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MIL-PRF-19500-590 Semiconductor Device, Diode, Silicon, Ultrafast Recovery, Power Rectifier, 1N6626 Through 1N6631, 1N6626U Through 1N6631U, 1N6626Us Through 1N6631Us, Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for a silicon, ultrafast recovery, semiconductor power rectifier diode. Four levels of product assurance are provided for each device type as specified in

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MIL-PRF-19500/590k
1.3.2 Maximum ratings - Continued.
(1) Average current with a half-sine wave including reverse voltage amplitude equal to the magnitude of the
full rated VRWM.
(2) Derate linearly 1.33 percent/°C for TL > +75°C.
(3) These rated currents also apply to U or US suffix types when the maximum temperature of the end-caps
(mounting surface) is +110°C; derate linearly 2.5 percent/°C above TEC > +110°C.
(4) Derate linearly 0.80 percent/°C for TA > +25°C.
(5) The 1.4 amp rating at +25°C ambient is for thermal (PC boards or other) mounting methods where thermal
resistance from mounting point to ambient is still sufficiently controlled where TJ(MAX) in 1.3.1 is not
exceeded. This equates to RθJX ≤ 50șC/W as shown. Also see application notes in 6.5.1 for the worst-case
1N6631.
(6) The reverse recovery time (method 4031 of MIL-STD-750, condition B) at TJ = +125°C shall not exceed
three times the +25°C limit. Exceeding TJ = +125°C may change reverse recovery times at +25°C to higher
levels as indicated in accelerated life testing in 4.4.2.1 B5 for JANS or other life testing in 4.4.2.2 B3 and
(7) See figures 3 and 4 for thermal impedance curves.
1.4 Primary electrical characteristics. Unless otherwise noted, TA = + 25°C.
Col. 1
Col. 2
Col. 3
Col. 4
Col. 5
Col. 6
Col. 7
Types
IR1
IR2
IRM(REC)
CT
VFM1 at IF1
VFM2 at IF2
at 2 A,
at
at
at
100 A/”s
VR = +10
VFM1
VFM2
IF1
IF2
TJ =
TJ =
+25°C
+150°C
V
”A
”A
A pk
pF
V
A
V
A
1N6626, U, US
2.0
3.5
40
1.5
4.0
1.35
2.0
500
1N6627, U, US
2.0
3.5
40
1.5
4.0
1.35
2.0
500
1N6628, U, US
2.0
3.5
40
1.5
4.0
1.35
2.0
500
1N6629, U, US
1.4
4.2
40
1.7
3.0
1.40
2.0
500
1N6630, U, US
1.4
4.2
40
1.7
3.0
1.40
2.0
500
1N6631, U, US
5.0
40
1.95
2.0
1.60
1.4
4.0
600
2



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