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1N5223B  
THRU  
1N5261B  
RECTRON  
SEMICONDUCTOR  
TECHNICAL SPECIFICATION  
500mW 5% DO-35 ZENER DIODE  
Absolute Maximun Ratings (Ta=25oC)  
Dimensions  
Items  
Symbol  
PTOT  
Ratings  
500  
Unit  
mW  
DO-35  
Power Dissipation  
Power Derating  
4.0  
1.2  
mW/oC  
o
(above 75 C)  
2 6 M IN  
0 .45 7  
0 .55 9  
Forward Voltage  
@If = 10 mA  
D IA .  
Vf  
V
Vz Tolerence  
5
%
oC  
oC  
Junction Temp.  
Storage Temp.  
TJ  
-65 to 175  
-65 to 175  
4 .2  
m ax .  
TSTG  
Mechanical Data  
Items  
Package  
2 .0  
m ax .  
D IA .  
Materials  
DO-35  
Case  
Hermetically sealed glass  
2 6 M IN  
Lead/Finish  
Chip  
Double Stud/Solder Plating  
Glass Passivated  
Dimensions in millimeters  
Electrical Characteristics (Ta=25oC)  
TEMP.  
COEFF.  
ZENER  
VOLTAGE  
MAX ZENER  
IMPEDANCE  
MAX ZENER  
IMPEDANCE  
Izt = 0.25mA  
MAXIMUM  
REVERSE  
CURRENT  
TYPE  
dvz  
(%/ oC)  
Vz(V) Izt(mA)  
Rz (ohms) Izt(mA0  
Rz (ohms)  
1300  
1400  
1600  
1600  
1700  
1900  
2000  
1900  
1600  
1600  
1600  
1000  
750  
VR (V) IR (uA)  
1N5223B  
1N5224B  
1N5225B  
1N5226B  
1N5227B  
1N5228B  
1N5229B  
1N5230B  
1N5231B  
1N5232B  
1N5233B  
1N5234B  
1N5235B  
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  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
30  
30  
29  
28  
24  
23  
22  
19  
17  
11  
7
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
2.0  
2.0  
3.0  
3.5  
4.0  
5.6  
75  
75  
50  
25  
15  
10  
5
-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  
5
5
5
5
7
5
5
3
Electrical Characteristics (Ta=25oC)  
TEMP.  
COEFF.  
ZENER  
VOLTAGE  
MAX ZENER  
IMPEDANCE  
MAX ZENER  
IMPEDANCE  
Izt = 0.25mA  
MAXIMUM  
REVERSE  
CURRENT  
TYPE  
dvz  
(%/ oC)  
Vz(V) Izt(mA)  
Rz (ohms) Izt(mA0  
Rz (ohms)  
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  
VR (V) IR (uA)  
1N5236B  
1N5237B  
1N5238B  
1N5239B  
1N5240B  
1N5241B  
1N5242B  
1N5243B  
1N5244B  
1N5245B  
1N5246B  
1N5247B  
1N5248B  
1N5249B  
1N5250B  
1N5251B  
1N5252B  
1N5253B  
1N5254B  
1N5255B  
1N5256B  
1N5257B  
1N5258B  
1N52459B  
1N5260B  
1N5261B  
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  
20  
20  
6
8
20  
20  
20  
6.0  
6.5  
6.5  
7.0  
8.0  
8.4  
9.1  
9.9  
10  
11  
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  
+0.058  
+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  
20  
8
20  
10  
17  
22  
30  
13  
15  
16  
17  
19  
21  
23  
25  
29  
33  
35  
41  
44  
49  
58  
70  
80  
93  
105  
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  
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  
12  
13  
14  
14  
15  
17  
18  
19  
21  
21  
23  
25  
27  
30  
33  
36  
Notes:  
1. The Electrical characteristics are measured after allowinh the device to stabilize for 20 sec. when mounted  
with a 3/8” minimum lead length from the case.  
2. Temperature Coefficient (dvz)  
a. Izt= 7.5ma, T1= 25oC, T2= 125oC (1N5223B - 1N5242B)  
b. Izt= rated Izt, T1= 25oC, T2= 125oC (1N5243B - 1N5261B)