RES-EBW Datasheet, PDF (1/2 Pages) Ohmite Mfg. Co. – Frequency converters

EBW Series
Manganin/NiCr Current Sense
The EBW Series are manufactured using electron
beam welding technology. This allows the joining of
different alloys with great accuracy and tolerance.
The EBW Series have heavy copper connectors,
excellent long term stability and low inductance.
These components can tolerate soldering tempera-
tures of 350C for 30 seconds or 250C for 10min.
These can be mounted using re-flow soldering or
welding on copper. The EBWA can handle a power
of 5W up to 100A at 0.5mΩ. The EBWB can handle
a constant power of 7W at 0.2mΩ and a continuous
load of 180A at 0.2mΩ.
c e r t i f i c at i o n s
BN ES ISO 9001: 2008
ISO/TS 16949: 2009
A p p l i c at i o n s
• Current sensors for hybrid power sources
• Frequency converters
• High current automotive applications.
Model
EBWA-M

EBWA-N


EBWB-M

EBWB-N


Power (W)
5
4
4
3
2.5
7
6
6
4
3.5
S E RI E S S P E CIFICATION S
Resistance (mΩ)
0.5
1
2
3
4
0.2
0.5
1
2
3
Material
Manganin
Manganin
NiCr Alloy
NiCr Alloy
NiCr Alloy
Manganin
Manganin
NiCr Alloy
NiCr Alloy
NiCr Alloy
TCR (20°C - 150°C)
±75ppm/°C
±60ppm/°C
±100ppm/°C
±100ppm/°C
±100ppm/°C
±100ppm/°C
±100ppm/°C
±120ppm/°C
±120ppm/°C
±120ppm/°C
Weight (g)
0.4081
0.1994
0.2726
0.1832
0.1363
1.5138
0.5652
0.8573
0.4287
0.2858
characteristics
Tolerance ±1(F), ±2(G), ±5(J)
TCR 20°C-150°C
Max. ±100ppm/°C (EBWA)
Max. ±120ppm/°C (EBWB)
Operating -55°C to 170°C
Temperature
Derating
100
80
60
40
20
00
85° (EBWA)
(EBWB) 65°
170°
30 60 90 120 150 180
Resistor Surface Temp., oC
performance data
Thermal Shock -65°C, 25°C, 125°C, 25°C 25cycles
Short Time Overload Rated Power X 5 for 5 secs.
Resistance to Soldering Heat 350°C 30 sec. or 250°C 10 min.
Moisture Resistance 90~98%RH,+25°C,+65°C,-10°C 10 cycles
High Temperature Exposure 140°C for 250 hours
Vibration High Frequency 15g 10 to 2000Hz 36 cycles
Inductance
Load Life 90 min “ON” 30 min “OFF” for 2000 hours
±0.1%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
<3nH
±1.0%
4
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