ample-chip ample-chip
RFQ
BOM

Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0402DTE22R1

RNCF0402DTE22R1

Stackpole Electronics, Inc.

RES 22.1 OHM 0.5% 1/16W 0402

0
RMCF0805FT121R

RMCF0805FT121R

Stackpole Electronics, Inc.

RES 121 OHM 1% 1/8W 0805

1425
RNCF0603BKE604R

RNCF0603BKE604R

Stackpole Electronics, Inc.

RES 604 OHM 0.1% 1/10W 0603

0
RNCF0402DTC48K7

RNCF0402DTC48K7

Stackpole Electronics, Inc.

RES 48.7K OHM 0.5% 1/16W 0402

0
CSR1225FTR750

CSR1225FTR750

Stackpole Electronics, Inc.

RES 0.75 OHM 1% 3W 2512 WIDE

0
RNCF0805BTE820R

RNCF0805BTE820R

Stackpole Electronics, Inc.

RES 820 OHM 0.1% 1/8W 0805

0
RHC2512FT1R07

RHC2512FT1R07

Stackpole Electronics, Inc.

RES 1.07 OHM 1% 2W 2512

0
SM6227JT4R70

SM6227JT4R70

Stackpole Electronics, Inc.

RES 4.7 OHM 5% 3W 6227

0
SM2615JT1R50

SM2615JT1R50

Stackpole Electronics, Inc.

RES 1.5 OHM 5% 1W 2615

0
RNCF1206BTE27K4

RNCF1206BTE27K4

Stackpole Electronics, Inc.

RES 27.4K OHM 0.1% 1/3W 1206

0
RMCF1210FT1M02

RMCF1210FT1M02

Stackpole Electronics, Inc.

RES 1.02M OHM 1% 1/3W 1210

0
CSRN2512FT82L0

CSRN2512FT82L0

Stackpole Electronics, Inc.

RES 0.082 OHM 1% 2W 2512

0
RNCF1206DTC8R25

RNCF1206DTC8R25

Stackpole Electronics, Inc.

RES 8.25 OHM 0.5% 1/4W 1206

0
RNCF0201DTE590R

RNCF0201DTE590R

Stackpole Electronics, Inc.

RES 590 OHM 0.5% 1/32W 0201

0
RNCF1206BTE2K26

RNCF1206BTE2K26

Stackpole Electronics, Inc.

RES 2.26K OHM 0.1% 1/3W 1206

0
RNCF1206BKE3K48

RNCF1206BKE3K48

Stackpole Electronics, Inc.

RES 3.48K OHM 0.1% 1/3W 1206

0
RNCS0402DTE1K00

RNCS0402DTE1K00

Stackpole Electronics, Inc.

RES 1K OHM 0.5% 1/16W 0402

0
RMCF0805FT392R

RMCF0805FT392R

Stackpole Electronics, Inc.

RES 392 OHM 1% 1/8W 0805

61464
RMCF0603FT8M45

RMCF0603FT8M45

Stackpole Electronics, Inc.

RES 8.45M OHM 1% 1/10W 0603

4990
RNCF0402BKE10K5

RNCF0402BKE10K5

Stackpole Electronics, Inc.

RES 10.5K OHM 0.1% 1/16W 0402

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