50～600A (LA37S family)
Suitable for middle power of general purpose inverter
Product Features
- ASIC model / High-speed response
- Compact Design
- Wide measuring range ; 150 ～ 1200A
- Panel mounting, Connector on secondary ( 2 types )
LA37SxxxS05M、LA37SxxxS05KM : MOLEX/22-04-1041, Sn-plated terminal connecter
(Gold-plated terminal connecter of product can be build to order)
LA37SxxxS05J、LA37SxxxS05KJ : JST/B4B-XH-A-G Gold-plated terminal connecter - Aperture’s size：□20.3×10.3mm
Main Applications
Linear Open Loop current sensors with 4 series and 2 derivations for a total of 28 models.
- Primary nominal current ; 50～600 A
- Power supply specifications ; +5V
- With reference access(Vref_in/out)
- Two types of rated output voltage; Vof ± 800mV or Vof ±625mV
- Two types of connectors according to the application
- Non ratiometric output (Vout, Voff, Vref)
| Series | Symbol | LA37SxxxS05 | LA37SxxxS05K | (Conventional model) L37SxxxS05x |
|---|---|---|---|---|
| Power supply voltage | Vcc | +5V | +5V | +5V |
| Primary nominal current | I PN | 50～600A | 50～600A | 50～600A |
| Primary current, measuring range (Saturation current) | I PM | 150～1200A | 150～1200A | 150～900A |
| Internal reference voltage | Vref | +2.5V | +2.5V | +2.5V |
| Offset voltage | Vof | +2.5V or Vref_in | +2.5V or Vref_in | +2.5V or Vref_in |
| Rated output voltage (at I PN) | Vo | Vof±800mV | Vof±625mV | Vof±625mV |
| Ambient operating temperature | T A | -40～+105℃ | -40～+105℃ | -40～+85℃ |
| Temperature drift of reference voltage | TcVref | ±10mV (T A=full range) | ±10mV (T A=full range) | ±190ppm/K |
| Temperature drift of offset voltage | TcVof | ±10mV (T A=full range) | ±10mV (T A=full range) | ±1mV/K |
| Temperature coefficient of sensitivity | TCG | ±3% (T A=full range) | ±3% (T A=full range) | ±0.24%/K |
| Spec sheet | - | |||
LA37S family
General characteristics
- Open loop, Voltage-output type, ASIC model
- Powe supply voltage :+5V,
Rated output voltage(LA37SxxxS05x):Vof ±800mV / (LA37SxxxS05Kx):Vof ±625mV
Offert voltage(Vof):2.5V or Vref-IN
Non ratiometric output (Vout, Voff, Vref) - Insulation voltage:AC3.3kV, 50Hz, 1min
- Ambient Operating temperature : -40 ～ +105℃
- Creepage distance :5.5mm.min
Standard compliance
- UL 508 (UR marking)
- Using UL94-V0 recognized materials
- European Directive : CE marking(EN62477-1)
Spec sheet
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