BILIN 1N4740

BL
GALAXY ELECTRICAL
ZENER DIODES
1N4728 --- 1N4764
POWER DISSIPATION: 1.0 W
FEATURES
DO-41(GLASS)
Silicon planar power zener diodes
For use in stabilizing and clipping circuits with high
power rating.
Standard zener voltage tolerance is ±10%. Add
suffix "A" for ±5% tolerance. other zener voltage
and tolerances are available upon request.
MECHANICAL DATA
Case:DO-41, glass case
Terminals: solderable per MIL-STD-202, method 208
Polarity: cathode band
Marking: type number
Approx. weight: 0.35 grams.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNIT
PDiss
1.01)
W
Z-current
IZ
PV/VZ
mA
Junction temperature
TJ
200
Storage temperature range
Ts
-55---+200
RThJA
100
K/W
TYP
MAX
UNIT
1.2
V
Zener current (see Table "Characteristics")
Pow er dissipation @ Tamb 50
Junction ambient I=9.5mm(3/8 ), TL=constant
SYMBOL
Forw ard voltage at IF=200mA
MIN
VF
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Document Number 0284004
BLGALAXY ELECTRICAL
1.
ELECTRICAL CHARACTERISTICS
(TA=25
)
Max surge
current
8.3ms
Maximum
regulator
current 2)
@V R
[email protected]
=25
IZM @Tamb
=50
(μA )
(V )
(mA )
(mA )
1.0
100
1
1380
276
1.0
100
1
1260
252
1.0
50
1
1190
234
400
1.0
10
1
1070
217
8
500
1.0
10
1
970
193
49
7
550
1.0
10
1
890
178
5.6
45
5
600
1.0
10
2
810
462
1N4735
6.2
41
2
700
1.0
10
3
730
146
1N4736
6.8
37
3.5
700
1.0
10
4
660
133
1N4737
7.5
34
4.0
700
0.5
10
5
605
121
1N4738
8.2
31
4.5
700
0.5
10
6
550
110
1N4739
9.1
28
5.0
700
0.5
10
7
500
100
1N4740
10
25
7
700
0.25
10
7.6
454
91
1N4741
11
23
8
700
0.25
5
8.4
414
83
1N4742
12
21
9
700
0.25
5
9.1
380
76
1N4743
13
19
10
700
0.25
5
9.9
344
69
1N4744
15
17
14
700
0.25
5
11.4
304
61
1N4745
16
15.5
16
700
0.25
5
12.2
285
57
1N4746
18
14
20
750
0.25
5
13.7
250
50
1N4747
20
12.5
22
750
0.25
5
15.2
225
45
1N4748
22
11.5
23
750
0.25
5
16.7
205
41
1N4749
24
10.5
25
750
0.25
5
18.2
190
38
1N4750
27
9.5
35
750
0.25
5
20.6
170
34
1N4751
30
8.5
40
1000
0.25
5
22.8
150
30
1N4752
33
7.5
45
1000
0.25
5
25.1
135
27
1N4753
36
7.0
50
1000
0.25
5
27.4
125
25
1N4754
39
6.5
60
1000
0.25
5
29.7
115
23
1N4755
43
6.0
70
1500
0.25
5
32.7
110
22
1N4756
47
5.5
80
1500
0.25
5
35.8
95
19
1N4757
51
5.0
95
1500
0.25
5
38.8
90
18
1N4758
56
4.5
110
2000
0.25
5
42.6
80
16
1N4759
62
4.0
125
2000
0.25
5
47.1
70
14
1N4760
68
3.7
150
2000
0.25
5
51.7
65
13
1N4761
75
3.3
175
2000
0.25
5
56.0
60
12
1N4762
82
3.0
200
3000
0.25
5
62.2
55
11
1N4763
91
2.8
250
3000
0.25
5
69.2
50
10
1N4764
100
2.5
350
3000
0.25
5
79.0
45
9
Nominal
zener
voltage 1)
Test
current
V [email protected]
IZT
IZT @Z ZT
Z [email protected]
IZK
IR
(V )
(mA )
(Ω)
(Ω)
(m A)
1N4728
3.3
76
10
400
1N4729
3.6
69
10
400
1N4730
3.9
64
9
400
1N4731
4.3
58
9
1N4732
4.7
53
1N4733
5.1
1N4734
Maximum dynamic impedance
Maximum reverse
leakage current
Type
1)Based on dc_m easurem ent at theral equilibrium while m aitaining the lead tem perature (TL) at 30
+1
,9.5m m (3/8")f rom the D iode body .
2)Valid prov ided that electrodes at a distance of 10 m m f orm case kept at am bient tem perature.
*)Additionnal m easurem ent of v oltage gruup 9v 1 to 75 at 95% V ZMIN
35nA at TJ25
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Document Number 0284004
BLGALAXY ELECTRICAL
2.
RATINGS AND CHARACTERISTIC CURVES
1N4728 -- 1N4764
FIG.1 -- BREAKDOWN CHARACTERISTICS
mA
5
100
15
10
20
25
30 V
80
IZ
60
40
20
1N4750
1N4749
1N4748
1N4747
1N4744
1N4741
1N4742
1N4739
1N4735
1N4733
1N4732
1N4731
1N4728
0
VZ
FIG.2 -- ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE
W
1.0
0.8
Ptot
0.6
0.4
0.2
0
0
100
200℃
Tamb
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Document Number 0284004
BLGALAXY ELECTRICAL
3.