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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RGC0805DTC6K34

RGC0805DTC6K34

Stackpole Electronics, Inc.

RES 6.34K OHM 0.5% 1/8W 0805

0
RNCF0603BKE806R

RNCF0603BKE806R

Stackpole Electronics, Inc.

RES 806 OHM 0.1% 1/10W 0603

0
RNCF0805BTC249R

RNCF0805BTC249R

Stackpole Electronics, Inc.

RES 249 OHM 0.1% 1/8W 0805

0
RNCF0603DTC180K

RNCF0603DTC180K

Stackpole Electronics, Inc.

RES 180K OHM 0.5% 1/10W 0603

0
RNCF0805DTC113R

RNCF0805DTC113R

Stackpole Electronics, Inc.

RES 113 OHM 0.5% 1/8W 0805

0
RMCP2010FT3M92

RMCP2010FT3M92

Stackpole Electronics, Inc.

RES 3.92M OHM 1% 1W 2010

0
RMCP2010FT4K53

RMCP2010FT4K53

Stackpole Electronics, Inc.

RES 4.53K OHM 1% 1W 2010

0
RMCF0402FT121R

RMCF0402FT121R

Stackpole Electronics, Inc.

RES 121 OHM 1% 1/16W 0402

69333
RNCF0603BTE37R4

RNCF0603BTE37R4

Stackpole Electronics, Inc.

RES 37.4 OHM 0.1% 1/10W 0603

0
RMCF2512FT909K

RMCF2512FT909K

Stackpole Electronics, Inc.

RES 909K OHM 1% 1W 2512

0
RNCF0603BTE1K74

RNCF0603BTE1K74

Stackpole Electronics, Inc.

RES 1.74K OHM 0.1% 1/10W 0603

0
RNCF0201DTC97R6

RNCF0201DTC97R6

Stackpole Electronics, Inc.

RES 97.6 OHM 0.5% 1/32W 0201

0
SM6227FT1K24

SM6227FT1K24

Stackpole Electronics, Inc.

RES 1.24K OHM 1% 3W 6227

0
CSSH0805FT1L50

CSSH0805FT1L50

Stackpole Electronics, Inc.

RES SHUNT, 0805, 0.0015 OHM, 1%,

7914
RNCF0603BTE243R

RNCF0603BTE243R

Stackpole Electronics, Inc.

RES 243 OHM 0.1% 1/10W 0603

0
RNCF0805DTE4R99

RNCF0805DTE4R99

Stackpole Electronics, Inc.

RES 4.99 OHM 0.5% 1/8W 0805

0
CSR1206FK60L0

CSR1206FK60L0

Stackpole Electronics, Inc.

RES 0.06 OHM 1% 1/2W 1206

0
RGC0805FTC267K

RGC0805FTC267K

Stackpole Electronics, Inc.

RES 267K OHM 1% 1/8W 0805

0
RNCF0805DKE24K9

RNCF0805DKE24K9

Stackpole Electronics, Inc.

RES 24.9K OHM 0.5% 1/8W 0805

0
RNCF0805BKT2K49

RNCF0805BKT2K49

Stackpole Electronics, Inc.

RES 2.49K 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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