ample-chip ample-chip
RFQ
BOM

Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RM10F1580CT

RM10F1580CT

CAL-CHIP ELECTRONICS INC.

RES SMD 158 OHM 1% 1/8W 0805

20000
RN06B2802CT5-25

RN06B2802CT5-25

CAL-CHIP ELECTRONICS INC.

RES SMD 28K OHM 0.1% 1/16W 0603

0
RM12F5761CT

RM12F5761CT

CAL-CHIP ELECTRONICS INC.

RES SMD 5.76K OHM 1% 1/4W 1206

85000
RM12F8662CT

RM12F8662CT

CAL-CHIP ELECTRONICS INC.

RES SMD 86.6K OHM 1% 1/4W 1206

60000
RN06F7151CT1-5

RN06F7151CT1-5

CAL-CHIP ELECTRONICS INC.

RES SMD 7.15K OHM 1% 1/16W 0603

0
RM10F1602CT

RM10F1602CT

CAL-CHIP ELECTRONICS INC.

RES SMD 16K OHM 1% 1/8W 0805

0
RN06B8061CT5-50

RN06B8061CT5-50

CAL-CHIP ELECTRONICS INC.

RES 8.06K OHM 0.1% 1/16W 0603

0
RM12J162CT

RM12J162CT

CAL-CHIP ELECTRONICS INC.

RES SMD 1.6K OHM 5% 1/4W 1206

0
RN04B2981CT10-25

RN04B2981CT10-25

CAL-CHIP ELECTRONICS INC.

RES 2.98K OHM 0.1% 1/16W 0402

10000
RM10F8870CT

RM10F8870CT

CAL-CHIP ELECTRONICS INC.

RES SMD 887 OHM 1% 1/8W 0805

50000
RM14J301CT

RM14J301CT

CAL-CHIP ELECTRONICS INC.

RES SMD 300 OHM 5% 1/3W 1210

0
RM25F24R9CT

RM25F24R9CT

CAL-CHIP ELECTRONICS INC.

RES SMD 24.9 OHM 1% 1W 2512

16000
RM10F30R1CT

RM10F30R1CT

CAL-CHIP ELECTRONICS INC.

RES SMD 30.1 OHM 1% 1/8W 0805

80000
RM12F7152CT

RM12F7152CT

CAL-CHIP ELECTRONICS INC.

RES SMD 71.5K OHM 1% 1/4W 1206

5000
RM10F16R2CT

RM10F16R2CT

CAL-CHIP ELECTRONICS INC.

RES SMD 16.2 OHM 1% 1/8W 0805

25000
RM25J202CT

RM25J202CT

CAL-CHIP ELECTRONICS INC.

RES SMD 2K OHM 5% 1W 2512

8000
RM20J332CT

RM20J332CT

CAL-CHIP ELECTRONICS INC.

RES SMD 3.3K OHM 5% 1/2W 2010

28000
RM12F27R0CT

RM12F27R0CT

CAL-CHIP ELECTRONICS INC.

RES SMD 27 OHM 1% 1/4W 1206

0
RM25J101CT

RM25J101CT

CAL-CHIP ELECTRONICS INC.

RES SMD 100 OHM 5% 1W 2512

408000
RN06D5362CT5-25

RN06D5362CT5-25

CAL-CHIP ELECTRONICS INC.

RES 53.6K OHM 0.5% 1/16W 0603

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

RFQ BOM Call Skype Email
Top