MIL-PRF-19500/312E
NOTES:
20 x 20 mils, � 2 mils.
1. Chip size:
10 mils, � 1.5 mils nominal.
2. Chip thickness:
3. Top metal:
Aluminum 10,000 � min, 12,000 � nominal.
4. Back metal:
a. Al/Ti/Ni/Ag 12 k�/ 3 k�/ 7 k�/ 7 k� min., 15 k�/ 5 k�/ 10 k�/ 10 k�.
b. Gold 2,500 � minimum, 3,000 � nominal.
c. Eutectic mount - no gold.
5. Backside:
Collector.
6. Chip size:
B = 4 X 4.5 mils, E = 4.5 X 5 mils.
FIGURE 2. JANHC (A-version) die dimensions.
4
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