LETEX LA212 Datasheet
Photocoupler
Signal transmission between circuits of different potentials and impedances.
Part Name: LA212
Features
‧SOP package 4 Pin type in miniature design
‧80% minimum current transfer ratio
‧ 1500V rms Input/Output isolation
‧ AC input.
Applications
‧ Telephones
‧ Programmable controllers
‧ System appliances, measuring instruments.
‧
Dimensions
(Unit: mm inch)
34
34
Letex
LA212
16A
1 2
21
1. LED Anode, Cathode
2. LED Cathode, Anode
3. Emitter
4. Collector
- 1 - Letex Technology Corp.
Photocoupler
(Ambient Temperature: 25
Reverse Voltage
Collector to Emitter Voltage
Emitter to Collector Voltage
Veco
I/O Breakdown Voltage
Vrms
Storage Temperature
Tstg
Operating Temperature
Soldering Temperature
(Ambient Temperature: 25
Forward Voltage
Input
C Breakdown Voltage
Veco
Output
Vce=20V, I
Current Transfer Ratio
Collector Saturation Voltage
Vce=5V, Ic=2mA,
Coupled
Part Name: LA212
Absolute Maximum Ratings
Forward Current IF 50 mA
Input
Peak Forward Current IFP 1 A
Output
Collector Current Ic 50 mA
Power Dissipation Pc 150 mW
Power Dissipation PD 200 mW
Electrical Specifications
Item Symbol Rating Units Note
VR 5 V
Vceo 40 V Ic=1mA, IB=0
VI/O 1500
Top -55 to +100
TSol 260
Item Symbol MIN. TYP. MAX. Units Conditions
℃)
6 V IE=100µA, IB=0
-55 to +125
℃)
℃
℃
℃
RH=60%, 1min
10 seconds max.
Reverse Current IR - µA
Junction Capacitance Ct 25 pF V=0, f=1.0KHz
C-E Breakdown V oltage Vceo 35 V Ic=0.5mA
ECollector Dark Current Iceo 100 nA
Isolation Resistance RI/O 10
Isolation Capacitance CI/O 1.0 pF V=0, f=1.0MHz
Rise Time
Fall Time
VF 1.2 1.4 V IF= ± 20mA
5 V Ie=0.1mA
F=0
BIN GRADE
A 80 160
CTR
Vce(sat) 0.4 V IF=±20mA, Ic=1mA
B 130 260
C 200 240
D 300 600
9
tr
tf
6 µs
6 µs
﹪
IF= ± 1mA, Vce=5V
Ω
V=500V DC
RL=100Ω
- 2 - Letex Technology Corp.
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