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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RMCF2010FT330K

RMCF2010FT330K

Stackpole Electronics, Inc.

RES 330K OHM 1% 3/4W 2010

0
HVCB1206BTE100M

HVCB1206BTE100M

Stackpole Electronics, Inc.

RES 100M OHM 0.1% 1/3W 1206

0
RMCP2010FT9M09

RMCP2010FT9M09

Stackpole Electronics, Inc.

RES 9.09M OHM 1% 1W 2010

0
CSSH2512JT7L00

CSSH2512JT7L00

Stackpole Electronics, Inc.

RES 0.007 OHM 5% 3W 2512

0
RMCF1206FT8M87

RMCF1206FT8M87

Stackpole Electronics, Inc.

RES 8.87M OHM 1% 1/4W 1206

0
RNCF0603DKE205R

RNCF0603DKE205R

Stackpole Electronics, Inc.

RES 205 OHM 0.5% 1/10W 0603

0
RNCF0805FTC560K

RNCF0805FTC560K

Stackpole Electronics, Inc.

RES 560K OHM 1% 1/8W 0805

0
RNCF0805BTE56K2

RNCF0805BTE56K2

Stackpole Electronics, Inc.

RES 56.2K OHM 0.1% 1/8W 0805

0
RNCF0603BTE30K1

RNCF0603BTE30K1

Stackpole Electronics, Inc.

RES 30.1K OHM 0.1% 1/10W 0603

0
HMC0805KT68M0

HMC0805KT68M0

Stackpole Electronics, Inc.

RES 68M OHM 10% 1/8W 0805

0
RNCF1206BKC10K0

RNCF1206BKC10K0

Stackpole Electronics, Inc.

RES 10K OHM 0.1% 1/3W 1206

0
RNCF1206DKE62R0

RNCF1206DKE62R0

Stackpole Electronics, Inc.

RES 62 OHM 0.5% 1/3W 1206

0
RMCF0805FT23K2

RMCF0805FT23K2

Stackpole Electronics, Inc.

RES 23.2K OHM 1% 1/8W 0805

9823
SM6227FT113R

SM6227FT113R

Stackpole Electronics, Inc.

RES 113 OHM 1% 3W 6227

0
RNCF0805DTE300R

RNCF0805DTE300R

Stackpole Electronics, Inc.

RES 300 OHM 0.5% 1/8W 0805

0
RMCF1206FT620K

RMCF1206FT620K

Stackpole Electronics, Inc.

RES 620K OHM 1% 1/4W 1206

10835
RNCF0603DTE1K65

RNCF0603DTE1K65

Stackpole Electronics, Inc.

RES 1.65K OHM 0.5% 1/10W 0603

0
RMCF0402FT18K0

RMCF0402FT18K0

Stackpole Electronics, Inc.

RES 18K OHM 1% 1/16W 0402

230
RMCF1206FT102R

RMCF1206FT102R

Stackpole Electronics, Inc.

RES 102 OHM 1% 1/4W 1206

0
RPC0805JT2K20-UP

RPC0805JT2K20-UP

Stackpole Electronics, Inc.

RES, PULSE, 0805, 5%, 2.2 KOHM,

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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