CTQ4435-B Datasheet, PDF (1/2 Pages) Central Technologies – Standard Flyback Regulators

Standard Flyback Regulators
Equivalent Magnetics for
LM258x Flyback Regulator
RoHS
Compliant
Available
ctparts.com
Not shown at actual size.
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
Part Number
CTQ4435-B_
CTQ4434-B_
CTQ4436-B_
Type
SM
TH
SM
L at 0 Adc
±15%
(µH)
22
22
22
L at Ipk
Min.
(µH)
19.0
19.8
19.0
ORDERING INFO
CTQ~~~~-BF Please specify “F” for RoHS compliant
Volt-time
product
Max. (Vµsec)
Leakage
Inductance¹
Max. (µH)
DCR
Primary
(Ω)
166.5
162.0
166.5
0.7
0.020
2.0
0.028
0.5
0.025
CTQ4337-B_
TH
22
19.8
162.0
CTQ4343-B_
TH
85
76.5
364.5
CTQ4344-B_
TH
85
76.5
364.5
2.0
0.030
3.5
0.150
3.5
0.145
CTQ4437-B_
SM
55
47.3
299.7
2.0
0.110
CTQ4338-B_
TH
66
59.4
499.5
3.5
0.090
CTQ4438-B_
SM
65
57.0
299.7
CTQ4339-B_
TH
66
59.4
499.5
CTS6057-A_
SM
47
40.0
233.1
CTS6000-A_
TH
47
40.0
212.6
Schematics for Surface Mount (SM)
CTQ4435-B, CTS6057-A
CTQ4436-B, CTQ4438-B
3.0
3.0
2.0
2.0
SCHEMATICS
CTQ4437-B
0.065
0.090
0.065
0.065
DCR
Secondary
(Ω)
Turns Ratio
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
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
1:0.5:1.167:1.167
1:1.2:1.2
1:1.2:1.2
1:1
1:1
Ipk²
(A)
4.85
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
Schematics for Through Hole (TH)
CTQ4434-B, CTS6000-A
CTQ4337-B, CTQ4339-B
CTQ4338-B
CTQ4343-B
CTQ4344-B
CENTRAL
12.11.06
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