LTSR 25-NP LEM USA Inc, LTSR 25-NP Datasheet

LTSR 25-NP

Manufacturer Part Number

LTSR 25-NP

Description

SENSOR CURRENT 25A 5V TH

Manufacturer

LEM USA Inc

Series

LTSRr

Datasheet

1.LTSR_25-NP.pdf (3 pages)

Specifications of LTSR 25-NP

Current - Sensing

25A

Accuracy

±0.2%

Sensitivity

25mV/A

Current - Supply

Sensor Type

Closed Loop Hall Effect

Voltage - Supply

Output

2.5V

Frequency

200kHz

Polarization

Bidirectional

Operating Temperature

-40°C ~ 85°C

Package / Case

Ring Opening 0.126" Dia, 6 Leads

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

398-1023-5

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Current Transducer LTSR 25-NP

For the electronic measurement of currents : DC, AC, pulsed, mixed,

with a galvanic isolation between the primary circuit (high power)

and the secondary circuit (electronic circuit).

TCR

TCV

di/dt

Notes : see overleaf.

LEM

REF

OUT

Electrical data

Accuracy - Dynamic performance data

General data

REF

OUT

Primary nominal r.m.s. current

Primary current, measuring range

Analog output voltage @ I

Voltage reference (internal reference), refout mode

Voltage reference (external reference), refin mode

Number of secondary turns (± 0.1 %)

Load resistance

Max. capacitive loading

Internal measuring resistance (± 0.5 %)

Thermal drift of R

Supply voltage (± 5 %)

Current consumption @ V

Accuracy @ I

Accuracy with R

Linearity error

Thermal drift of V

Thermal drift of the gain

Residual voltage @ I

Thermal drift of internal V

Reaction time @ 10 % of I

Response time @ 90 % of I

di/dt accurately followed

Frequency bandwidth (0 .. - 0.5 dB)

Ambient operating temperature

Ambient storage temperature

Mass

Standards

, T

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.

OUT

@ I

= 25°C

/ V

= 0, after an overload of 3 x I

(- 0.5 .. 1 dB)

REF

, T

REF

@ I

= 0

= 5 V

= 25°C

@ I

= 0

= 0 - 10°C .. + 85°C

- 40°C .. + 85°C

- 40°C .. - 10°C

10 x I

5 x I

Typ

± 2.0

100

0 .. ± 80

2.5

1.9 .. 2.7

2000

500

< 50

28 + I

± 0.2

± 0.7

< 0.1

± 0.5

< 100

< 400

> 60

DC .. 100

DC .. 200

- 40 .. + 85

- 40 .. + 100

EN 50178 : 1997

I EC 60950-1 : 2001

(0.625

37.5

Max

+ (V

OUT

ppm/K

) mA

A/µs

kHz

n s

°C

) V

Features

Advantages

Applications

Application Domain

Closed loop (compensated) multi-

range current transducer using the

Hall effect

Unipolar voltage supply

Insulated plastic case recognized

according to UL 94-V0

Compact design for PCB mounting

Incorporated measuring resistance

Extended measuring range

Access to the internal voltage

reference

Possibility to feed the transducer

reference from external supply.

Excellent accuracy

Very good linearity

Very low temperature drift

Optimized response time

Wide frequency bandwidth

No insertion losses

High immunity to external

interference

Current overload capability.

AC variable speed drives and servo

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.

Industrial.

= 25 At

w w w .lem.com

051123/6

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Related parts for LTSR 25-NP

LTSR 25-NP Summary of contents

Page 1

... Current Transducer LTSR 25-NP For the electronic measurement of currents : DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I Primary nominal r.m.s. current PN I Primary current, measuring range P V Analog output voltage @ I ...

Page 2

... Current Transducer LTSR 25-NP Isolation characteristics V R.m.s. voltage for AC isolation test, 50/60 Hz Impulse withstand voltage 1.2/50 µ R.m.s. voltage for partial discharge extinction @ 10pC > 1 dCp Creepage distance 8) dCl Clearance distance CTI Comparative Tracking Index (Group III a) Application examples According to EN 50178 and IEC 61010-1 standards and following conditions : ...

Page 3

... For the EMC, the acceptance criteria are available on request. Temperature of the primary jumper should not exceed 100 [°C]. Note : 9) Output voltage when LTSR 25-NP is used with internal reference. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. LEM (in mm ...

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