SENSITRON
___
SEMICONDUCTOR
1N6638/US thru 1N6642/US
Standard
SWITCHING / SIGNAL
DIODES
______________________________________________________________________________________
TECHNICAL DATA
DATA SHEET 4081, REV D.2
A
V AI L AB L E AS
1 N , J AN , J AN T X , J ANT XV
JANS
JAN EQUIVALENT *
SJ*, SX*, SV*, SS*
Switching / Signal Diodes
Qualified per MIL-PRF-19500/578, /609
DESCRIPTION:
This metallurgically bonded switching/signal diode series is military qualified per MIL-PRF-
19500/578, /609 and is targeted for space, commercial and military aircraft, military vehicles,
shipboard markets and all high reliability applications.
FEATURES / BENEFITS:
Ultra fast recovery time
Metallurgically bonded
Small size, high density
Very low capacitance
Hot solder dipped
JANS available per MIL-PRF-19500/578,
/609
MAXIMUM RATINGS
Operating and Storage Temperature: -65 C to +175 C
Thermal Resistance (junction to lead):
1N6638,42: 150 C
1N6639,40,41: 160 C
Thermal Resistance (junction to endcap):
1N6638,42: 40 C (U, US)
1N6639,40,41: 50 C (US only)
Forward surge current: 35A @ 8.3 ms half-sine
o
o
o
o
o
o
ELECTRICAL CHARACTERISTICS
TYPE
NUMBER
WORKING
PEAK
REVERSE
VOLTAGE
PEAK
FORWARD
SURGE
1
CURRENT
I
FSM
Amps (pk)
55C
2.5
AVERAGE
RECTIFIED
FORWARD
CURRENT
mA
75C
300
BREAKDOWN
VOLTAGE
REVERSE
RECOVERY
TIME
I
RM
= I
F
=
10 mA
JUNCTION
CAPACITANCE
V
R
=0
1N6638/U/US
1N6639/US
1N6640/US
1N6641/US
1N6642/U/US
Volts (pk)
125
75
75
75
75
V(pk)
150
100
75
75
75
ns
4.5
4.0
4.0
5.0
5.0
pF
2.5
2.5
2.5
3.0
5.0
Note 1: 8.3ms surge, half sine wave
*Sensitron
space equivalent diodes
are manufactured and screened to MIL-PRF-19500 flow and guidelines starting
from wafer fabrication through assembly and testing using our internal specification.
©2013 Sensitron Semiconductor
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586 7600 Fax (631) 242 9798
www.sensitron.com
sales@sensitron.com
SENSITRON
___
SEMICONDUCTOR
1N6638/US thru 1N6642/US
Standard
SWITCHING / SIGNAL
DIODES
______________________________________________________________________________________
TECHNICAL DATA
DATA SHEET 4081, REV D.2
PACKAGE DIMENSIONS (inches/mm)
AXIAL
PACKAGE
STYLE
DO-35
B
.018/.022
0.46/0.56
DIMENSIONS - INCHES ( MILLIMETERS)
D
G
.056/.080
.130/.180
1.42/2.03
3.30/4.57
L
1.00/1.50
25.4/38.10
MELF (Add “U” or “US” to Part Number)
PACKAGE
STYLE
D-5D
BL
.165/.195
4.19/4.95
DIMENSIONS - INCHES ( MILLIMETERS)
BD
S
.070/.085
0.003 Min
1.78/2.16
ECT
.019/.028
0.48/0.71
©2013 Sensitron Semiconductor
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586 7600 Fax (631) 242 9798
www.sensitron.com
sales@sensitron.com
SENSITRON
___
SEMICONDUCTOR
1N6638/US thru 1N6642/US
Standard
SWITCHING / SIGNAL
DIODES
______________________________________________________________________________________
TECHNICAL DATA
DATA SHEET 4081, REV D.2
GRAPHS:
For 1N6638, 1N6642:
For 1N6638, 1N6642:
©2013 Sensitron Semiconductor
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586 7600 Fax (631) 242 9798
www.sensitron.com
sales@sensitron.com
SENSITRON
___
SEMICONDUCTOR
1N6638/US thru 1N6642/US
Standard
SWITCHING / SIGNAL
DIODES
______________________________________________________________________________________
TECHNICAL DATA
DATA SHEET 4081, REV D.2
For 1N6639, 1N6640, 1N6641:
For 1N6639, 1N6640, 1N6641:
©2013 Sensitron Semiconductor
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586 7600 Fax (631) 242 9798
www.sensitron.com
sales@sensitron.com
SENSITRON
___
SEMICONDUCTOR
1N6638/US thru 1N6642/US
Standard
SWITCHING / SIGNAL
DIODES
______________________________________________________________________________________
TECHNICAL DATA
DATA SHEET 4081, REV D.2
PART ORDERING INFORMATION
The following part numbers can be purchased in either axial or surface mount devices and screened and tested to the
military screening flow. The parts are marked in accordance with the testing performed, example:
Sensitron Screening Level
*Part Number--
Leaded Package
(example for 1N6638)
*Part Number--
Surface Mount Package
(example for 1N6638US)
1N6638US, 1N6638U
JAN1N6638US, JAN1N6638U
JANTX1N6638US, JANTX1N6638U
JANTXV1N6638US, JANTXV1N6638U
SJ6638US, SJ6638U
SX6638US, SX6638U
SV6638US, SV6638U
JANS1N6638US, JANS1N6638U
SS6638US, SS6638U
1N
1N6638
JAN
JAN1N6638
JANTX
JANTX1N6638
JANTXV
JANTXV1N6638
SJ
SJ6638
SX
SX6638
SV
SV6638
JANS
JANS1N6638
SS
SS6638
*Parts can also be ordered Tape & Reel
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.
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 or duplicated, in any form, in whole or part, without the expressed 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.
©2013 Sensitron Semiconductor
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586 7600 Fax (631) 242 9798
www.sensitron.com
sales@sensitron.com
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