High isolation photocoupler LITEON LTV-357T-A featuring current transfer ratio suitable for programmable controllers
Key Attributes
Model Number:
LTV-357T-A
Product Custom Attributes
Rise Time:
4us@2mA,100Ω
Output Current:
50mA
Fall Time:
3us
Vce Saturation(VCE(sat)):
200mV@1mA,20mA
Operating Temperature:
-55℃~+110℃
Load Voltage:
35V
Reverse Voltage:
6V
Current Transfer Ratio:
600%;50%
Forward Current(If):
50mA
Number Of Channels:
1
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
LTV-357T-A
Package:
SOP-4
Product Description
LTV-357T Series Photocoupler
The LTV-357T series is a high-performance photocoupler designed for applications requiring high input-output isolation and high collector-emitter voltage. It features a current transfer ratio (CTR) of a minimum of 50% at IF = 5mA, VCE = 5V, and an isolation voltage of 3,750Vrms. Available in SOP-4 and mini-flat packages, this series is suitable for hybrid substrates, programmable controllers, and system appliances.
Product Attributes
- Brand: LITE-ON Technology Corp.
- Origin: Taiwan, R.O.C.
- Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CSA CA5A, CQC GB4943.1-2011/ GB8898-2011, FIMKO/DEMKO/SEMKO/NEMKO
- Compliance: RoHS Compliance (EU RoHS directive)
- ESD Pass: HBM 8000V / MM2000V / CDM2000V
- MSL Class: 1
Technical Specifications
| Parameter | Symbol | Rating | Unit | Test Condition | |
| Absolute Maximum Ratings | |||||
| Input Forward Current | IF | 50 | mA | Ta=25C | |
| Reverse Voltage | VR | 6 | V | Ta=25C | |
| Power Dissipation | P | 70 | mW | Ta=25C | |
| Junction Temperature | TJ | 125 | C | Input | |
| Collector - Emitter Voltage | VCEO | 35 | V | Ta=25C | |
| Emitter - Collector Voltage | VECO | 6 | V | Ta=25C | |
| Collector Current | IC | 50 | mA | Ta=25C | |
| Collector Power Dissipation | PC | 150 | mW | Ta=25C | |
| Junction Temperature | TJ | 125 | C | Output | |
| Total Power Dissipation | Ptot | 170 | mW | Ta=25C | |
| Isolation Voltage | Viso | 3750 | Vrms | AC For 1 Minute, R.H. = 40 ~ 60% | |
| Operating Temperature | Topr | -55 ~ +110 | C | ||
| Storage Temperature | Tstg | -55 ~ +150 | C | ||
| Soldering Temperature | Tsol | 260 | C | For 10 Seconds | |
| Electrical Optical Characteristics | |||||
| Input Forward Voltage | VF | 1.2 / 1.4 | V | IF=20mA | |
| Reverse Current | IR | 10 | A | VR=4V | |
| Terminal Capacitance | Ct | 30 / 250 | pF | V=0, f=1KHz | |
| Output Collector Dark Current | ICEO | 100 | nA | VCE=20V, IF=0 | |
| Collector-Emitter Breakdown Voltage | BVCEO | 35 | V | IC=0.1mA, IF=0 | |
| Emitter-Collector Breakdown Voltage | BVECO | 6 | V | IE=10A, IF=0 | |
| Collector Current | IC | 2.5 / 30 | mA | IF=5mA, VCE=5V | |
| Current Transfer Ratio | CTR | 50 / 600 | % | IF=5mA, VCE=5V | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.2 | V | IF=20mA, IC=1mA | |
| Isolation Resistance | Riso | 51010 / 11011 | DC500V, 40 ~ 60% R.H. | ||
| Floating Capacitance | Cf | 0.6 / 1 | pF | V=0, f=1MHz | |
| Response Time (Rise) | tr | 4 / 18 | s | VCE=2V, IC=2mA, RL=100 | |
| Response Time (Fall) | tf | 3 / 18 | s | VCE=2V, IC=2mA, RL=100 | |
2410121606_LITEON-LTV-357T-A_C2944033.pdf
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