MIL-PRF-19500/291U
E
B
1.
Die size:
.020 x .020 inch square (0.508 mm x 0.508 mm).
.008 ±.0016 inch (0.203 mm ±0.041 mm).
2.
Die thickness:
3.
Base pad:
.004 x .004 inch (0.101 mm x 0.101 mm).
4.
Emitter pad:
.004 x .004 inch (0.101 mm x 0.101 mm).
Gold, 6,500 ±1,950 Å.
5.
Back metal
Aluminum, 20,000 ±2,000 Å.
6.
Top metal:
7.
Back side:
Collector.
SiO2, 7,500 ±1,500 Å.
8.
Glassivation:
FIGURE 5. JANHC and JANKC (D-version) die dimensions.
8
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