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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
MCR100JZHF18R2

MCR100JZHF18R2

ROHM Semiconductor

RES SMD 18.2 OHM 1% 1W 2512

2294
MCR03ERTJ363

MCR03ERTJ363

ROHM Semiconductor

RES SMD 36K OHM 5% 1/10W 0603

498
TRR01MZPF1622

TRR01MZPF1622

ROHM Semiconductor

RES SMD 16.2K OHM 1% 1/16W 0402

29752
MCR25JZHF1301

MCR25JZHF1301

ROHM Semiconductor

RES SMD 1.3K OHM 1% 1/4W 1210

2267
ESR10EZPF60R4

ESR10EZPF60R4

ROHM Semiconductor

RES SMD 60.4 OHM 1% 0.4W 0805

0
KTR25JZPJ364

KTR25JZPJ364

ROHM Semiconductor

RES SMD 360K OHM 5% 1/3W 1210

0
MCR03ERTJ201

MCR03ERTJ201

ROHM Semiconductor

RES SMD 200 OHM 5% 1/10W 0603

1
KTR03EZPJ392

KTR03EZPJ392

ROHM Semiconductor

RES SMD 3.9K OHM 5% 1/10W 0603

0
KTR10EZPF1693

KTR10EZPF1693

ROHM Semiconductor

RES SMD 169K OHM 1% 1/8W 0805

0
ESR25JZPF3004

ESR25JZPF3004

ROHM Semiconductor

RES SMD 3M OHM 1% 2/3W 1210

0
MCR10ERTF68R0

MCR10ERTF68R0

ROHM Semiconductor

RES SMD 68 OHM 1% 1/8W 0805

30
KTR25JZPJ431

KTR25JZPJ431

ROHM Semiconductor

RES SMD 430 OHM 5% 1/3W 1210

0
ESR01MZPJ681

ESR01MZPJ681

ROHM Semiconductor

RES SMD 680 OHM 5% 1/5W 0402

10000
KTR18EZPF54R9

KTR18EZPF54R9

ROHM Semiconductor

RES SMD 54.9 OHM 1% 1/4W 1206

0
KTR18EZPJ474

KTR18EZPJ474

ROHM Semiconductor

RES SMD 470K OHM 5% 1/4W 1206

9760
ESR10EZPF82R0

ESR10EZPF82R0

ROHM Semiconductor

RES SMD 82 OHM 1% 0.4W 0805

5000
ESR10EZPF37R4

ESR10EZPF37R4

ROHM Semiconductor

RES SMD 37.4 OHM 1% 0.4W 0805

0
ESR18EZPF27R4

ESR18EZPF27R4

ROHM Semiconductor

RES SMD 27.4 OHM 1% 1/2W 1206

0
TRR01MZPJ3R9

TRR01MZPJ3R9

ROHM Semiconductor

RES SMD 3.9 OHM 5% 1/16W 0402

0
TRR01MZPF3010

TRR01MZPF3010

ROHM Semiconductor

RES SMD 301 OHM 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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