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KOA オンラインショップ

Product Category

High Precision Chip Resistor

Lineup of various chip resistors for highly reliable applications such as automotives and industrial equipment
Thin-film type metal film resistors RN73H and RN73R support a standard high-precision resistance tolerance: ± 0.05% and temperature coefficient of resistance: ± 5 × 10−6 / K. As the reliability test ⊿R shows extremely high accuracy of ± 0.1% (RN73R is ± 0.1% to ± 0.25%), the products achieve minimal current noise, and improved moisture resistance by applying a special protective film. AEC-Q200 tested.
The thick film type highly reliable chip resistor RS73 series has high accuracy (resistance value tolerance ± 0.1% ~, temperature coefficient of resistance ± 25 × 10−6 / K ~) and excellent long-term stability (⊿R of reliability test is ± 0.2% ~ ± 0.5%). The ultra-precision class chip resistor RK73G series is a high-precision product with resistance value tolerance of ± 0.25% and resistance temperature coefficient of ± 50 x 10−6 / K.

KOA's high-precision resistor lineup

Product series Size Resistance value (Ω) Rated power (W) Tolerance(%) T.C.R.(×10-6/K) Buy now
RN73H Metal Film Flat Chip Resistors
(For Automotive, High reliability)
1005~3226 10~1.5M 0.063~0.25 ±0.05~±1 ±5~±100
RN73R Metal Film Flat Chip Resistors
(High reliability)
1005~3226 10~1.5M 0.063~0.25 ±0.05~±1 ±5~±100
RS73F/G High Reliability Chip Resistors 1005~3216 10~10M 0.125~0.33 ±0.1~±1 ±25、±50
RK73G Flat Chip Resistors
(Ultra Precision Grade)
0603~3216 10~1M 0.05~0.25 ±0.25~±1 ±50

Thick Film Chip Resistor (high performance)

KOA's thick-film chip resistors have high performance and environmental resistance, used in a wide range of electronic devices.
SG73S/P series has excellent surge resistance, pulse resistance, and guarantees higher rated power than normal products. Our various lineup includes HV73 series that has a higher maximum working voltage and is suitable for high voltage use, as well as wide terminal type WK73 series with a power guarantee (0.33W to 3W).

Product series Size Resistance value (Ω) Rated power (W) Tolerance(%) T.C.R.(×10-6/K) Buy now
HV73 Flat Chip Resistors For High Voltage 1608~6432 10k~100M 0.1~1 ±0.5~±5 ±100~±300
HV73V Flat Chip Resistors For High Voltage
(For Automotive)
1608~3216 10k~100M 0.1~0.25 ±0.5~±5 ±100、±200
SG73S Endured Surge Voltage Flat Chip Resistors 1005~3225 1~10M 0.2~1 ±0.5~±5 ±100~±200
SG73P Endured Pulse Power Flat Chip Resistors 1005~3225 1~10M 0.2~1 ±0.5~±5 ±100~±200
WG73 Wide Terminal Type Pulse Power Flat Chip Resistors 1632~3264 560m~1k 1~2 ±10、±20 ±100
WK73R Wide Terminal Type Flat Chip Resistors 0510~3264 10~1M 0.33~3.0 ±0.5~±5 ±100、±200

Low Resistance/Current Sense Shunt Resistor

We have a large selection of shunt resistors ideal for motor control, various power supplies such as inverters, power supply management for batteries, and overcurrent applications.
TLR series applies the unique non-trimming structure to achieve low inductance and enables accurate current detection. Size lineup includes 6332 size offering 3W, 2012 size with high power 1W type and high accuracy with T.C.R.50x10−6/K type is also available.
We have a wide variety of products such as low resistance (10mΩ ~), low T.C.R (75 × 10−6/K ~) and UR73 series suitable for high precision current detection.

Selection guide

Product series Size Resistance value (Ω) Rated power (W) Tolerance(%) T.C.R.(×10-6/K) Buy now
SL Current Detecting Chip Resistors 5025~11.5×7 3m~360m 1、2 ±0.5~±5 ±50~±180
SL
(high power)
Current Detecting Chip Resistors 5025~11.5×7 3m~200m 1~7 ±0.5~±5 ±50~±180,
0~+200
TLR Metal Plate Chip Type Low Resistance Resistors 2012~6332 0.5m~20m 0.5~2 ±1 ±50~±150
TLR
(high power)
Metal Plate Chip Type Low Resistance Resistors (High Power) 3216~6332 0.5m~20m 1~5 ±1 ±50~±75
WK73S Wide Terminal Type Flat Chip Resistors 1220~3264 10m~9.76 0.75~2 ±0.5~±5 0~+200
±100~±800
WU73 Wide Terminal Type Low Resistance Flat Chip Resistors (Low T.C.R.) 1632 10m~100m 1, 1.5 ±1 ±75~±100
SR73 Low Resistance Flat Chip Resistors 0603~6432 24m~10 0.1~2 ±0.5~±5 0~+500
±100~±1000
UR73 Low Resistance Flat Chip Resistors
(Low T.C.R.)
1005~6432 10m~100m 0.125~1 ±1 ±100~±500
UR73V Low Resistance Flat Chip Resistors
(For Automotive, Low T.C.R.)
2012~3216 10m~100m 0.5~1 ±1 0~+250,
±75~±100

Leaded type resistor

We have a variety of lead wire type resistors, less supported by manufacturers in Japan.
・ Small carbon film resistor CF with excellent pulse resistance than chip resistors of the same power
・ Small metal film resistor MF with high accuracy, low T.C.R., and excellent long-term stability
・ Resistor-shaped jumper wire J-Z with larger allowable current than film type jumper
・ Taped jumper wire JL
・ Small andpower type metal oxide film resistor / metal film resistor MOS / MOSX
・ SIP-shaped network metal glaze film resistor with excellent environmental resistance RKC

Product series Resistance value (Ω) Rated power (W) Tolerance(%) T.C.R.(×10-6/K) Buy now
CF Carbon film resistor 2.2Ω~1MΩ 1/4W ±5 +350~-450,
0~-1300
1Ω~5.1MΩ 1/2W
MF Metal film resistor 10Ω~1MΩ 1/4W ±1 ±50x10-6
10Ω~2.2MΩ 1/2W
JL6 Jumper - 10A - -
J1/4Z
MOS Metal oxide film resistor 10Ω~100kΩ 1W,2W,3W ±5 ±300x10-6
MOSX Metal film resistor 0.1Ω~9.1Ω
RKC8B SIP network resistor
(Bussed circuit)
22~2.2MΩ 1/8W ±5 ±200x10-6

Circuit Protection Element

We provide ceramic case CCF for high voltage and surge resistance requirements including primary circuits, TF series by 1608/1005 size for downsizing and thinner devices, and TF16VN for high reliability requirements of automotives. We propose appropriate products for the circuit usage conditions by our selecting program.

Precautions for fuse selection

Product series Size Rated voltage (V) Rated current (A) Buy now
CCF1N Chip Current Fuses 6025 AC125
DC60
(DC160)
0.4~0.8
AC100
AC125
DC60
(DC160)
1~10
AC65
DC65
12~15
DC65 30
CCF1F Chip Current Fuses
(Anti Sulfuration)
6025 AC125
DC125
0.4~10
AC65
DC65
12~15
TF10BN Chip Current Fuses 1005 32 0.20~5.0
TF16SN Chip Current Fuses 1608 32 0.20~3.15
TF16AT Chip Current Fuses 1608 32 0.25~5.00

Check Terminal

Surface mount type check terminal that can be mounted with a normal chip mounter. Can be used to extract signals from the printed circuit board, such as checking the operation, adjusting, or repairing.of the printed circuit board.
The size lineup are 1608, 2012 and 3216. The size 3216 offers two options of height; 1.25mm and 2mm, You can select a suitable product according to your application.

Product series Resistance value Rated current External dimensions(mm) Buy now
RCU Checker chips 50mΩMax. 2A 1.6x0.8x1.15
RCT 2.0x1.25x1.45
RCS 3.2x1.6x1.25
RCW 3.2x1.6x2.0