Data Sheet
1.0 WATT SURFACE MOUNT
ZENER DIODE
Mechanical Dimensions
.110(2.8)
.080(2.0)
.040(1.0)
.051(1.3)
.216(5.5)
.185(4.7)
.091(2.3)
.067(1.7)
.051
.008 (1.3)
(.2)
.008
(1.2)
Description
1ZS110~330 Series
.059(1.5)
.035(.9)
SMA
FEATURES
!
PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
FLAMMABILITY CLASSIFICATION 94V-0
!
LOW ZENER IMPEDANCE
!
EXCELLENT CLAMPING CAPABILITY
DIMENSIONS IN INCH(MM)
MECHANICAL DATA
!
CASE：MOLDED PLASTIC
!
TERMINALS
：SOLDER
PLATED
!
POLARITY
：INDICATED
BY CATHODE BAND
!
WEIGHT：0.10 GRAMS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED
STORAGE AND OPERATING TEMPERATURE RANGE -55℃ TO + 150℃
ELECTRICAL CHARACTERISTICS (TA=25℃UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES
ZENER
BREAKDOWN
VOLTAGE
V
Z
V
I
ZT
mA
DYNAMIC IMPEDANCES
＠
25℃TA
Z
ZT
Ohms
I
ZK
mA
Z
ZK
ohms
MAXIMUM REVERSE
CURRENT
＠
MEASUREMENT
VOLTAGE AND 25℃TA
V
R
I
R
V
µA
MAXIMUM FORWARD
VOLTAGE
＠25℃TA
＠IF=1.0A
V
F
V
TYPE
1ZS110
1ZS115
1ZS120
1ZS130
1ZS140
1ZS150
1ZS160
1ZS170
1ZS180
1ZS190
1ZS200
1ZS210
1ZS220
1ZS230
1ZS240
1ZS250
1ZS260
1ZS270
1ZS280
1ZS290
1ZS300
1ZS310
1ZS320
1ZS330
110
115
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
750
750
850
1000
1200
1300
1500
2200
2200
2500
2500
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
8000
9000
9000
9000
9000
9000
9000
9000
9000
9000
9000
9500
9500
9500
80
85
90
95
105
110
120
130
140
150
165
165
170
175
180
190
195
200
210
215
220
225
233
240
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
NOTE︰STANDARD ± 20% ,
SUFFIX〝A〞± 10%,SUFFIX〝B〞± 5%
SUFFIX〝T〞±10V
〝U〞+5%
-0 %,SUFFIX
〝D〞+0%
–5 %,
Data Sheet
1.0 WATT SURFACE MOUNT
ZENER DIODE
RATING AND CHARACTERISTIC CURVES
1ZS110
THRU
1ZS330
FIG. 2 - ZENER VOLTAGE VERSUS ZENER CURRENT
FIG. 1 - MAXIMUM CONTINUOUS POWER DISSIPARION
10
REVERSE POWER DISSIPATION,
WATTS
I
Z
, ZENER CURRENT (mA)
1
5
2
1
0.5
0.2
0.1
100
25
50
75
100
125
150
175
150
200
250
300
350
400
SINGLE PHASE
HALF WAVF
60H
Z
RESISTIVE OR
INDUCTIVE LOAD
0.375”(9.5mm) LEAD LENGTHS
0
V
Z
, ZENER VOLTAGE (VOLTS)
LEAD TEMPERATURE,
℃
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARCTERISTICS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
INSTANTANEOUS REVERSE
CURRENT,MICROAMPERES
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
4
1.0
.4
0.1
.04
.01
0
20
40
60
80
100
120
140
T
J
=25℃
1.0
0.1
T
J
=25℃
PULSE WIDTH=300us
1% DUTY CYCLE
PERCENT OF RATED ZENER VOLTAGE
.01
.4
.6
.8
1.0
1.2
1.4 1.6
INSTANTANEOUS
FORWARD VOLTAGE, VOLTS
FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS
θ
VZ
TEMPERATURE COEFFICIENT
(mV/℃)
＠
I
ZT
℃
1000
500
200
100
50
20
10
10
20
50
100
200
400
1000
V
Z
ZENER VOLTAGE
＠
I
ZT
(VOLTS)
