• 9.1 VOLT NOMINAL ZENER VOLTAGE + 5%
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LOW CURRENT RANGE: 0.5 AND 1.0 mA
• METALLURGICALLY BONDED
• DOUBLE PLUG CONSTRUCTION
1N4765
thru
1N4774A
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 500mW @ +50°C
Power Derating: 4 mW / °C above +50°C
REVERSE LEAKAGE CURRENT
l
R
= 10
µ
A @ 25°C & V
R
= 6 Vdc
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified.
JEDEC
TYPE
NUMBER
ZENER
VOLTAGE
vz @ I
ZT
(Note 3)
VOLTS
ZENER
TEST
CURRENT
I
ZT
MAXIMUM
DYNAMIC
IMPEDANCE
ZZT
(Note 1)
MAXIMUM
VOLTAGE
TEMPERATURE
TEMPERATURE
RANGE
STABILITY
∆V
ZT
(Note 2)
mV
68
141
34
70
14
28
6.8
14
3.4
7
68
141
34
70
14
28
6.8
14
3.4
7
°C
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
0 to + 75
-55 to +100
EFFECTIVE
TEMPERATURE
COEFFICIENT
mA
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
OHMS
350
350
350
350
350
350
350
350
350
350
200
200
200
200
200
200
200
200
200
200
% / °C
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
0.0005
0.0005
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
0.0005
0.0005
1N4765
1N4765A
1N4766
1N4766A
1N4767
1N4767A
1N4768
1N4768A
1N4769
1N4769A
1N4770
1N4770A
1N4771
1N4771A
1N4772
1N4772A
1N4773
1N4773A
1N4774
1N4774A
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
FIGURE 1
DESIGN DATA
CASE:
Hermetically sealed glass
case. DO – 35 outline.
LEAD MATERIAL:
Copper clad steel.
LEAD FINISH:
Tin / Lead
POLARITY:
Diode to be operated with
the banded (cathode) end positive.
MOUNTING POSITION:
ANY.
NOTE 1
Zener impedance is derived by superimposing on lZT A 60Hz rms
a.c. current equal to 10% of lZT.
NOTE 2
The maximum allowable change observed over the entire temperature range
i.e., the diode voltage will not exceed the specified mV at any discrete temperature
between the established limits, per JEDEC standard No.5.
NOTE 3
Zener voltage range equals 9.1 volts + 5%.
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com
E-mail: mail@cdi-diodes.com
Pd, Rated Power
Dissipation (mW)
1N4765
thru
1N4774A
600
500
400
300
200
100
0
0
25
50
75
100
125
150
175
TL, Lead temperature (C°) 3/8” from body
FIGURE 2
POWER DERATING CURVE
CHANGE IN TEMPERATURE COEFFICIENT (%/°C)
1000
500
100
50
10
1
2
OPERATING CURRENT lZT (mA)
3
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
+.0015
CHANGE IN TEMPERATURE COEFFICIENT ( %/°C)
+.0010
+.0005
0
-.0005
-.0010
-.0015
0.5
1.0
1.5
OPERATING CURRENT lZT (mA)
2.0
FIGURE 4
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT
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