ZENER DIODE. ZM4734A Datasheet

ZM4734A DIODE. Datasheet pdf. Equivalent


Part ZM4734A
Description 1W EPITAXIAL ZENER DIODE
Feature ZM4728A THRU ZM4764A 1W EPITAXIAL ZENER DIODE FEATURES • Low profile package • Built-in strain reli.
Manufacture KD
Datasheet
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ZM4734A
ZM4728A THRU ZM4764A
1W EPITAXIAL ZENER DIODE
FEATURES
Low profile package
Built-in strain relief
Low inductance
High temperature soldering : 260°C /10 seconds at terminals
Glass package has Underwriters Laboratory Flammability
Classification
In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
Case: Molded Glass LL-41
Terminals: Axial leads, solderable per MIL-STD-750,
Method 2026 guaranteed
Polarity: Color band denotes positive end
Mounting position:Any
Weight: 0.25 gram
A
C
B
MELF
Dim Min
A 4.80
B 2.40
C 0.46
Max
5.20
2.67
0.60
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25)
Symbols
Zener current see table "Characteristics"
Power dissipation at TA=50
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1)Valid provided that a distance of 8mm from case are kept at ambient temperature
Value
1 1)
175
-65 to +200
Units
W
ELECTRCAL CHARACTERISTICS(TA=25)
Symbols
Min
Thermal resistance junction to ambient
RthA
Forward voltage at IF=200mA
VF
1) Valid provided that a distance at 8mm from case are kept at ambient temperature
Typ Max Units
170 1)
/W
1.2 V



ZM4734A
ZM4728A THRU ZM4764A
1W EPITAXIAL ZENER DIODE
Type
Number
ZM4728A
ZM4729A
ZM4730A
ZM4731A
ZM4732A
ZM4733A
ZM4734A
ZM4735A
ZM4736A
ZM4737A
ZM4738A
ZM4739A
ZM4740A
ZM4741A
ZM4742A
ZM4743A
ZM4744A
ZM4745A
ZM4746A
ZM4747A
ZM4748A
ZM4749A
ZM4750A
ZM4751A
ZM4752A
ZM4753A
ZM4754A
ZM4755A
ZM4756A
ZM4757A
ZM4758A
ZM4759A
ZM4760A
ZM4761A
ZM4762A
ZM4763A
ZM4764A
Nominal
Zener
Voltage (1)
VZ @ IZT
V
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
Test
Current
IZT
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
3.0
2.8
2.5
Maximum Zener Impedance (2)
ZZT @ IZT ZZK @ IZK
10 400
10 400
9.0 400
9.0 400
8.0 500
7.0 550
5.0 600
2.0 700
3.5 700
4.0 700
4.5 700
5.0 700
7.0 700
8.0 700
9.0 700
10 700
14 700
16 700
20 750
22 750
23 750
25 750
35 750
40 1000
45 1000
50 1000
60 1000
70 1500
80 1500
95 1500
110 2000
125 2000
150 2000
175 2000
200 3000
250 3000
350 3000
IZK
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
Maximum Reverse
Leakage Current
IR
µA
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
@ VR
V
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
Max Surge
Current
8.3ms
IZS
mA
1380
1260
1190
1070
970
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
Maximum
Zener
Current
IZM
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
9.0
Notes:
1. Measured under thermal equilibrium and DC (IZT) test conditions.
2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to
10% of the Zener current (IZT or IZK) is superimposed on IZTor IZK .Zener impedance is measured at two points to insure a
sharp knee on the breakdown curve and to eliminate unstable units.







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