ample-chip ample-chip
RFQ
BOM

Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
ESR18EZPJ333

ESR18EZPJ333

ROHM Semiconductor

RES SMD 33K OHM 5% 1/2W 1206

21766
ESR25JZPJ3R0

ESR25JZPJ3R0

ROHM Semiconductor

RES SMD 3 OHM 5% 2/3W 1210

1346
KTR25JZPF13R0

KTR25JZPF13R0

ROHM Semiconductor

RES SMD 13 OHM 1% 1/3W 1210

7438
ESR18EZPF3570

ESR18EZPF3570

ROHM Semiconductor

RES SMD 357 OHM 1% 1/2W 1206

0
MCR03ERTJ364

MCR03ERTJ364

ROHM Semiconductor

RES SMD 360K OHM 5% 1/10W 0603

4649
ESR10EZPJ106

ESR10EZPJ106

ROHM Semiconductor

RES SMD 10M OHM 5% 0.4W 0805

0
UCR01MVPFLR820

UCR01MVPFLR820

ROHM Semiconductor

RES 0.82 OHM 1% 1/8W 0402

18321
MCR18ERTJ185

MCR18ERTJ185

ROHM Semiconductor

RES SMD 1.8M OHM 5% 1/4W 1206

4861
TRR01MZPJ106

TRR01MZPJ106

ROHM Semiconductor

RES SMD 10M OHM 5% 1/16W 0402

10746
UCR18EVHJSR012

UCR18EVHJSR012

ROHM Semiconductor

RES 0.012 OHM 5% 1/2W 1206

0
ESR25JZPJ273

ESR25JZPJ273

ROHM Semiconductor

RES SMD 27K OHM 5% 2/3W 1210

98
KTR18EZPF1240

KTR18EZPF1240

ROHM Semiconductor

RES SMD 124 OHM 1% 1/4W 1206

0
MCR10ERTJ684

MCR10ERTJ684

ROHM Semiconductor

RES SMD 680K OHM 5% 1/8W 0805

3630
MCR03ERTFL7R50

MCR03ERTFL7R50

ROHM Semiconductor

RES SMD 7.5 OHM 1% 1/10W 0603

1
LTR18EZPJ432

LTR18EZPJ432

ROHM Semiconductor

RES SMD 4.3K OHM 3/4W 1206 WIDE

0
KTR18EZPF1301

KTR18EZPF1301

ROHM Semiconductor

RES SMD 1.3K OHM 1% 1/4W 1206

0
KTR18EZPF40R2

KTR18EZPF40R2

ROHM Semiconductor

RES SMD 40.2 OHM 1% 1/4W 1206

9834
TRR01MZPF3303

TRR01MZPF3303

ROHM Semiconductor

RES SMD 330K OHM 1% 1/16W 0402

7082
MCR01MRTF5491

MCR01MRTF5491

ROHM Semiconductor

RES SMD 5.49K OHM 1% 1/16W 0402

50
ESR01MZPJ224

ESR01MZPJ224

ROHM Semiconductor

RES SMD 220K OHM 5% 1/5W 0402

18560

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

RFQ BOM Call Skype Email
Top