D
S18008 Rev. D-3 1 of 2 ZMU100-ZMU180
ZMU100 - ZMU180
HIGH VOLTAGE PLANAR POWER ZENER DIODE
Features
Case: Glass, MELF
Terminals: Solderable Per MIL-STD-202,
Method 208
Polarity: Cathode Band
Weight: 0.25 grams (approx.)
Mechanical Data
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Notes:
1. Valid provided that electrodes are kept at specified ambient temperature
2. Tested with pulses tp = 20 ms.
Characteristics
Symbol
Value
Unit
Zener Current (see Table)
--
--
--
Power Dissipation (Note 1)
P
d
1.0
W
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
150
K/W
Operating and Storage Temperature Range
T
j
, T
STG
55 to +175
C
1.0 Watt Dissipation Rating
Planar Die Construction
100V -180V Nominal Zener Voltages
Hermetic Glass Body for High Reliability
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Type
Number
Zener
Voltage Range
(Note 2)
Maximum
Dynamic
Impedance
Typ. Temperature
Coefficient of
Zener Voltage
Test
Current
Minimum
Reverse
Voltage
Maximum
Zener Current
(Note 1)
V
Z
@ I
ZT
Z
ZT
@ I
ZT
@ I
ZT
I
ZT
V
R
@ I
R
= 0.5 A
I
ZM
Volts
Ohms
%/C
mA
Volts
mA
ZMU100
88-110
300
+.110
5
75
7
ZMU120
107-134
330
+.110
5
90
6
ZMU150
130-165
360
+.110
5
112
5
ZM33U180
160-200
380
+.110
5
134
4
C
A
B
MELF
Dim
Min
Max
A
4.8
5.2
B
2.4
2.5
C
0.4 Nominal
All Dimensions in mm
D
S18008 Rev. D-3 2 of 2 ZMU100-ZMU180
V , ZENER VOLTAGE (V)
Fig. 1 Zener Breakdown Characteristics
Z
I
,
ZENER
CURRENT
(mA)
ZT
0
2
4
6
8
10
T = 25C
A
0
50
100
150
200
250
ZMU100
ZMU120
ZMU150
ZMU180
(See Note 2)
0
100
200
T , AMBIENT TEMPERATURE (C)
Fig. 2 Power Derating Curve
A
P,
P
O
WER
DISSIP
AT
I
O
N,
(W)
d
0
0.5
1.0
(See Note 1)
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