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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
ERJ-P06D5361V

ERJ-P06D5361V

Panasonic

RES SMD 5.36 KOHM 0.5% 1/2W 0805

0
ERJ-PA3F3401V

ERJ-PA3F3401V

Panasonic

RES SMD 3.4K OHM 1% 1/4W 0603

0
ERJ-14NF8661U

ERJ-14NF8661U

Panasonic

RES SMD 8.66K OHM 1% 1/2W 1210

11047
ERJ-S1DJ514U

ERJ-S1DJ514U

Panasonic

RES SMD 510K OHM 5% 3/4W 2010

0
ERJ-1TYJ750U

ERJ-1TYJ750U

Panasonic

RES SMD 75 OHM 5% 1W 2512

22846
ERA-1AEB9090C

ERA-1AEB9090C

Panasonic

RES SMD 909 OHM 0.1% 1/20W 0201

0
ERJ-T08J514V

ERJ-T08J514V

Panasonic

RES SMD 510K OHM 5% 1/3W 1206

0
ERA-8AED104V

ERA-8AED104V

Panasonic

RES 100 KOHMS 0.5% 1/4W 1206

6729
ERA-8AED103V

ERA-8AED103V

Panasonic

RES 10 KOHMS 0.5% 1/4W 1206

3043
ERJ-6GEYJ9R1V

ERJ-6GEYJ9R1V

Panasonic

RES SMD 9.1 OHM 5% 1/8W 0805

49970
ERJ-U1DF2212U

ERJ-U1DF2212U

Panasonic

RES 22.1K OHM 1% 3/4W 2010 SMD

0
ERA-2APB7871X

ERA-2APB7871X

Panasonic

RES SMD 7.87KOHM 0.1% 1/16W 0402

9518
ERJ-H3EF1300V

ERJ-H3EF1300V

Panasonic

RES 130 OHM 1% 1/6W 0603

0
ERA-2AEB4021X

ERA-2AEB4021X

Panasonic

RES SMD 4.02KOHM 0.1% 1/16W 0402

0
ERA-2AEB3831X

ERA-2AEB3831X

Panasonic

RES SMD 3.83KOHM 0.1% 1/16W 0402

20325
ERJ-U14F3601U

ERJ-U14F3601U

Panasonic

RES 3.6K OHM 1% 1/2W 1210 SMD

0
ERJ-U02F7152X

ERJ-U02F7152X

Panasonic

RES 71.5K OHM 1% 1/10W 0402 SMD

0
ERJ-U1TJ245U

ERJ-U1TJ245U

Panasonic

RES 2.4 M OHM 5% 1W 2512 SMD

0
ERJ-PA3F2703V

ERJ-PA3F2703V

Panasonic

RES SMD 270K OHM 1% 1/4W 0603

4232
ERJ-8BQJR68V

ERJ-8BQJR68V

Panasonic

RES 0.68 OHM 5% 1/2W 1206

2966

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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