ample-chip ample-chip
RFQ
BOM

Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0805BKE3K30

RNCF0805BKE3K30

Stackpole Electronics, Inc.

RES 3.3K OHM 0.1% 1/8W 0805

0
RMCF2512FT1K37

RMCF2512FT1K37

Stackpole Electronics, Inc.

RES 1.37K OHM 1% 1W 2512

0
RPC1206JT1R10

RPC1206JT1R10

Stackpole Electronics, Inc.

RES 1.1 OHM 5% 1/3W 1206

0
RNCF0805BKE25R5

RNCF0805BKE25R5

Stackpole Electronics, Inc.

RES 25.5 OHM 0.1% 1/8W 0805

0
RMCF0805FT5R10

RMCF0805FT5R10

Stackpole Electronics, Inc.

RES 5.1 OHM 1% 1/8W 0805

19707
RMCP2010FT4K32

RMCP2010FT4K32

Stackpole Electronics, Inc.

RES 4.32K OHM 1% 1W 2010

0
RPC1206JT47K0

RPC1206JT47K0

Stackpole Electronics, Inc.

RES 47K OHM 5% 1/3W 1206

0
RMCP1206FT750R

RMCP1206FT750R

Stackpole Electronics, Inc.

RES 750 OHM 1% 1/3W 1206

0
RNCF1206BTE18R2

RNCF1206BTE18R2

Stackpole Electronics, Inc.

RES 18.2 OHM 0.1% 1/3W 1206

0
RMCF0402FT3K60

RMCF0402FT3K60

Stackpole Electronics, Inc.

RES 3.6K OHM 1% 1/16W 0402

45414
RMCP2010FT3K57

RMCP2010FT3K57

Stackpole Electronics, Inc.

RES 3.57K OHM 1% 1W 2010

0
RNCF0603BKE240R

RNCF0603BKE240R

Stackpole Electronics, Inc.

RES 240 OHM 0.1% 1/10W 0603

0
RNCF0603BTE6R98

RNCF0603BTE6R98

Stackpole Electronics, Inc.

RES 6.98 OHM 0.1% 1/10W 0603

0
RNCF1206ATE820K

RNCF1206ATE820K

Stackpole Electronics, Inc.

RES 820K OHM 0.05% 1/3W 1206

0
RPC1210JT750R

RPC1210JT750R

Stackpole Electronics, Inc.

RES 750 OHM 5% 1/2W 1210

0
CSR1206FKR590

CSR1206FKR590

Stackpole Electronics, Inc.

RES 0.59 OHM 1% 1/2W 1206

0
RMCF0201FT84R5

RMCF0201FT84R5

Stackpole Electronics, Inc.

RES 84.5 OHM 1% 1/20W 0201

0
RNCF0402DTE46K4

RNCF0402DTE46K4

Stackpole Electronics, Inc.

RES 46.4K OHM 0.5% 1/16W 0402

0
RNCF0603BTE22R6

RNCF0603BTE22R6

Stackpole Electronics, Inc.

RES 22.6 OHM 0.1% 1/10W 0603

0
CSR1206JK24L0

CSR1206JK24L0

Stackpole Electronics, Inc.

RES 0.024 OHM 5% 1/2W 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

RFQ BOM Call Skype Email
Top