Axial Lead
Zener Diode
1N4728A THRU 1N4761A
List
Formosa MS
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings .............................................................................. 2
Electrical characteristics....................................................................3
Rating and characteristic curves........................................................ 4
Pinning information........................................................................... 5
Taping & bulk specifications for AXIAL devices.................................... 5
Suggested thermal profiles for soldering processes............................. 6
High reliability test capabilities........................................................... 7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2014/05/23
Revision
C
Page.
7
Page 1
DS-222715
Axial Lead
Zener Diode
1N4728A THRU 1N4761A
1000mW
Axial Lead
Zener
Diodes - 3.3V-75V
Package outline
Features
•
High reliability
•
Very sharp reverse characteristic
•
Wide zener reverse voltage range 3.3V to 75V.
•
Low reverse current level
•
VZ-tolerance±5%
•
Lead-free parts meet environmental standards of
MIL-STD-19500 /228
.111(2.8)
.080(2.0)
DIA.
Formosa MS
DO-41G
1.0(25.4)
MIN.
.178(4.5)
.138(3.5)
Mechanical data
•
Case : Glass, DO-41G
•
Terminals :Plated terminals, solderable per MIL-STD-750,
Method 2026
.033(.85)
.026(.65)
DIA.
1.0(25.4)
MIN.
•
Polarity : Indicated by cathode band
•
Mounting Position : Any
•
Weight : Approximated 0.31 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(at T =25 C unless otherwise noted)
o
A
PARAMETER
Forward voltage
Power dissipation
Thermal resistance
Operating junction temperature range
Storage temperature range
I
F
= 200 mA
Tamb≤50℃
Junction ambient
CONDITIONS
Symbol
V
F
P
D
R
θJA
T
J
T
STG
MIN.
TYP.
MAX.
1.20
1000
UNIT
V
mW
°C/W
100
-65
-65
+175
+175
o
C
C
o
These ratings are limiting values above which the serviceability of the diode may be impaired
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2014/05/23
Revision
C
Page.
7
Page 2
DS-222715
Axial Lead
Zener Diode
Formosa MS
o
A
Electrical characteristics
(at T =25 C unless otherwise noted)
Zener
voltage
Part No.
Marking
code
V
Z
@ I
ZT
(Volts)
Min.
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
3.140
3.420
3.710
4.090
4.470
4.850
5.320
5.890
6.460
7.130
7.790
8.645
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
44.65
48.45
53.20
58.90
64.60
71.25
Nom.
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
47
51
56
62
68
75
Max.
3.470
3.780
4.100
4.520
4.940
5.360
5.880
6.510
7.140
7.880
8.610
9.560
10.5
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
49.35
53.55
58.80
65.10
71.40
78.75
Test
current
I
ZT
mA
76
69
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
5.5
5.0
4.5
4.0
3.7
3.3
Z
ZT
@ I
ZT
(Ω)Max
10
10
9
9
8
7
5
2
3.5
4.0
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
Zener
impedance
Z
ZK
@ I
ZK
(Ω)Max
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
1500
1500
2000
2000
2000
2000
I
ZK
mA
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
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
I
R
(uA)Max
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
5
5
5
5
5
5
5
Leakage
current
V
R
Volts
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
25.4
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
Note : 5% tolerance of Zener voltage
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2014/05/23
Revision
C
Page.
7
Page 3
DS-222715
Rating and characteristic curves (1N4728A THRU 1N4761A)
Figure 1. Temp erature c oeff icie nts
(-55℃
to
+150℃
temperature range; 90% of the units are in the ranges indicated.)
Figure 2. Eff ect of z ener c urren t on z ener i mpedance
Figure 3. Eff ect of z ener voltage
on z
ener i mpedance
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2014/05/23
Revision
C
Page.
7
Page 4
DS-222715
Axial Lead
Zener Diode
1N4728A THRU 1N4761A
Formosa MS
Pinning information
Pin
Pin1
Pin2
cathode
anode
Simplified outline
Symbol
1
2
1
2
Taping & bulk specifications for AXIAL devices
52.4mm
17mm DIA.
55mm Max.
A
72mm DIA.
17mm DIA.
355mm
Max OFF
Alignment
1.2mm
71mm Max.
OFF Center
both sids
1.0mm
6.3mm
REEL PACKING
DEVICE
CASE
TYPE
DO-41G
5,000
Q'TY 1
(PCS / REEL)
COMPONENT
SPACING
"A" in FIG. A
5 mm
CARTON
SIZE
(m/m)
360 * 340 * 370
20,000
Q'TY 2
(PCS / CARTON)
APPROX.
CROSS
WEIGHT(kg)
10.8
AMMO PACKING
DEVICE
CASE
TYPE
DO-41G/52mm
2,500
Q'TY 1
(PCS / BOX)
INNER
BOX SIZE
(m/m)
250 * 76 * 85
CARTON
SIZE
(m/m)
440 * 270 * 340
50,000
Q'TY 2
(PCS / CARTON)
APPROX.
CROSS
WEIGHT(kg)
15.7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2014/05/23
Revision
C
Page.
7
Page 5
DS-222715
电子工程世界
