MAXIMUM RATINGS AT 25 °C
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Surge Current A, sine 8.3mS: 5.0A
Total Power Dissipation: 500mW
Operating Current: 400mA, T
A
= +25°C
Operating Current: 150mA, T
A
= +150°C
Derating Factor: 2mA/°C above +25°C
Derating Factor: 6mA/°C above +150°C
D.C. Reverse Voltage (VRWM): 400V
FEATURES
• 1N647-1 AVAILABLE IN JAN, JANTX, AND JANTXV PER MIL-PRF-19500/240
• SILICON RECTIFIER
• M
ETALLURGICALLY BONDED
• H
ERMETICALLY SEALED
• D
OUBLE PLUG CONSTRUCTION
DC ELECTRICAL CHARACTERISTICS
V
F
I
R
Ambient
(°C)
I
F
mA
Min
V
Max
V
Ambient
(°C)
V
R
V (dc)
Min
µA
Max
µA
25 400 0.80 1.00 25 400 - 0.050
150 400 0.70 0.95 25 480(ac) - 50
-55 400 - 1.20 150 400 - 25
DESIGN DATA
Case: Hermetically sealed glass package per MIL-
PRF-19500/240 DO-35 outline
Lead Material: Copper clad steel
Lead Finish: Tin/Lead
Thermal Resistance (R
θJL
): 250°C/W maximum
at L=.375”
Thermal Impedance (Z
θJX
): 35°C/W maximum
Marking: Blue body coat, Black digits.
Polarity: Cathode end is banded.
AC ELECTRICAL CHARACTERISTICS AT 25°C
Symbol Min Max
Capacitance @ V
R
= 4V
pF
- 20
I
RELAND - GORT ROAD, ENNIS, CO. CLARE
PHONE: +353 65 6840044
TOLL FREE: +186 62 702434
FAX: +353 65 6822298
U.S.A.
DOMESTIC SALES CONTACT
PHONE: (617) 926 0404
TOLL FREE: 1 800 666 2999
WWW.MICROSEMI.COM
1N647-1
