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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF1206BTE866R

RNCF1206BTE866R

Stackpole Electronics, Inc.

RES 866 OHM 0.1% 1/3W 1206

0
RNCF0603BTC4R70

RNCF0603BTC4R70

Stackpole Electronics, Inc.

RES 4.7 OHM 0.1% 1/10W 0603

0
RNCF0402BKE768R

RNCF0402BKE768R

Stackpole Electronics, Inc.

RES 768 OHM 0.1% 1/16W 0402

0
RNCF1206DTE825R

RNCF1206DTE825R

Stackpole Electronics, Inc.

RES 825 OHM 0.5% 1/3W 1206

0
HVCB1206JTL150K

HVCB1206JTL150K

Stackpole Electronics, Inc.

RES 150K OHM 5% 1/3W 1206

0
RNCF0603DTE3K74

RNCF0603DTE3K74

Stackpole Electronics, Inc.

RES 3.74K OHM 0.5% 1/10W 0603

0
RMCF0201FT6R80

RMCF0201FT6R80

Stackpole Electronics, Inc.

RES 6.8 OHM 1% 1/20W 0201

0
RMCF0805FT2K21

RMCF0805FT2K21

Stackpole Electronics, Inc.

RES 2.21K OHM 1% 1/8W 0805

1946715000
RNCF0603BTE115K

RNCF0603BTE115K

Stackpole Electronics, Inc.

RES 115K OHM 0.1% 1/10W 0603

0
SM4124FT549R

SM4124FT549R

Stackpole Electronics, Inc.

RES 549 OHM 1% 2W 4124

0
RMCF2010FT10K7

RMCF2010FT10K7

Stackpole Electronics, Inc.

RES 10.7K OHM 1% 3/4W 2010

0
RNCF0603BKE13K7

RNCF0603BKE13K7

Stackpole Electronics, Inc.

RES 13.7K OHM 0.1% 1/10W 0603

0
RMCF0603FT90K9

RMCF0603FT90K9

Stackpole Electronics, Inc.

RES 90.9K OHM 1% 1/10W 0603

10
RNCF0402DTE4K87

RNCF0402DTE4K87

Stackpole Electronics, Inc.

RES 4.87K OHM 0.5% 1/16W 0402

0
RMCP2010FT1R07

RMCP2010FT1R07

Stackpole Electronics, Inc.

RES 1.07 OHM 1% 1W 2010

0
HVCB1206BDE20M0

HVCB1206BDE20M0

Stackpole Electronics, Inc.

RES HV 1206 20 MOHM 0.1% 25PPM

0
RNCF1206BTE324K

RNCF1206BTE324K

Stackpole Electronics, Inc.

RES 324K OHM 0.1% 1/3W 1206

0
RMCF0805FT1K37

RMCF0805FT1K37

Stackpole Electronics, Inc.

RES 1.37K OHM 1% 1/8W 0805

15000
RNCF0402BTE4K87

RNCF0402BTE4K87

Stackpole Electronics, Inc.

RES 4.87K OHM 0.1% 1/16W 0402

0
RNCF0402DTE9K31

RNCF0402DTE9K31

Stackpole Electronics, Inc.

RES 9.31K OHM 0.5% 1/16W 0402

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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