Maintenance
TDS 500B, 600B and TDS 700A Service Manual
6–3
Table 6–1: Relative Susceptibility to Static-Discharge Damage (Cont.)
Semiconductor Classes
Relative Susceptibility
Levels
1
Schottky TTL 4
High-frequency bipolar transistors 5
JFET 6
Linear microcircuits 7
Low-power Schottky TTL 8
TTL (least sensitive) 9
1
Voltage equivalent for levels (voltage discharged from a 100 pF capacitor through
resistance of 100 ohms):
1 = 100 to 500 V 6 = 600 to 800 V
2 = 200 to 500 V 7 = 400 to 1000 V (est.)
3 = 250 V 8 = 900 V
4 = 500 V 9 = 1200 V
5 = 400 to 600 V
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