• 221 WEST INDUSTRY COURT • DEER PARK, NY 1172 9-4681 • PHONE ( 631) 5 86-7600 • FAX (631) 242-9798 •
• World Wide Web - http://www.sensitron.com • E-Mail - sales@sensitron.com •
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4081, REV. B
SIGNAL OR COMPUTER DIODE 1N6638, 1N6640, 1N6642
• Switching Diode
• Hermetic, non-cavity glass package
• Metallurgically bond ed
• Manufacture & screen to TX/TXV/JANS per MIL-PRF-19500/578,609 using Sensitron
specification, 7700-409X
Physical dimensions : Axial lead similar to DO-35 and surf ace mount similar to (D-5D)
Maximum ratings TA=+25oC:
Types VBR V
RWM Io IFSM
Tp=1/120s TSTG, TJ RθJL
L=.375 RθJEC
L=0 ZθJX
1N6638,1N6638U
1N6640,1N6640U
1N6642,1N6642U
V(pk)
150
75
100
V(pk)
125
50
75
MA
300
300
300
A(pk)
2.5
2.5
2.5
oC
-65 to +175
-65 to +175
-65 to +175
oC/W
150
150
150
oC/W
40
40
40
oC/W
25
25
25
AXIAL MELF
1N6638 thru 1N6643 1N6638U thru 1N6643U
PACKAGE
DIMENSIONS - INCHES ( MILLIMETERS) PACKAGE
DIMENSIONS - INCHES ( MILLIMETERS)
STYLE φB φD G L STYLE BL BD S ECT
DO-35 .018/.022
0.46/0.56 .056/.080
1.42/2.03 .130/.180
3.30/4.57
1.00/1.50
25.4/38.10
D-5D .165/.195
4.19/4.95 .070/.085
1.78/2.16 0.003 Min
.019/.028
0.48/0.71
SJ
SX
SV
1N6638/ U/ US
1N6640/ US
1N6642/ U/ US
• 221 WEST INDUSTRY COURT • DEER PARK, NY 1172 9-4681 • PHONE ( 631) 5 86-7600 • FAX (631) 242-9798 •
• World Wide Web - http://www.sensitron.com • E-Mail - sales@sensitron.com •
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4081, REV. B
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, p roducts 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.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor.
6- The datasheet(s) may not be reproduced o r duplicated, in any form, in whole or p art, without the ex pressed written permission
of Sensitron Semiconductor.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their
application will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct
purchasers or any third party. When exporting these products (technologies), the necessary procedures are to be taken in
accordance with related laws and regulations.
1N6638/ U/ US
1N6640/ US
1N6642// U/US
