% 1/2W 1206

0
HVCB1206FDC2M00

HVCB1206FDC2M00

Stackpole Electronics, Inc.

RES 2M OHM 1% 1/3W 1206

0
RNCF0201DTE105R

RNCF0201DTE105R

Stackpole Electronics, Inc.

RES 105 OHM 0.5% 1/32W 0201

0
RNCF0805DTC18K7

RNCF0805DTC18K7

Stackpole Electronics, Inc.

RES 18.7K OHM 0.5% 1/8W 0805

0
RNCF0402BTE44K2

RNCF0402BTE44K2

Stackpole Electronics, Inc.

RES 44.2K OHM 0.1% 1/16W 0402

0
RMCF0402FT182R

RMCF0402FT182R

Stackpole Electronics, Inc.

RES 182 OHM 1% 1/16W 0402

14940
SM2615FT3R92

SM2615FT3R92

Stackpole Electronics, Inc.

RES 3.92 OHM 1% 1W 2615

0
RNCF0805DTC154K

RNCF0805DTC154K

Stackpole Electronics, Inc.

RES 154K OHM 0.5% 1/8W 0805

0
RNCF1206DKE1R62

RNCF1206DKE1R62

Stackpole Electronics, Inc.

RES 1.62 OHM 0.5% 1/4W 1206

0
RMCF0603FT3K40

RMCF0603FT3K40

Stackpole Electronics, Inc.

RES 3.4K OHM 1% 1/10W 0603

4098
RMCF0603JT75R0

RMCF0603JT75R0

Stackpole Electronics, Inc.

RES 75 OHM 5% 1/10W 0603

79022
RGC0402DTC340K

RGC0402DTC340K

Stackpole Electronics, Inc.

RES 340K OHM 0.5% 1/16W 0402

0
RNCF0603BTT7K87

RNCF0603BTT7K87

Stackpole Electronics, Inc.

RES 7.87K OHM 0.1% 1/10W 0603

0
RGC0402FTD8K25

RGC0402FTD8K25

Stackpole Electronics, Inc.

RES 8.25K OHM 1% 1/16W 0402

0
RMCP2010FT7M50

RMCP2010FT7M50

Stackpole Electronics, Inc.

RES 7.5M OHM 1% 1W 2010

0
RMCP2010FT3M74

RMCP2010FT3M74

Stackpole Electronics, Inc.

RES 3.74M OHM 1% 1W 2010

0
RNCF0805DTC698R

RNCF0805DTC698R

Stackpole Electronics, Inc.

RES 698 OHM 0.5% 1/8W 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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