Leadtimes expand
By Staff -- Purchasing, 8/16/2007
Thirty-Nine of 41 electronic component leadtimes tracked monthly by Purchasing stretched in July, indicating increased demand is making it more difficult for buyers to get electronic parts. The trend comes at the opening of the third quarter, when electronics buyers build inventory for the upcoming holiday selling season.
While leadtimes are stretching, buyers should not worry about any significant component shortages. Component manufacturers will boost production.
In July, DRAM, multilayer printed circuit boards and capacitor leadtimes stretched.
| RAW DATA FOR LATEST MONTH | RECENT HISTORY: WEIGHTED AVERAGES | |||||||||||||
| ELECTRONICS LEADTIMES | <1 wk | 2–5 wks | 6–10 wks | 11–20 wks | 21–30 wks | 30+ wks | Jan | Feb | Mar | Apr | May | Jun | Jul | Movement in latest month |
| DRAM: 128 Mb | 6% | 60% | 7% | 13% | 7% | 7% | 9.9 | 7.0 | 6.7 | 10.3 | 7.3 | 5.7 | 8.8 | Expand |
| DRAM: 64 Mb | 15% | 43% | 14% | 14% | 7% | 7% | 10.4 | 7.2 | 6.4 | 11.9 | 7.8 | 5.2 | 9.3 | Expand |
| DRAM: 16 Mb | 15% | 46% | 8% | 8% | 8% | 15% | 10.7 | 7.1 | 6.4 | 12.6 | 7.7 | 5.2 | 10.8 | Expand |
| SRAM: 4 Mb | 15% | 38% | 23% | 8% | 8% | 8% | 9.6 | 7.3 | 6.9 | 11.9 | 9.0 | 5.9 | 9.1 | Expand |
| SRAM: 1 Mb | 14% | 43% | 14% | 7% | 22% | 0% | 10.4 | 6.5 | 7.1 | 10.1 | 11.1 | 6.6 | 9.3 | Expand |
| SRAM: 256 K | 8% | 46% | 8% | 15% | 23% | 0% | 10.7 | 6.9 | 7.6 | 10.3 | 12.1 | 5.9 | 10.5 | Expand |
| Flash: 32 Mb | 8% | 46% | 15% | 23% | 8% | 0% | 10.6 | 8.4 | 6.5 | 13.6 | 10.5 | 8.5 | 8.4 | Shrink |
| Flash: 16 Mb | 7% | 50% | 14% | 22% | 7% | 0% | 11.1 | 7.2 | 8.3 | 11.4 | 11.4 | 6.0 | 8.1 | Expand |
| Flash: 8Mb | 7% | 54% | 13% | 13% | 13% | 0% | 10.6 | 8.4 | 8.3 | 11.0 | 11.4 | 7.3 | 8.4 | Expand |
| Logic: Bipolar | 23% | 31% | 16% | 15% | 15% | 0% | 9.8 | 7.2 | 11.0 | 8.8 | 10.8 | 6.5 | 8.7 | Expand |
| Logic: CMOS | 15% | 39% | 23% | 15% | 8% | 0% | 9.1 | 6.9 | 11.3 | 10.2 | 10.0 | 6.8 | 7.6 | Expand |
| MPU: 32-bit | 17% | 33% | 8% | 25% | 17% | 0% | 10.0 | 8.4 | 10.6 | 11.0 | 11.8 | 8.1 | 10.0 | Expand |
| MPU: 16-bit | 10% | 30% | 20% | 20% | 20% | 0% | 9.4 | 7.7 | 10.2 | 11.0 | 11.7 | 8.6 | 10.9 | Expand |
| Zener diode | 7% | 33% | 27% | 13% | 20% | 0% | 8.9 | 7.7 | 6.8 | 7.8 | 12.4 | 5.6 | 10.5 | Expand |
| Thyristor | 14% | 20% | 20% | 33% | 13% | 0% | 8.4 | 6.6 | 7.1 | 7.8 | 11.8 | 5.6 | 10.9 | Expand |
| Small-signal transistors | 14% | 50% | 29% | 7% | 0% | 0% | 8.0 | 6.8 | 6.5 | 7.6 | 8.3 | 5.6 | 5.2 | Shrink |
| MOSFET | 12% | 29% | 12% | 35% | 12% | 0% | 9.5 | 7.6 | 7.4 | 9.8 | 11.4 | 7.0 | 10.5 | Expand |
| Analog/digital converters | 6% | 23% | 29% | 24% | 12% | 6% | 8.0 | 7.1 | 9.3 | 8.2 | 11.7 | 9.1 | 11.9 | Expand |
| Digital/analog converters | 6% | 17% | 41% | 18% | 12% | 6% | 8.6 | 8.1 | 9.2 | 6.4 | 11.8 | 8.7 | 11.7 | Expand |
| Network resistors | 7% | 23% | 23% | 31% | 8% | 8% | 7.7 | 5.9 | 7.2 | 5.9 | 11.3 | 4.5 | 12.1 | Expand |
| Thick film chip resistors | 13% | 25% | 31% | 25% | 0% | 6% | 7.7 | 5.9 | 4.7 | 7.9 | 11.1 | 6.3 | 9.5 | Expand |
| Carbon film resistors, 25W | 17% | 28% | 33% | 11% | 5% | 6% | 7.0 | 5.2 | 4.6 | 7.1 | 10.0 | 4.0 | 8.8 | Expand |
| Wirewound resistors | 13% | 27% | 27% | 20% | 13% | 0% | 8.1 | 8.3 | 5.0 | 9.6 | 10.2 | 5.1 | 9.6 | Expand |
| Ceramic chip capacitors | 10% | 10% | 40% | 15% | 15% | 10% | 8.3 | 6.7 | 5.1 | 7.2 | 8.4 | 7.9 | 13.3 | Expand |
| Film capacitors | 12% | 25% | 31% | 6% | 13% | 13% | 9.8 | 6.2 | 5.8 | 8.1 | 8.9 | 5.5 | 12.0 | Expand |
| Tantalum chip capacitors | 11% | 22% | 44% | 6% | 6% | 11% | 11.7 | 6.8 | 6.5 | 9.5 | 10.2 | 8.1 | 10.6 | Expand |
| D-SUB connectors | 11% | 28% | 28% | 11% | 17% | 5% | 9.4 | 6.5 | 8.0 | 8.0 | 10.0 | 7.2 | 11.2 | Expand |
| PLCC connectors | 14% | 20% | 33% | 13% | 13% | 7% | 9.0 | 6.3 | 7.0 | 8.7 | 10.0 | 8.1 | 11.2 | Expand |
| PCB connectors | 5% | 40% | 25% | 5% | 15% | 10% | 7.4 | 7.8 | 7.6 | 7.5 | 10.5 | 7.4 | 11.5 | Expand |
| DIP switches | 15% | 30% | 30% | 10% | 10% | 5% | 8.1 | 7.2 | 5.6 | 7.8 | 7.8 | 4.9 | 9.4 | Expand |
| Pushbutton switches | 25% | 25% | 33% | 4% | 4% | 9% | 7.5 | 6.7 | 5.8 | 6.3 | 7.0 | 5.8 | 8.3 | Expand |
| Slide switches | 29% | 35% | 18% | 0% | 12% | 6% | 8.2 | 6.4 | 6.6 | 6.3 | 6.8 | 5.1 | 7.9 | Expand |
| General purpose relays | 23% | 32% | 23% | 9% | 9% | 4% | 7.0 | 5.4 | 5.5 | 6.9 | 5.3 | 4.0 | 8.4 | Expand |
| Solid state relays | 19% | 37% | 6% | 13% | 19% | 6% | 7.7 | 6.2 | 5.8 | 7.9 | 8.5 | 6.0 | 10.8 | Expand |
| NiCd batteries | 16% | 37% | 16% | 21% | 5% | 5% | 9.4 | 6.5 | 6.4 | 8.8 | 6.2 | 7.8 | 9.1 | Expand |
| NiMH batteries | 28% | 33% | 22% | 11% | 6% | 0% | 9.0 | 6.2 | 5.9 | 9.3 | 7.4 | 5.9 | 6.2 | Expand |
| Li-ion batteries | 12% | 25% | 38% | 19% | 6% | 0% | 10.4 | 6.4 | 7.9 | 7.6 | 9.9 | 7.2 | 8.4 | Expand |
| Switcher power supplies | 0% | 31% | 31% | 19% | 19% | 0% | 9.2 | 9.2 | 8.1 | 8.8 | 10.6 | 6.6 | 11.3 | Expand |
| Single sided printed circuit boards | 0% | 42% | 29% | 21% | 4% | 4% | 7.8 | 7.6 | 5.3 | 9.7 | 9.7 | 6.7 | 9.5 | Expand |
| Double sided printed circuit boards | 0% | 45% | 30% | 5% | 10% | 10% | 9.3 | 7.0 | 5.0 | 9.9 | 8.6 | 7.0 | 10.8 | Expand |
| Multi-layer printed circuit boards | 0% | 37% | 38% | 4% | 13% | 8% | 10.6 | 7.6 | 6.5 | 10.2 | 10.6 | 7.3 | 11.1 | Expand |
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