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STD relay delay for 5 minutes
Mode: Editors' pick
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Update time：
2022-08-26 16:09:53
Creation time：
2019-12-31 08:53:46
Description
On delay relay. Based on transformerless power supplies, NE555 timer and 12 volt relay.
The delay time is adjusted using R3 & C3 according to the formula: T = 1.1 * R3 * C3 = 351560 (5.8 min)
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
|---|---|---|---|---|---|
| 1 | 1uF | C1 | CAP-TH_L29.0-W15.5-P27.50-D1.4 | 1 | 225J 630V |
| 2 | 10mF/250v | C2 | CAP-TH_BD10.0-P5.00-D1.0-FD | 1 | ULR687M1EG1BRRX0CR |
| 3 | 47uF | C3 | CAP-TH_BD6.3-P2.50-D1.0-FD | 1 | EEUFR1H470 |
| 4 | DG301-5.0-3P | CN1 | SCREW_TERMINAL_DG301-5.0-03P | 1 | DG301-5.0-03P-12-00A(H) |
| 5 | DB107-BP | D1 | DIO-BG-TH_DB-1 | 1 | DB107-BP |
| 6 | 1N4007_C402311 | D2 | DO-41_BD2.4-L4.7-P8.70-D0.9-RD | 1 | 1N4007 |
| 7 | 1N5349BRLG | D3 | DO-27_BD3.5-L8.6-P12.60-D1.3-RD | 1 | 1N5349BRLG |
| 8 | 1N4007 | D4 | DO-41_BD2.4-L4.7-P8.70-D0.9-RD | 1 | 1N4007 |
| 9 | FUSE 0.315A | F1 | 5X20-BLX-A | 1 | 5x20 BLX-Atype Fuse holder XC-7 |
| 10 | DG300-5.0-2P | P1 | DG300-5.0-02 | 1 | DG300-5.0-2P |
| 11 | 1MoM | R1 | RES-TH_D1.00-L10.50-W3.60-PITCH15.00 | 1 | MFR0S2F8202A50 |
| 12 | 6.8MoM | R3 | 1206 | 1 | 1206W4J0000T5E |
| 13 | SRD-12VDC-SL-C | RELAY1 | RELAY-TH_SRD-XXVDC-XL-C | 1 | SRD-12VDC-SL-C |
| 14 | NE555P | U2 | DIP-8_L9.8-W6.6-P2.54-LS7.6-BL | 1 | NE555P |
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