CTQ4437-B

Standard Flyback Regulators ctparts.com Not shown at actual size. Equivalent Magnetics for LM258x Flyback Regulator Compliant Available RoHS 1. Leakage inductance measured across the primary at 0.10 Vrms, 100kHz 2. DC current at which the primary inductance is measured 3. Operating temperature range -40°C to +85°C 4. Electrical specifications at 25°C ORDERING INFO CTQ~~~~-BF Please specify “F” for RoHS compliant Part Number CTQ4435-B_ CTQ4434-B_ CTQ4436-B_ CTQ4337-B_ CTQ4343-B_ CTQ4344-B_ CTQ4437-B_ Type SM TH SM TH TH TH SM L at 0 Adc ±15% (µH) 22 22 22 22 85 85 55 L at Ipk Min. (µH) 19.0 19.8 19.0 19.8 76.5 76.5 47.3 Volt-time product Max. (Vµsec) 166.5 162.0 166.5 162.0 364.5 364.5 299.7 Leakage Inductance1 Max. (µH) 0.7 2.0 0.5 2.0 3.5 3.5 2.0 DCR Primary (Ω) 0.020 0.028 0.025 0.030 0.150 0.145 0.110 DCR Secondary (Ω) 0.025 0.028 0.23 (10-11) 0.25 (9-8) 0.32 (8-7, 6-5) 0.011 (10-9, 7-6) 0.20 (10-9, 7-6) 0.03 (4-5) 0.035 (3-2) 0.30 (9-8) 0.32 (4-5) 0.039 (8-7) 0.58 (6-5) 0.60 (3-4) 0.15 (10-11, 9-8) 0.20 (8-7) 0.24 (5-6) 0.065 0.042 Turns Ratio 1:1 1:1 1:2.5:2.5 1:2.5:2.5 1:0.8:0.8 1:0.35:0.8:0.8 1:0.5:1.167:1.167 Ipk2 (A) 4.85 5.0 5.0 5.0 3.0 3.0 3.0 CTQ4338-B_ TH 66 59.4 499.5 3.5 0.090 1:0.5:1.167:1.167 3.0 CTQ4438-B_ CTQ4339-B_ CTS6057-A_ CTS6000-A_ SM TH SM TH 65 66 47 47 57.0 59.4 40.0 40.0 299.7 499.5 233.1 212.6 3.0 3.0 2.0 2.0 0.065 0.090 0.065 0.065 1:1.2:1.2 1:1.2:1.2 1:1 1:1 3.0 3.0 3.0 3.0 SCHEMATICS Schematics for Surface Mount (SM) CTQ4435-B, CTS6057-A CTQ4436-B, CTQ4438-B CTQ4437-B Schematics for Through Hole (TH) CTQ4434-B, CTS6000-A CTQ4337-B, CTQ4339-B CTQ4338-B CTQ4343-B CTQ4344-B 12.11.06 Technologies Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2006 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice CENTRAL Standard Flyback Regulators ctparts.com PHYSICAL DIMENSIONS Unit: inch Surface Mount (SM) CTQ4435-B / CTQ4436-B / CTQ4437-B / CTQ4438-B / CTS6057-A 1 12 0.004 MAX 6 7 Recommended Land pattern Through Hole (TH) CTQ4434-B / CTQ4337-B / CTQ4338-B / CTQ4339-B / CTS6000-A 1 4 1 81 4 4 5 8 5 Through Hole (TH) CTQ4343-B / CTQ4344-B Recommended Footprint 12.11.06 Technologies Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2006 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice CENTRAL