4223

SENSITRON
1C4974
SEMICONDUCTOR
TECHNICAL DATA SHEET
DATASHEET 4223, Rev-
ZENER 5W VOLTAGE REGULATOR
•
•
All ratings are @ Tc = 25 °C unless otherwise specified.
Operating temperature: -55 °C to +175 °C and storage temperature: -65 °C to +175 °C
MAXIMUM RATINGS / ELECTRICAL CHARACTERISTICS
MIN ZENER VOLTAGE
MAX ZENER VOLTAGE
TEST CURRENT
MAXIMUM IMPEDANCE @ IZ
REVERSE VOLTAGE
MAXIMUM REVERSE CURRENT
MAXIMUM KNEE IMPEDANCE @ IZK = 1 mA
MAXIMUM VOLTAGE REGULATION
MAXIMUM TEMPERATURE COEFFICIENT *
POWER DISSIPATION *
SYMBOL
Min VZ
Max VZ
IZ
Max ZZ
VR
Max IR1
Max ZK
Max VZ (reg)
αVZ
Power
VALUE
44.7
49.3
25
25
35.8
2.0
250
3.5
0.095
5
UNITS
Vdc
Vdc
mAmps dc
ohm
Vdc
uAmps dc
ohm
Vdc
%/°C
Watts
* Adequate energy absorption should be provided.
MECHANICAL DIMENSIONS: In Inches (mm)
MIL-PRF
DIMENSIONS – INCHES (MILIMETERS)
CHIP
A
MIL-PRF19500/356F
1C4958
to
1C4989
B
C
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
0.087
0.091
0.069
0.075
0.0095
0.0105
(2.21)
(2.31)
(1.75)
(1.91)
(0.24)
(0.27)
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• World Wide Web Site - http://www.sensitron.com • E-Mail Address - [email protected] •
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version
of the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment, and safety equipment), safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement.
3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during
operation of the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual
property claims or any other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from
use at a value exceeding the absolute maximum rating.
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• 221 West Industry Court Deer Park, NY 11729-4681 (631) 586-7600 FAX (631) 242-9798 •
• World Wide Web - http://www.sensitron.com • E-Mail Address - [email protected]
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