MOC3043 Fairchild Semiconductor, MOC3043 Datasheet - Page 3

• Manufacturer Part Number: MOC3043
• Manufacturer: Fairchild Semiconductor

Specifications of MOC3043

• Number Of Elements: 1
• Forward Voltage: 1.5V
• Repetitive Peak Off-state Volt: 400V
• Operating Temp Range: -40C to 85C
• Package Type: PDIP
• Reverse Breakdown Voltage: 6V
• Mounting: Through Hole
• Pin Count: 6
• Trigger Current: 5mA
• Zero Crossing Circuit: Yes
• Operating Temperature Classification: Industrial
• Forward Current: 60mA
• Power Dissipation: 250mW
• Output Device: Triac
• Isolation Voltage: 5250Vrms
• Lead Free Status / RoHS Status: Supplier Unconfirmed

APPLIED VOLTAGE
0 VOLTS
+400
Vdc
PULSE
INPUT
500
200
100
WAVEFORM
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
50
20
10
1
5
–40
Figure 5. Trigger Current versus Temperature
–40
Figure 3. I DRM1 , Peak Blocking Current
–20
I F = 0
–20
MERCURY
WETTED
RELAY
T A , AMBIENT TEMPERATURE ( C)
T A , AMBIENT TEMPERATURE ( C)
0
t
252 V
RC
0
versus Temperature
R TEST
20
20
40
40
60
C TEST
NORMALIZED TO
T A = 25 C
80
60
D.U.T.
Figure 7. Static dv/dt Test Circuit
100
80
R = 10 k
SCOPE
PROBE
X100
100
V max = 400 V
dv dt
+
1. The mercury wetted relay provides a high speed repeated
2. 100x scope probes are used, to allow high speeds and
3. The worst–case condition for static dv/dt is established by
1.5
1.4
1.3
1.2
1.1
0.9
0.8
0.7
0.6
25
20
15
10
1
5
0
0.63 V max
pulse to the D.U.T.
voltages.
triggering the D.U.T. with a normal LED input current, then
removing the current. The variable R TEST allows the dv/dt to be
gradually increased until the D.U.T. continues to trigger in
response to the applied voltage pulse, even after the LED
current has been removed. The dv/dt is then decreased until
the D.U.T. stops triggering.
recorded.
MOC3041, MOC3042, MOC3043
–40
1
t
RC
–20
Figure 6. LED Current Required to Trigger
Figure 4. I DRM2 , Leakage in Inhibit State
2
+
0
t
252
PW in , LED TRIGGER PULSE WIDTH ( s)
RC
T A , AMBIENT TEMPERATURE ( C)
versus LED Pulse Width
20
versus Temperature
5
40
t
RC is measured at this point and
10
60
80
I F = RATED I FT
NORMALIZED TO:
20
T A = 25 C
PW in
100
q
100 s
50
100