![](/images/new-backgrounds/1106387/10638749x1.webp)
Device Overview
Model | Formatted Capacity | No. of Cylinder | No. of Heads | No. of Sectors |
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MHC2032AT | 3,253.46 MB | 6,304 | 16 | 63 |
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MHC2040AT | 4,099.86 MB | 7,944 | 16 | 63 |
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MHD2021AT | 2,167.60 MB | 4,200 | 16 | 63 |
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MHD2032AT | 3,253.46 MB | 6,304 | 16 | 63 |
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1.2.2 Model and product number
Table 1.3 lists the model names and product numbers of the MHC Series and MHD Series.
Table 1.3 Model names and product numbers
Model Name | Capacity | Mounting screw | Order No. |
| (user area) |
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MHC2032AT | 3.25 GB | M3, depth 3 | |
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MHC2040AT | 4.09 GB | M3, depth 3 | |
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MHD2021AT | 2.16 GB | M3, depth 3 | |
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MHD2032AT | 3.25 GB | M3, depth 3 | |
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1.3 Power Requirements
(1) Input Voltage
∙ + 5 V ± 5 %
(2) Ripple
| +5 V |
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Maximum | 100 mV (peak to peak) |
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Frequency | DC to 1 MHz |
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