ZENER DIODES
1N5221B~1N5261B
Zener Diodes
Features
•
•
•
•
•
Planar Die construction
500mW Power Dissipation
Standard Zener Voltage Tolerance is ± 5 %
Ideally Suited for Automated Assembly Processes
RoHS compliant
DO-35
Mechanical Data
Case:
Terminals:
Polarity:
Weight:
DO-35, Molded Glass
Axial leads, solderable per MIL-STD-202G,
Method 208,
Cathode end indicated by color band
0.13 grams
Dimensions in inch (mm)
Maximum Ratings & Electrical Characteristics
(T
Ambient
=25ºC unless noted otherwise)
Symbol
P
D
VF
TJ
TSTG
Description
Power Dissipation above 25°
C
Forward Voltage
Max. Junction Temperature
Storage Temperature Range
Value
500
1.1
175
-65 to +175
Unit
mW
V
°C
°C
Conditions
I
F= 200mA
TAITRON COMPONENTS INCORPORATED
www.taitroncomponents.com
Tel: (800)-247-2232
Fax: (800)-TAITFA
(800)-TAITRON
(800)-824-8329
(661)-257-6060
(661)-257-6415
Rev. A/WW
Page 1 of 4
Zener Diodes
1N5221B~1N5261B
Normal Zener Voltage
P/N
Nom. V
Z
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
20.0
22.0
24.0
25.0
27.0
28.0
30.0
33.0
36.0
39.0
43.0
47.0
V
Z
@ I
ZT
Min. V
Z
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
Max. V
Z
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
I
ZT (mA)
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
Z
zT
@ I
zT
Ω
25
29
33
35
41
44
49
58
70
80
93
105
Z
zk
@ I
zk
Ω
600
600
600
600
600
600
600
700
700
800
900
1000
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
@ V
R
µA
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
R
15.0
17.0
18.0
19.0
21.0
21.0
23.0
25.0
27.0
30.0
33.0
36.0
Characteristics Curves
PD Max. Power Dissipation (mW)
Ambient Temperature T
a
(°C)
Fig.1 Power Derating Curve
Rev. A/WW
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Zener Diodes
1N5221B~1N5261B
Vz (V)
Iz (mA)
Fig.2 BREAKDOWN CHARACTERISTICS
How to contact us:
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Email:
taitron@taitroncomponents.com
Http://www.taitroncomponents.com
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BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P.
42970 MEXICO
Tel: +52-55-5560-1519
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BRAZIL
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