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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCR50JZHJ360

MCR50JZHJ360

ROHM Semiconductor

RES SMD 36 OHM 5% 1/2W 2010

11910
MCR18ERTJ332

MCR18ERTJ332

ROHM Semiconductor

RES SMD 3.3K OHM 5% 1/4W 1206

1
ESR10EZPF1131

ESR10EZPF1131

ROHM Semiconductor

RES SMD 1.13K OHM 1% 0.4W 0805

0
ESR18EZPJ164

ESR18EZPJ164

ROHM Semiconductor

RES SMD 160K OHM 5% 1/2W 1206

0
KTR18EZPF1051

KTR18EZPF1051

ROHM Semiconductor

RES SMD 1.05K OHM 1% 1/4W 1206

0
TRR03EZPJ823

TRR03EZPJ823

ROHM Semiconductor

RES SMD 82K OHM 5% 1/10W 0603

0
ESR10EZPF1005

ESR10EZPF1005

ROHM Semiconductor

RES SMD 10M OHM 1% 0.4W 0805

0
MCR03ERTF6651

MCR03ERTF6651

ROHM Semiconductor

RES SMD 6.65K OHM 1% 1/10W 0603

10
TRR03EZPF1100

TRR03EZPF1100

ROHM Semiconductor

RES SMD 110 OHM 1% 1/10W 0603

0
LTR18EZPJ160

LTR18EZPJ160

ROHM Semiconductor

RES SMD 16 OHM 3/4W 1206 WIDE

0
KTR18EZPF2550

KTR18EZPF2550

ROHM Semiconductor

RES SMD 255 OHM 1% 1/4W 1206

0
TRR03EZPJ152

TRR03EZPJ152

ROHM Semiconductor

RES SMD 1.5K OHM 5% 1/10W 0603

0
MCR03ERTF1272

MCR03ERTF1272

ROHM Semiconductor

RES SMD 12.7K OHM 1% 1/10W 0603

32
KTR10EZPF7501

KTR10EZPF7501

ROHM Semiconductor

RES SMD 7.5K OHM 1% 1/8W 0805

5840
ESR01MZPF2002

ESR01MZPF2002

ROHM Semiconductor

RES SMD 20K OHM 1% 1/5W 0402

0
ESR18EZPF8060

ESR18EZPF8060

ROHM Semiconductor

RES SMD 806 OHM 1% 1/2W 1206

0
KTR10EZPF1244

KTR10EZPF1244

ROHM Semiconductor

RES SMD 1.24M OHM 1% 1/8W 0805

0
LTR10EVHFSR062

LTR10EVHFSR062

ROHM Semiconductor

RES 0.062 OHM 1/2W 0805 WIDE

0
KTR25JZPF1R60

KTR25JZPF1R60

ROHM Semiconductor

RES SMD 1.6 OHM 1% 1/3W 1210

21119
KTR10EZPJ271

KTR10EZPJ271

ROHM Semiconductor

RES SMD 270 OHM 5% 1/8W 0805

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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