ZS4728A thru ZS4755A
SURFACE MOUNT ZENER TYPE
SMA/DO-214AC
0.189(4.8)
0.165(4.2)
0.012(0.3) Typ .
0.106(2.7)
0.091(2.3)
0.165(4.2)
0.150(3.8)
0.071(1.8
)
0.055(1.4)
0.040(1.0) Typ .
0.040 (1.0) Typ .
Dimensions in inches and (millimeters)
FEATURES
1 Watt Power Dissipation
High Voltages from 3.3~43v
Designed for mounting on small surface
Extremely thin/leadless package
MECHANICAL DATA
Case Molded plastic, JEDEC DO-214AC (SMA)
Terminals Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity Indicated by cathode band
Mounting Position Any
Weight 0.05gram (approx.)
MAXIMUM RATINGS
(at T
A
=25 C unless otherwise noted)
o
PARAMETER
Forward voltage
Power Dissipation
Forward surge current
Storage temperature
Operating temperature
I
F
=200mADC
CONDITIONS
SYMBOL
V
F
P
o
Min.
Typ.
Max.
UNITS
V
mW
mA
0
1.20
1000
100
-55
-55
+125
+125
8.3ms Single Half Sine-Wave Superimposed
on Rated Load (JEDEC Method)
I
FSM
T
STG
T
J
C
C
0
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ZS4728A thru ZS4755A
SURFACE MOUNT ZENER TYPE
ELECTRICAL CHARACTERISTICS
(at T
A
=25 C unless otherwise noted)
o
Part No.
Marking
code
Zener
voltage
V
Z
@I
ZT
Volts
Test
current
I
ZT
mA
76
79
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
Zener Impedance
Z
ZT
@ I
ZK
OHMs
10
10
9
9
8
7
5
2
3.5
4.0
4.5
5.0
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
Z
ZK
@ I
ZK
OHMs
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
I
ZK
mA
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
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
Leakage Current
I
R
A
150
100
100
50
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
V
R
Volts
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
Surge Current
Isurge
mA
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
105
ZS4728A
ZS4729A
ZS4730A
ZS4731A
ZS4732A
ZS4733A
ZS4734A
ZS4735A
ZS4736A
ZS4737A
ZS4738A
ZS4739A
ZS4740A
ZS4741A
ZS4742A
ZS4743A
ZS4744A
ZS4745A
ZS4746A
ZS4747A
ZS4748A
ZS4749A
ZS4750A
ZS4751A
ZS4752A
ZS4753A
ZS4754A
ZS4755A
Z3V3
Z3V6
Z3V9
Z4V3
Z4V7
Z5V1
Z5V6
Z6V2
Z6V8
Z7V5
Z8V2
Z9V1
Z10
Z11
Z12
Z13
Z15
Z16
Z18
Z20
Z22
Z24
Z27
Z30
Z33
Z36
Z39
Z43
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
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
NOTE 5% tolerance of Zener voltage
www.paceleader.tw
2
ZS4728A thru ZS4755A
SURFACE MOUNT ZENER TYPE
RATING AND CHARACTERISTICS CURVES ZS4728A THRU ZS4755A
V
Z
, T E M P E R AT UR E C O E F F I C I E NT
( m V/ )
V
Z
, T E M
P E R AT UR E C O E F F I C I E NT
( m V/ )
FIG. 1A- Range for Units to 12 Volts
+12
+10
+8
+6
+4
+2
0
-2
-4
2
3
4
5
6
7
8
9
10 11
12
RANGE
V
Z
•—I
ZT
@
FIG.1B- Range for Unit s to 12 to 100
100
70
50
30
20
10
7
5
3
2
1
10
20
30
50
70
100
RANGE
V
Z
•—I
ZT
@
V
Z
, ZENER VOLTAGE (VOLTS )
V
Z
, ZENER VOLTAGE (VOLTS )
Figure 2. Temperature Coefficients (-55
175
150
T O L E AD
125
100
75
T H E R M AL
50
25
0
0
0.1 0.2
0.3
0.4
0.5
0.6
0.7 0.8
to+150 temperature change;90% of the units are in the ranges indicated.)
V
Z
T E M P E R AT UR E C O E F F I C I E NT
( m V/ )
+6
+4
+2
0
1mA
V
Z
•—I
Z
@
T
A
=25
20mA
J L ,
J UM C T I O N
0.01mA
-2
-4
NOTE:BELOW 3 VOLTS AAND ABOCE 8
VOLTS
CHANGES IN ZENER CURRENT DO NOT
0.9
3
4
5
6
7
8
L, LEAD LENGTH TO HEAT SINK (INCHES )
V
Z
, ZENER VOLTAGE (VOLTS)
Figure 3. Typical Ther mal Resistance versus Lead
Z
Z
DYNAM I C I M P E DANC E (O H NS)
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2
3
5
7 10
20 30 50
70 100
I
z
=1mA
Figure
4. Effect of Zener Current
400
300
200
C , C AP AC I T ANC E (
P
F )
0VBIAS
T
j
=25
I
z
(ms)=0.1I
z
(do)
f=60H
z
100
0VBIAS
5mA
50
20
10
8
4
1
2
5
10
20
50
100
20mA
50% OF BREAKDOWNBIAS
V
Z,
ZENER CURR ENT (mA)
V
Z
, NOMINAL V
Z
(VOLTS)
Figure . 7 - Power Te mperature Derating Curve
1.25
P
D
, M AXI M UM DI SSI P AT I O N
(W AT T S)
1.0
0.75
0.5
0.25
0
20
40
60 80
100
120 140
160
O
T
L
, LEAD TEMPERATURE ( C)
180 20 0
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Microcontroller MCU
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