n-channel JFETs current regulator diodes
H
Siliconix
designed for. • •
• Current Regulation Current Limiting
• Biasing...
n-channel JFETs current
regulator diodes
H
Siliconix
designed for.
Current Regulation Current Limiting
Biasing Linear Ramp and Staircase
- o Generator
1ft -t ABSOLUTE MAXIMUM RATINGS (25°C)
o Peak Operating Voltage .......................... 50 V
o1ft Forward Current ............................. 20 mA
-t Reverse Current.............................. 50 mA
Total Device Dissipation at 25°C Ambient (Derate 3.27 mW;oC) ...................... 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
Performance Curves NCL See Section 4
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 Section 8
.ANODE
~
Plastic
-
CATHODE
CO
AC
Bottom View
c
A
ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted)
Characteristic
J500 J501 J502 J503 J504 J505 Unit
Test Conditions
..2...
-- 2 3
S T
A
4
,15-
T I C
6
7
1-
D
I~
V N
9
IFI
POV VL ZFI CF
Forward Current (Note 1)
Peak Operating Voltage (Notes 1 and 2)
LImIting Voltage (Note 3)
Small·Signal DynamIc Impedance (Note 1l Anode·Cathode CapacItance
Min Nominal Max
0.192 0.240 0.288
0.264 0.330 0.396
0.344 0.430 0.516
0.448 0.560 0.672
0.600 0.750 0.900
0.800 1.000 1.200
mA
VF = 25 V
Min
Max Typ Min Typ Typ
50 50 50 50 50 50
IF = 1.1 ...
