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STD 555 astable with bd135
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2020-08-06 13:45:57
Creation time：
2020-06-24 12:41:50
Description
555 Timer with a half hour cycle, powering a Pc Fan via a BD135 transistor.
Input: 5 ~ 14v.
Output: 1 or 2 Pc Fan.
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | LM555CN | U1 | DIP-8_L9.7-W6.4-P2.54-LS7.6-BL | 1 | LCSC | FAIRCHILD | LM555CN | C110322 |
| 2 | BD135 | Q1 | SOT-32_L7.6-W2.7-P2.15-L | 1 | LCSC | STMicroelectronics | BD135 | C283398 |
| 3 | 680uF | C1 | CAP-TH_BD8.0-P3.50-D1.0-FD | 1 | LCSC | CapXon | KF681M025F200A | C74118 |
| 4 | 100nF | C2 | CAP-TH_L10.0-W6.0-P7.50-D1.0 | 1 | LCSC | CHAMPION | MPP104K0250D101206B0815 | C270095 |
| 5 | JL301-50002U02 | OUT,IN_(5-14V) | CONN-TH_2P-P2.54_JL301-50002U02 | 2 | LCSC | JILN | JL301-50002U02 | C395214 |
| 6 | 10nF | C3 | CAP-TH_L7.2-W2.5-P5.00-D1.0 | 1 | LCSC | Jimson | MEB103J250D01 | C434260 |
| 7 | 10 kilo ohm | R1 | RES-TH_BD2.3-L3.7-P7.70-D0.9 | 1 | LCSC | FlyWin | - | C337020 |
| 8 | 2.2 Mega ohm | R2 | RES-TH_BD2.3-L3.7-P7.70-D0.9 | 1 | LCSC | FlyWin | - | C337020 |
| 9 | 330 | R3 | RES-TH_BD2.3-L3.7-P7.70-D0.9 | 1 | LCSC | FlyWin | - | C337020 |
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