Transys
Electronics
L I M I T E D
1N957B to 1N977B
DO- 35
Glass Axial Package
Hermetically Sealed Glass Package Zener Diodes
ABSOLUTE MAXIMUM RATINGS (T
a
=25ºC unless specified otherwise )
DESCRIPTION
Zener Voltage
Steady State Power Dissipation
Derating Factor above 50ºC
Operating and Storage Temperature
VALUE
6.8 to 47
400
3.2
-65 to +175
UNIT
V
mW
mW/ºC
ºC
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise )
Device * Nominal
(Note 1)
Zener
Voltage
V
Z
@ I
ZT
Zener
Test
Current
I
ZT
Max Zener
Impedance
Z
ZT
@
I
ZT
(Ω )
Ω
4.5
5.5
6.5
7.5
8.5
9.5
11.5
13
16
17
21
25
29
33
41
49
58
70
80
93
105
Z
ZK
@
Z
ZK
(Ω )
Ω
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
I
ZK
(mA)
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
0.25
(µA)
µ
150
75
50
25
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
(Volts)
5.2
5.7
6.2
6.9
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
35.8
(mA)
55
50
45
41
38
32
31
28
25
24
20
18
16
15
13
12
11
10
9.5
8.8
7.9
(mA)
300
275
250
225
200
175
160
150
130
120
110
100
90
80
70
65
60
55
46
44
40
% / ºC
+0.05
+0.058
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.083
+0.085
+0.086
+0.087
+0.088
+0.090
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
Max Reverse
Leakage Current
I
R
@ V
R
VF < 1.5V max @ I
F
=200mA
Max DC
Max. Surge
Zener Current
Current
(Recurrent)
I
Z
( Surge)
I
ZM
Max Temp.
Coefficient
Voltage
Vz
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N969B
1N970B
1N971B
1N972B
1N973B
1N974B
1N975B
1N976B
1N977B
(Volts)
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
(mA)
18.5
16.5
15
14
12.5
11.5
10.5
9.5
8.5
7.8
7.0
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3.0
2.7
Note (1) : Part No. suffix specifies the Tolerance of V
Z
No Suffix = +/- 20%
Suffix A = +/- 10%
* Pulse Condition : 20mS < tp 50mS, Duty Cycle <2%
Suffix B = +/- 5%
1N957B to 1N977B
DO- 35
Glass Axial Package
DO-35 Hermetically Sealed Glass Axial Package
A
B
A
DIM
A
C
D
B
NOTES
1. Cathode is marked by Band.
2. All dimensions are in mm.
C
D
MIN
25.40
3.03
0.46
1.52
MAX
—
4.44
0.56
2.29
DO-35, 52mm Taping Specification
1.05 MAX.
1.5 R MAX.
5.50
4.50
52 mm Taping Specification
1. T & A indicates Axial Tape & Ammo packing (52 mm
Tape Spacing).
2. 300 mm (min) leader tape on every spool.
3. No. of empty places allowed 0.25% without
consecutive empty places.
4. Ends of leads shall preferably not protrude beyond
the tapes.
5. Components shall be held sufficiently in the tape or
tapes so that they can not come free in normal
handling.
LEADER
CENTRE LINE
± 1.05
54.00
50.00
6.0
5.0
52.0
11 DIODES
48.0
All dimensions in mm.
ED
FE
6.0 ±1.
0
52 ±2
.0 .0
6.0 ±1.
0
TAPES
85.0 mm
LABEL
.0 m
255
m
73.
5
mm
DO-35:- 5000 pcs./Ammo Pack
DIODE AMMO PACK
On request also available in 26 mm Tape and Ammo Pack
Packing Detail
PACKAGE
Details
DO-35 T&A
5K/
ammo box
STANDARD PACK
Net Weight/
Qty
0.88 kg/ pcs
5K
Size
10" x 3.5" x 3.5"
INNER CARTON B X
O
Qty
5K
Size
12.7" x 12.7" x 20"
OUTER CARTON B X
O
Qty
125K
Gr Wt
25 kgs
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