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Resistors-Through Hole

Image Part Number Description / PDF Quantity Rfq
RC12JT20R0

RC12JT20R0

Stackpole Electronics, Inc.

RES 20 OHM 1/2W 5% AXIAL

0
HDM14JT2R40

HDM14JT2R40

Stackpole Electronics, Inc.

RES 2.4 OHM 1/4W 5% AXIAL

0
RNF12FTD1K02

RNF12FTD1K02

Stackpole Electronics, Inc.

RES 1.02K OHM 1/2W 1% AXIAL

0
RNF14FTC107R

RNF14FTC107R

Stackpole Electronics, Inc.

RES 107 OHM 1/4W 1% AXIAL

0
RC12JT51K0

RC12JT51K0

Stackpole Electronics, Inc.

RES 51K OHM 1/2W 5% AXIAL

0
RNF14FAC29K4

RNF14FAC29K4

Stackpole Electronics, Inc.

RES 29.4K OHM 1/4W 1% AXIAL

0
CB7JB3R60

CB7JB3R60

Stackpole Electronics, Inc.

RES 3.6 OHM 7W 5% CERAMIC WW

0
RNMF14FTC750R

RNMF14FTC750R

Stackpole Electronics, Inc.

RES 750 OHM 1/4W 1% AXIAL

5750
RNF14FTD5K60

RNF14FTD5K60

Stackpole Electronics, Inc.

RES 5.6K OHM 1/4W 1% AXIAL

0
RNF14FTD59R0

RNF14FTD59R0

Stackpole Electronics, Inc.

RES 59 OHM 1/4W 1% AXIAL

0
CFM14JT1M80

CFM14JT1M80

Stackpole Electronics, Inc.

RES 1.8M OHM 1/4W 5% CF MINI

467015000
RNF14BAE2K84

RNF14BAE2K84

Stackpole Electronics, Inc.

RES 2.84K OHM 1/4W .1% AXIAL

0
MG14JT39M0

MG14JT39M0

Stackpole Electronics, Inc.

RES 39M OHM 1/4W 5% AXIAL

80000
RNF14BAC226R

RNF14BAC226R

Stackpole Electronics, Inc.

RES 226 OHM 1/4W .1% AXIAL

0
RNF12FTD3K40

RNF12FTD3K40

Stackpole Electronics, Inc.

RES 3.4K OHM 1/2W 1% AXIAL

0
WW12FT7R32

WW12FT7R32

Stackpole Electronics, Inc.

RES 7.32 OHM 0.4W 1% AXIAL

0
RNMF14FTD4K02

RNMF14FTD4K02

Stackpole Electronics, Inc.

RES 4.02K OHM 1/4W 1% AXIAL

0
RNF14BAE111R

RNF14BAE111R

Stackpole Electronics, Inc.

RES 111 OHM 1/4W .1% AXIAL

0
RNF14BAE14R7

RNF14BAE14R7

Stackpole Electronics, Inc.

RES 14.7 OHM 1/4W 0.1% AXIAL

0
RNF14FTC1R54

RNF14FTC1R54

Stackpole Electronics, Inc.

RES 1.54 OHM 1/4W 1% AXIAL

0

Resistors-Through Hole

1. Overview

Through Hole Resistors (THRs) are axial-leaded electronic components designed to limit current flow and divide voltages in circuits. They are mounted by inserting leads into printed circuit board (PCB) holes and soldering on the reverse side. As foundational passive components, THRs maintain circuit stability and precision across industries. Despite the rise of surface-mount devices, THRs remain critical for high-power applications and prototyping due to their durability and ease of manual handling.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Carbon Film ResistorsLow noise, stable performance, cost-effectiveGeneral-purpose electronics, consumer devices
Metal Film ResistorsHigh precision ( 0.1% tolerance), low temperature coefficientMedical instruments, test equipment
Wirewound ResistorsHigh power handling (up to 50W), accurate resistance valuesPower supplies, industrial machinery
Ceramic Composition ResistorsHigh surge current resistancePower line filters, lighting ballasts
Fusible ResistorsActs as both resistor and fuseOvercurrent protection in power circuits

3. Structure and Composition

Typical THRs feature:

  • Lead Wires: Tin-plated copper or silver alloys for solderability
  • Resistive Element: Carbon/metal film or wound nichrome wire
  • Insulating Body: Ceramic or glass-epoxy coating
  • Marking: Color bands (EIA-438B standard) or printed text

Advanced designs incorporate flame-retardant coatings and precision laser-trimmed elements for 0.01% tolerance.

4. Key Technical Specifications

ParameterTypical RangeImportance
Resistance Value1 to 100M Determines current/voltage control
Power Rating1/8W to 50WDefines maximum power dissipation
Tolerance 0.01% to 5%Indicates resistance accuracy
Temperature Coefficient 5ppm/ C to 300ppm/ CMeasures stability over temperature
Voltage Rating200V to 1000VPrevents dielectric breakdown

5. Application Fields

  • Consumer Electronics: Power management in TVs, audio equipment
  • Industrial Control: Motor speed controllers, PLC systems
  • Telecommunications: Signal conditioning in base stations
  • Automotive: Engine control units, LED lighting systems
  • Medical Devices: Precision measurement in diagnostic equipment

Case Study: Metal film resistors in ECG machines provide 0.1% tolerance for accurate heart signal detection.

6. Leading Manufacturers and Products

ManufacturerKey Products
Vishay Precision GroupY1485 series ( 0.005% tolerance wirewound)
Yageo CorporationMF-RC series (metal film, 1/4W to 2W)
Panasonic Electronic ComponentsEVR series (ceramic composition, 250V rating)
Bourns Inc.CR2800 series (fusible resistors)

7. Selection Guidelines

Key considerations:

  1. Determine required power dissipation (select 2x calculated wattage)
  2. Match tolerance to application needs (e.g., 0.1% for audio amplifiers)
  3. Verify temperature coefficient for operating environment
  4. Consider voltage ratings for high-voltage circuits
  5. Check RoHS compliance for environmental regulations

Example: Selecting a 10 , 10W wirewound resistor for a 24V DC motor driver circuit.

8. Industry Trends

Current development directions:

  • Miniaturization while maintaining power ratings (e.g., 5W resistors in 1210 package)
  • Advancements in laser trimming for sub-ppm level precision
  • Adoption of eco-friendly materials meeting REACH/SVHC standards
  • Integration with smart manufacturing systems for automated placement
  • Development of high-temperature resistant models (up to 300 C operating)

Market growth projections indicate a CAGR of 4.2% through 2030, driven by automotive electronics demand.

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