• 1N746A THRU 1N759A AVAILABLE IN
JANHC AND JANKC
PER MIL-PRF-19500/127
• 1N4370A THRU 1N4372A AVAILABLE IN
JANHC AND JANKC
PER MIL-PRF-19500/127
• ZENER DIODE CHIPS
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
• COMPATIBLE WITH ALL WIRE BONDING DIE ATTACH TECHNIQUES, WITH
THE EXCEPTION OF SOLDER REFLOW
CD746A thru CD759A
and
CD4370A thru CD4372A
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Forward Voltage @ 200mA: 1.5 volts maximum
23 MILS
15 MILS
ELECTRICAL CHARACTERISTICS @ 25°C
CDI
TYPE
NUMBER
(NOTE 1)
NOMINAL
ZENER
VOLTAGE
V @I
Z
ZT
(NOTE 2)
VOLTS
CD4370A
CD4371A
CD4372A
CD746A
CD747A
CD748A
CD749A
CD750A
CD751A
CD752A
CD753A
CD754A
CD755A
CD756A
CD757A
CD758A
CD759A
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
ZENER
TEST
CURRENT
I
ZT
MAXIMUM
ZENER
IMPEDANCE
(NOTE 3)
Z
@I
ZT
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
OHMS
30
30
29
28
24
23
22
19
17
11
7
5
6
8
10
17
30
MAXIMUM
REVERSE CURRENT
IR @ VR
MAXIMUM
ZENER
CURRENT
1
ZM
Backside is Cathode
µ
A
100
75
50
10
5
5
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
FIGURE 1
DESIGN DATA
METALLIZATION:
Top:
(Anode).....................Al
Back: (Cathode)..................Au
AL THICKNESS.......25,000
Å
Min
GOLD THICKNESS...4,000
Å
Min
CHIP THICKNESS.............10
Mils
CIRCUIT LAYOUT DATA:
For Zener operation, cathode
must be operated positive with
respect to anode.
TOLERANCES:
ALL
Dimensions + 2 mils
NOTE 1
NOTE 2
NOTE 3
Zener voltage range equals nominal voltage +5% for “A” Suffix types. No Suffix denotes + 10%.
"C" suffix = + 2% and "D" suffix = + 1%.
Zener voltage is read using a pulse measurement, 10 milliseconds maximum.
Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal
to 10% of 1ZT.
6 LAKE STREET, LAWRENCE,
PHONE (978) 620-2600
WEBSITE: http://www.microsemi.com
M A S S A C H U S E T T S 01841
FAX (978) 689-0803
175
15 MILS
23 MILS
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