Silicon Zener Diode Series
1N746 thru 1N759, 1N4370A thru 1N4372A
Features
•
•
•
•
Available in JAN, JANTX and JANTXV
per MIL-PRF-19500/127
Double Plug Construction
Metallurgically Bonded
Also available in DO-213 MELF style package
Maximum Ratings
Operating Temperature: -65°C to +175°C
Storage Temperature:
DC Power Dissipation:
Power Derating:
-65°C to +175°C
500 mW @ +50°C
4 mW / °C above +50°C
Forward Voltage @ 200mA: 1.1 volts maximum
Electrical Specifications @ +25 ºC (Unless Otherwise Specified)
JEDEC
TYPE
NUMBER
(NOTE 1)
VOLTS
1N4370A
1N4371A
1N4372A
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
12.0
NOMINAL
ZENER
VOLTAGE
VZ @ IZT
ZENER
TEST
CURRENT
IZT
(NOTE 2)
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
MAXIMUM
ZENER
IMPEDANCE
(NOTE 3)
ZZT@ IZT
OHMS
30
30
29
28
24
23
22
19
17
11
7
5
6
8
10
17
30
μA
100
60
30
5
3
2
2
5
5
5
5
2
2
1
1
1
1
VOLTS
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.0
2.5
3.5
4.0
5.0
6.0
7.0
8.0
9.0
mA
155
140
125
120
110
100
90
85
75
70
65
60
55
50
45
40
35
MAXIMUM
REVERSE CURRENT
IR @ VR
MAXIMUM
ZENER
CURRENT
IZM
NOTE 1: Zener voltage tolerance on "A" suffix is +5%. No Suffix denotes +10% tolerance,
"C" suffix denotes +2% tollerance and "D" suffix denotes +1% tolerance.
NOTE 2: Zener voltage is measured with the device junction in thermal equilibrium at an ambient
temperature of 25°C + 3°C.
NOTE 3: Zener impedance is derived by superimposing on IZT A 60Hz rms a.c. current equal to 10% of IZT
Revision Date: 11/4/2009
New Product
1
1N746 thru1N759A & 1N4370 thru1N4372A
(Including -1 Versions)
Outline Drawing
LEADED DESIGN DATA
0.080 MAX
2.03 DIA
1.000
MIN
25.400
CASE: Hermetically sealed, DO – 35
LEAD MATERIAL: Copper clad steel
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (R
θJEC
): 250 ˚C/W maximum at L = .375 in
THERMAL IMPEDANCE: (Z
θJX
): 35˚C/W maximum
POLARITY: Diode to be operated with the banded (cathode) end positive
MOUNTING POSITION: Any
POLARITY
BAND
(CATHODE)
0.175
MAX
4.44
0.018 / 0.022
DIA
0.457 / 0.559
1.000
MIN
25.400
All dimensions in INCH
mm
Graphs
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Aeroflex / Metelics, Inc. reserves the right to make changes to any products and services
herein at any time without notice. Consult Aeroflex or an authorized sales representative to
verify that the information in this data sheet is current before using this product. Aeroflex
does not assume any responsibility or liability arising out of the application or use of any
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Revision Date: 11/4/2009
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