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製品情報
Resistors(SMD) 貼片型電阻器
Shunt/Current Sense Resistors 電流偵測電阻器
Leaded Resistors 固定式電阻器
Resistors(Network) 排阻器
Thermistors/Thermal Sensors 熱敏電阻器/溫度傳感器
Fuses 保險絲
Varistors 壓敏電阻器
Inductors 電感器
Others 其他
製品情報

 

Resistors(SMD)

 

Shunt/Current Sensor Resistors

 

Resistors(Leaded)

 
 

Resistors(Network)

 

Thermistors/Thermal Sensors

 

Fuses

 
 

Varistors

 

Inductors

 

Others

 

New Products 新產品 

Motor control up to 245A and large current sensing of DC-DC converters and battery management.

PSJ2/PSL2/PSG4/PSF4 

KOA Power Shunt PSJ/PSG
 
Series Size(mm) Resistance(Ω) Power Rating(W) T.C.R.
(x10-6/K)
PSL2* 6.3 x 3.15 0.3m 8 +/- 175
0.5m +/- 115
PSJ2 10 x 5.2 0.2m 12 +/- 200
0.5m 10 +/- 100
1m 8 +/- 75
2m* 6 +/- 75
PSF4
(4-terminal)
3.0 x 3.8 0.5m 5 +/- 50
1m 3
PSG4
(4-terminal)
6.9 x 6.6 0.5m 10 +/- 50
1m 8
*Under Development.

Power rating 12W max. achieved. Both 2- and 4- terminal constructions in our new product lineup. PSG4 and PSF4, 4-terminal construction type, enables high precision performance by T.C.R.+/- 50x10-6/K.

Motor control up to 600A and extremely large current sensing of DC-DC converters and battery management.

HS Series

KOA Current Shunt HS
 
Series Size(mm) Resistance(Ω) Power Rating(W) T.C.R.
(x10-6/K)
HS 40 x 15 0.1m 36 50+/- 25
0.2m 18

High current sensing possible even at low resistance 0.1mΩ, by voltage detecting terminals. Custom configuration available by various way of attachment.

High power type 7W Current Sense Resistors SLN series now available

SLN5  KOA's Low Ohm Resistor
 
 
 
 

 Power rating of SLN5 series has been improved.
SLN5 5W(rated terminal temp. 120°C) → 7W(rated terminal temp. 70°C)
Application examples: Home appliances(air conditioners), automotives and industrial devices(motor control, inverters, DC-DC converters, batteries)
Please ask KOA sales for details.

Type Power 
Rating
(W)
Rated
Terminal
Part
Temp.
Resistance
(Ω)
T.C.R.
(×10-6/K)
Resistance 
Tolerance
(%)
Operating
Temp.
Range
SLN5 7W 
(5W)
70°C
(120°C) 
5m to 200m ±75/±110 D:±0.5
F:±1
-65°C to 180°C

KOA's Shunt Product Lineup
Please check our products applied for automotive applications.
• Car Engine
• Car Body

Anti-Sulfur Chip Resistor Lineup Widens Low Resistance Range SR73-RT

SR73-RT

Our new SR73-RT series has widen the low resistance range of Anti-Sulfur Flat Chip Resistor lineup.
Excellent anti-sulfuration characteristic due to using high sulfuration proof inner top electrode material.
High reliability and performance by resistance tolerance from ±1% and T.C.R. from ±100x10-6/K. Suitable for current sensing of power supplies and motors.
Applications: Devices used under sulfur environment
*For the details of sulfur environment or disconnection mechanism of sulfur, checkHow to use resistors(by characteristics)Anti-Sulfur Type Chip Resistors
SR732E-RT(1210) is now under development

Product
Type
Power
Rating
Rated
Ambient
Temp.
Rated
Terminal
Part
Temp.
T.C.R. 
(×10-6/K)
Resistance(Ω)
F:±1%
E24・E96
G:±2%
J:±5%
E24
SR73 1J-RT 0.2W 70°C 125°C ±200 0.47 to 10 0.47 to 10
SR73 2A-RT 0.33W  70°C  125°C ±100 0.47 to 10 -
±200 - 0.47 to 10
0.5W -  105°C ±100 0.47 to 10 -
±200 - 0.47 to 10
SR73 2B-RT 0.33W  70°C  125°C ±100 0.47 to 10 -
±200 - 0.47 to 10
0.5W  -  110°C ±100 0.47 to 10 -
±200 - 0.47 to 10

Power Ratings of Anti-Surge Resistor(Anti Sulfur Type) SG73-RT Improved

SG73-RT

The power rating of our Anti-Sulfur Type Anti-Surge Chip Resistor SG73-RT has been improved.
1206: 0.25W⇒0.33W
1210: 0.33W⇒0.5W
Applications: Devices used under sulfur environment
*For the details of sulfur environment or disconnection mechanism of sulfur, checkHow to use resistors(by characteristics)Anti-Sulfur Type Chip Resistors

Product Type Size
(inch)
Power
Rating
Rated
Ambient
Temp.
Rated
Terminal
Part
Temp.
T.C.R.
(×10-6/K) 
Resistance(Ω) Max. 
Working
Voltage
Max.
Overload
Voltage
K:±10%
M:±20%
E12
SG73 1J-RT 0603 0.1W 70°C 125°C ±400 1 to 8.2 50V 100V
±200 10 to 1M
SG73 2A-RT 0805 0.125W ±400 1 to 8.2 150V 200V
±200 10 to 1M
SG73 2B-RT 1206 0.33W  ±400 1 to 8.2 200V 400V
±200 10 to 1M
SG73 2E-RT 1210 0.5W  ±400 1 to 8.2
±200 10 to 1M
SG73 W2H-RT 2010 0.75W ±400 1 to 8.2
±200 10 to 1M
SG73 W3A-RT 2512 1.0W ±400 1 to 8.2
±200 10 to 1M

Metal Chip Current Sense Resistor TLR series adds 1.5W type by 1206

TLR2BP | KOA's Current Sense Shunt

High power type up to 1.5W now expanded from TLR2B:0.5W,TLR2BW:1W.
High power by smaller size.
Application examples: Power supplies of Automotives, industrial and mobile devices.
Please ask KOA sales for details.
*TLR high power type catalog

Type Power 
Rating
(W)
T.C.R.
(×10-6/K)
Resistance
(Ω)
Resistance 
Tolerance
(%)
Rated
Ambient
Temp.
Rated
Terminal
Part
Temp.
Operating
Temp.
Range
TLR2BP  1.5 ±50 2m to 20m F:±1 - 110°C -55°C to 170°C
±75 1m to 20m
TLR2BW 1 ±50 2m to 20m - 120°C -55°C to 170°C
±75 1m to 20m
TLR2B/2BN 0.5W ±75/±150 1m to 20m 70°C 105°C -55°C to 155°C

Please check our products applied for automotive applications.
• Car Engine
• Car Body

 
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