KEXIN KAS31

Diodes
SMD Type
General Purpose Controlled Avalanche Diodes
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
SOT-23
Unit: mm
+0.1
2.9-0.1
+0.1
0.4-0.1
Features
1
0.55
General application
+0.1
1.3-0.1
+0.1
2.4-0.1
Small plastic SMD package
0.4
3
2
+0.1
0.95-0.1
+0.1
1.9-0.1
0-0.1
1.Base
2.Emitter
3.collector
KAS35
KAS31
KAS29
+0.1
0.38-0.1
+0.1
0.97-0.1
+0.05
0.1-0.01
Absolute Maximum Ratings Ta = 25
Parameter
Repetitive peak reverse voltage
Continuous reverse voltage
Continuous forward current* 1
single diode loaded;
Symbol
Rating
Unit
VRRM
110
V
VR
90
V
IF
double diode loaded;
250
mA
150
600
mA
10
A
4
0.75
A
A
Ptot
250
mW
Repetitive peak reverse current
IRRM
600
mA
Repetitive peak reverse energy *2
ERRM
5
mJ
Thermal resistance from junction to tie-point
Rth j-tp
360
K/W
Thermal resistance from junction to ambient * 1
K/W
Repetitive peak forward current
IFRM
Non-repetitive peak forward current square wave; Tj = 25
prior to surge;
t=1 s
t = 100
t=1s
Total power dissipation Ta = 25
*1
IFSM
s
Rth j-a
500
Junction temperature
Tj
150
Storage temperature
Tstg
-65 to +150
*1 Device mounted on an FR4 printed-circuit board.
*2 tp
50
s; f
20 Hz; Tj = 25
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Diodes
SMD Type
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
Electrical Characteristics Ta = 25
Parameter
Symbol Testconditons
VF
Forward voltage
Reverse current
IR
Reverse avalanche breakdown voltage
V(BR)R
Diode capacitance
Reverse recovery time
Max
Unit
IF = 10 mA
750
mV
IF = 50 mA
840
mV
IF = 100 mA
900
mV
IF = 200 mA
1
V
IF = 400 mA
1.25
V
VR = 90 V
100
nA
VR = 90 V; Tj = 150
100
A
IR = 1 mA
170
V
f = 1 MHz; VR = 0
35
pF
trr
when switched from IF = 30 mA to
IR = 30 mA; RL = 100 Ù; measured at
IR = 3 mA
50
ns
NO.
KAS29
KAS31
KAS35
Marking
L20
L21
L22
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120
Typ
Cd
Marking
2
Min
Diodes
SMD Type
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
Typlcal Characteristics
(1) Tj = 150
; typical values.
Device mounted on an FR4 printed-circuit board.
(1) Single diode loaded.
(2) Tj = 25
; typical values.
(2) Double diode loaded.
(3) Tj = 25
; 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 °C prior to surge.
Fig.3 Maximum permissible non-repetitive peak forward current as a function of pulse duration.
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Diodes
SMD Type
KAS29/KAS31/KAS35
(BAS29/BAS31/BAS35)
f = 1 MHz; Tj = 25 °C.
(1) VR = 90 V; maximum values.
(2) VR = 90 V; typical values.
Fig.4 Reverse Current as a Function of
Junction Temperature.
4
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Fig.5 Diode Capacitance as a Function Of Reverse
Voltage; Typical Values.