DL4740A [DCCOM]
TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES; 作者：玻璃硅稳压二极管技术规格
| 型号： | DL4740A |
| 厂家： | 
DC COMPONENTS |
| 描述： | TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES |
| 文件： | 总2页 (文件大小：190K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DL4728A
DC COMPONENTS CO., LTD.
THRU
RECTIFIER SPECIALISTS
R
DL4754A
TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:3.3V to 39V
* Double slug type construction
DL-41
MECHANICAL DATA
* Case: Glass sealed case
* Terminals:Solder plated, solderable per
MIL-STD-750, Method 2026
5.0±0.2
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.35 gram
CATHODE MARK
0.4
2.4+0.1
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in millimeters
VALUE
SYMBOL
UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25oC
Ptot
Tj
1(1)
175
W
oC
Junction Temperature
Storage Temperature Range
Tstg
-55 to + 200
oC
K/mW
Typ.
Min.
Max.
Volts
Typ.
Min.
Max.
Thermal Resistance
RthA
-
-
Junction to Ambient Air
170(1)
Forward Voltage
at IF=200mA
VF
-
-
1.2
1)Valid Provided that leads are kept at ambient temperature at a distance of 10 mm from case.
NOTE: Suffix "A" indicates Zener Voltage Tolerance ± 5%
300
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RATING AND CHARACTERISTIC CURVES (DL4728A THRU DL4754A)
Nominal
Zener
Voltage
VZ@IZT
Volts
3.3
Test
Current
IZT
Maximum Zener
Impedance
Maximum Reverse Max. Surge Maximum
IZK
Regulator
Current
Current
Leakage Current
IR
ZZT@IZT ZZT@IZK
IR
@VR
Volts
1.0
IZM
mA
276
mA
Ohms
10
10
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
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
uA
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
DL4728A
DL4729A
DL4730A
DL4731A
DL4732A
DL4733A
DL4734A
DL4735A
DL4736A
DL4737A
DL4738A
DL4739A
DL4740A
DL4741A
DL4742A
DL4743A
DL4744A
DL4745A
DL4746A
DL4747A
DL4748A
DL4749A
DL4750A
DL4751A
DL4752A
DL4753A
DL4754A
100
1380
1260
1170
1085
965
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
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
100
50
10
10
10
10
10
10
10
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
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
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
14
16
20
22
23
25
35
40
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
38
34
30
27
25
23
45
50
60
36
39
Admissible power dissipation
versus ambient temperature
Valid provided that leads are kept at ambient
temperature at a distance of 10mm from case
Breakdown characteristics
DL47-SERIES
W
mA
5V
10V
15V
20V
25V
30V
1.0
240
0.8
0.6
0.4
0.2
0
200
IZ
160
120
80
0
0
100
200o C
Tamb
VZ
DC COMPONENTS CO., LTD.
R
301
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