Get On-Board with KOA Speer

  • Surface Mount Resistors

    Flat chip resistors and arrays include general purpose, high precision, laser trimmable, audio and surge, high voltage, high heat and zero ohm types for applications ranging from general purpose to ultra precision.
    Thick Film  •  Thin Film  •  Melf  •  Resistor
    Array  •  Specialty

  • Current Sense Resistors

    Four basic types of current sensing resistors are available in low-ohm, high precision, 4-terminal Kelvin, high power, low profile, high frequency, high heat, and power shunt chips for a wide range of detecting applications and power applications.
    Thick Film  •  Molded  •  Metal Plate  •  Power Shunt  •  Ceramic

  • Circuit Protection & Thermal Sensor

    Complementing our flat chip resistors is a complete line of circuit protection products including thermistors, platinum sensors, chip and ceramic case fuses and metal oxide varistors.
    Platinum Thermal Sensors  •  Fuses
    •  Varistors  •  Thermal Sensors

  • Leaded Resistors

    The industry's broadest line of leaded resistors and networks includes designs with various material composition and structure for use in general purpose, precision, anti-surge, high voltage, high resistance applications.
    Carbon Film  •  Special Power Film  •  Metal Film  •  Metal Oxide  •  Wirewound  •  Leaded SIP Networks  •  Zero Ohm/Jumper  •  Specialty

  • Inductors

    Magnetic solutions cover an application range from RF to power by using ferrite, ceramic, thin film, wirewound and choke coil technologies.
    Wirewound  •  Choke Coils
     •  Multilayer  •  Thin Film

New Products
We’ll help you go from
concept to reality

Whether you’re designing the car of tomorrow or connecting the Internet of Things, you need to think outside the box. At KOA Speer, we’re committed to work collaboratively with our customers to develop the passive component solution you need to make your design work. Our constantly expanding line of passive components and willingness to engineer new designs makes us the ideal partner to help make your concept a reality!
Check out some of our most recent New Products.

KOA Speer News

  • KOA Speer Receives 2017 Supplier Excellence Awards from TTI

    KOA Speer Receives 2017  Supplier Excellence Awards from TTI Bradford, PA - June 5, 2018 - KOA Speer Electronics, a leading supplier of passive electronic components, announced they have received TTI's 2017 Platinum, Diamond and Best Quality Awards for Supplier Excellence. The TTI Americas Supplier Excellence Award Program represents the highest recognition possible of a supplier's performance within TTI. The SEA program is centered…more>

  • KOA Speer Receives 2016 Supplier Excellence Awards from TTI

    KOA Speer Receives 2016 Supplier Excellence Awards from TTI Bradford, PA - June 13, 2017 - KOA Speer Electronics, a leading supplier of passive electronic components, announced they have received TTI's 2016 Platinum, Diamond and Best Quality Awards for Supplier Excellence. The TTI Americas Supplier Excellence Award Program represents the highest recognition possible of a supplier's performance within TTI. The SEA program is centered…more>

  • KOA Speer Receives Arrow Electronics' 2015 Platinum Level Perfect Order Award

    KOA Speer Receives Arrow Electronics' 2015 Platinum Level Perfect Order Award Bradford, PA, June 16, 2016 - KOA Speer Electronics, Inc. announced today that it was presented with an Arrow Electronics Perfect Order Index (POI) award for 2015. KOA Speer received the platinum award which recognizes suppliers that achieve best-in-class performance for delivering 'perfect orders' as measured by Arrow's eight-point measurement system. Among other criteria,…more>

  • KOA Speer Receives Supplier Excellence Awards from TTI

    KOA Speer Receives Supplier Excellence Awards from TTI Bradford, PA - June 1, 2016 - KOA Speer Electronics, a leading supplier of passive electronic components, announced they have received TTI's 2015 Platinum, Diamond and Best Quality Awards for Supplier Excellence. The TTI Americas Supplier Excellence Award Program represents the highest recognition possible of a supplier's performance within TTI. The SEA program is centered…more>

  • KOA Speer Receives Supplier Excellence Awards from TTI

    KOA Speer Receives Supplier Excellence Awards from TTI Bradford, PA - July 2, 2015 - KOA Speer Electronics, a leading supplier of passive electronic components, announced they have received TTI's 2014 Platinum, Diamond and Best Quality Awards for Supplier Excellence. The TTI Supplier Excellence Award Program represents the highest recognition possible of a supplier's performance within TTI. The program is centered on quality…more>


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Automotive Products

Anti-Sulfuration

Resistors

General purpose 2%, 5% tolerance thick film chip resistor

RK73B

Precision 0.5%, 1% tolerance thick film chip resistor

RK73H

Thick film 0.5%, 1% tolerance, 50ppm/°C chip resistor

RK73G

Flat chip resistor (Anti-Sulfuration)

RK73-RT

Ultra precision grade, low TCR flat chip resistor

RK73F

Wide terminal type surge current flat chip resistors (anti surge)

WG73

Flat chip resistor (Ultra precision grade, Anti-Sulfuration

RK73G-RT

High reliability chip resistors

RS73

Flat thick film resistors (for embedded substrates)

XR73B/XR73H/XR73Z

High reliability chip resistors (anti-sulfuration)

RS73-RT

Wide terminal type flat chip resistor

WK73R

Higher power wide terminal type flat chip resistor

WK73R (Higher Power)

Wide terminal type flat chip resistor (Anti-Sulfuration)

WK73-RT

Higher power wide terminal type flat chip resistor (Anti-Sulfuration)

WK73-RT (Higher Power)

Ultra precision 0.05%, 0.1%, 1% tolerance thin film chip resistor .

RN73

High heat resistance, high reliability metal film chip resistor

RN73H

Microwave thin film chip resistors
Not Recommended for New Design

SHDR

Flat chip resistors for high voltage

HV73

Flat chip resistors for high voltage (Anti-Sulfuration)

HV73-RT

Flat chip resistors for high voltage (Automotive)

HV73V

Flat chip resistors for high voltage (Automotive– Anti-Sulfuration)

HV73V-RT

Anti-surge thick film chip resistor

SG73

Surge current flat chip resistors (anti-surge, anti-sulfuration)

SG73-RT

Endured pulse power flat chip resistors (ultra precision grade)

SG73G

Anti-surge endured pulse power thick film chip resistor

SG73P

Anti-surge endured surge voltage thick film chip resistor

SG73S

Endured pulse power flat chip resistors (Anti-surge, anti-sulfuration)

SG73P-RT

Endured surge voltage flat chip resistors (Anti-surge, anti-sulfuration)

SG73S-RT

Zero ohm jumper chip resistor

RK73Z

Fusing flat chip resistor

RF73

Lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film current sense resistor

SR73

High power, thick film current sense

SR73 (Higher Power)

Low resistance flat chip resistors (Anti-sulfuration)

SR73-RT

Current sensing chip resistor

UR73

Low resistance, low TCR flat chip resistor

UR73V

Wide terminal type low resistance, low T.C.R flat chip resistors

WU73

Wide terminal current sense flat chip resistors

WK73S

Higher power wide terminal current sense flat chip resistor

WK73S (Higher Power)

Large current shunt resistor

HS

Current sensing power shunt

PSJ2

Current sensing power shunt

PSL2

Current sensing power shunt

PSG4

Current sensing power shunt

PSF4

Chip type power shunt resistor

PSB

Chip type power shunt resistor

PSI/PSE

Metal plate chip type low resistance resistor

TLR1E/2A

Metal plate current sense resistor

TLR2B, 2H, 3A, 3AW

Metal plate current sense resistor

TLR-2BW, 2BP, 2HW, 3AP, 3APS

Metal plate chip type low resistance resistors

TLRH

Surface mount molded current sense resistors

SL07, 1, 2, 3, SLN2, SLZ, TSL

Surface mount molded current sense resistors

SLW07, SLW1, SLN3, SLN5

Ceramic case surface mount resistor

BLR

Metal plate current sense resistors

LR72A, B, C

Four-terminal current sense resistor

CSR

Metal plate chip type jumper resistor

TLRZ

Surface mount molded current sense resistors

SL1, SL2

Ultra precision 0.05%, 0.1%, 1% tolerance thin film chip resistor .

RN73

High heat resistance metal film chip resistor

RN73H

Fixed carbon film melf resistor

RD41

Fixed metal film melf resistors

RN41, RM41

Zero ohm melf resistor
Not Recommended for New Design

CC

Fixed ceramic melf resistor

CPCN

Concave termination with square corners resistor array

CN

Convex termination with square corners resistor array

CN___K/N

Anti-sulfuration chip networks (concave termination)

CN-RT

Anti-sulfuration chip networks (convex termination)

CN-KRT

Bussed square corner resistor array

CND

Bussed concave termination square corner resistor array

CNB

Convex termination with scalloped corners resistor array

CN___A

Zero ohm jumper resistor array

CNZ

Ball grid array (BGA) resistor networks

BR

Thin film chip networks

CNN

Integrated passive components

RB(X), RD(X), RT(X)

Isolated and custom resistor networks

RIA, RNX

Precision voltage divider

RTY

R/C filter networks

TF(X)

Diode terminator networks

DN(X)

AC terminator networks

AC(X)

Thin film network resistors for high voltage divider

HVD

Precision metal film resistor SIP network

MRP

Thick film SIP resistors

RKC, RKH, RKL

CR networks

CR

Carbon film leaded resistors

CF

General purpose metal film leaded resistor

MF, MFS, RK

Radial metal film leaded resistors (not recommended for new design)

LF

Jumper wire

JL

Zero ohm jumpers

Z, J

Anti-surge power type leaded resistor

RCR

High voltage high resistance thick film resistors

GS

Thick film resistors for high voltage

RK92

High voltage thick film discharge resistor

RK92L

Ceramic resistors for anti pulse surge

HPC

Ceramic resistors for anti pulse surge

PCF

High voltage power resistors

PSN, PV, PSO, PN, PWW, PAP

MIL approved metal film leaded resistor

RNS

Plate-shaped high precision metal film resistor

MRS

Insulated super miniature precision metal film resistor
Not Recommended for New Design

SF

Reduced size metal oxide power type leaded resistor

MOS

Metal oxide power type leaded resistor
Not Recommended for New DesignRecommended Replacement: MOS

MO

Power carbon film leaded resistor

SPR

Coat-insulated, precision coat-insulated and miniature wirewound leaded resistors

CW, CWP, CWH

Coat-insulated wirewound resistor (with fusing function)

CWFS

Coat-insulated miniature precision power wirewound resistors

RW

Rectangular type wirewound resistors with glass core
rectangular type wirewound resistors with ceramic core
rectangular typemetal oxide film resistors

BGR, BWR, BSR

Rectangular type metal plate resistor

BPR

Custom milliohm resistor

LR

Coat-insulated fusing resistor

RF

Coat-insulated fusing resistors (Constant current fusing type)

RF25CC

Coat-insulated fusing resistor (L type)
Not Recommended for New Design

RF26

Thermal fuse built-in resistor (not recommended for new design)

WF

Anti-surge fusing resistor
Not Recommended for New Design

TPR

Rectangular type wirewound resistors with glass core (for automotive)
rectangular type metal oxide film resistors (for automotive)

BGRV, BSRV

Anti-surge power type leaded resistor

RCR

Ceramic resistors for anti pulse surge

HPC

Ceramic resistors for anti pulse surge

PCF

Rectangular type metal plate resistor

BPR

Custom milliohm resistor

LR

Thermal Protection

Negative tempco thermistor

NT73

Platinum thin film thermal chip sensors

SDT73H/SDT73S

Platinum thin film thermal chip sensors (for automotive)

SDT73V

Platinum thin film thermal sensors

SDT101

Small type platinum thin film thermal sensors (Narrow)

SDT310HCTP

Small type platinum thin film thermal sensor (Small heater element)

SDT310VASP

Small type platinum thin film thermal sensors

SDT310

Custom thermal sensors

ST

Air flow sensor units

AFS

Linear positive tempco thermistor

LT73

Linear positive temperature coefficient flat chip resistors (for automotive)

LT73V

Thin film resistance thermal chip sensor

LP73

Thick film linear positive tempco thermistor

LA73

Thin film resistance thermal sensor

LP

Inductors

Multilayer ceramic inductor

MHL

Thin film inductor
Not Recommended for New Design

KL73

High current inductor

KQC

High Q inductor

KQ

Power chip inductor

LPC4235, LPC4545

Choke coil inductor

LPC

Power chip inductors shielded type

LKS

Transponder coil (Rx)
Not Recommended for New Design

KT11835

Circuit Protection

Thin film chip fuse

TF

Chip current fuses for automotive

TF16VN

Chip fuse

CCP

Chip fuse

CCF1N

Chip current fuses (anti-sulfuration)

CCF1F

Metal oxide varistor

NV73

Multilayer type metal oxide varistors (Automotive)

NV73DL

Multilayer type metal oxide varistor (Load dump surge)

NV73DS

Metal oxide varistor (Nonflammable coated) (not recommended for new design)

NVF

Metal oxide varistor disc type (Not recommended for new design)

NVD

Surge Absorber
Not Recommended for New DesignRecommended Replacement: TF16VN

SA

Test point chip

RC

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