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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0805BTE2K40

RNCF0805BTE2K40

Stackpole Electronics, Inc.

RES 2.4K OHM 0.1% 1/8W 0805

0
RNCF1206DKE15K4

RNCF1206DKE15K4

Stackpole Electronics, Inc.

RES 15.4K OHM 0.5% 1/3W 1206

0
RPC0603JT820R

RPC0603JT820R

Stackpole Electronics, Inc.

RES 820 OHM 5% 1/10W 0603

0
HVCB0805JDD2G00

HVCB0805JDD2G00

Stackpole Electronics, Inc.

RES 2G OHM 5% 1/5W 0805

0
HVCB1206KDM470K

HVCB1206KDM470K

Stackpole Electronics, Inc.

RES 470K OHM 10% 1/3W 1206

0
RNCF0603BKE1K65

RNCF0603BKE1K65

Stackpole Electronics, Inc.

RES 1.65K OHM 0.1% 1/10W 0603

0
RNCF0603DKE5K36

RNCF0603DKE5K36

Stackpole Electronics, Inc.

RES 5.36K OHM 0.5% 1/10W 0603

0
RNCF0603BTE11R5

RNCF0603BTE11R5

Stackpole Electronics, Inc.

RES 11.5 OHM 0.1% 1/10W 0603

0
RMCS0805FT60K4

RMCS0805FT60K4

Stackpole Electronics, Inc.

RES 60.4K OHM 1% 1/8W 0805

0
RNCF0402DTE115R

RNCF0402DTE115R

Stackpole Electronics, Inc.

RES 115 OHM 0.5% 1/16W 0402

0
RMCF0603FT43R0

RMCF0603FT43R0

Stackpole Electronics, Inc.

RES 43 OHM 1% 1/10W 0603

1573745000
RNCF0603BTC73R2

RNCF0603BTC73R2

Stackpole Electronics, Inc.

RES 73.2 OHM 0.1% 1/10W 0603

0
RMCF0201FT20K0

RMCF0201FT20K0

Stackpole Electronics, Inc.

RES 20K OHM 1% 1/20W 0201

0
RNCF1206BTE1M74

RNCF1206BTE1M74

Stackpole Electronics, Inc.

RES 1.74M OHM 0.1% 1/8W 1206

0
MLF12FTC499K

MLF12FTC499K

Stackpole Electronics, Inc.

RES 499K OHM 1% 1/2W MELF 0207

0
RNCF0402BTE1K58

RNCF0402BTE1K58

Stackpole Electronics, Inc.

RES 1.58K OHM 0.1% 1/16W 0402

0
RNCP0805FTD27K4

RNCP0805FTD27K4

Stackpole Electronics, Inc.

RES 27.4K OHM 1% 1/4W 0805

1515
RHC2512FT1R10

RHC2512FT1R10

Stackpole Electronics, Inc.

RES 1.1 OHM 1% 2W 2512

0
RMCF0805FT562R

RMCF0805FT562R

Stackpole Electronics, Inc.

RES 562 OHM 1% 1/8W 0805

14448
RMCF1210JT910K

RMCF1210JT910K

Stackpole Electronics, Inc.

RES 910K OHM 5% 1/3W 1210

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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