Overview
The EL357NB(TA)-G is a phototransistor photocoupler produced by Everlight Electronics Co Ltd. This component integrates an infrared emitting diode optically coupled to a phototransistor detector, housed in a compact 4-pin small outline SMD package. It is designed to provide high isolation between input and output circuits, making it suitable for various applications requiring signal transmission between different potentials and impedances.
Key Specifications
| Attribute | Value |
|---|---|
| Package | 4-Pin SOP |
| Mounting | SMD |
| Number of Pins | Quad |
| Length | 4.4mm |
| Width | 4.1mm |
| Height | 2mm |
| Max. Forward Current | 50mA |
| Min. Current Transfer Ratio (CTR) | 130% @ 5mA |
| Max. Current Transfer Ratio (CTR) | 260% @ 5mA |
| Max. Fall Time | 4µs |
| Max. Rise Time | 3µs |
| Min. Isolation Voltage | 3750Vrms |
| Max. Saturation Voltage Vce | 200mV |
| Max. Power Dissipation | 70mW |
| Min. Operating Temperature | -55°C |
| Max. Operating Temperature | 110°C |
| Packaging | Tape & Reel |
| Min. Storage Temperature | -55°C |
| Max. Storage Temperature | 125°C |
Key Features
- Halogens free (Br < 900 ppm, Cl < 900 ppm, Br+Cl < 1500 ppm)
- High isolation voltage between input and output (Viso = 3750 V rms)
- Compact 4-pin SOP with a 2.0 mm profile
- Compliance with EU REACH and RoHS compliant
- Pb free
- UL and cUL approved (No. E214129), VDE approved (No. 132249), SEMKO, NEMKO, DEMKO, and FIMKO approved
Applications
- DC-DC Converters
- Programmable controllers
- Telecommunication equipment
- Signal transmission between circuits of different potentials and impedances
Q & A
- What is the EL357NB(TA)-G used for? The EL357NB(TA)-G is used for signal transmission between circuits of different potentials and impedances, and it is suitable for applications such as DC-DC converters, programmable controllers, and telecommunication equipment.
- What is the package type of the EL357NB(TA)-G? The EL357NB(TA)-G is packaged in a 4-pin small outline SMD package.
- What is the maximum forward current of the EL357NB(TA)-G? The maximum forward current is 50mA.
- What is the minimum current transfer ratio (CTR) of the EL357NB(TA)-G? The minimum CTR is 130% at 5mA.
- What is the maximum isolation voltage of the EL357NB(TA)-G? The maximum isolation voltage is 3750Vrms.
- Is the EL357NB(TA)-G RoHS compliant? Yes, the EL357NB(TA)-G is RoHS compliant and Pb free.
- What are the operating temperature ranges for the EL357NB(TA)-G? The operating temperature ranges from -55°C to 110°C.
- What is the maximum power dissipation of the EL357NB(TA)-G? The maximum power dissipation is 70mW.
- What is the typical rise and fall time of the EL357NB(TA)-G? The typical rise time is 3µs and the typical fall time is 4µs.
- Is the EL357NB(TA)-G approved by any regulatory bodies? Yes, it is approved by UL, cUL, VDE, SEMKO, NEMKO, DEMKO, and FIMKO.
