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LF305-S Datasheet

  • LF305-S

  • Current Transducer LF 305-S

  • 2頁(yè)

  • LEM   LEM

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Current Transducer LF 305-S
For the electronic measurement of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I
PN
=
300 A
Preliminary
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance
with 鹵 12 V
with 鹵 15 V
with 鹵 20 V
I
SN
K
N
V
C
I
C
V
d
@ 鹵 300 A
max
@ 鹵 500 A
max
@ 鹵 300 A
max
@ 鹵 500 A
max
@ 鹵 300 A
max
@ 鹵 500 A
max
300
0 .. 鹵 500
R
M min
R
M max
0
0
0
0
15
15
39
12
58
22
93
45
A
A
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capability.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (鹵 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
150
mA
1 : 2000
鹵 12 .. 20
V
16
(@ 鹵 20 V)
+
I
S
mA
3
kV
Accuracy - Dynamic performance data
X
G
蔚
L
Overall accuracy @
I
PN
,
T
A
= 25擄C
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Residual current
1)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
- 10擄C .. + 70擄C
Reaction time @ 10 % of
I
PN
Response time
2)
@ 90 % of
I
PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
鹵 0.4
< 0.1
Max
鹵 0.20
鹵 0.08
鹵 0.1 鹵 0.30
< 500
<1
> 100
DC .. 100
Typ
%
%
mA
mA
mA
ns
碌s
A/碌s
kHz
Applications
鈥?/div>
AC variable speed drives and servo
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
motor drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
Switched Mode Power Supplies
(SMPS)
Power supplies for welding
applications.
I
O
I
OM
I
OT
t
ra
t
r
di/dt
f
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70擄C
Mass
Standards
3)
- 10 .. + 70
- 25 .. + 85
28
95
EN 50178
擄C
擄C
鈩?/div>
g
Notes :
1)
2)
3)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/碌s
A list of corresponding tests is available
991125/1
LEM Components
w w w .lem.com

LF305-S相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
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  • 英文版
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  • 英文版
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  • 英文版
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    STMICROELECTRONICS
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRONICS
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    Current Transducer LF 305-S
    LEM
  • 英文版
    Current Transducer LF 305-S
    LEM [LEM]
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRONICS
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRONICS
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...
  • 英文版
    VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
    STMICROELECTRON...

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