EIC 1N4731

1N4728 - 1N4764
Z1110 - Z1200
SILICON ZENER DIODES
DO - 41
VZ : 3.3 - 200 Volts
PD : 1 Watt
FEATURES :
1.00 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
* Complete voltage range 3.3 to 200 Volts
* High peak reverse power dissipation
* High reliability
* Low leakage current
0.205 (5.2)
0.166 (4.2)
MECHANICAL DATA
1.00 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
* Case : DO-41 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.339 gram
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS
Rating at 25 °C ambient temperature unless otherw ise specified
Rating
Symbol
Value
Unit
DC Power Dissipation at TL = 50 °C (Note1)
PD
1.0
Watt
Maximum Forward Voltage at IF = 200 mA
VF
1.2
Volts
RθJA
170
K/W
Junction Temperature Range
TJ
- 55 to + 175
°C
Storage Temperature Range
Ts
- 55 to + 175
°C
Maximum Thermal Resistance Junction to Ambient Air (Note2)
PD, MAXIMUM DISSIPATION
(WATTS)
Note :
(1) TL = Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
Fig. 1 POWER TEMPERATURE DERATING CURVE
1.25
L = 3/8" (9.5mm)
1.00
0.75
0.50
0.25
0
25
50
75
100
125
TL, LEAD TEMPERATURE (°C)
150
175
UPDATE : SEPTEMBER 9, 2000
ELECTRICAL CHARACTERISTICS
Rating at = 25 ° C ambient temperature unless otherwise specified
TYPE
1N4728
1N4729
1N4730
1N4731
1N4732
1N4733
1N4734
1N4735
1N4736
1N4737
1N4738
1N4739
1N4740
1N4741
1N4742
1N4743
1N4744
1N4745
1N4746
1N4747
1N4748
1N4749
1N4750
1N4751
1N4752
1N4753
1N4754
1N4755
1N4756
1N4757
1N4758
1N4759
1N4760
1N4761
1N4762
1N4763
1N4764
Z1110
Z1120
Z1130
Z1150
Z1160
Z1180
Z1200
Nominal Zener
Voltage
VZ @ IZT
IZT
(V)
(mA)
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
110
120
130
150
160
180
200
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
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
2.3
2.0
1.9
1.7
1.6
1.4
1.2
ZZT @ IZT
(Ω)
Maximum Zener
Impedance
ZZK @ IZK
(Ω)
IZK
(mA)
Maximum Reverse
Leakage Current
IR @ VR
(V)
(µ A)
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
450
550
700
1000
1100
1200
1500
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
4000
4500
5000
6000
6500
7000
8000
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
100
100
50
10
10
10
10
10
50
50
50
50
50
50
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
5.0
5.0
5.0
5.0
5.0
5.0
Note :
( 1 ) The type number listed have a standard tolerance on the nominal zener voltage of ± 10%.
A standard tolerance of ± 5% on individual units is also available and is indicated by suffixing
"A" to the standard type number.
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
83.6
91.2
98.8
114.0
121.6
136.8
152.0
Maximum DC
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
8.6
7.8
7.0
6.4
5.8
5.2
4.7