SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2012 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
1N6638/US thru 1N6642/US
Standard
S
SW
WI
IT
TC
CH
HI
IN
NG
G
/
/
S
SI
IG
GN
NA
AL
L
D
DI
IO
OD
DE
ES
S
TECHNICAL DATA
DATA SHEET 4081, REV D
Switching / Signal Diodes
Qualified per MIL-PRF-19500/578, /609
AV A I L A B L E A S
1N, J AN , J A N T X , J A N T X V
J A N S
J A N E Q U I V A L E N T *
SJ*, SX*, SV*, SS*
ELECTRICAL CHARACTERISTICS
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: -65oC to +175oC
Thermal Resistance (junction to lead):
1N6638,42: 150 oC
1N6639,40,41: 160 oC
Thermal Resistance (junction to endcap):
1N6638,42: 40 oC (U, US)
1N6639,40,41: 50 oC (US only)
Forward surge current: 35A @ 8.3 ms half-sine
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.
TYPE
NUMBER
WORKING PEAK
REVERSE
VOLTAGE
PEAK
FORWARD SURGE
CURRENT1
IFSM
Amps
AVERAGE RECTIFIED
FORWARD
CURRENT
Amps
BREAKDOWN
VOLTAGE
V
Volts
55C
75C
1N6638/U/US
1N6639/US
1N6640/US
1N6641/US
1N6642/U/US
125
75
75
75
75
2.5
300
150
100
75
75
75
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2012 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
1N6638/US thru 1N6642/US
Standard
S
SW
WI
IT
TC
CH
HI
IN
NG
G
/
/
S
SI
IG
GN
NA
AL
L
D
DI
IO
OD
DE
ES
S
TECHNICAL DATA
DATA SHEET 4081, REV D
PACKAGE DIMENSIONS (inches/mm)
AXIAL
PACKAGE
DIMENSIONS - INCHES ( MILLIMETERS)
STYLE
B
D
G
L
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
MELF (Add “U” or “US” to Part Number)
PACKAGE
DIMENSIONS - INCHES ( MILLIMETERS)
STYLE
BL
BD
S
ECT
D-5D
.165/.195
4.19/4.95
.070/.085
1.78/2.16
0.003 Min
.019/.028
0.48/0.71
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2012 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
1N6638/US thru 1N6642/US
Standard
S
SW
WI
IT
TC
CH
HI
IN
NG
G
/
/
S
SI
IG
GN
NA
AL
L
D
DI
IO
OD
DE
ES
S
TECHNICAL DATA
DATA SHEET 4081, REV D
For 1N6638, 1N6642:
For 1N6638, 1N6642:
GRAPHS:
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2012 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
1N6638/US thru 1N6642/US
Standard
S
SW
WI
IT
TC
CH
HI
IN
NG
G
/
/
S
SI
IG
GN
NA
AL
L
D
DI
IO
OD
DE
ES
S
TECHNICAL DATA
DATA SHEET 4081, REV D
For 1N6639, 1N6640, 1N6641:
For 1N6639, 1N6640, 1N6641:
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2012 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
1N6638/US thru 1N6642/US
Standard
S
SW
WI
IT
TC
CH
HI
IN
NG
G
/
/
S
SI
IG
GN
NA
AL
L
D
DI
IO
OD
DE
ES
S
TECHNICAL DATA
DATA SHEET 4081, REV D
PART ORDERING INFORMATION
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.
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)
1N
1N6638
1N6638US, 1N6638U
JAN
JAN1N6638
JAN1N6638US, JAN1N6638U
JANTX
JANTX1N6638
JANTX1N6638US, JANTX1N6638U
JANTXV
JANTXV1N6638
JANTXV1N6638US, JANTXV1N6638U
SJ
SJ6638
SJ6638US, SJ6638U
SX
SX6638
SX6638US, SX6638U
SV
SV6638
SV6638US, SV6638U
JANS
JANS1N6638
JANS1N6638US, JANS1N6638U
SS
SS6638
SS6638US, SS6638U
*Parts can also be ordered Tape & Reel
