These devices feature the ability to clamp dangerous high voltage short term transients such as produced by directed or radiated electro-static-discharge phenomena before entering sensitive component regions of a circuit desig n. They are small economicaltransient voltage suppressors targeted primarily for short term transients below a few microseconds while still achieving significant peak-pulse-power capability as seen in Figure #1.
PC74HCT243DT PC74HCT243DT PC74HCT243DT on stock| Size | 0402 | 0603 | 0805 | 1206 | 1210 | 1808 | 1812 |
| | 040+0.0002 | 0.063+0.004 | 0.080+0.006 | 0.125+0.006 | 0.125+0.012 | 0.180+0.015 | 0.180+0.015 |
| Length (L) | 1.00+0.05 | 1.60+0.10 | 2.00+0.15 | 3.20+0.15 | 3.20+0.30 | 4.50+0.40 | 4.50+0.40 |
| | 0.020+0.002 | 0.03+0.004 | 0.050+0.006 | 0.063+0.006 | 0.100+0.008 | 0.081+0.010 | 0.125+0.012 |
| Width (W) | 0.50+0.05 | 0.80+0.07 | 1.25+0.15 | 1.60±0 15 | 2.50+0.20 | 2.03+0.25 | 3.20+0.30 |
| | .010+.002/-.004 | 0.015+0.006 | 0.020+0.008 | 0.025+0.008 | 0.030+0.010 | 0.030+0.010 | 0.030+0.010 |
| Termination (E) | 0.25+0.05/-0.10 | 0.40+0.15 | 0.50+0.20 | 0.60+0.20 | 0.75+0.25 | 0.75+0.25 | 0.75+0.25 |
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| I I DC= 2% j | l DC= 5% | |
| L | l I | | oo |
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| J| | l 7 | I Tj = 1750C ILIM = 0.210A ROJC = 5.Ooc/W _SEYWIDTH= = DC MAX Pl | mN |
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| TA, AMBIENT TEMPERATURE (oC) | FIGURE 18. MAXIMUM VDS vs AMBIENT TEMPERATURE IN CURRENT LIMITING. (HSTR = 50C/W) |
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