SECOS DL4741A

Surface Mount Zener Diode
DL47 Series
RoHS Compliant Product
A suffix of "-C" specifies halogen & lead-free
Type
Number
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
Nominal
Zener
Voltage
Vz at Izt*
Test
Current
IzT
Volts
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
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
3
2.8
2.5
Maximum Zener Impedance
1W, MELF
Maximum Reverse
Leakage Current
ZzT at IzT
Zzk at IzK
IzK
IR
Test-Voltage
Suffix B
Ω
10
10
9
9
8
7
5
2
3.5
4
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
200
250
300
Ω
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
mA
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
0.25
µA
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
5
5
5
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
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
Surge
Current
IR
At Ta=25℃
Maximum
Regulator
Current
IzM
mA
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
mA
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
Standard Voltage Tolerance is ± 5 %
Measured with Pulses Tp = 40m Sec.
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 1 of 2
● Absolute
Maximum Ratings
Characteristic
Symbol
Value
Zener Current see Table “Characteristics”
Power Dissipation at Tamb=25℃
Ptot
1*
Junction Temperature
Tj
200
Storage Temperature Range
Ts
-65 to +200
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
● Characte
Unit
W
℃
℃
ristic at Tamb=25℃
Symbol
Min.
Typ.
Thermal Resistance Junction to Ambient Air
RθA
Forward Voltage At IF=200mA
VF
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Max.
170*
1.2
Unit
K/mW
V
Breakdown Characteristics
15
20
DL4747
10
DL4744
5
25
30
100
80
60
40
20
0
DL4750
DL4749
DL4748
DL4742
DL4741
DL4739
DL4735
DL4733
DL4732
DL4731
DL4728
Admissible power dissipation versus ambient temperature
Valid provided that leads are kept at ambient temperature at distance of 10 mm from case
W
1.0
0.8
Ptot
0.6
MELF
200 ℃
100
5.0~5.5
1.0
0.3~0.5
2.5~2.8
0.2
0.3~0.5
0.4
Tamb
Dimensions in mm
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 2 of 2