April 22-23, 2014 | Space Parts Working Group (~1.8MB)

1N8255 – 1N8257 Series
Subminiature Alternative to the 1N5811 Series
4 - 6A, 25 nS Hyper Fast Rectifiers
 Enhancements over 1N5811:
- Up to 200 volts
- Subminiature version: ~1/2 the size
- Lower Reverse Leakage:
IR (@ 25°C) = 2 µA
IR (@ 125°C) = 500 µA
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High Surge Current: 125 A max
Low Forward Voltage Drop: 0.95 V @ 6A
Low Thermal Resistance: RθJE = 8.5°C/W
Hermetically Sealed, Void Free Ceramic Frit Construction
High Temperature Category I Eutectic Metallurgical Bond
TX, TXV, and S Level Screening Available
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1N8257SMS vs. 1N5811US Comparison
Electrical
Characteristics
1N5811US
1N8257SMS
150 V
200 V
6A
6A
125 A
125 A
0.865 V (@ 3 A)
0.875 V (@ 4 A)
0.925 V (@ 6 A)
0.810 V (@ 1 A)
0.875 V (@ 2.5 A)
0.900 V (@ 4 A)
0.950 V @ 6 A)
IR @ 150V, 25°C
5 µA
2 µA
IR @ 150V, 125°C
525 µA
500 µA
tRR
30 nS
25 nS
6.5°C/W
8.5°C/W
VRRM, VRWM, VR
IO
IFSM
VF
RƟJE
Package Comparison
1N8257 vs. 1N5811
1N5811 (0.75 gm, typ)
1N5811US (0.54 gm, typ)
1N8257 (0.4 gm, typ)
1N8257US (0.35 gm, typ)
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JANS1N7068 Surface Mount
Solution for 1N6657 - 1N6659
MIL-PRF-19500 / 616
1N6659
1N7068 (x2)
=
Absolute Maximum Ratings
Parameter
1N7068
1N6659
Per leg
IO
10 A
15 A
IFSM
350 A
150 A
VRWM
200 V
200 V
IR
500 µA
1 mA
@150°C
@100°C
RθJEC
4.5°C/W
2.3°C/W
tRR
30 nsec
35 nsec
VF @ 10A
0.95V
1.00V
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1N7066 – 1N7068 Series
MIL-PRF-19500 / 768
10 A, 30 nS Hyper Fast Rectifiers
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100 – 200 Volts
High Surge Current: 350 A maximum
Hermetically Sealed
Void Free Ceramic Frit Construction
High Temperature Category I Eutectic
Metallurgical Bond
 Low Forward Voltage Drop: 0.95V @ 10A
 Low reverse leakage current:
- 1 µA @ rated VR, 25°C
- 500 µA @ rated VR, 150°C
 Solid Silver Leads
 Replacement for 1N6659 (2 x 1N7068SMS = 1N6659)
 TX, TXV, and S Level Screening Available
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Wafer Fab Facility
Made and Screened in the United States
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