SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 5170, Rev A
MECHANICAL DIMENSIONS: In Inches (mm)
1C4954 thru 1C4996
Top side metalization: Al - 30 kÅ minimum.
Bottom side metalization: Ti/Ni/Ag - 30 kÅ minimum.
Top side is anode, bottom side is cathode.
For cathode top, add –R
See part order information below
MIL-PRF
MIL-PRF-19500/356K
DIMENSIONS – INCHES (MILIMETERS)
A
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)
PART ORDERING INFORMATION
Default part number is Al top, Ag bottom.
Add the following suffix for these metal combinations:
Top
Bottom
Part Number
Al
Ag
1C4988
AG
Al
Au
1C4988AG
BB
Ag
Ag
1C4988BB
BG
Ag
Au
1C4988BG
GG
Au
Au
1C4988GG
GB
Au
Ag
1C4988GB
-R
- Reverse polarity -
1C4988-R
A = Ti (0.3 kA) / Al (25 kA)
B = Ti (1.2 kA) / Ni (1.8 kA) / Ag (30kA)
G = Ti (1.2 kA) / Ni (1.8 kA) / Au (12kA)
(TOP)
/ Ti (1.2 kA) / Ni (1.8 kA) / Au (4kA)
(BOTTOM)
Suffix
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 .
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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.
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a value exceeding the absolute maximum rating.
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