POWER DISCRETES
1www.semtech.com
1N6638, 1N6642, 1N6643
Axial Leaded Hermetically Sealed
Switching Diodes
Features
Revision: September 2012
Quick reference data
VBR = 75 - 150V
trr = 4.5 - 6.0ns
Io = 300mA, Ta = 75°C
VF = 1.1 - 1.2V
uLow reverse leakage current
uHermetically sealed in fused metal oxide
u Good thermal shock resistance
uLow forward voltage drop
These products are qualified to MIL-PRF-19500/578.
They can be supplied fully released as JAN, JANTX
and JANTXV.
Absolute Maximum Ratings
Electrical specifications @ TA = 25°C unless otherwise specified.
lobmyS 8366N1 2466N1 3466N1 stinU
egatloVnwodkaerB V
RB
051 001 57 V
egatloVesreveRgnikroW V
MWR
521 57 05 V
tnerruCgnitarepO "573.0htgneldael,C°57@ I
O
003 003 003 Am
tnerruCegruSevititepeR-noN )C°52@,Sm3.8=pt( I
MSF
5.2 5.2 5.2 A
egnaRerutarepmeTegarotS T
GTS
571+ot56- C°
Description
2 2012 Semtech Corporation www.semtech.com
POWER DISCRETES
1N6638, 1N6642, 1N6643
Electrical Specifications
lobmyS 8366N1 2466N1 3466N1 stinU
.xamporDegatloVdrawroF
T
j
C°52= V
1F
I@8.0
F
Am01= I@8.0
F
Am01= I@8.0
F
Am01= V
.xamporDegatloVdrawroF
T
j
C°52= V
2F
I@1.1
F
Am002= I@2.1
F
Am001= I@2.1
F
Am001= V
xamtnerruCesreveR
I
1R
V@
R
V02=
I
2R
V@
R
V=
MWR
I
3R
V@
R
T,V02=
A
C°051=
I
4R
V@
R
V=
MWR
T,
A
C°051=
I
1R
I
2R
I
3R
I
4R
53 005 05 001
52 005 05 001
05 005 57 001
AnAnAuAu
.xamemiTyrevoceRdrawoF
I
F
Am002= t
rf
02 02 02 sn
.xamemiTyrevoceResreveR
I
MR
I=
F
Am01= t
rr
5.4 0.5 0.6 sn
.pytecnaticapaCnoitcnuJ
V
R
V0= C
1T
5.2 0.5 0.5 Fp
lobmyS 8366N1 2466N1 3466N1 stinU
daeLotnoitcnuJ-ecnatsiseRlamrehT "573.0=htgneldaeL R
)ATEHT( LJ
051 W/C°
Thermal Characteristics
3
2012 Semtech Corporation www.semtech.com
POWER DISCRETES
1N6638, 1N6642, 1N6643
Outline Drawing
rebmuNtraP noitpircseD
8366N1 2466N1 3466N1 delaesyllacitemrehdedaellaixA
)1(
Note:
(1) Available in bulk and tape and reel packaging. Please
consult factory for quantities.
Ordering Information
snoisnemiD
MID
N
sehcnI sretemilliM
NIM XAM NIM XAM
A 650.0 80.0 24.1 30.2
B 0.1 5.1 4.52 1.83
C 31.0 81.0 3.3 75.4
D 810.0 220.0 64.0 65.0
Semtech Corporation
Power Discretes Products Division
200 Flynn Road, Camarillo, CA 93012
Phone: (805)498-2111 FAX (805)498-3804
Contact Information
