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LR1206

LR1206

项目介绍:

Ideal for all types of current sensing, voltage division and Pulse applications including:switching and linear power Supplies, Instruments, power amplifiers.
- Proprietary processing technique produces extremely low Resistance values.
- High-temperature performance (up to +170C)
- Metal Strip resistive material stable and ultra low TCR. Low and Stable TCR≤±50ppm/C
- Pure tin plating provides compatibility with lead (Pb) free and lead containing soldering processes.
- Compatible with “Restriction of the use of Hazardous Substances” (RoHS) directive 2002/95/EC (issue 2004).
- PFOS, PFOA, PAHs, Halogen free and REACH compliant.
- Excellent stability (|∆R/R|≤±1.0% for 1,000 h at 70C) different environment conditions.
- High volume product suitable for commercial and special applications.
- Suitable for high precision current sensing circuit protection application.
- Miniature size suitable for compact Print Circuit Boards of high-precision electronic products.

 

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产品信息

 

GENERAL SPECIFICATIONS

Model

Power Rating   
at 70C

Max.
Rating
Current

Max.
Overload
Current

Operating Temp.
Range

TCR
[PPM/C]

Resistance Range[mΩ]**

±0.5%(D)

±1.0%(F)
±2.0%(G)
±5.0%(J)

LR1206

0.5W

22.36A

44.72A

-55 ~

    +170C

1~4=±50
4.1~15=±25
15.1~50=±15

7.0~50.0

1.0~50.0

1.0W

31.62A

63.25A

Remarks:   
a. The Max. Power Rating is operated at 70
C.
b. **Special tolerance and range of resistance are under requested.
c. Rating Current : I=P/R

CHARACTERISTICS

Short Time Overload

(R/R1) ±0.5%

4times rated power, 5sec.

Insulation Resistance

≥109

DC100±15V for 1minute

Dielectric Withstanding Voltage

Without break down

AC500V for 1minute, Max.50mA

Resistance to
Solder Heat

(R/R1) ±0.5%

Solder temp./immersion time : 260±5C, 10±1sec. 
and 350±10C, 3.5±0.5 sec.

Solderability test

95% coverage

Specimen prep. : 4hours ±15 min. Steam
Aging : Solder Bath/Dip and Look Test, 245±5C, 3±1sec.

Vibration

(R/R1) ±0.5%

Frequency varied 55Hz in one minute,3 orientations,
Total duration 12hours

Resistance to solvent

(R/R1) ±0.5%

Immersion time : 60±5sec, 20C~25C

Mechanical Shock

(R/R1) ±0.5%

100 grams for 6 milliseconds, 5 pulses

Low Temperature Exposure(Storage)

(R/R1) ±0.5%

1,000hours, -55C

High Temperature
Exposure(Storage)

(R/R1) ±1.0%

1,000hours, +170C

Temperature Cycling
(Rapid Temp. Change)

(R/R1) ±0.5%

Air to air, -55C to +150C, 1,000cycles,
15minutes at each extreme, transition time 2 to 3 minutes

Moisture Resistance
(Climatic Sequence)

(R/R1) ±0.5%

Mil-STD-202, Method 106
0% power, 7a and 7b not required, t=24 h/cycle, 10cycles, Unpowered

Bias Humidity

(R/R1) ±0.5%

+85%C,85% RH, 10% Bias, Extended Life
1000 hours, 1.5 hours On, 0.5 hours Off

Load Life

(R/R1) ±1.0%

Rated continuous working voltage : 70C
1000hours, 1.5hours ON, 0.5hours Off

 

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