1N6638, 1N6642 1N6643.aspx?ext=

1N6638,
1N6642-1N6643
SWITCHING RECTIFIERS
High-reliability discrete products
and engineering services since 1977
FEATURES


Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS (TA = 25°C unless otherwise specified)
Part number
1N6638
1N6642
1N6643
Reverse voltage
VR
(V)
Working peak reverse
voltage
VRWM
(V)
Operating current
IO
(mA)
150
100
75
125
75
50
300
300
300
Peak forward surge
current
IFSM
(Note 1)
(Note 2)
RӨJL
L=.375”
(°C/W)
TOP
Tstg
(°C)
2.5
2.5
2.5
160
160
160
-65 to +175
(A)
Note 1: At maximum end cap temperature = 110°C for US suffix types.
Derate at 4.6 mA/°C above end cap temperature = 110°C. Derate axial types at 3.0 mA/°C above ambient temperature = 25°C.
Note 2: Test pulse = 8.3ms, half sine wave.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Part
number
Maximum DC reverse current
IR
Maximum forward voltage
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VR=20V
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VR=VRWM
VR=20V
TA=150°C
VR=VRWM
TA=150°C
nA
µA
µA
µA
1N6638
0.8V @ 10mA
1.1V @ 200mA
25
0.5
40
100
1N6642
1.0V @ 10mA
1.2V @ 100mA
25
0.5
50
100
1N6643
1.0V @ 10mA
1.2V @ 100mA
50
0.5
75
160
Reverse recovery
time
trr
Note 1
Maximum forward recovery voltage and time
IF = 50mA, tr = 1ns
Part
number
Vfr
1N6638
1N6642
1N6643
tfr
Maximum junction capacitance
f = 1MHz
Vsig = 50mV (p-p)
VR=0V
VR=1.5V
ns
V
ns
pF
pF
4.5
5.0
6.0
5.0
5.0
5.0
20
20
20
2.0
5.0
5.0
1.4
2.8
2.8
Note 1: Reverse Recovery Time Test Conditions:
IF = IR = 10mAdc, iR(REC) = 1.0mAdc, C = 3pF.RL = 100ohms
Rev. 20121211
High-reliability discrete products
and engineering services since 1977
1N6638,
1N6642-1N6643
SWITCHING RECTIFIERS
MECHANICAL CHARACTERISTICS
Case
DO-35
Marking
Body painted, alpha-numeric
Polarity
Cathode band
Rev. 20121211
High-reliability discrete products
and engineering services since 1977
1N6638,
1N6642-1N6643
SWITCHING RECTIFIERS
Rev. 20121211