K845P Vishay, K845P Datasheet - Page 3

• Manufacturer Part Number: K845P
• Description: Optocoupler
• Manufacturer: Vishay

Specifications of K845P

• Leaded Process Compatible: Yes
• Maximum Input Diode Current: 60 mA
• Maximum Reverse Diode Voltage: 6 V
• Output Device: Photodarlington
• Output Type: DC
• Configuration: 4 Channel
• Input Type: DC
• Maximum Collector Emitter Voltage: 35 V
• Maximum Collector Emitter Saturation Voltage: 0.1 V
• Isolation Voltage: 5000 Vrms
• Current Transfer Ratio: 800 %
• Maximum Forward Diode Voltage: 1.4 V
• Maximum Collector Current: 80 mA
• Maximum Power Dissipation: 250 mW
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Package / Case: PDIP-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL CHARACTERISTICS
T
Document Number: 83524
Rev. 2.0, 10-Dec-08
amb
= 25 °C, unless otherwise specified
R
t
T
0
p
14779
t
Fig. 3 - Forward Voltage vs. Ambient Temperature
G
p
14390
14389
= 0.01
= 50 s
= 50 Ω
Fig. 1 - Test Circuit, Non-Saturated Operation
Fig. 4 - Forward Current vs. Forward Voltage
1000
100
1.3
1.2
1.1
1.0
0.9
0.8
0.1
10
I
F
1
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
50 Ω
I
F
T
amb
20
V
- Ambient Temperature (°C)
F
- Forward Voltage (V)
R
40
L
+ V
I
For technical questions, contact: [e-mail]
C
Channel I
Channel II
= 10 mA
60
CC
I
F
= 10 mA
80
Oscilloscope
R I = 1 MΩ
C I = 20 pF
Photodarlington Output
100
Optocoupler,
Fig. 5 - Relative Current Transfer Ratio vs. Ambient Temperature
Fig. 6 - Collector Dark Current vs. Ambient Temperature
t
t
t
t
p
d
r
on
(= t
14391
100 %
14392
90 %
10 %
100 000
d
10 000
+ t
I
I
C
1000
F
0
0
r
100
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
)
- 30 - 20 - 10 0 10 20 30 40 50 60 70 80 90 100
10
1
20
K815P, K825P, K845P
t
Pulse duration
Delay time
Rise time
Turn-on time
d
Fig. 2 - Switching Times
t
on
V
I
t
F
V
r
30
CE
CE
= 1 mA
T
I
T
Vishay Semiconductors
F
amb
= 5 V
amb
= 10 V
= 0
t
40
p
- Ambient Temperature (°C)
- Ambient Temperature (°C)
50
t
t
t
t
s
f
off
s
60
(= t
s
t
off
+ t
70
t
f
f
)
80
Storage time
Fall time
Turn-off time
www.vishay.com
90 100
96 11698
t
t
539