Low-TCR HoFL3 Shunt Sensor: Precision Current Sensing Solutions

HoFL3

Rate Current: 100A~1000A
Resistance: 10μΩ, 20μΩ, 25μΩ, 50μΩ, 100μΩ
Tolerance: ±0.1%, ±0.2%, ±0.5%, ±1%, ±5%
Operating Temperature:-55℃~+170℃
TCR(ppm/℃):±10,±20±25±50,±100,±150

Quantity:

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Stable Shunt Resistor/ High Current Shunt Resistor and heat dissipation design suggestions to solve the temperature rise problem

High stability brought by precision alloy:

The shunt is used for current detection, and the detection current can reach hundreds of amperes to thousands of amperes.

Due to its special alloy material, the shunt has good long-term stability and can withstand pulse current shocks several times higher than the rated current without damage.

Stable Shunt Resistor/ High Current Shunt Resistor

Product Features：

Electron beam welding process, screw hole design, more accurate sampling point
High reliability, high overload capacity, high product precision.
Wide operating temperature range, non-inductive design.
Compliant with ROHS requirements
Complies with Rohs requirements and has passed AEC-Q200 certification.
Stable Shunt Resistor/ High Current Shunt Resistor

Stable Shunt Resistor/ High Current Shunt Resistor support customize

Support customize, welcome to contact us for more solutions.

Series	Rate Current (A)	Rate Voltage (mV)	Resistance (min)	Resistance (max)	Tolerance	TCR (ppm/℃)	Milliohm Part	Color
HoFL3	100A~600A	75mV	10 μΩ	1000 μΩ	±0.2%~±5%	≤25ppm	HoFL3	Golden (no electroplate)

Product Series Selection Example：HoFL3-9420-X-100μΩ-0.5%

H o F L 3 9 4 2 0 X 1 0 0 μ Ω 0 . 5 %

↓ ↓ ↓ ↓ ↓ ↓

Manufacturer

Series

Package size

Measurement Type

Resistance Value

Tolerance

Milliohm Electronic

FL3=Horizontal Shunt

LCFL3=Smart Shunt

9420

8420

8518

6918

8436

X=Basic Model

A=Test Holes

C=Riveted PINs

B= WeldedPINs

4P=4Pins PCB

Board

6P=6Pins PCB

Board

.....

100μΩ

50μΩ

25μΩ

.....

±5%

±2%

±1%

±0.5%

±0.2%

To learn more of the shunt drawing and specifications, please download and refer to the datasheet

or contact manufacturer.

Model

Type

Model

Product Dimensions (Unit: mm)

Remark

type X

HoFL3-9420-X-100μΩ

94±0 .5

76±0 .5

20±0 .5

3±0 .2

2-Φ8 .5±0 .5

HoFL3-8420-X-100μΩ

84±0 .5

60±0 .5

20±0 .5

3±0 .2

2-Φ8 .5±0 .5

HoFL3-8518-X-100μΩ

85±0 .5

60±0 .5

18±0 .5

3±0 .2

2-Φ7±0 .5

HoFL3-6918-X-100μΩ

69±0 .5

52±0 .5

18±0 .5

3±0 .2

2-Φ7±0 .5

HoFL3-8436-X-100μΩ

84±0 .5

60±0 .5

36±0 .5

3±0 .2

2-Φ8±0 .5

HoFL3-8420-X-50μΩ

84±0 .5

60±0 .5

20±0 .5

3±0 .2

2-Φ8 .5±0 .5

HoFL3-9420-X-50μΩ

94±0 .5

76±0 .5

20±0 .5

3±0 .2

2-Φ8 .5±0 .5

HoFL3-8518-X-50μΩ

85±0 .5

60±0 .5

18±0 .5

2.5±0 .2

2-Φ7±0 .5

HoFL3-6918-X-50μΩ

69±0 .5

52±0 .5

18±0 .5

3±0 .2

2-Φ7±0 .5

HoFL3-8436-X-50μΩ

84±0 .5

60±0 .5

36±0 .5

3±0 .2

2-Φ8±0 .5

HoFL3-8436-X-25μΩ

84±0 .5

60±0 .5

36±0 .5

3±0 .2

2-Φ8±0 .5

Performance Test
Item	Test Conditions	Resistance Change Range
Thermal Shock	-55℃ to +150 ℃ , 1000 cycles, 15 minutes at each extreme	±0 .5%R
Short-Time Overload	5 times rated power, sustained for 5 seconds	±0 .5%R
Low-Temperature Storage	-55℃ for 24 hours	±0 .5%R
High-Temperature Exposure	1000 hours at +170°C	±1 .0%R
Biased Humidity	+85°C ，85％RH ， 10％ of rated power, 1000 hours	±0 .5%R
Mechanical Shock	Half-sine wave, peak acceleration 100g, pulse duration 6ms, 3 shocks in each of the six directions across three axes (total 18 shocks)	±0 .5%R
Vibration	Frequency varies from 10Hz to 2000Hz in 1 minute, across 3 directions, for 12 hours	±1 .0%
Load Life	Within rated power, 1000 hours at +70°C, 1.5 hours "ON", 0.5 hours "OFF"	±0 .5%

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