LL-41
DL4728A
THRU
DL4764A
2009-02
ELECTRICAL CHARACTERISTICS ( @ TA = 25oC unless otherwise noted )
DL4728A
DL4729A
DL4730A
ZENER
VOLTAGE
MAX ZENER
IMPEDANCE
@IzT
MAX ZENER
IMPEDANCE
@Izk
MAX IMUM
REVERSE
CURRENT
MAX IMUM
REGULATOR
CURRENT
Vz(V) Izt(mA)
3.3
3.6
6.2
3.9
SURFACE MOUNT M.E.L.F
ZENER DIODE
Dimensions in inches and (millimeters)
4.3
5.1
DL4731A
DL4732A
DL4733A
DL4734A
DL4735A
DL4736A
DL4737A
DL4738A
DL4739A
4.7
TYPE
5.6
6.8
7.5
8.2
9.1
76
69
41
64
58
49
53
45
37
34
31
28
ZzT(W) IzT(mA)
10
10
2
9
9
7
8
5
3.5
4
4.5
5
76
69
41
64
58
49
53
45
37
34
31
28
ZzK(W) IzK(mA)
400
400
700
400
400
550
500
600
700
700
700
700
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
VR(V) IR(uA)
1.0
1.0
3.0
1.0
1.0
1.0
1.0
2.0
4.0
5.0
6.0
7.0
100
100
10
50
10
10
10
10
10
10
10
10
IzM(mA)
276
252
146
234
217
178
193
162
133
121
110
100
MAXIMUN RATINGS ( @ TA = 25oC unless otherwise noted )
Power Dissipation
Thermal Resis
Tolarance
SYMBOL Ratings
1
170
5
-65 to 200
PTOT
RthJA
-
UNITS
W
K / W
%
Vf
Tstg
V
oC
Forward Voltage@If = 100mA
Junction Temp
Storage Temp
TJ
CHARACTERISTICS
1.0
200
oC
2 Places (0.216)5.6
(0.198)4.8
(0.110)2.80
(0.094)2.40
(0.024)0.60
(0.018)0.46
FEATURES
MECHANICAL DATA
*
*
*
*
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All external surfaces are corrosion resistant and leads
are readily solderable
*
*
*
Package : LL-41 (MELF)
Case : Hermetically Sealed Glass
Lead : Tin
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
oC ambient temperature unless otherwise specified.
typ
2009-02
ELECTRICAL CHARACTERISTICS ( @ TA = 25oC unless otherwise noted )
DL4740A
DL4741A
DL4742A
10
11
20
12
13
16
DL4743A
DL4744A
DL4745A
DL4746A
DL4747A
DL4748A
DL4749A
DL4750A
DL4751A
DL4752A
DL4753A
DL4754A
DL4755A
DL4756A
DL4757A
DL4758A
DL4759A
DL4760A
DL4761A
DL4762A
DL4763A
DL4764A
15
18
22
24
27
30
51
33
36
43
39
47
56
62
68
75
82
91
100
12.5
21
19
15.5
17
14
11.5
10.5
9.5
8.5
5.0
7.5
7.0
6.0
6.5
5.5
4.5
4.0
3.7
3.3
3.0
2.8
2.5
22
9
10
16
14
20
23
25
35
40
95
45
50
70
60
80
110
125
150
175
200
250
350
750
700
700
750
750
750
750
1000
1500
1000
1000
1500
1000
1500
2000
2000
2000
2000
3000
3000
3000
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.25
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
15.2
9.1
9.9
12.2
11.4
13.7
16.7
18.2
20.6
22.8
38.8
25.1
27.4
32.7
29.7
35.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
45
76
69
57
61
50
41
38
34
30
18
27
25
22
23
19
16
14
13
12
11
10
9
25
23
12.5
21
19
15.5
17
14
11.5
10.5
9.5
8.5
5.0
7.5
7.0
6.0
6.5
5.5
4.5
4.0
3.7
3.3
3.0
2.8
2.5
25
23
7
8
700
700
700
700
0.25
0.25
7.6
8.4
10
5
91
83
Note : "Fully ROHS compliant", "100% Sn plating (Pb-free)".
ZENER
VOLTAGE
MAX ZENER
IMPEDANCE
@IzT
MAX ZENER
IMPEDANCE
@Izk
MAX IMUM
REVERSE
CURRENT
MAX IMUM
REGULATOR
CURRENT
Vz(V) Izt(mA)
TYPE
ZzT(W) IzT(mA) ZzK(W) IzK(mA) VR(V) IR(uA) IzM(mA)
INSTANTANTEOUS FORWARD VOLTAGE, (V)
0.6
10
0.4
1
0.1
0.01 10.8 1.2 1.4 1.6
RATING AND CHARACTERISTICS CURVES ( DL4728A THRU DL4764A )
FIG.3 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANTEOUS FORWARD CURRENT, (A)
AMBIENT TEMPERATURE, (OC)
DYNAMIC ZENER IMPEDANCE, (W)
25
1.25
00
1.00
0.75
0.50
0.25
7550 175 200100 125 150
FIG.1 ADMISSIBLE POWER DISSIPATION vs.
AMBIENT TEMPERATURE
ZENER TEST CURRENT, (mA)
ADMISSIBLE POWER DISSIPATION, (W)
0.1
10
1000
10000
100
1 10
FIG.2 TYPICAL ZENER IMPEDANCE
V
Z
= 100 V
T
J
= 25
O
C
Pulse Width = 300uS
1% Duty Cycle
PERCENT OF RATED ZENER VOLTAGE, (%)
20
10
0
1
0.1
0.01 6040 80 100
FIG.4 TYPICAL REVERSE CHARACTERISTICS
INSTANTANTEOUS REVERSE CURRENT, (uA)
TJ = 100 °C
TJ = 25 °C
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specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
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