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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0603DKE10K0

RNCF0603DKE10K0

Stackpole Electronics, Inc.

RES 10K OHM 0.5% 1/10W 0603

0
RMCF1210FT4M70

RMCF1210FT4M70

Stackpole Electronics, Inc.

RES 4.7M OHM 1% 1/3W 1210

0
RNCF1206BTC2K10

RNCF1206BTC2K10

Stackpole Electronics, Inc.

RES 2.1K OHM 0.1% 1/3W 1206

0
RNCF0805DKE44K2

RNCF0805DKE44K2

Stackpole Electronics, Inc.

RES 44.2K OHM 0.5% 1/8W 0805

0
RNCF0402DKE23K7

RNCF0402DKE23K7

Stackpole Electronics, Inc.

RES 23.7K OHM 0.5% 1/16W 0402

0
RMCF2512FT240R

RMCF2512FT240R

Stackpole Electronics, Inc.

RES 240 OHM 1% 1W 2512

0
RNCF1206BKE976K

RNCF1206BKE976K

Stackpole Electronics, Inc.

RES 976K OHM 0.1% 1/3W 1206

0
SM2615FT22R6

SM2615FT22R6

Stackpole Electronics, Inc.

RES 22.6 OHM 1% 1W 2615

0
RNCF0805DTC5R36

RNCF0805DTC5R36

Stackpole Electronics, Inc.

RES 5.36 OHM 0.5% 1/8W 0805

0
RNCF0603BKE6K04

RNCF0603BKE6K04

Stackpole Electronics, Inc.

RES 6.04K OHM 0.1% 1/10W 0603

0
RNCF0805DTE1M91

RNCF0805DTE1M91

Stackpole Electronics, Inc.

RES 1.91M OHM 0.5% 1/10W 0805

0
RPC0805JT330K-UP

RPC0805JT330K-UP

Stackpole Electronics, Inc.

RES, PULSE, 0805, 5%, 330 KOHM,

0
CSRN2010JT20L0

CSRN2010JT20L0

Stackpole Electronics, Inc.

RES 0.02 OHM 5% 1W 2010

0
RMCF1206FT39K0

RMCF1206FT39K0

Stackpole Electronics, Inc.

RES 39K OHM 1% 1/4W 1206

0
RNCF1206DTE9R31

RNCF1206DTE9R31

Stackpole Electronics, Inc.

RES 9.31 OHM 0.5% 1/4W 1206

0
RNCF0201DTC5K60

RNCF0201DTC5K60

Stackpole Electronics, Inc.

RES 5.6K OHM 0.5% 1/32W 0201

0
RPC1206JT24K0

RPC1206JT24K0

Stackpole Electronics, Inc.

RES 24K OHM 5% 1/3W 1206

0
RNCF1206DTE169R

RNCF1206DTE169R

Stackpole Electronics, Inc.

RES 169 OHM 0.5% 1/3W 1206

0
RNCF1206CTC10K0

RNCF1206CTC10K0

Stackpole Electronics, Inc.

RES 10K OHM 0.25% 1/3W 1206

0
RMCF0201FT200R

RMCF0201FT200R

Stackpole Electronics, Inc.

RES 200 OHM 1% 1/20W 0201

138036

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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