Shunt function overview:
The shunt is widely used to expand the measuring current range of the instrument. There are fixed fixed-value shunts and precision alloy resistors. They can be used for communication system, electronic complete machine, automatic control power supply and other circuits for current limiting and current sampling. Products are manufactured using military technology and military technology.
The electrical parameters and dimensions of our company's fixed fixed-value shunts and precision alloy resistors can be ordered for special requirements.
Applicable standards:
* GB / T5729-94 "Fixed Resistors for Electronic Equipment"
* GJB / T360A-96 "Test Methods for Electronic and Electronic Components"
* GB2423 "Electrical and Electronic Products Basic Environmental Test Regulations"
Q53 Series Precision Resistor
* The resistance is made of precision alloy wire, which has high reliability, high overload capacity and easy welding and no induction function.
* Rated current 6 ~ 14A, resistance range 2 ~ 25mΩ, resistance tolerance ± 5% ~ ± 10%, temperature range -55 ~ + 85 ℃
Q50 series precision alloy resistors
* The resistance is made of precision alloy plate, and the copper terminal welding feet of spot welding ensure extremely high electrical performance of the contact. This structure provides a non-inductive resistor with high reliability and high overload capacity.
* Rated power 1-3W at 70 ℃, resistance range 5 ~ 35mΩ, resistance temperature coefficient deviation ± 1% ~ ± 5%, temperature range -55 ~ + 300 ℃
FL13 fixed fixed value shunt
FL13A / FL2 fixed fixed value shunt
Product Usage:
This type of fixed fixed value shunt is used to expand the instrument
Measuring current range, the rated current see the corresponding specification table.
The main technical parameters:
level of accuracy:
5 ~ 4000A: 0.5 level; 5000 ~ 10000A: 1 level
Environmental conditions: -40 ~ + 60 ℃, relative humidity≤95% (35 ℃)
Mechanical resistance performance:
It can withstand 70-m / s acceleration and 80-120 shocks per minute for 6 hours of transportation shock.
Overload performance: rated current 120%, 2 hours.
Voltage drop: 50mV, 75mV, 100mV.
Heat under load:
After the change in temperature rises to be stable, the rated current does not exceed 80 ° C below 50A.
The rated current above 50A does not exceed 120 ℃.
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