ST32 Littelfuse Inc, ST32 Datasheet - Page 4

• Manufacturer Part Number: ST32
• Description: Diacs 27-34V
• Manufacturer: Littelfuse Inc

Specifications of ST32

• Mounting Style: SMD/SMT
• Package / Case: DO-214-2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Diac
Figure E8.3 Normalized V
Figure E8.4 Test Circuit Waveforms (Refer to Figure E8.5.)
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+V
-V
+8
+6
+4
+2
-2
-4
-6
-8
+I
-I
0
BO
BO
PK
PK
-40
0
0
V
I
L
C
HT Series
-20
Typical pulse base width is 10 µs
Junction Temperature (T
BO
0
Change versus Junction Temperature
+20 +40 +60 +80 +100 +120 +140
∆V+
ST Series
J
) – ˚C
∆V-
t
t
E8 - 4
Figure E8.5 Circuit Used to Measure Diac Characteristics
Figure E8.6 Peak Output Current versus Triggering Capacitance
(Refer to Figure E8.4.)
(Per Figure E8.5 with R
*
Adjust for one firing in each half cycle. D.U.T. = Diac
300
250
200
150
100
50
47 k
120 V rms
0
60 Hz
.01 .02 .03 .04 .05 .06 .07 .08 .09
Triggering Capacitance (C
100 k
V
C
*
0.1 µF
L
D.U.T.
C
of 20 Ω)
T
Thyristor Product Catalog
I
T
L
) – µF

2004 Littelfuse, Inc.
R
20 Ω
1%
L
.10
Data Sheets