Axial Leaded Glass Zener Diode
Comchip
S M D D i o d e S p e c i a l i s t
1N5221B-G Thru. 1N5267B-G
Voltage: 2.4 to 75 Volts
Power: 0.5 Watts
RoHS Device
DO-35
Features
-500mW power dissipation
1.02(26.00) Min.
-Stabilizing voltage.
0.165(4.20)Max.
Mechanical data
0.079(2.00)Max.
-Case: Glass, DO-35
1.02(26.00) Min.
-Polarity: Indicated by cathode band
0.022(0.55)Max.
Dimensions in inches and (millimeter)
Maximum Ratings (TA=25°C, unless otherwise noted)
Symbol
Parameter
Conditions
Value
500
Unit
mW
mA
Power dissipation
TL=25°C
Ptot
IZ
Zener current
Ptot/VZ
Junction temperature
Storage temperature range
TJ
175
°C
°C
TSTG
-65 to +175
Electrical Characteristics (TA=25°C, unless otherwise noted)
Symbol
Parameter
Thermal resistance (Note 1)
Forward voltage
Conditions
Max
300
1.1
Unit
°C/W
V
junction to ambient air
L=4mm, TL=25°C
RθJA
IF=200mA
VF
Note: Based on dc-measurement at thermal equilibrium; lead length = 9.5 (3/8”); thermal resistance of heat sink =30°C/W
Company reserves the right to improve product design , functions and reliability without notice.
REV: C
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QW-BZ001
Comchip Technology CO., LTD.