EL357NA
Phototransistor PhotocouplerThe EL357NA is a phototransistor photocoupler from Everlight. View the full EL357NA datasheet below including absolute maximum ratings.
Manufacturer
Everlight
Category
Phototransistor Photocoupler
Overview
Part: EL357N-G Series — Everlight
Type: Phototransistor Photocoupler
Description: A 4-pin small outline SMD phototransistor photocoupler featuring an infrared emitting diode optically coupled to a phototransistor, offering a current transfer ratio of 50-600% at IF=5mA, VCE=5V, and a high isolation voltage of 3750 V rms.
Operating Conditions:
- Operating temperature: -55 to +110 °C
- Current Transfer Ratio (CTR): 50–600% (at IF = 5mA, VCE = 5V)
- Isolation voltage: 3750 V rms
Absolute Maximum Ratings:
- Max forward current: 50 mA
- Max collector current: 50 mA
- Max collector-emitter voltage: 80 V
- Max reverse voltage: 6 V
- Max total power dissipation: 200 mW
- Max storage temperature: +125 °C
Key Specs:
- Forward voltage (VF): 1.4 V (max, at IF = 20mA)
- Reverse current (IR): 10 μA (max, at VR = 4V)
- Collector-Emitter dark current (ICEO): 100 nA (max, at VCE = 20V, IF = 0mA)
- Collector-Emitter breakdown voltage (BVCEO): 80 V (min, at IC = 0.1mA)
- Collector-Emitter saturation voltage (VCE(sat)): 0.2 V (max, at IF = 20mA, IC = 1mA)
- Isolation resistance (RIO): 5×10^10 Ω (min, at VIO = 500Vdc, 40-60% R.H.)
- Rise time (tr): 18 μs (max, at VCE = 2V, IC = 2mA, RL = 100Ω)
- Fall time (tf): 18 μs (max, at VCE = 2V, IC = 2mA, RL = 100Ω)
Features:
- Halogens free (Br <900 ppm, Cl <900 ppm, Br+Cl < 1500 ppm)
- Current transfer ratio (CTR: 50~600% at IF =5mA, VCE =5V)
- 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
- Pb free and RoHS compliant
- UL and cUL approved (No. E214129)
- VDE approved (No. 132249)
Applications:
- DC-DC Converters
- Programmable controllers
- Telecommunication equipments
- Signal transmission between circuits of different potentials and impedances
Package:
- 4 Pin SOP
Features
- Halogens free (Br <900 ppm ,Cl <900 ppm , Br+Cl < 1500 ppm)
- Current transfer ratio
(CTR: 50~600% at IF =5mA, VCE =5V)
- 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
- Pb free and RoHS compliant
- UL and cUL approved (No. E214129)
- VDE approved (No. 132249)
- SEMKO approved
- NEMKO approved
- DEMKO approved
- FIMKO approved
Applications
- DC-DC Converters
- Programmable controllers
- Telecommunication equipments
- Signal transmission between circuits of different potentials and impedances
Absolute Maximum Ratings
| Parameter | Symbol | Rating | Unit | |
|---|---|---|---|---|
| Forward current | I F | 50 | mA | |
| Peak forward current (1us, pulse) | I FP | 1 | A | |
| Reverse voltage | V R | 6 | V | |
| Power dissipation Derating factor (about Ta=100°C) | P D | 70 | mW | |
| P D | 2.9 | mW/C | ||
| Power dissipation Derating factor (above T a = 70 ° | P C | 150 | mW | |
| C) | P C | 3.7 | mW/°C | |
| Output | Collector current | I C | 50 | mA |
| Output | Collector-Emitter voltage | V CEO | 80 | V |
| Emitter-Collector voltage | V ECO | 7 | V | |
| Total Power Dissipation | Total Power Dissipation | P TOT | 200 | mW |
| Isolation Voltage* 1 | Isolation Voltage* 1 | V ISO | 3750 | V rms |
| Operating temperature | Operating temperature | T OPR | -55 ~ +110 | °C |
| Storage temperature | Storage temperature | T STG | -55 ~ +125 | °C |
| Soldering Temperature*2 | Soldering Temperature*2 | T SOL | 260 | °C |
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The following components are covered by the same datasheet.
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