TCMT111. Series
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Vishay Semiconductors
Rev. 1.7, 10-Mar-16
4
Document Number: 81862
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Note
• As per IEC 60747-5-5, § 7.4.3.8.2, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with
the safety ratings shall be ensured by means of protective circuits.
TYPICAL CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
Fig. 4 - Total Power Dissipation vs. Ambient Temperature Fig. 5 - Forward Voltage vs. Forward Current
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Climatic classification (according to IEC 68 part 1)
55/110/21
Comparative tracking index CTI 175
Maximum rated withstanding isolation voltage 40 % to 60 % RH, AC test of 1 min V
ISO
3750 V
RMS
Maximum transient isolation voltage V
IOTM
6000 V
Maximum repetitive peak isolation voltage V
IORM
707 V
Insulation resistance V
IO
= 500 V, T
amb
= 100 °C R
IO
10
11
Ω
Isolation resistance (under fault conditions) V
IO
= 500 V, T
amb
= T
SI
R
IO
10
9
Ω
Output safety power P
SO
350 mW
Input safety current I
SI
200 mA
Input safety temperature T
SI
175 °C
Apparent charge test voltage (method A)
V
IORM
x 1.6 = V
PR
, type and sample test
t
m
= 60 s, partial discharge < 5 pC
V
PR
1132 V
peak
Apparent charge test voltage (method B)
V
IORM
x 1.875 = V
PR
, 100 % production
test with t
m
= 1 s, partial discharge < 5 pC
V
PR
1326 V
peak
Creepage distance ≥ 5mm
Clearance distance ≥ 5mm
Insulation thickness DTI ≥ 0.4 mm
Environment (pollution degree in accordance to DIN VDE 0109) 2
0
50
100
150
200
250
300
0 40 80 120
P
tot
- Total Power Dissipation (mW)
T
amb
- Ambient Temperature (°C)
96 11700
Coupled device
Phototransistor
IR-diode
0.1
1
10
100
0.6 0.8 1.0 1.2 1.4 1.6
I
F
- Forward Current (mA)
V
F
- Forward Voltage (V)
T
amb
= 110 °C
T
amb
= 75 °C
T
amb
= 25 °C
T
amb
= 0 °C
T
amb
= -55 °C