MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1N5221B
THRU
DO-35
Dimensions in millimeters
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
0.52Ø
2.0MAX
25.0MIN
4.2MAX
25.0MIN
TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
MECHANICAL DATA
* Case: Glass sealed case
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.13 gram
* Double slug type construction
1N5259B
SYMBOL VALUE UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25
o
C Ptot 500
(1)
mW
Junction Temperature Tj 175
o
C
Storage Temperature Range Tstg -55 to + 175
o
C
K/mW
Thermal Resistance RthA - Typ.
Junction to Ambient Air - Min.
0.3
(1)
Max.
Volts
Forward Voltage VF - Typ.
at IF=100mA - Min.
1 Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 8 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance ± 5%
160