1N6643 DIODES Datasheet

1N6643 Datasheet, PDF, Equivalent


Part Number

1N6643

Description

SWITCHING DIODES

Manufacture

Compensated Deuices Incorporated

Total Page 2 Pages
Datasheet
Download 1N6643 Datasheet


1N6643
• 1N6638,1N6642, 1N6643 AVAILABLE IN JAN, JANTX, JANTXV, AND JANS
PER MIL-PRF-19500/578
• SWITCHING DIODES
• NON-CAVITY GLASS PACKAGE
• METALLURGICALLY BONDED
1N6638
1N6642
1N6643
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Operating Current: 300 mA
Derating: 3.0 mA/°C Above TL = + 75°C @L = 3/8”
Surge Current: IFSM = 2.5A, half sine wave, Pw = 8.3ms
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
TYPES
1N6638
1N6642
1N6643
V BR
@IR
=100µA
V(PK)
(min)
150
100
75
V RWM
V(PK)
125
75
50
V F1
I FM
= 10 mA
(Pulsed)
V dc
0.8
1.0
1.0
V F2 @ I F2
(Pulsed)
V dc
mA
1.1 200
1.2 100
1.2 100
t fr
IF
= 50 mA
ns
20
20
20
t rr
ns
4.5
5.0
6.0
TYPES
1N6638
1N6642
1N6643
I R1
VR
= 20 V
nA dc
35
25
50
I R2 I R3 I R4 C T1
@V R
= V RWM
µA dc
V R = 20 V V R = V RWM
TA = 150°C TA = 150°C
µA dc
µA dc
VR=
0V
pF
0.5 50
0.5 50
0.5 75
100 2.5
100 5.0
160 5.0
C T2
VR=
1.5V
pF
2.0
2.8
2.8
0.056/0.075
1.42/1.91
POLARITY
BAND
(CATHODE)
0.018/0.022
0.46/0.56
0.140/0.180
3.55/4.57
1.00
25.4
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed, “D” Body
per MIL-PRF- 19500/578. D-5D
LEAD MATERIAL: Copper clad steel
LEAD FINISH: Tin / Lead
T°CH/EWRmMaAxLimRuEmSIaStTLA=NC.3E7:5(ROJL): 160
THERMAL IMPEDANCE:
°C/W maximum
(ZOJX):
25
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

1N6643
IN6638, IN6642 and IN6643
1000
100
10
1
0.1
.2 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2
VF - Forward Voltage (V)
FIGURE 2
Typical Forward Current
vs Forward Voltage
1000
100
150ºC
10
100ºC
1
0.1
25ºC
.01
-65ºC
.001
20 40 60 80 100 120 140
Percent of Reverse Working Voltage (%)
FIGURE 3
Typical Reverse Current
vs Reverse Voltage
NOTE :
All temperatures shown on graphs are
junction temperatures


Features • 1N6638,1N6642, 1N6643 AVAILABLE IN J AN, JANTX, JANTXV, AND JANS PER MIL-PRF -19500/578 • SWITCHING DIODES • NON -CAVITY GLASS PACKAGE • METALLURGICAL LY BONDED 1N6638 1N6642 1N6643 MAXIMU M RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C Operating Current: 300 mA D erating: 3.0 mA/°C Above TL = + 75°C @L = 3/8” Surge Current: IFSM = 2.5A, half sine wave, Pw = 8.3ms 0.056/0.07 5 1.42/1.91 POLARITY BAND (CATHODE) 0 .140/0.180 3.55/4.57 1.00 25.4 0.018/0 .022 0.46/0.56 ELECTRICAL CHARACTERIST ICS @ 25°C, unless otherwise specified . V BR @IR =100µA V RWM V F1 I FM = 10 mA (Pulsed) V dc 0.8 1.0 1.0 V dc 1.1 1.2 1.2 V F2 @ I F2 t fr IF = 50 mA t r r TYPES (Pulsed) mA 200 100 100 ns 20 20 20 ns 4.5 5.0 6.0 FIGURE 1 V(PK) (min) 1N6638 1N6642 1N6643 150 100 75 V(PK) 125 75 50 DESIGN DATA CASE: Herm etically sealed, “D” Body per MIL-P RF- 19500/578. D-5D LEAD MATERIAL: Copp er clad steel LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJL): 160 °C/W maximum at.
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