
MCC 
PART 
NUMBER 
DL5221
DL5222
DL5223
DL5224
DL5225
DL5226
DL5227
DL5228
DL5229
DL5230
DL5231
DL5232
DL5233
DL5234
DL5235
DL5236
DL5237
DL5238
DL5239
DL5240
DL5241
DL5242
DL5243
DL5244
DL5245
DL5246
DL5247
DL5248
DL5249
DL5250
DL5251
DL5252
DL5253
DL5254
DL5255
DL5256
DL5257
DL5258
DL5259
DL5260
DL5261
DL5262
DL5263
DL5264
DL5265
DL5266
DL5267
DL5268
DL5269
DL5270
DL5271
DL5272
DL5273
DL5274
DL5275
DL5276
DL5277
DL5278
DL5279
DL52
80
DL52
81
NOMINAL ZENER 
VOLTAGE V
Z
 @ I
ZT
TEST 
CURRENT I
ZT
MAXIMUM ZENER IMPEDANCE 
‘B’ SUFFIX ONLY 
Z
ZT
 @ I
ZT
       Z
ZK
 @I
ZK
 = 0.25mA 
OHMS 
30 
30 
30 
30 
29 
28 
24 
23 
22 
19 
17 
11 
7.0 
7.0 
5.0 
6.0 
8.0 
8.0 
10 
17 
22 
30 
13 
15 
16 
17 
19 
21 
23 
25 
29 
33 
35 
41 
44 
49 
58 
70 
80 
93 
105 
125 
150 
170 
185 
230 
270 
330 
370 
400 
500 
750 
900 
1100 
1300 
1500 
1700 
1900 
2200 
24
00 
2
5
00 
MAXIMUM REVERSE 
LEAKAGE CURRENT 
I
R
     @     V
R
μ
A 
100 
100 
75 
75 
50 
25 
15 
10 
5.0 
5.0 
5.0 
5.0 
5.0 
5.0 
3.0 
3.0 
3.0 
3.0 
3.0 
3.0 
2.0 
1.0 
0.5 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
0.1 
MAX. ZENER VOLTAGE 
TEMP COEFFICIENT ‘B’ 
SUFFIX ONLY 
% / 
°
C 
-0.085 
-0.085 
-0.080 
-0.080 
-0.075 
-0.070 
-0.065 
-0.060 
±
0.055 
±
0.030 
±
0.030 
+0.038 
+0.038 
+0.045 
+0.050 
+0.058 
+0.062 
+0.065 
+0.068 
+0.075 
+0.076 
+0.077 
+0.079 
+0.082 
+0.082 
+0.083 
+0.084 
+0.085 
+0.086 
+0.086 
+0.087 
+0.088 
+0.089 
+0.090 
+0.091 
+0.091 
+0.092 
+0.093 
+0.094 
+0.095 
+0.095 
+0.096 
+0.096 
+0.097 
+0.097 
+0.097 
+0.098 
+0.098 
+0.099 
+0.099 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
+0.110 
VOLTS 
2.4 
2.5 
2.7 
2.8 
3.0 
3.3 
3.6 
3.9 
4.3 
4.7 
5.1 
5.6 
6.0 
6.2 
6.8 
7.5 
8.2 
8.7 
9.1 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
22 
24 
25 
27 
28 
30 
33 
36 
39 
43 
47 
51 
56 
60 
62 
68 
75 
82 
87 
91 
100 
110 
120 
130 
140 
150 
160 
170 
180 
1
9
0 
200
mA 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
20 
9.5 
9.0 
8.5 
7.8 
7.4 
7.0 
6.6 
6.2 
5.6 
5.2 
5.0 
4.6 
4.5 
4.2 
3.8 
3.4 
3.2 
3.0 
2.7 
2.5 
2.2 
2.1 
2.0 
1.8 
1.7 
1.5 
1.4 
1.4 
1.3 
1.1 
1.0 
0.95 
0.90 
0.85 
0.80 
0.74 
0.68 
0.
66
0.6
5
OHMS 
1200 
1250 
1300 
1400 
1600 
1600 
1700 
1900 
2000 
1900 
1600 
1600 
1600 
1000 
750 
500 
500 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
600 
700 
700 
800 
900 
1000 
1100 
1300 
1400 
1400 
1600 
1700 
2000 
2200 
2300 
2600 
3000 
4000 
4500 
4500 
5000 
5500 
5500 
6000 
6
500 
7
000 
VOLTS 
1.0 
1.0 
1.0 
1.0 
1.0 
1.0 
1.0 
1.0 
1.0 
2.0 
2.0 
3.0 
3.5 
4.0 
5.0 
6.0 
6.5 
6.5 
7.0 
8.0 
8.4 
9.1 
9.9 
10 
11 
12 
13 
14 
14 
15 
17 
18 
19 
21 
21 
23 
25 
27 
30 
33 
36 
39 
43 
46 
47 
52 
56 
62 
68 
69 
76 
84 
91 
99 
106 
114 
122 
129 
137 
1
44
1
52
NOTE
1: Table as shown lists type numbers, which indicate a tolerance of ±20% with guaranteed limits on only Vz, I
R
, and V
F
. Devices with 
guaranteed limits on all six parameters are  indicated by suffix “A” for ±10%, “B” for ±5%, “C” for ±2%, and “D” for ±1% tolerance
NOTE
2: The electrical characteristics are measured after allowing the device to stabilize for 20 seconds. 
NOTE
3: Temperature coefficient (á
VZ
). Test conditions for temperature coefficient are as follows: 
a. 
I
ZT 
= 7.5mA, T
I 
= 25
C T
2
 = 125
C (DL5221 thru DL5242) 
b. 
I
ZT
 = Rated I
ZT
, T
I
 = 25
o
C, T
2
 = 125
C (DL5243 thru DL5281) 
Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature.
www.
mc c semi
.c om
M C C
DL5221 thru DL5281