SMD Type
General Purpose Controlled Avalanche Diodes
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
SOT-23
+0.1
2.9
-0.1
+0.1
0.4
-0.1
Diodes
Unit: mm
+0.1
2.4
-0.1
General application
+0.1
1.3
-0.1
Small plastic SMD package
1
2
0.95
+0.1
-0.1
+0.1
1.9
-0.1
0.55
0.4
Features
3
+0.05
0.1
-0.01
0.97
+0.1
0.38
-0.1
+0.1
-0.1
1.Base
2.Emitter
3.collector
KAS29
KAS31
KAS35
Absolute Maximum Ratings Ta = 25
Parameter
Repetitive peak reverse voltage
Continuous reverse voltage
Continuous forward current* 1
single diode loaded;
double diode loaded;
Repetitive peak forward current
Non-repetitive peak forward current square wave; Tj = 25
prior to surge;
t=1 s
t = 100
t=1s
Total power dissipation Ta = 25
Repetitive peak reverse current
Repetitive peak reverse energy *2
Thermal resistance from junction to tie-point
Thermal resistance from junction to ambient * 1
Junction temperature
Storage temperature
*1 Device mounted on an FR4 printed-circuit board.
*2 tp
50
s; f
20 Hz; Tj = 25
*1
s
P
tot
I
RRM
E
RRM
R
th j-tp
R
th j-a
T
j
T
stg
I
FRM
Symbol
V
RRM
V
R
I
F
Rating
110
90
250
150
600
10
I
FSM
4
0.75
250
600
5
360
500
150
-65 to +150
A
A
mW
mA
mJ
K/W
K/W
mA
A
Unit
V
V
mA
0-0.1
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1
SMD Type
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
Typlcal Characteristics
Diodes
Device mounted on an FR4 printed-circuit board.
(1) Single diode loaded.
(2) Double diode loaded.
(1) Tj = 150
(2) Tj = 25
(3) Tj = 25
; typical values.
; typical values.
; maximum values.
Fig.1 Maximum Permissible Continuous Forward
Current as a Function Of Ambient Temperature.
Fig.2 Forward Current as a Function of
Forward Voltage.
Based on square wave currents.
Tj = 25 ° prior to surge.
C
Fig.3 Maximum permissible non-repetitive peak forward current as a function of pulse duration.
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3
SMD Type
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
Diodes
f = 1 MHz; Tj = 25 °
C.
(1) VR = 90 V; maximum values.
(2) VR = 90 V; typical values.
Fig.5 Diode Capacitance as a Function Of Reverse
Voltage; Typical Values.
Fig.4 Reverse Current as a Function of
Junction Temperature.
4
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