ample-chip ample-chip
RFQ
BOM

Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
KDV04FR390ET

KDV04FR390ET

Ohmite

RESISTOR CURRENT SENSE

9890
KDV12FR100ET

KDV12FR100ET

Ohmite

RES 100M OHM 1% 1/2W 1206

9899
ACPP0603 120R B

ACPP0603 120R B

Ohmite

RES SMD 120 OHM 0.1% 1/16W 0603

0
RW2R0DAR020JET

RW2R0DAR020JET

Ohmite

RES 0.02 OHM 5% 2W J LEAD

0
HVF2512T1504FE

HVF2512T1504FE

Ohmite

RES SMD 1.5M OHM 1% 1W 2512

500
RW5S0FA1R00FE

RW5S0FA1R00FE

Ohmite

RES SMD 1 OHM 1% 5W L BEND

185
KDV04FR270ET

KDV04FR270ET

Ohmite

RESISTOR CURRENT SENSE

9890
KDV06DR200ET

KDV06DR200ET

Ohmite

RES 200M OHM 0.5% 1/5W 0603

9534
KDV08FR360ET

KDV08FR360ET

Ohmite

RES 360M OHM 1% 1/4W 0805

11811
610SJR00200E-T

610SJR00200E-T

Ohmite

RES 0.002 OHM 5% 1W C BEND

0
RW2S0DA24R0JE

RW2S0DA24R0JE

Ohmite

RES SMD 24 OHM 5% 2W J LEAD

15
KDV12DR330ET

KDV12DR330ET

Ohmite

RES 330M OHM 0.5% 1/2W 1206

4493
RW3R0DB1R00J

RW3R0DB1R00J

Ohmite

RES SMD 1 OHM 5% 3W J LEAD

0
RW2S0DA150RJE

RW2S0DA150RJE

Ohmite

RES SMD 150 OHM 5% 2W J LEAD

395
KDV06FR100ET

KDV06FR100ET

Ohmite

RES 100M OHM 1% 1/5W 0603

1277
KDV12DR270ET

KDV12DR270ET

Ohmite

RES 270M OHM 0.5% 1/2W 1206

4500
TDH50H25R0FE

TDH50H25R0FE

Ohmite

TO-263 HEATSINKABLE THICK FILM R

0
HVC0603T5005FET

HVC0603T5005FET

Ohmite

RES SMD 50M OHM 1% 1/10W 0603

4717
HVC4020V1006JET

HVC4020V1006JET

Ohmite

RES SMD 100M OHM 5% 1.5W 4020

674
HVC4020V2506JET

HVC4020V2506JET

Ohmite

RES 250M OHM 5% 1.5W 4020

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