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n-channel JFETs
current regulator diodes
~~---
H
Siliconix
---~~-
designed for
Performance Curves NCL
See Section 4
Current Regulation
Current Limiting
Biasing
Linear Ramp and Staircase
Generator
BENEFITS
• Low Cost
• Simple Two Lead Current Source
• Simplifies Floating Current Sources
No Power Supplies Required
• Good Operating Current Tolerance
±20%
TO-92 (MODIFIED)
See Secllon 6
ABSOLUTE MAXIMUM RATINGS (25°C)
Peak Operating Voltage .......................... 50 V
Forward Current ............................. 20 mA
Reverse Current.............................. 50 mA
Total Device Dissipation at 25°C Ambient
(Derate 3.27 mWtC) ...................... 360 mW
Operating Temperature Range ............. -55 to 135°C
Storage Temperature Range............... -55 to 150°C
Lead Temperature Range
(1/16" from case for 10 seconds) .............. 300°C
ANODE
~
CATHODE
cO
AC
Bottom View
Plastic
c
A
...
UoI
.0.-.
UoI
.'.I.
UoI
C..O.
UI
.~..
UI
-o...
-UI
ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted)
Characteristic
JS06 JS07 JS08 JS09
I....!.
-2
I-
3
S
T
A
4
-
T
I
C
2
6
-7 D
J!. y
N
9
IFI
POV
VL
ZFI
CF
Forward Current (Note 1)
Peak Operating Voltage
INotes 1 and 21
Limiting Voltage (Note 3)
Smail-Signal Dynamic
Impedance INote 1I
Anode-Cathode Capacitance
Moo
Nominal
Max
1120 1.440
1.400 1.800
1.680 2.160
1.9
24
29
Min SO 50 SO
Max
Typ
Moo
Typ
Typ
2.5
1.8
033
1.4
2
2.8 31
20 2.2
02 ,02
1.0 0.70
22
24
3.0
3.6
50
3.5
2.5
0.15
060
2
JS10
29
3.6
43
50
39
28
015
0.50
2
JSll Unit
3.8
4.7 mA
S.6
50
4.2
3.0
012
0.30
2
v
M12
pF
Test Conditions
VF = 25 V
IF = 11 IFI IMaxl
IF =091FI IM,"I
VF=25V,f= 1 kHz
VF =25 V, f = 1 MHz
NOTES
1 Pu Ise test du ration = 2 ms
2 MaXimum VF where IF < 1 1 IFHMax) IS guaranteed
3. Minimum VF required to Insure IF > 09 'FI(MIn)
Current· limiter Diode
V-I CharacterIStic
IF
NCL
IEII
IF,
I
VR
/ VL
R
pov VF
Silicanix
3-61