The documentation and process conversion
INCH-POUND
measures necessary to comply with this revision
shall be completed by 30 September 2014.
MIL-PRF-19500/609K
30 June 2014
SUPERSEDING
MIL-PRF-19500/609J
24 June 2013
PERFORMANCE SPECIFICATION SHEET
SEMICONDUCTOR DEVICE, DIODE, SILICON, SWITCHING,
TYPES 1N6639, 1N6640, 1N6641, 1N6639US, 1N6640US, AND 1N6641US
JAN, JANTX, JANTXV, JANS, JANHC, AND JANKC
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein
shall consist of this specification sheet and MIL-PRF-19500.
1. SCOPE
1.1 Scope. This specification covers the performance requirements for controlled forward voltage switching
diodes. Four levels of product assurance are provided for each device type as specified in MIL-PRF-19500.
1.3 Maximum ratings. TA = +25°C (unless otherwise specified).
RθJL
RθJA(PCB)
RθJEC
Types
VBR
VRWM
IO(PCB)
IFSM
TJ, TSTG
L = .375 inch
TA=75°C
L=0
tp =
(9.53 mm)
(1)
(1)
1/120 s
(1) (2)
(1) (2)
°C/W
°C/W
°C/W
°C
V (pk)
V (pk)
mA
A (pk)
1N6639
100
75
300
2.5
150
250
-65 to +175
1N6639US
100
75
300
2.5
40
250
-65 to +175
1N6640
75
50
300
2.5
150
250
-65 to +175
1N6640US
75
50
300
2.5
40
250
-65 to +175
1N6641
75
50
300
2.5
150
250
-65 to +175
1N6641US
75
50
300
2.5
40
250
-65 to +175
(1) See figure 5 for temperature-current derating curve.
(2) See figures 6, 7, and 8 for thermal impedance curves. TA = +75°C for both axial and Metal Electrode Leadless
Face diodes (MELF) (US) on printed circuit board (PCB), PCB = FR4 - .0625 inch (1.59 mm) 1-layer 1-Oz Cu,
horizontal, in still air, pads for (US) = .061 inch (1.55 mm) x .105 inch (2.67 mm); pads for axial = .092 inch (2.34
mm) diameter, strip = 0.030 inch (0.76 mm) x 1 inch (25.4 mm) long, lead length L ≤ .187 inch (≤ 4.75 mm);
RθJA with a defined PCB thermal resistance condition included, is measured at IO = 300mA.
Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, ATTN:
VAC, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to Semiconductor@dla.mil . Since contact
information can change, you may want to verify the currency of this address information using the ASSIST Online
database at https://assist.dla.mil.
AMSC N/A
FSC 5961
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