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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RMCF0603FT442K

RMCF0603FT442K

Stackpole Electronics, Inc.

RES 442K OHM 1% 1/10W 0603

2147483647
RNCF0603BKE13R3

RNCF0603BKE13R3

Stackpole Electronics, Inc.

RES 13.3 OHM 0.1% 1/10W 0603

0
RNCF1206BTE6R20

RNCF1206BTE6R20

Stackpole Electronics, Inc.

RES 6.2 OHM 0.1% 1/4W 1206

0
RNCF1206DTE1K05

RNCF1206DTE1K05

Stackpole Electronics, Inc.

RES 1.05K OHM 0.5% 1/3W 1206

0
RNCF0805DKE232R

RNCF0805DKE232R

Stackpole Electronics, Inc.

RES 232 OHM 0.5% 1/8W 0805

0
RNCF0805BTE1M87

RNCF0805BTE1M87

Stackpole Electronics, Inc.

RES 1.87M OHM 0.1% 1/10W 0805

0
RNCF0805DTE16R0

RNCF0805DTE16R0

Stackpole Electronics, Inc.

RES 16 OHM 0.5% 1/8W 0805

0
RNCF0603DKC9K76

RNCF0603DKC9K76

Stackpole Electronics, Inc.

RES 9.76K OHM 0.5% 1/10W 0603

0
HCSK2725FT1L00

HCSK2725FT1L00

Stackpole Electronics, Inc.

RES 0.001 OHM 1% 5W 2725

2466
RNCF0402DKE187K

RNCF0402DKE187K

Stackpole Electronics, Inc.

RES 187K OHM 0.5% 1/16W 0402

0
RNCF1206BTE115R

RNCF1206BTE115R

Stackpole Electronics, Inc.

RES 115 OHM 0.1% 1/3W 1206

0
RNCP0805FTD49K9

RNCP0805FTD49K9

Stackpole Electronics, Inc.

RES 49.9K OHM 1% 1/4W 0805

2872
RMCF0402FT13R3

RMCF0402FT13R3

Stackpole Electronics, Inc.

RES 13.3 OHM 1% 1/16W 0402

0
RNCF0805BTE7R50

RNCF0805BTE7R50

Stackpole Electronics, Inc.

RES 7.5 OHM 0.1% 1/8W 0805

0
RMCP2010JT360R

RMCP2010JT360R

Stackpole Electronics, Inc.

RES 360 OHM 5% 1W 2010

0
RNCF0805BTE1K43

RNCF0805BTE1K43

Stackpole Electronics, Inc.

RES 1.43K OHM 0.1% 1/8W 0805

0
RNCF0603BTC11K8

RNCF0603BTC11K8

Stackpole Electronics, Inc.

RES 11.8K OHM 0.1% 1/10W 0603

0
RMCP2010JT4M30

RMCP2010JT4M30

Stackpole Electronics, Inc.

RES 4.3M OHM 5% 1W 2010

0
RMCS0603FT2K61

RMCS0603FT2K61

Stackpole Electronics, Inc.

RES 2.61K OHM 1% 1/10W 0603

0
RNCF0603BTC137K

RNCF0603BTC137K

Stackpole Electronics, Inc.

RES 137K OHM 0.1% 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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