BL
FEATURES
power rating.
GALAXY ELECTRICAL
ZENER DIODES
U1ZB6.8
- - -
U1ZB390
POWER DISSIPATION:
1.0 W
Silicon planar power zener diodes
For use in stabilizing and clipping curcuits with high
(DO-214AC)SMA
Standard
zener
voltage tolerance is ±10%. Add
suffix "A" for ±5% tolerance. Other
zener
voltage
and tolerances are available upon request.
MECHANICAL DATA
Case:DO-214AC
Terminals: Solderable per MIL-STD-202,
method
208
Polarity: Cathode
band
Marking: Type
number
Weight:
0.002 ounces, 0.064 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
SYMBOL
Zener current (see
Table
"Characteristics")
VALUE
UNIT
Pow er dissipation at T
amb
=25
P
tot
T
J
T
s
1.0
1)
-40---+150
-40---+150
W
Junction temperature
Storage temperature
range
NOTES:
(1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
www.galaxycn.com
Document Number 0284025
BL
GALAXY ELECTRICAL
1.
ELECTRICAL CHARACTERISTICS
(T
A
=25℃)
Nominal Zener Voltage
Type
Device
Marking
Code
Zener Voltage
Vz(V)
Min. Typ. Max.
U1ZB6.8
U1ZB7.5
U1ZB8.2
U1ZB9.1
U1ZB10
U1ZB11
U1ZB12
U1ZB13
U1ZB15
U1ZB16
U1ZB18
U1ZB20
U1ZB22
U1ZB24
U1ZB27
U1ZB30
U1ZB33
U1ZB36
U1ZB43
U1ZB47
U1ZB51
U1ZB68
U1ZB75
U1ZB82
U1ZB100
U1ZB110
U1ZB150
U1ZB180
U1ZB200
U1ZB200-Y
U1ZB200-Z
U1ZB220
U1ZB220-Y
U1ZB220-Z
U1ZB240
U1ZB240-Y
U1ZB240-Z
U1ZB270
U1ZB270-X
U1ZB270-Y
U1ZB270-Z
U1ZB300
U1ZB300-X
U1ZB300-Y
U1ZB300-Z
U1ZB330
U1ZB330-X
U1ZB330-Y
U1ZB330-Z
U1ZB390
ZB6.8
ZB7.5
ZB8.2
ZB9.1
ZB10
ZB11
ZB12
ZB13
ZB15
ZB16
ZB18
ZB20
ZB22
ZB24
ZB27
ZB30
ZB33
ZB36
ZB43
ZB47
ZB51
ZB68
ZB75
ZB82
100
110
150
180
200
200Y
200Z
220
220Y
220Z
240
240Y
240Z
270
270X
270Y
270Z
300
300X
300Y
300Z
330
330X
330Y
330Z
390
6.2
6.8
7.4
8.2
9.0
9.9
10.8
11.7
13.5
14.4
16.2
18.0
19.8
21.6
24.3
27.0
29.7
32.4
38.7
42.3
45.9
61.2
67.5
73.8
90
99
135
162
180
190
200
198
210
220
216
230
240
243
250
260
270
270
280
290
300
297
310
320
330
351
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
43
47
51
68
75
82
100
110
150
180
200
200
210
220
220
230
240
240
250
270
260
270
280
300
290
300
310
330
320
330
340
390
7.4
8.3
9.1
10.1
11.0
12.1
13.2
14.3
16.5
17.6
19.8
22.0
24.2
26.4
29.7
33.0
36.3
39.6
47.3
51.7
56.1
74.8
82.5
90.2
110
121
165
198
220
210
220
242
230
240
264
250
260
297
270
280
290
330
300
310
320
363
330
340
350
429
10000
0.5
5000
0.5
5000
0.5
Zener
Measurement
Impedance
Current
rd(Ω)
Iz
Max.
60
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
40
65
65
120
150
170
300
300
450
500
500
Forward Voltage
Reverse Current
Temperature
Coefficient of
Measurement
Measurement
Zener Voltage
Current
I
R
(µA)
Voltage
V
F
(V)
α
T
(mV/℃)
I
F
V
R
Typ.
3.0
4.0
4.0
5.0
6.0
7.0
8.0
9.0
11
12
14
16
18
20
23
25
26
28
33
38
43
57
66
71
87
96
136
161
170
170
178
200
200
207
215
215
225
243
221
228
236
270
244
253
261
296
270
278
287
350
mA
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9.0
7.0
6.0
6.0
4.0
4.0
3.0
3.0
3.0
2.0
1.5
1.5
Max.
4.0
5.0
6.0
8.0
9.0
11
13
14
17
19
23
26
28
32
36
40
41
45
53
60
68
90
104
113
138
152
212
255
269
269
286
309
309
320
325
325
338
385
350
362
374
428
388
402
415
470
428
441
455
555
Max.
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
A
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
Max.
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
V
3.0
4.5
4.9
5.5
6.0
7.0
8.0
9.0
10
11
13
14
16
17
19
21
26.4
28.8
34.4
37.6
40.8
54.4
60.0
65.4
80
88
120
144
160
160
168
176
176
184
192
216
225
216
234
243
252
240
261
270
279
264
5000
0.5
1.2
0.2
10
5000
0.5
1.2
0.2
10
5000
0.5
1.2
0.2
10
1.2
0.2
10
1.2
0.2
10
288
297
306
1.2
0.2
10
312
www.galaxycn.com
Document Number 0284025
BL
GALAXY ELECTRICAL
2.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- AT Y
Z
- V
Z
TEMPERATURE COEFFICIENT OF
MAXIMUM ALLOWABLE AMBIENT
)
32
U1ZB6.8
- - -
U1ZB390
FIG.2 -- T
A
MAX - P
TEMPERATURE TA MAX ( )
200
160
120
80
40
0
ZENER VOLTAGE AT (mV/
24
γ
Z
16
8
0
α
T
0
10
20
30
40
0.
2
.4
.6
.8
1
1.2
ZENER VOLTAGE VZ (V)
FIG.3 -- P
RSM
- tw
PEAK REVERSE POWER DISSIPATION
2000
RECTANGULAR
WAVEFORM
P
RSM
T
W
T
A
=25
℃
UPPER LIMIT
POWER DISSIPATION P (W)
FIG.4 -- R
θJA
- T
TRANSIENT THERMAL IMPEDANCE
200
100
50
30
10
5
3
1
.5
.3
.1
.001
.01
.1
1
10
100 10000
1000
500
300
RECOMMENDED
100
50
.1
.3
.5
1
3
5
10
PULSE WIDTH TW (ms)
R
θJA
( /W)
P
RSM
(W)
TIME T (S)
www.galaxycn.com
Document Number 0284025
BL
GALAXY ELECTRICAL
3.
