1N6638 Datasheet, PDF (1/2 Pages) Compensated Deuices Incorporated – SWITCHING DIODES

• 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: I_FSM = 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
t _rr
IF
= 50 mA
ns
ns
20
4.5
20
5.0
20
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_/E_WR_mM_aA_xL_imR_uE_mSI_aS_tT_LA₌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
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