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| January 29, 2008 SM503 SERIES SURFACE MOUNT COMMON MODE CHOKE Features Inductance Range from 5 H to 4700H Operating Temp. -40C to +85C Tinned Leads with Leaded Solder is Available (Note 3) Custom Inductance Values Available Formerly the DR322 Series ELECTRICAL SPECIFICATIONS AT 25C PART No. SM503-502 SM503-113 SM503-253 SM503-513 SM503-474 SM503-105 SM503-475 Turns Ratio (2-3) & (1-4) (1%) 1:1 1:1 1:1 1:1 1:1 1:1 1:1 Inductance (H) @100kHz, 0.1V, 20% 5 11 25 51 470 1000 4700 DCR () Max. (2-3) & (1-4) 0.11 0.12 0.20 0.30 0.25 0.40 0.55 RATED CURRENT (A) Max. 0.5 0.5 0.5 0.5 0.5 0.5 0.2 MECHANICAL OUTLINES 9.20 [0.362] 7.20 [0.283] 1 4 21 5.90 [0.232] 2 SM503 DATE TOP VIEW 3 5.20 Max. [0.204 Max.] 34 SCHEMATIC FRONT VIEW 7.2 0.60 [0.024] 2.54 [0.100] 2.54 1.2 5.0 BOTTOM VIEW Suggested PCB Pad Layout NOTES: 1. All dimensions are shown in millimeters "mm"[Inches "IN"]. 2. General tolerance 0.25mm[0.010 IN.], unless otherwise specified. 3. For non-RoHS parts replace SM prefix with 42- (e.g. SM503-502 becomes 42-503-502) 4. Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700, Toll Free Tel: 888-889-5391, Fax: 951-928-7701 email: ddisales@datatronics.com 499 King's Road, Hong Kong Tel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice. |
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