• 1N3154UR-1 THRU 1N3157UR-1 AVAILABLE IN
JAN, JANTX, JANTXV
AND JANS
PER MIL-PRF-19500/158
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 8.4 VOLT NOMINAL ZENER VOLTAGE
• METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
1N3154UR-1
thru
1N3157UR-1
and
CDLL3154
thru
CDLL3157A
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
= 5.5Vdc
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified.
DIM
D
F
G
G1
S
CDI
TYPE
NUMBER
ZENER
VOLTAGE
VZ @ IZT
ZENER
TEST
CURRENT
I ZT
MAXIMUM
VOLTAGE
TEMPERATURE
EFFECTIVE
ZENER
TEMPERATURE
RANGE
TEMPERATURE
IMPEDANCE
STABILITY
COEFFICIENT
ZZT
³V ZT
MAXIMUM
(Note 1)
(Note 2)
mV
130
172
65
86
26
34
13
17
°C
-55 to +100
-55 to +150
-55 to +100
-55 to +150
-55 to +100
-55 to +150
-55 to +100
-55 to +150
% / °C
.01
.01
.005
.005
.002
.002
.001
.001
MILLIMETERS
INCHES
MIN MAX MIN MAX
1.60
1.70 0.063 0.067
0.41
0.55 0.016 0.022
3.30
3.70 .130 .146
2.54 REF.
.100 REF.
0.03 MIN.
.001 MIN.
VOLTS
CDLL3154
CDLL3154A
CDLL3155
CDLL3155A
CDLL3156
CDLL3156A
CDLL3157
CDLL3157A
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
8.00 - 8.80
mA
10
10
10
10
10
10
10
10
OHMS
15
15
15
15
15
15
15
15
FIGURE 1
DESIGN DATA
CASE:
DO-213AA, Hermetically sealed
glass case. (MELF, SOD-80, LL34)
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.
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 2
MOUNTING SURFACE SELECTION:
The Axial Coefficient of Expansion
(COE) Of this Device is Approximately
+6PPM/°C. The COE of the Mounting
Surface System Should Be Selected To
Provide A Suitable Match With This
Device.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
107
Pd, Rated Power
Dissipation (mW)
CDLL3154
thru
600
500
400
300
200
100
0
0
25
50
75
100
125
150
175
CDLL3157A
TA, Ambient Temperature (°C)
FIGURE 2
POWER DERATING CURVE
100
ZENER IMPEDANCE ZZT (OHMS)
50
10
5
1
8
9
10
11
12
13
OPERATING CURRENT lZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
+.0015
CHANGE IN TEMPERATURE COEFFICIENT ( %/°C)
+.0010
+.0005
0
-.0005
-.0010
-.0015
6
8
10
OPERATING CURRENT l
ZT
12
(mA)
14
FIGURE 4
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT
108
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