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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RHC2512FT698R

RHC2512FT698R

Stackpole Electronics, Inc.

RES 698 OHM 1% 2W 2512

0
RNCF0805FTC2M00

RNCF0805FTC2M00

Stackpole Electronics, Inc.

RES 2M OHM 1% 1/10W 0805

0
RMCP2010FT220K

RMCP2010FT220K

Stackpole Electronics, Inc.

RES 220K OHM 1% 1W 2010

0
RNCF0603BTC133R

RNCF0603BTC133R

Stackpole Electronics, Inc.

RES 133 OHM 0.1% 1/10W 0603

0
RNCF0805BTC133R

RNCF0805BTC133R

Stackpole Electronics, Inc.

RES 133 OHM 0.1% 1/8W 0805

0
RNCF0402DTC36K5

RNCF0402DTC36K5

Stackpole Electronics, Inc.

RES 36.5K OHM 0.5% 1/16W 0402

0
RMCF2010FT61K9

RMCF2010FT61K9

Stackpole Electronics, Inc.

RES 61.9K OHM 1% 3/4W 2010

0
CSR1206JT12L0

CSR1206JT12L0

Stackpole Electronics, Inc.

RES 0.012 OHM 5% 1/2W 1206

0
RNCF0805DKE52R3

RNCF0805DKE52R3

Stackpole Electronics, Inc.

RES 52.3 OHM 0.5% 1/8W 0805

0
RNCF0402DTC24K9

RNCF0402DTC24K9

Stackpole Electronics, Inc.

RES 24.9K OHM 0.5% 1/16W 0402

0
RMCF0201JT3K60

RMCF0201JT3K60

Stackpole Electronics, Inc.

RES 3.6K OHM 5% 1/20W 0201

0
CSR1206JKR160

CSR1206JKR160

Stackpole Electronics, Inc.

RES 0.16 OHM 5% 1/2W 1206

0
RNCF1206BTE133K

RNCF1206BTE133K

Stackpole Electronics, Inc.

RES 133K OHM 0.1% 1/3W 1206

0
RNCS1206BKE90K9

RNCS1206BKE90K9

Stackpole Electronics, Inc.

RES 90.9K OHM 0.1% 1/8W 1206

0
RMCS0805FT4K42

RMCS0805FT4K42

Stackpole Electronics, Inc.

RES 4.42K OHM 1% 1/8W 0805

0
RNCF0402DTE187R

RNCF0402DTE187R

Stackpole Electronics, Inc.

RES 187 OHM 0.5% 1/16W 0402

0
RNCF0603DTE36K0

RNCF0603DTE36K0

Stackpole Electronics, Inc.

RES 36K OHM 0.5% 1/10W 0603

0
RNCF0603BTE3K09

RNCF0603BTE3K09

Stackpole Electronics, Inc.

RES 3.09K OHM 0.1% 1/10W 0603

0
RMCF0603FT115R

RMCF0603FT115R

Stackpole Electronics, Inc.

RES 115 OHM 1% 1/10W 0603

6123
RNCF0402BTC20K5

RNCF0402BTC20K5

Stackpole Electronics, Inc.

RES 20.5K OHM 0.1% 1/16W 0402

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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