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Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
SMM02040E6200BB100

SMM02040E6200BB100

Vishay / Beyschlag

RES 620 OHM 0.1% 1/4W MELF 0204

0
MMA02040C6049FB300

MMA02040C6049FB300

Vishay / Beyschlag

RES SMD 60.4 OHM 1% 0.4W 0204

7076
MCT06030C3839FP500

MCT06030C3839FP500

Vishay / Beyschlag

RES 38.3 OHM 1% 1/8W 0603

0
MMA02040D1000CB300

MMA02040D1000CB300

Vishay / Beyschlag

RES 100 OHM 0.25% 1/4W MELF 0204

0
MCU08050D4701BP100

MCU08050D4701BP100

Vishay / Beyschlag

RES SMD 4.7K OHM 0.1% 1/8W 0805

0
MCT06030C2403FP50S

MCT06030C2403FP50S

Vishay / Beyschlag

RES 240K OHM 1% 1/8W 0603

0
SMM02040D4992DB300

SMM02040D4992DB300

Vishay / Beyschlag

RES 49.9KOHM 0.5% 1/4W MELF 0204

0
SMM02040C6819FB000

SMM02040C6819FB000

Vishay / Beyschlag

RES 68.1 OHM 1% 1/4W MELF 0204

0
MCT06030C3013FP500

MCT06030C3013FP500

Vishay / Beyschlag

RES SMD 301K OHM 1% 1/8W 0603

941
MCT06030D9091BPW00

MCT06030D9091BPW00

Vishay / Beyschlag

RES 9.09K OHM 0.1% 1/10W 0603

0
MCU08050D2433BP100

MCU08050D2433BP100

Vishay / Beyschlag

RES SMD 243K OHM 0.1% 1/8W 0805

0
MCU08050D1820BP500

MCU08050D1820BP500

Vishay / Beyschlag

RES SMD 182 OHM 0.1% 1/8W 0805

0
SMM02040E1002BB000

SMM02040E1002BB000

Vishay / Beyschlag

RES 10K OHM 0.1% 1/4W MELF 0204

0
MCT0603MC1001FP500

MCT0603MC1001FP500

Vishay / Beyschlag

RES SMD 1K OHM 1% 0.15W 0603

64369
MCS04020D2492BE100

MCS04020D2492BE100

Vishay / Beyschlag

RES SMD 24.9KOHM 0.1% 1/16W 0402

0
SMM02040E6811BB300

SMM02040E6811BB300

Vishay / Beyschlag

RES 6.81KOHM 0.1% 1/4W MELF 0204

0
MCT06030C3701DP500

MCT06030C3701DP500

Vishay / Beyschlag

RES 3.7K OHM 0.5% 1/8W 0603

0
MCW0406MD5361BP100

MCW0406MD5361BP100

Vishay / Beyschlag

RES SMD 5.36K OHM 1/4W 0604 WIDE

0
MCT06030D1130BP100

MCT06030D1130BP100

Vishay / Beyschlag

RES SMD 113 OHM 0.1% 1/10W 0603

0
MCA12060D2501BP500

MCA12060D2501BP500

Vishay / Beyschlag

RES SMD 2.5K OHM 0.1% 1/4W 1206

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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