CDIDI 1N645-1 Datasheet
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass
case. DO – 35 outline.
LEAD MATERIAL: Copper clad steel.
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (R
O
JEC
):
250 ˚C/W maximum
THERMAL IMPEDANCE: (Z
O
JX
): 35
˚C/W maximum
POLARITY: Cathode end is banded.
MOUNTING POSITION: ANY.
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071 FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com
• AVAILABLE IN
JAN, JANTX,
AND
JANTXV
PER MIL-PRF-19500/240
• SILICON RECTIFIER
• METALLURGICALLY BONDED
1N645-1
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Operating Current: 400 mA @ 25°C
150 mA @ 150°C
Derating: 2.0 mA/°C From 25°C to 150°C
6.0 mA/°C From 150°C to 175°C
TYPE V
RSM
V
RWM
I
FSM
V
F
CAP @
TP= 1/120 s @400mA V
R = 4V
TA= 25°C
V (pk) V (pk) A V
DC
pF
1N645-1 270 225 5 0.8 - 1.0 20
TYPE I
R1 at V RWMI R2 at V RWMI R3 at V RSM
TA= 25°C TA= 150°C TA= 25°C
µA µA µA
1N645-1 0.05 25 50
IN645-1
.3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2 1.3
VF - Forward Voltage (V)
FIGURE 2
Typical Forward Current
vs Forward Voltage
I
F
- Forward Current - (mA)
1000
100
10
1
0.1
150ºC
100ºC
25ºC
-65ºC
20 40 60 80 100 120 140
Percent of Reverse Working Voltage (%)
FIGURE 3
Typical Reverse Current
vs Reverse Voltage
I
R
- Reverse Current - (µA)
1000
100
10
1
0.1
.01
.001
150ºC
100ºC
25ºC
-65ºC
NOTE : All temperatures shown on graphs are
junction temperatures
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