1.0W Surface Mount Zener Diodes
ZM4728A – ZM4764A
1.0W Surface Mount Zener Diodes
Features
Silicon planar power zener diodes
For use in stabilizing and clipping circuits with
higher power rating
Standard zener voltage tolerance is ±5%
Low profile package
Built-in strain relief
Low inductance
RoHS compliant
MELF
Mechanical Data
Case:
Terminals:
Polarity:
Weight:
Molded glass MELF
Solder plated, solderable per MIL-STD-750, Method 2026
Color band denotes cathode end
0.135 grams
Maximum Ratings
(T
Ambient
=25ºC unless noted otherwise)
Symbol
Description
Power Dissipation at T
A
=25°C
Operation Junction Temperature Range
Storage Temperature Range
Forward Voltage
Thermal Resistance Junction to Ambient Air
Value
1
-65 to 200
-65 to 200
1.2
170
Unit
W
°C
°C
V
°C/W
I
F
=200mA
Note
Conditions
P
TOT
T
J
T
STG
V
F
R
θJA
Note:
. Valid provided that electrodes are kept at ambient temperature.
TAITRON COMPONENTS INCORPORATED
www.taitroncomponents.com
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
Rev. D/CH
Page 1 of 5
1.0W Surface Mount Zener Diodes
ZM4728A – ZM4764A
Electrical Characteristics
(T
Ambient
=25ºC unless noted otherwise)
Norminal Zener Voltage @ I
ZT
Part NO.
Max. Zener Impedance (Ω)
V
Z
(V)
Nom.
Min.
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
28.50
31.35
34.20
37.05
40.85
Max.
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
31.50
34.65
37.80
40.95
45.15
Max. Reverse
Leakage Current I
R
@ V
R
I
ZT
(mA)
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
Z
ZT
@
I
ZT
10.0
10.0
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10.0
14.0
16.0
20.0
22.0
23.0
25.0
35.0
40.0
45.0
50.0
60.0
70.0
Z
ZK
@
I
zk
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)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
I
R
(A)
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
0.5
V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
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
ZM4728A
ZM4729A
ZM4730A
ZM4731A
ZM4732A
ZM4733A
ZM4734A
ZM4735A
ZM4736A
ZM4737A
ZM4738A
ZM4739A
ZM4740A
ZM4741A
ZM4742A
ZM4743A
ZM4744A
ZM4745A
ZM4746A
ZM4747A
ZM4748A
ZM4749A
ZM4750A
ZM4751A
ZM4752A
ZM4753A
ZM4754A
ZM4755A
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
Rev. D/CH
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Page 2 of 5
1.0W Surface Mount Zener Diodes
ZM4728A – ZM4764A
Norminal Zener Voltage @ I
ZT
Part NO.
Max. Zener Impedance (Ω)
Max. Reverse
Leakage Current I
R
@ V
R
V
Z
(V)
Nom.
Min.
44.65
48.45
53.20
58.90
64.60
71.25
77.90
86.45
95.00
Max.
49.35
53.55
58.80
65.10
71.40
78.75
86.10
95.55
105.00
I
ZT
(mA)
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
Z
ZT
@
I
ZT
80.0
95.0
110.0
125.0
150.0
175.0
200.0
250.0
350.0
Z
ZK
@
I
zk
1500
1500
2000
2000
2000
2000
3000
3000
3000
I
ZK
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
(A)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
V
R
(V)
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
ZM4756A
ZM4757A
ZM4758A
ZM4759A
ZM4760A
ZM4761A
ZM4762A
ZM4763A
ZM4764A
47
51
56
62
68
75
82
91
100
Typical Characteristics Curves
Fig.1-Power Derating Curve
Power Dissipation (W)
Ambient Temperature (° C)
Rev. D/CH
www.taitroncomponents.com
Page 3 of 5
1.0W Surface Mount Zener Diodes
ZM4728A – ZM4764A
Fig.2-Breakdown Characteristics
Dimensions in inch (mm)
MELF
Rev. D/CH
www.taitroncomponents.com
Page 4 of 5
1.0W Surface Mount Zener Diodes
ZM4728A – ZM4764A
Ordering Information
Z M 47XX A –XX–TR70
Tape & Reel, 7” Reel,
RoHS
Factory Location Code
Tolerance ±5%
Series Code
MELF Body
Taitron
SMD Zener Diode
How to contact us
US HEADQUARTERS
28040 WEST HARRISON PARKWAY, VALENCIA, CA 91355-4162
Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
Email:
taitron@taitroncomponents.com
Http://www.taitroncomponents.com
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Tel: +52-55-5560-1519
Fax: +52-55-5560-2190
TAITRON COMPONENTS INCORPORATED TAIWAN, TAIPEI
6F., No.190, Sec. 2, Zhongxing Rd., Xindian Dist., New Taipei City 23146, Taiwan R.O.C.
Tel: 886-2-2913-6238
Fax: 886-2-2913-6239
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METROBANK PLAZA,1160 WEST YAN’AN ROAD, SUITE 1503, SHANGHAI,200052, CHINA
Tel: +86-21-5424-9942
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Tel: +86-21-5424-9942
Fax: +86-21-5424-9931
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Rev. D/CH
Page 5 of 5
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