
METALLURGICALLY BONDED GLASS
SURFACE MOUNT 500 mW ZENERS
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
1N5221UR-1 thru 1N5281BUR-1,e3
(or MLL5221-1 thru MLL5281B-1,e3)
1N5
221
UR
thru
1N5281
BUR
ELECTRICAL CHARACTERISTICS*
Max Reverse Leakage Current
Nominal
Zener
Voltage
VZ @ IZT
(Note 2)
Test
Current
IZT
Max Zener Impedance
A and B suffix only
A and B Suffix only
Non-Suffix
Max Zener Voltage
Temperature Coeff.
(A and B Suffix only)
(Note 3)
@
VR
Volts
INDUSTRY
PART
NUMBER
(NOTES 1 & 4)
Volts
mA
ZZT @ IZT
Ohms
ZZK @ IZK =
0.25Ma Ohms
IR
μA
A
B
IR @ VR Used
for Suffix A
μA
α
VZ (%/
oC)
1N5221UR-1
1N5222UR-1
1N5223UR-1
1N5224UR-1
1N5225UR-1
2.4
2.5
2.7
2.8
3.0
20
30
29
1200
1250
1300
1400
1600
100
75
50
0.95
1.0
200
150
100
-0.085
-0.080
-0.075
1N5226UR-1
1N5227UR-1
1N5228UR-1
1N5229UR-1
1N5230UR-1
3.3
3.6
3.9
4.3
4.7
20
28
24
23
22
19
1600
1700
1900
2000
1900
25
15
10
5.0
0.95
1.9
1.0
2.0
100
75
50
-0.070
-0.065
-0.060
+/-0.055
+/-0.030
1N5231UR-1
1N5232UR-1
1N5233UR-1
1N5234UR-1
1N5235UR-1
5.1
5.6
6.0
6.2
6.8
20
17
11
7.0
5.0
1600
1000
750
5.0
3.0
1.9
2.9
3.3
3.8
4.8
2.0
3.0
3.5
4.0
5.0
50
30
+/-0.030
+0.038
+0.045
+0.050
1N5236UR-1
1N5237UR-1
1N5238UR-1
1N5239UR-1
1N5240UR-1
7.5
8.2
8.7
9.1
10
20
6.0
8.0
10
17
500
600
3.0
5.7
6.2
6.7
7.6
6.0
6.5
7.0
8.0
30
+0.058
+0.062
+0.065
+0.068
+0.075
1N5241UR-1
1N5242UR-1
1N5243UR-1
1N5244UR-1
1N5245UR-1
11
12
13
14
15
20
9.5
9.0
8.5
22
30
13
15
16
600
2.0
1.0
0.5
0.1
8.0
8.7
9.4
9.5
10.5
8.4
9.1
9.9
10
11
30
10
+0.076
+0.077
+0.079
+0.082
1N5246UR-1
1N5247UR-1
1N5248UR-1
1N5249UR-1
1N5250UR-1
16
17
18
19
20
7.8
7.4
7.0
6.6
6.2
17
19
21
23
25
600
0.1
11.4
12.4
13.3
14.3
12
13
14
15
10
+0.083
+0.084
+0.085
+0.086
1N5251UR-1
1N5252UR-1
1N5253UR-1
1N5254UR-1
1N5255UR-1
22
24
25
27
28
5.6
5.2
5.0
4.6
4.5
29
33
35
41
44
600
0.1
16.2
17.1
18.1
20
17
18
19
21
10
+0.087
+0.088
+0.089
+0.090
+0.091
1N5256UR-1
1N5257UR-1
1N5258UR-1
1N5259UR-1
1N5260UR-1
30
33
36
39
43
4.2
3.8
3.4
3.2
3.0
49
58
70
80
93
600
700
800
900
0.1
22
24
26
29
31
23
25
27
30
33
10
+0.091
+0.092
+0.093
+0.094
+0.095
1N5261UR-1
1N5262UR-1
1N5263UR-1
1N5264UR-1
1N5265UR-1
47
51
56
60
62
2.7
2.5
2.2
2.1
2.0
105
125
150
170
185
1000
1100
1300
1400
0.1
34
37
41
44
45
36
39
43
46
47
10
+0.095
+0.096
+0.097
1N5266UR-1
1N5267UR-1
1N5268UR-1
1N5269UR-1
1N5270UR-1
68
75
82
87
91
1.8
1.7
1.5
1.4
230
270
330
370
400
1600
1700
2000
2200
2300
0.1
49
53
59
65
66
52
56
62
68
69
10
+0.097
+0.098
+0.099
1N5271UR-1
1N5272UR-1
1N5273UR-1
1N5274UR-1
1N5275UR-1
100
110
120
130
140
1.3
1.1
1.0
.95
.90
500
750
900
1100
1300
2600
3000
4000
4500
0.1
72
80
86
94
101
76
91
99
106
10
+0.0110
1N5276UR-1
1N5277UR-1
1N5278UR-1
1N5279UR-1
1N5280UR-1
150
160
170
180
190
.85
.80
.74
.68
.66
1500
1700
1900
2200
2400
5000
5500
6000
6500
0.1
108
116
130
137
114
122
129
137
144
10
+0.0110
1N5281UR-1
200
.65
2500
7000
0.1
144
152
10
+0.0110
Microsemi
Scottsdale Division
Page 2
* TA = 25
oC unless otherwise noted. Based on dc measurements at thermal equilibrium; case temperature maintained at 30 +/- 2oC. VF = 1.1V max @ IF = 200 mA
for all types. See further Notes on following page.
Copyright
2005
8-29-2005 REV A
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503