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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RMCF0805FT464K

RMCF0805FT464K

Stackpole Electronics, Inc.

RES 464K OHM 1% 1/8W 0805

20000
RNCF0805DTE4R64

RNCF0805DTE4R64

Stackpole Electronics, Inc.

RES 4.64 OHM 0.5% 1/8W 0805

0
CSRN2512FTR600

CSRN2512FTR600

Stackpole Electronics, Inc.

RES 0.6 OHM 1% 2W 2512

0
RNCF0805DKE69K8

RNCF0805DKE69K8

Stackpole Electronics, Inc.

RES 69.8K OHM 0.5% 1/8W 0805

0
RMCF1206FTR560

RMCF1206FTR560

Stackpole Electronics, Inc.

RES 0.56 OHM 1% 1/4W 1206

0
RNCF0603BTE78R7

RNCF0603BTE78R7

Stackpole Electronics, Inc.

RES 78.7 OHM 0.1% 1/10W 0603

0
RMCF2010FT9R31

RMCF2010FT9R31

Stackpole Electronics, Inc.

RES 9.31 OHM 1% 3/4W 2010

0
RNCF0805DKE43K2

RNCF0805DKE43K2

Stackpole Electronics, Inc.

RES 43.2K OHM 0.5% 1/8W 0805

0
RNCF0603DTC12K7

RNCF0603DTC12K7

Stackpole Electronics, Inc.

RES 12.7K OHM 0.5% 1/10W 0603

0
RNCF0603BTC64K9

RNCF0603BTC64K9

Stackpole Electronics, Inc.

RES 64.9K OHM 0.1% 1/10W 0603

0
RGC0805DTC511R

RGC0805DTC511R

Stackpole Electronics, Inc.

RES 511 OHM 0.5% 1/8W 0805

0
RMCF2512FTR976

RMCF2512FTR976

Stackpole Electronics, Inc.

RES 0.976 OHM 1% 1W 2512

0
RNCF0805BTC7R32

RNCF0805BTC7R32

Stackpole Electronics, Inc.

RES 7.32 OHM 0.1% 1/8W 0805

0
RNCF0603DKE464K

RNCF0603DKE464K

Stackpole Electronics, Inc.

RES 464K OHM 0.5% 1/10W 0603

0
RMCF2512FT2K80

RMCF2512FT2K80

Stackpole Electronics, Inc.

RES 2.8K OHM 1% 1W 2512

0
RMCF2512FT576R

RMCF2512FT576R

Stackpole Electronics, Inc.

RES 576 OHM 1% 1W 2512

0
RNCF0603DTC36R5

RNCF0603DTC36R5

Stackpole Electronics, Inc.

RES 36.5 OHM 0.5% 1/10W 0603

0
RNCF0805DTC63K4

RNCF0805DTC63K4

Stackpole Electronics, Inc.

RES 63.4K OHM 0.5% 1/8W 0805

0
RNCF0603BKE715K

RNCF0603BKE715K

Stackpole Electronics, Inc.

RES 715K OHM 0.1% 1/10W 0603

0
RMCF1210FT8R87

RMCF1210FT8R87

Stackpole Electronics, Inc.

RES 8.87 OHM 1% 1/2W 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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