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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0603DTC22K0

RNCF0603DTC22K0

Stackpole Electronics, Inc.

RES 22K OHM 0.5% 1/10W 0603

0
RMCF1206FT5M36

RMCF1206FT5M36

Stackpole Electronics, Inc.

RES 5.36M OHM 1% 1/4W 1206

0
RNCF1206BTC95K3

RNCF1206BTC95K3

Stackpole Electronics, Inc.

RES 95.3K OHM 0.1% 1/3W 1206

0
RMCF2010FT604K

RMCF2010FT604K

Stackpole Electronics, Inc.

RES 604K OHM 1% 3/4W 2010

0
RMCF2010FT1M80

RMCF2010FT1M80

Stackpole Electronics, Inc.

RES 1.8M OHM 1% 3/4W 2010

0
RNCF0805BTC2K80

RNCF0805BTC2K80

Stackpole Electronics, Inc.

RES 2.8K OHM 0.1% 1/8W 0805

0
RMCF2512FTR332

RMCF2512FTR332

Stackpole Electronics, Inc.

RES 0.332 OHM 1% 1W 2512

0
RNCF1206DTE226K

RNCF1206DTE226K

Stackpole Electronics, Inc.

RES 226K OHM 0.5% 1/3W 1206

0
RNCF0603DTE3R40

RNCF0603DTE3R40

Stackpole Electronics, Inc.

RES 3.4 OHM 0.5% 1/16W 0603

0
CSR0603FKR820

CSR0603FKR820

Stackpole Electronics, Inc.

RES 0.82 OHM 1% 1/8W 0603

0
RMCF1206FT54K9

RMCF1206FT54K9

Stackpole Electronics, Inc.

RES 54.9K OHM 1% 1/4W 1206

15000
RNCF1206BKE4K81

RNCF1206BKE4K81

Stackpole Electronics, Inc.

RES 4.81K OHM 0.1% 1/3W 1206

3423
RNCF0603BKE1K00

RNCF0603BKE1K00

Stackpole Electronics, Inc.

RES 1K OHM 0.1% 1/10W 0603

0
RNCF0805BTC6R20

RNCF0805BTC6R20

Stackpole Electronics, Inc.

RES 6.2 OHM 0.1% 1/8W 0805

0
RMCF0805FT18R7

RMCF0805FT18R7

Stackpole Electronics, Inc.

RES 18.7 OHM 1% 1/8W 0805

10000
HVCB1206FTD10M0

HVCB1206FTD10M0

Stackpole Electronics, Inc.

RES 10M OHM 1% 1/3W 1206

0
RNCF0805DTE8R25

RNCF0805DTE8R25

Stackpole Electronics, Inc.

RES 8.25 OHM 0.5% 1/8W 0805

0
RNCF0805DTE2K70

RNCF0805DTE2K70

Stackpole Electronics, Inc.

RES 2.7K OHM 0.5% 1/8W 0805

0
RNCF0805BKT1K02

RNCF0805BKT1K02

Stackpole Electronics, Inc.

RES 1.02K OHM 0.1% 1/8W 0805

0
RNCF0805BKE51K0

RNCF0805BKE51K0

Stackpole Electronics, Inc.

RES 51K OHM 0.1% 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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