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J552
Current Regulator Diode
The J552 is a current regulator designed for
applications in test equipment and instrumentation.
With forward current between 0.2 and 0.7 mA, the
J552 will meet a wide array of design requirements.
In addition to its two-lead construction, it features
current control over wide temperature ranges and
simple "floating" operation as no power supplies
are required for biasing. Finally, the low-cost TO-92
package ensures a cost effective design solution.
For additional design information please see
performance curves NKL, which are located in
Section 7.
PART
J552
IF
(mA)
0.77
TO-92
BOTTOM VIEW
SIMILAR PRODUCTS
• TO-1B, See CR022 Series
• Chips, Order J5XXCHP
1 ANODE
2 CATHODE
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
PARAMETERS/TEST CONDITIONS
SYMBOL
LIMIT
UNITS
..
Peak Operating Voltage
Forward Current
Reverse Current
Power Dissipation
Power Derating
Operating Junction Temperature
Pav 100 V
IF 20
mA
IR 50
PD 350 mW
3.27
mW/oC
TJ -55 to 135
Storage Temperature
Lead Temperature
(1/16" from case for 10 seconds)
Tstg
-55 to 135
°C
lL 300
4-93

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J552
ELECTRICAL CHARACTERISTICS 1
PARAMETER
STATIC
SYMBOL
Forward Current 3
IF1
Peak Operating Voltage 3, 4
Limiting Voltage 5
DYNAMIC
Smail-Signal Dynamic
Impedance 3
Anode-Cathode
Capacitance
Pov
VL
ZF1
CF
TEST CONDITIONS
VF=100V
VF = 25 V
VF = 1 V
IF = 100 V IF1(MAX)
IF = 0.9 IF1(MIN)
VF = 25 V, f = 1 kHz
VF = 25 V, f = 1 MHz
NOTES:
1. T A = 25·C unless otherwise noted.
2. For design aid only, not subject to production testing.
3. Pulse test; PW =300jJ.s, duty cycle :S3%.
4. Maximum VF < 1.1 I F1 (MAX) Is guaranteed.
5. Maximum VF required to Insure IF> 0.9IF1(MIN)'
TYp2
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LIMITS
J552
MIN MAX UNIT
400 770
400 250 700 p..A
390 200
160 100
V
1 1.5
61
2
M.o.
pF
4-94