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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0603DTE34K8

RNCF0603DTE34K8

Stackpole Electronics, Inc.

RES 34.8K OHM 0.5% 1/10W 0603

0
RNCF0805BTE576R

RNCF0805BTE576R

Stackpole Electronics, Inc.

RES 576 OHM 0.1% 1/8W 0805

0
RNCS0402BTE2K05

RNCS0402BTE2K05

Stackpole Electronics, Inc.

RES 2.05K OHM 0.1% 1/16W 0402

0
SM6227FTR374

SM6227FTR374

Stackpole Electronics, Inc.

RES 0.374 OHM 1% 3W 6227

0
RNCP1206FTD4K75

RNCP1206FTD4K75

Stackpole Electronics, Inc.

RES 4.75K OHM 1% 1/2W 1206

1109
RNCF1206DTC2K21

RNCF1206DTC2K21

Stackpole Electronics, Inc.

RES 2.21K OHM 0.5% 1/3W 1206

0
RNCF0805DKC8K25

RNCF0805DKC8K25

Stackpole Electronics, Inc.

RES 8.25K OHM 0.5% 1/8W 0805

0
RNCF0603BTE5R76

RNCF0603BTE5R76

Stackpole Electronics, Inc.

RES 5.76 OHM 0.1% 1/10W 0603

0
RNCF1206BKE18K7

RNCF1206BKE18K7

Stackpole Electronics, Inc.

RES 18.7K OHM 0.1% 1/3W 1206

0
RHC2512FT390R

RHC2512FT390R

Stackpole Electronics, Inc.

RES 390 OHM 1% 2W 2512

0
RNCF0603BTC8K16

RNCF0603BTC8K16

Stackpole Electronics, Inc.

RES 8.16K OHM 0.1% 1/10W 0603

0
RMCF2010FT17K8

RMCF2010FT17K8

Stackpole Electronics, Inc.

RES 17.8K OHM 1% 3/4W 2010

0
RMCS0805FT681K

RMCS0805FT681K

Stackpole Electronics, Inc.

RES 681K OHM 1% 1/8W 0805

0
RNCF0805TKY150R

RNCF0805TKY150R

Stackpole Electronics, Inc.

SMD RES 150R 0.01% 5PPM 0805

0
RNCF0201DTC4K02

RNCF0201DTC4K02

Stackpole Electronics, Inc.

RES 4.02K OHM 0.5% 1/32W 0201

0
RNCF0402DTE16K9

RNCF0402DTE16K9

Stackpole Electronics, Inc.

RES 16.9K OHM 0.5% 1/16W 0402

0
CSR0805JTR270

CSR0805JTR270

Stackpole Electronics, Inc.

RES 0.27 OHM 5% 1/4W 0805

0
RNCF0805DTC1K18

RNCF0805DTC1K18

Stackpole Electronics, Inc.

RES 1.18K OHM 0.5% 1/8W 0805

0
RMCF1210FT15K0

RMCF1210FT15K0

Stackpole Electronics, Inc.

RES 15K OHM 1% 1/3W 1210

362936000
RMCF1206JG1M80

RMCF1206JG1M80

Stackpole Electronics, Inc.

RES 1.8M OHM 5% 1/4W 1206

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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