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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0805DKE2K00

RNCF0805DKE2K00

Stackpole Electronics, Inc.

RES 2K OHM 0.5% 1/8W 0805

0
RNCF0201DTE61R9

RNCF0201DTE61R9

Stackpole Electronics, Inc.

RES 61.9 OHM 0.5% 1/32W 0201

0
RMCF2010FT215R

RMCF2010FT215R

Stackpole Electronics, Inc.

RES 215 OHM 1% 3/4W 2010

24000
RNCF1206BTC470K

RNCF1206BTC470K

Stackpole Electronics, Inc.

RES 470K OHM 0.1% 1/3W 1206

0
RMCF0402FT340K

RMCF0402FT340K

Stackpole Electronics, Inc.

RES 340K OHM 1% 1/16W 0402

29681
SM6227FT35R7

SM6227FT35R7

Stackpole Electronics, Inc.

RES 35.7 OHM 1% 3W 6227

0
RNCF0603BTC48R7

RNCF0603BTC48R7

Stackpole Electronics, Inc.

RES 48.7 OHM 0.1% 1/10W 0603

0
RNCF1206BKE1K91

RNCF1206BKE1K91

Stackpole Electronics, Inc.

RES 1.91K OHM 0.1% 1/3W 1206

0
RNCF0402DTE40R2

RNCF0402DTE40R2

Stackpole Electronics, Inc.

RES 40.2 OHM 0.5% 1/16W 0402

0
RMCF0603FT36R0

RMCF0603FT36R0

Stackpole Electronics, Inc.

RES 36 OHM 1% 1/10W 0603

24452
RMCP2010FT1K82

RMCP2010FT1K82

Stackpole Electronics, Inc.

RES 1.82K OHM 1% 1W 2010

0
RMCS0603FT14K7

RMCS0603FT14K7

Stackpole Electronics, Inc.

RES 14.7K OHM 1% 1/10W 0603

0
RNCF1206FKC24K3

RNCF1206FKC24K3

Stackpole Electronics, Inc.

RES 24.3K OHM 1% 1/3W 1206

0
RMCF0603FT196R

RMCF0603FT196R

Stackpole Electronics, Inc.

RES 196 OHM 1% 1/10W 0603

52105000
RNCF0805BTC576R

RNCF0805BTC576R

Stackpole Electronics, Inc.

RES 576 OHM 0.1% 1/8W 0805

0
RMCF0201FT562K

RMCF0201FT562K

Stackpole Electronics, Inc.

RES 562K OHM 1% 1/20W 0201

0
RNCF0402BTE78R7

RNCF0402BTE78R7

Stackpole Electronics, Inc.

RES 78.7 OHM 0.1% 1/16W 0402

0
RMCF1206FT1M02

RMCF1206FT1M02

Stackpole Electronics, Inc.

RES 1.02M OHM 1% 1/4W 1206

0
RMCF0201FT22R0

RMCF0201FT22R0

Stackpole Electronics, Inc.

RES 22 OHM 1% 1/20W 0201

7166
RNCF0603BKE30R9

RNCF0603BKE30R9

Stackpole Electronics, Inc.

RES 30.9 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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