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BL GALAXY ELECTRICAL
ZENER DIODES
U1ZB6.8---U1ZB390
POWER DISSIPATION: 1.0 W
FEATURES
Silicon planar power zener diodes
For use in stabilizing and clipping curcuits with high
power rating.
Standard zener voltage tolerance is ±10%. Add
suffix "A" for ±5% tolerance. Other zener voltage
and tolerances are available upon request.
MECHANICAL DATA
Cas e:DO-214AC
Terminals: Solderable per MIL-STD-202, method 208
Polarity: Cathode band
Marking: Type number
Weight: 0.002 ounces, 0.064 gram
(DO-214AC)SMA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Zener current (see Table "Characteristics")
Pow er dissipation at Tamb=25
Junction temperature
Storage temperature range
NOTES: (1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
SYMBOL
VALUE
Ptot 1.01)
TJ -40---+150
Ts -40---+150
UNIT
W
Document Number 0284025
BLGALAXY ELECTRICAL
1.

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ELECTRICAL CHARACTERISTICS (TA=25 )
Type
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
Device
Marking
Code
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
Nominal Zener Voltage
Zener Voltage
Vz(V)
Zener Measurement
Impedance Current
rd()
Iz
Temperature
Coefficient of
Zener Voltage
αT(mV/ )
Forward Voltage
Reverse Current
Measurement
Measurement
VF(V)
Current
IF
IR(µA)
Voltage
VR
Min. Typ. Max. Max.
mA Typ. Max. Max. A Max. V
6.2 6.8 7.4
6.8 7.5 8.3
7.4 8.2 9.1
8.2 9.1 10.1
9.0 10 11.0
9.9 11 12.1
10.8 12 13.2
11.7 13 14.3
13.5 15 16.5
14.4 16 17.6
16.2 18 19.8
18.0 20 22.0
19.8 22 24.2
21.6 24 26.4
24.3 27 29.7
27.0 30 33.0
29.7 33 36.3
32.4 36 39.6
38.7 43 47.3
42.3 47 51.7
45.9 51 56.1
61.2 68 74.8
67.5 75 82.5
73.8 82 90.2
90 100 110
99 110 121
135 150 165
162 180 198
180 200 220
190 200 210
200 210 220
198 220 242
210 220 230
220 230 240
216 240 264
230 240 250
240 250 260
243 270 297
250 260 270
260 270 280
270 280 290
270 300 330
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
5000
5000
5000
10 3.0 4.0 1.2 0.2 10 3.0
10 4.0 5.0 1.2 0.2 10 4.5
10 4.0 6.0 1.2 0.2 10 4.9
10 5.0 8.0 1.2 0.2 10 5.5
10 6.0 9.0 1.2 0.2 10 6.0
10 7.0 11 1.2 0.2 10 7.0
10 8.0 13 1.2 0.2 10 8.0
10 9.0 14 1.2 0.2 10 9.0
10
11 17 1.2
0.2
10
10
10
12 19 1.2
0.2
10
11
10
14 23 1.2
0.2
10
13
10
16 26 1.2
0.2
10
14
10
18 28 1.2
0.2
10
16
10
20 32 1.2
0.2
10
17
10
23 36 1.2
0.2
10
19
10
25 40 1.2
0.2
10
21
10 26 41 1.2 0.2 10 26.4
9.0 28 45 1.2 0.2 10 28.8
7.0 33 53 1.2 0.2 10 34.4
6.0 38 60 1.2 0.2 10 37.6
6.0 43 68 1.2 0.2 10 40.8
4.0 57 90 1.2 0.2 10 54.4
4.0 66 104 1.2 0.2 10 60.0
3.0 71 113 1.2 0.2 10 65.4
3.0
87 138 1.2
0.2
10
80
3.0
96 152 1.2
0.2
10
88
2.0 136 212 1.2 0.2 10 120
1.5 161 255 1.2 0.2 10 144
170 269
160
1.5 170 269 1.2 0.2 10 160
178 286
168
200 309
176
0.5 200 309 1.2 0.2 10 176
207 320
215 325
184
192
0.5 215 325 1.2 0.2 10 216
225 338
243 385
225
216
0.5
221
228
350
362
1.2
0.2
10
234
243
236 374
252
270 428
240
280 290 300
290 300 310
5000
244 388
261
0.5 1.2 0.2 10
253 402
270
300 310 320
261 415
279
297 330 363
296 470
264
310 320 330
320 330 340
5000
270 428
288
0.5 1.2 0.2 10
278 441
297
330 340 350
287 455
306
351 390 429 10000
0.5 350 555 1.2 0.2 10 312
Document Number 0284025
BLGALAXY ELECTRICAL
2.

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RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- AT YZ - VZ
32
24
16
8
0
0
Z
T
10 20 30
40
ZENER VOLTAGE VZ (V)
FIG.3 -- PRSM - tw
2000
1000
500
300
RECTANGULAR
WAVEFORM
UPPER LIMIT
PRSM
TW
TA =25
RECOMMENDED
100
50
.1
.3 .5
1
3 5 10
PULSE WIDTH TW (ms)
U1ZB6.8---U1ZB390
FIG.2 -- TA MAX - P
200
160
120
80
40
0
0. 2 .4 .6 .8 1 1.2
POWER DISSIPATION P (W)
FIG.4 -- RθJA - T
200
100
50
30
10
5
3
1
.5
.3
.1
.001 .01
.1
1 10 100 10000
TIME T (S)
Document Number 0284025
BLGALAXY ELECTRICAL
3.