SDR6638, SDR6642, SDR6643,
& SDR4150 SERIES
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com * www.ssdi-power.com
3/
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS
SYMBOL
VF1
LIMIT
UNIT
SDR6638
SDR6642
SDR6643
SDR4150
0.8
0.8
1.0
Maximum Instantaneous Forward Voltage Drop
Vdc
(Pulsed, TA = 25°C) @ IF = 10mA
0.74
SDR6638 @ IF = 200mA
SDR6642 @ IF = 100mA
SDR6643 @ IF = 100mA
SDR4150 @ IF = 100mA
1.1
1.2
1.2
VF2
VF3
BVR
Vdc
Vdc
Vdc
0.92
Maximum Instantaneous Forward Voltage Drop (Pulsed)
IF = 100mA, TA = -55°C
1.3
SDR6638
SDR6642
SDR6643
SDR4150
125
100
75
Minimum Breakdown Voltage
Ir = 100 μA
75
SDR6638 @ VR = 20V
SDR6642 @ VR = 20V
SDR6643 @ VR = 20V
SDR4150 @ VR = 50V
35
25
50
Maximum Reverse Leakage Current
(300 μs Pulse Minimum , TA = 25°C)
IR1
IR2
IR3
IR4
nA
nA
μA
μA
pf
100
SDR6638 @ VR = 100V
SDR6642 @ VR = 75V
SDR6643 @ VR = 50V
500
500
500
Maximum Reverse Leakage Current
(300 μs Pulse Minimum , TA = 25°C)
SDR6638 @ VR = 20V
SDR6642 @ VR = 20V
SDR6643 @ VR = 20V
SDR4150 @ VR = 50V
50
50
75
Maximum Reverse Leakage Current
(300 μs Pulse Minimum , TA = 150°C)
100
SDR6638 @ VR = 100V
SDR6642 @ VR = 75V
SDR6643 @ VR = 50V
100
100
160
Maximum Reverse Leakage Current
(300 μs Pulse Minimum , TA = 150°C)
SDR6638
SDR6642
SDR6643
SDR4150
2.5
5.0
5.0
2.5
Maximum Junction Capacitance
(TA = 25°C , f = 1MHz) VR = 0V
CJ1
CJ2
trr
SDR6638
SDR6642
SDR6643
2.0
2.8
2.8
Maximum Junction Capacitance
(TA = 25°C , f = 1MHz) VR = 1.5V
pf
SDR6638
SDR6642
SDR6643
SDR4150
4.5
5.0
6.0
4.0
Maximum Reverse Recovery Time
(IF = IR = 10 mA, IRR = 1 mA)
nsec
AXIAL
SM
SMS
DIMENSIONS
MIN
DIMENSIONS
DIMENSIONS
MIN
DIM
A
MIN
.056”
.130”
1.00”
.018”
MAX
.080”
.180”
1.50”
.022”
DIM
A
MAX
.064”
.146”
.022”
DIM
A
MAX
.056”
.130”
.010”
.070”
.085”
.210”
.028”
---
B
B
B
.180”
C
C
C
.022”
D
D
.001”
NOTE: All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: RC0126B
DOC