CHENDA DL4728A

DL47-SERIES
ZENER DIODES
Zener Voltage: 3.3-100V Peak Pulse Power: 1.0W
FEATURE
Low zener impedance
Low regulation factor
Glass passivated junction
High temperature soldering guaranteed:
260 C/10S at terminals
DL-41
0.100(2.55)
0.093(2.35)
0.020(0.5)
0.012(0.3)
0.020(0.5)
0.012(0.3)
0.205(5.2)
0.189(4.8)
MECHANICAL DATA
Case: DL-41 molded glass body
Terminals: Plated leads, solderable per MIL-STD 750,
method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce,0.33 grams
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog Number
SYMBOLS
VALUE
UNITS
Ptot
1000
mW
Tj
175
C
Storage Temperature Range
TSTG
-65 to + 175
C
Thermal resistance junction ambient(Note 1
RθJA
0.3
K/W
VF
1.1
V
Zener Current see Table Characteristics
Power Dissipation at Tamb=25 C(Note 1)
Junction Temperature
Forward voltage at IF=200mA
Note 1: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
MDD ELECTRONIC
ELECTRICAL CHARACTERISTICS (at TA=25 C unless otherwise noted)
Device Type
Nominal
Zener
Voltage
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Volts
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
DL4755A
DL4756A
DL4757A
DL4758A
DL4759A
DL4760A
DL4761A
DL4762A
DL4763A
DL4764A
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
82
91
100
Maximum Zener Maximum Reverse
Test
Leakage Current
Impedance
Current
IZT
@VR
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IR
µA
Ohms Ohms
mA
Volts
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
3.0
2.8
2.5
10
10
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
45
50
60
70
80
95
110
125
150
175
200
250
350
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
3000
3000
3000
100
100
50
10
10
10
10
10
10
10
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
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
mA
mA
Maximum
Regulator
Current
IZM
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
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
110
95
90
80
70
65
60
55
50
45
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9
IZK
Note 1: Suffix “A” indicate +5% tolerance
MDD ELECTRONIC
Max.Surge
Current
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RATINGS AND CHARACTERISTIC CURVES DL47 SERIES
Breakdown characteristics
5
mA
10
15
20
25
30
V
80
60
40
20
DL4750
DL4749
DL4748
DL4747
DL4744
DL4742
DL4741
DL4739
DL4735
DL4733
DL4732
DL4731
DL4728
0
Vz,ZENER VOLTAGE,volts
Admissible power dissipation versus ambient temperature
Valid provided that leads are kept at ambient temperature at a distance of 10mm from case
Ptot,POWER DISSIPATION,WATTS
Iz,TEST CURRENT,MILLIAMPERS
100
W
1.0
0.8
0.6
0.4
0.2
0
0
100
AMBIENT TEMPERATURE, C
MDD ELECTRONIC
200 C