SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2019 Sensitron Semiconductor Ph (631) 586 7600 Fx (631) 242 9798 www.sensitron.com sales@sensitron.com
1N6638/US thru 1N6643/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 F.1
Switching / Signal Diodes
Qualified per MIL-PRF-19500/578, /609
AV AILABL E AS
1N, JAN, JANTX, JANTXV
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
JAN/JANTX/JANTXV/JANS quality levels
available per MIL-PRF-19500/578, /609
MAXIMUM RATINGS
Operating and Storage Temperature: -65oC to
+175oC
Thermal Resistance (junction to lead): 150oC/W
Thermal Resistance (junction to endcap): 40oC/W (U,
US)
Note 1: 8.3ms surge, half sine wave
WORKING
PEAK
REVERSE
VOLTAGE
PEAK
FORWARD
SURGE
CURRENT1
IFSM
Amps (pk)
AVERAGE
RECTIFIED
FORWARD
CURRENT
mA
BREAKDOWN
VOLTAGE
REVERSE
RECOVERY
TIME
IRM = IF =
10 mA
Volts (pk)
55C
75C
V(pk)
ns
125
75
50
50
75
50
2.5
300
150
100
75
75
100
75
4.5
4.0
4.0
5.0
5.0
6.0
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2019 Sensitron Semiconductor Ph (631) 586 7600 Fx (631) 242 9798 www.sensitron.com sales@sensitron.com
1N6638/US thru 1N6643/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 F.1
PACKAGE DIMENSIONS (inches/mm) AXIAL
MELF (Add “U” or “US” to Part Number)
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2019 Sensitron Semiconductor Ph (631) 586 7600 Fx (631) 242 9798 www.sensitron.com sales@sensitron.com
1N6638/US thru 1N6643/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 F.1
For 1N6638, 1N6642, 1N6643:
For 1N6638, 1N6642, 1N6643:
GRAPHS:
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2019 Sensitron Semiconductor Ph (631) 586 7600 Fx (631) 242 9798 www.sensitron.com sales@sensitron.com
1N6638/US thru 1N6643/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 F.1
For 1N6639, 1N6640, 1N6641:
For 1N6639, 1N6640, 1N6641:
SENSITRON ___
SEMICONDUCTOR
______________________________________________________________________________________
©2019 Sensitron Semiconductor Ph (631) 586 7600 Fx (631) 242 9798 www.sensitron.com sales@sensitron.com
1N6638/US thru 1N6643/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 F.1
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.
Quality 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
JANS
JANS1N6638
JANS1N6638US, JANS1N6638U
*Parts can also be ordered Tape & Reel