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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCS0603BKE15K0

RNCS0603BKE15K0

Stackpole Electronics, Inc.

RES 15K OHM 0.1% 1/16W 0603

0
SM2615FTR124

SM2615FTR124

Stackpole Electronics, Inc.

RES 0.124 OHM 1% 1W 2615

0
RMCF2512JT10R0

RMCF2512JT10R0

Stackpole Electronics, Inc.

RES 10 OHM 5% 1W 2512

1266
RNCF0603DKE7R87

RNCF0603DKE7R87

Stackpole Electronics, Inc.

RES 7.87 OHM 0.5% 1/10W 0603

0
RNCF0402DTE1K18

RNCF0402DTE1K18

Stackpole Electronics, Inc.

RES 1.18K OHM 0.5% 1/16W 0402

0
SM6227JTR820

SM6227JTR820

Stackpole Electronics, Inc.

RES 0.82 OHM 5% 3W 6227

0
SM2615FT3R24

SM2615FT3R24

Stackpole Electronics, Inc.

RES 3.24 OHM 1% 1W 2615

0
SM2615FTR464

SM2615FTR464

Stackpole Electronics, Inc.

RES 0.464 OHM 1% 1W 2615

0
RMCF0805FT1K40

RMCF0805FT1K40

Stackpole Electronics, Inc.

RES 1.4K OHM 1% 1/8W 0805

1591
RMCF2512FT1R00

RMCF2512FT1R00

Stackpole Electronics, Inc.

RES 1 OHM 1% 1W 2512

35304000
RPC0805KT510R

RPC0805KT510R

Stackpole Electronics, Inc.

RES 510 OHM 10% 1/4W 0805

0
RNCF0805BTC19K6

RNCF0805BTC19K6

Stackpole Electronics, Inc.

RES 19.6K OHM 0.1% 1/8W 0805

0
RNCS0805BTC2K15

RNCS0805BTC2K15

Stackpole Electronics, Inc.

RES 2.15K OHM 0.1% 1/10W 0805

0
RMCF1206JT120K

RMCF1206JT120K

Stackpole Electronics, Inc.

RES 120K OHM 5% 1/4W 1206

3690
RMCF2010FT1R78

RMCF2010FT1R78

Stackpole Electronics, Inc.

RES 1.78 OHM 1% 3/4W 2010

0
RNCF0805BTE19K6

RNCF0805BTE19K6

Stackpole Electronics, Inc.

RES 19.6K OHM 0.1% 1/8W 0805

0
SM2615FTR332

SM2615FTR332

Stackpole Electronics, Inc.

RES 0.332 OHM 1% 1W 2615

0
RNCF0603BKE261K

RNCF0603BKE261K

Stackpole Electronics, Inc.

RES 261K OHM 0.1% 1/10W 0603

0
RNCF0603DTC1K47

RNCF0603DTC1K47

Stackpole Electronics, Inc.

RES 1.47K OHM 0.5% 1/10W 0603

0
RNCF0603DTC249K

RNCF0603DTC249K

Stackpole Electronics, Inc.

RES 249K OHM 0.5% 1/10W 0603

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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