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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCR25JZHF9531

MCR25JZHF9531

ROHM Semiconductor

RES SMD 9.53K OHM 1% 1/4W 1210

4635
ESR25JZPJ3R3

ESR25JZPJ3R3

ROHM Semiconductor

RES SMD 3.3 OHM 5% 2/3W 1210

4571
ESR10EZPF1101

ESR10EZPF1101

ROHM Semiconductor

RES SMD 1.1K OHM 1% 0.4W 0805

1634
MCR03ERTF21R5

MCR03ERTF21R5

ROHM Semiconductor

RES SMD 21.5 OHM 1% 1/10W 0603

260
TRR01MZPF33R2

TRR01MZPF33R2

ROHM Semiconductor

RES SMD 33.2 OHM 1% 1/16W 0402

22051
MCR03ERTF8872

MCR03ERTF8872

ROHM Semiconductor

RES SMD 88.7K OHM 1% 1/10W 0603

5
KTR25JZPJ160

KTR25JZPJ160

ROHM Semiconductor

RES SMD 16 OHM 5% 1/3W 1210

0
ESR18EZPF4300

ESR18EZPF4300

ROHM Semiconductor

RES SMD 430 OHM 1% 1/2W 1206

0
ESR18EZPJ5R6

ESR18EZPJ5R6

ROHM Semiconductor

RES SMD 5.6 OHM 5% 1/2W 1206

127
KTR18EZPF3320

KTR18EZPF3320

ROHM Semiconductor

RES SMD 332 OHM 1% 1/4W 1206

0
KTR18EZPF3604

KTR18EZPF3604

ROHM Semiconductor

RES SMD 3.6M OHM 1% 1/4W 1206

18576
MCR006YRTJ161

MCR006YRTJ161

ROHM Semiconductor

RES SMD 160 OHM 5% 1/20W 0201

41280
MCR18ERTF54R9

MCR18ERTF54R9

ROHM Semiconductor

RES SMD 54.9 OHM 1% 1/4W 1206

4565
ESR10EZPF1214

ESR10EZPF1214

ROHM Semiconductor

RES SMD 1.21M OHM 1% 0.4W 0805

0
ESR10EZPF9091

ESR10EZPF9091

ROHM Semiconductor

RES SMD 9.09K OHM 1% 0.4W 0805

0
TRR01MZPF4703

TRR01MZPF4703

ROHM Semiconductor

RES SMD 470K OHM 1% 1/16W 0402

23018
ESR18EZPF3602

ESR18EZPF3602

ROHM Semiconductor

RES SMD 36K OHM 1% 1/2W 1206

0
TRR01MZPJ220

TRR01MZPJ220

ROHM Semiconductor

RES SMD 22 OHM 5% 1/16W 0402

0
ESR25JZPJ752

ESR25JZPJ752

ROHM Semiconductor

RES SMD 7.5K OHM 5% 2/3W 1210

0
TRR01MZPF3832

TRR01MZPF3832

ROHM Semiconductor

RES SMD 38.3K OHM 1% 1/16W 0402

16485

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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