Telefunken TCZT8020 Datasheet
Matchable Pairs – Emitter and Detector
Description
Pairs of infrared-emitting diode and phototransistor,
matched in their optical and electrical features. These
pairs enable a lot of applications. They can be used
both for transmissive or reflective sensor functions.
The peak wavelength of the emitter is l = 950 nm.
Applications
D
Generally used for industrial processing and
controlling, end of tape detector
TCZT8020
Vishay Telefunken
Features
D
Subminiature case with lens
D
Detector with optical filter, protected against
ambient light
D
Detector case black for easy identification of the
emitter and detector
D
Emitter-angle of half intensity ± ϕ = 25
D
Detector-angle of half sensitivity ± ϕ = 25
D
Emitter and detector in sideview case
°
°
Order Instruction
Ordering Code Remarks
TCZT8020–PAER
96 12317
Rev. A3, 20–Jul–99
www.vishay.comDocument Number 83774
1 (7)
TCZT8020
Vishay Telefunken
Absolute Maximum Ratings
Input (Emitter)
Parameter Test Conditions Symbol Value Unit
Reverse voltage V
Forward current I
Forward surge current t ≤ 10 ms I
Power dissipation T
Junction temperature T
Output (Detector)
Parameter Test Conditions Symbol Value Unit
Collector-emitter voltage V
Emitter-collector voltage V
Collector current I
Peak collector current tp/T = 0.5, t ≤ 10 ms I
Power dissipation T
Junction temperature T
Emitter and Detector matched
Parameter Test Conditions Symbol Value Unit
Ambient temperature range T
Storage temperature range T
Soldering temperature 2 mm from case, t ≤ 5 s T
≤ 25°C P
amb
≤ 25°C P
amb
R
F
FSM
V
CEO
ECO
C
CM
V
amb
stg
sd
6 V
60 mA
1 A
100 mW
j
100
°
C
70 V
7 V
50 mA
100 mA
150 mW
j
100
–55 to +85
–55 to +100
260
°
C
°
C
°
C
°
C
Electrical Characteristics (T
amb
= 25°C)
Input (Emitter)
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Forward voltage IF = 50 mA V
Output (Detector)
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Collector emitter voltage IC = 1 mA V
Emitter collector voltage IE = 100 mA V
Collector dark current VCE = 25 V, IF = 0, E = 0 I
= 100
1)
W
°
Emitter and Detector matched
Parameter Test Conditions Symbol Min. Typ. Max. Unit
Collector current VCE = 5 V, IF = 20 mA I
IC/ I
F
Collector emitter
saturation voltage
Cut-off frequency IF = 10 mA, VCE = 5 V,
1)
Characteristics are measurement at a separation distance of 4 mm (0.55’) within a common axis
of 0.5 mm (0.02’) and parallel within 5
VCE = 5 V, IF = 20 mA CTR 1.25 2.5
IF = 20 mA, IC = 25 mA V
R
L
F
CEO
ECO
CEO
C
CEsat
f
C
1.25 1.6 V
70 V
7 V
100 nA
0.25 0.5 mA
0.4 V
110 kHz
www.vishay.com
2 (7) Rev. A3, 20–Jul–99
Document Number 83774
TCZT8020
Vishay Telefunken
Switching Characteristics
Parameter Test Conditions Symbol Typ. Unit
Turn-on time VS = 5 V, IC = 1 mA, RL = 100 W (see figure 1) t
S C L
Turn-off time
on
t
off
15.0
10.0
m
s
m
s
0
RG = 50
t
p
= 0.01
T
t
= 50 ms
p
95 10846
I
I
F
F
W
50
W
100
+ 5 V
= 1 mA; adjusted through
I
C
Channel I
Channel II
W
input amplitude
Oscilloscope
RL y 1 M
C
x 20 pF
L
I
F
0
t
p
I
C
W
100%
90%
96 11698
t
Figure 1. Test circuit
10%
0
t
r
t
d
t
on
t
p
t
d
t
r
t
(= td + tr) turn-on time
on
pulse duration
delay time
rise time
t
t
s
f
t
off
t
s
t
f
t
(= ts + tf) turn-off time
off
t
storage time
fall time
Figure 2. Switching times
Rev. A3, 20–Jul–99
www.vishay.comDocument Number 83774
3 (7)
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