Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: frontierusa.com SMD Power Choke—CSH1250S series A. Electrical specifications: Part No. Marking L (uH) ± 30% Test Freq. DCR (mΩ max.) I rms. (A) CSH1250S-R80M CSH1250S-1R4M CSH1250S-2R2M CSH1250S-3R1M CSH1250S-4R2M CSH1250S-5R5M CSH1250S-7R0M R80 1R4 2R2 3R1 4R2 5R5 7R0 0.80 1.40 2.20 3.10 4.20 5.50 7.00 100KHz 100KHz 100KHz 100KHz 100KHz 100KHz 100KHz 3.0 3.9 4.8 8.0 9.2 11.8 16.8 15.0 13.0 10.0 8.1 7.0 6.2 5.6 B. Mechanical dimensions: (Unit: mm) 12.0 5.6±0.3 1.8 6.5 12.0 XXX 2.3-4 (8.4) Mechanic Dimension 10.2 4 2 3 6.5 1 2.6 1.8 Land pattern Schematics C. Features: 1. 2. 3. 4. 5. 6. 7. Tolerance: M: ± 20%, L: ± 15%, K: ± 10%. Operating temperature: -30°C TO +100°C. Inductance measured on the HP4284A LCR meter. DCR measured on the 502BC milli-ohm meter. Inductance drops no more than 25% at rated current applied or temperature increases ∆ t < 40°C. Flat stack wire wound perpendicular to the center of the core. Inductance and Current range: a.) CSS1250S: From 0.8uH(15.0A) to 7.0uH(5.6A). Note: RoHS compliant; for the ROHS parts, we add “-LFR” at the end of the P/N. SMD Power Choke: P/N CSH1250S-series Rev. A Jan. 01, 2006. Page: 1 of 2 Frontier Electronics Corp. 667 E. COCHRAN STREET, SIMI VALLEY, CA 93065 TEL: (805) 522-9998 FAX: (805) 522-9989 E-mail: [email protected] Web: frontierusa.com SMD Power Choke—CSH1250S series D. Characteristic curve: 1. L vs. Frequency: 10 7R0M 4R2M Inductance (uH) 2R1M 1R4M 1 0R8M 0.1 1 10 100 1000 10000 Frequency (KHz) 2. Typical L vs. DC Current: 10 7R0M Inductance (uH) 4R2M 2R1M 1R4M 1 0R8M 0.1 1 10 100 Current (A) SMD Power Choke: P/N CSH1250S-series Rev. A Jan. 01, 2006. Page: 2 of 2