 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| Current Transducer LA 25-NP/SP14 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). IPN = 0.25 A Electrical data IPN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance with 15 V ISN KN VC IC Vd Vb @ 0.25 A max @ 0.36 A max 0.25 0 .. 0.36 R M min R M max 100 100 320 190 A A mA V mA kV V V Features *Closed loop (compensated) multiturns current transducer using the Hall effect *Insulated plastic case recognized according to UL 94-V0. Secondary nominal r.m.s. current Conversion ratio Supply voltage ( 5 %) Current consumption R.m.s. voltage for AC isolation test, 50 Hz, 1 mn R.m.s. rated voltage 1), safe separation basic isolation 25 100 : 1000 15 10 + IS 2.5 600 1700 Special features *IPN *IP *K N *TA = = = = 0.25 A 0 .. 0.36 A 100 : 1000 - 10C .. + 70C. Accuracy - Dynamic performance data X Advantages 0.5 < 0.2 % % mA mA mA s kHz L Typical accuracy @ IPN , TA = 25C Linearity IO IOM IOT tr f Typ Max Offset current 2) @ IP = 0, TA = 25C 0.05 0.15 Residual current 3) @ IP = 0, after an overload of 3 x IPN 0.05 0.15 Thermal drift of IO - 10C .. + 70C 0.10 0.35 Response time 4) @ 90 % of IP max Frequency bandwidth (- 1 dB) <1 DC .. 150 *Excellent accuracy *Very good linearity *Low temperature drift *Optimized response time *Wide frequency bandwidth *No insertion losses *High immunity to external interference *Current overload capability. General data TA TS RP RS LP R IS m Ambient operating temperature Ambient storage temperature Primary coil resistance @ TA = 25C Secondary coil resistance @ TA = 70C Primary insertion inductance Isolation resistance @ 500 V, TA = 25C Mass Standards 5) - 10 .. + 70 - 25 .. + 85 < 745 110 496 > 1500 22 EN 50178 C C m H M g Applications *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 Notes : 1) 2) 3) 4) 5) Pollution class 2 Measurement carried out after 15 mn functionning The result of the coercive field of the magnetic circuit With a di/dt of 100 A/s A list of corresponding tests is available applications. 990126/2 LEM Components w w w .lem.com Dimensions LA 25-NP/SP14 Bottom view (in mm. 1 mm = 0.0394 inch) Right view Top view swiss made Standard 00 or N SP.. Year Week Secondary terminals Terminal + : supply voltage + 15 V Terminal M : measure Terminal - : supply voltage - 15 V Connection in out Back view Mechanical characteristics *General tolerance *Fastening & connection of primary 0.2 mm 2 pins 0.635 x 0.635 mm *Fastening & connection of secondary 3 pins 1 mm *Recommended PCB hole 1.2 mm Remark *IS is positive when IP flows from terminal + to terminal -. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
Price & Availability of LA25-NPSP14
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |