Silicon Rectifier Diodes
Use Advantages
1 N645-I
thru
1 N649-I
DO-35 Glass Package
Used as a general purpose rectifier in power supplies, or for clipping and
steering applications.
High performance alternative to small signal diodes where space does not
permit
use of power rectifiers.
May be used in hostile environments where hermeticity and reliability are
important i.e.
(Military and Aerospace). MlL-S-19500/240 approvals.
“S’ level screening capability to Source Control Drawings.
Features
• Six Sigma quality
• Humidity proof glass
•
Metallurgically bonded
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Thermally
DO-35 Glass Package
(nominal dimensions)
glass —
x
0.020”
0.50
m m
matched system
..-.
. . . . . . . . . . . . . ~++ . . .(.::]. .
<------—--+ . . . . . . . . ----
“—= la
‘
k-i.
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No thermal fatigue
Q
+---
10’
~ Length -
“ c h i p
--+
D i a . + -
• High surge capability
25,4 mm
0145’
0070”
TM
(Min )
3.7 mm
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Sigma Bond plated
contacts
1,8 mm
• 100% guaranteed solderability
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(DO-213AA) SMD MELF commercial (LL) and MIL (U R-I ) types available
I Absolute Maximum Ratings
Symbol
Value
Unit
I
I
I
Power Dissipation at 3/8” from the body, T
L
= 75
o
C
Average Forward Rectified Current at T
L
= 75
o
C
Operating and Storage Temperature Range
Thermal Impedance (per Method 3101 of MIL-S-19500)
P
tot
500
400
-65 to 175
mWatts
mAmps
o
o
I
T
o & s
C
Z
JX
35
C/W
Text
I
I
Detail Specifications
Peak
Inverse
Voltage
(MIN.)
(PlV)
Breakdown
Voltage
(MIN.)
@ IOOµA
(B
V
)
Maximum
Average Rectified Current
(
lo
)
25° C
Forward
Maximum
Voltage
Reverse Leakage Current
Drop
(l
R
) @ PlV
(V
F
) @ I
F
= 400mA
(l
o
)
150° C (MIN.)
(MAX.) 25° C
150° c
Maximum Maximum
Surge
Junction
Current Capacitance
@ -4V
(I
FSM
)
(NOTE 1)
(C
o
)
I
Type
volts
volts
Amps
Amps
Volts
µA
µA
Amps
pF
1 N648
225
270
0.4
0.80
0.15
1.0
25
5
.050
20
–
300
360
0.4
0.15
0.80
1.0
25
5
2
.050
—0
400
480
0.4
0.15
0.80
1.0
25
.050
5
20
600
500
0.4
0.15
0.80
5
20
1.0
—.050— — — - - 25 . — - _ _ _ _ _ _ _ _—- _ _
—
-
_
600
720
0.4
0.80
0.15
1.0
25
.050
5
20
Note 1: T
A
=150°C ,Io= 150mAdc, 10 surges of 8.3 msec
To order military parts use the lN645/47/49-l numbers with the appropriate JAN, JTX or JTXV prefix
For MELF DO-213AA surface mount package, replace “IN” prefix with “LL” for commercial.
Telephone (508) 681-0392 FAX (508) 681-9135
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