Q4343-B Datasheet: (Q43xx4-B) Transformer





Q4343-B (Q43xx4-B) Transformer Datasheet

Part Number Q4343-B
Description (Q43xx4-B) Transformer
Manufacture Coilcraft
Total Page 1 Pages
PDF Download Download Q4343-B Datasheet PDF

Features: www.DataSheet4U.com Document 183 Magne tics for LM258X Flyback Regulator These standard flyback regulator transformer s are designed for use with National Se miconductor LM2585, LM2586, LM2587 and LM2588 SIMPLE SWITCHER ® switching reg ulators. They are available in both sur face mount and through hole configurati ons. All feature 500 V isolation betwee n windings and a variety of available t urns ratios. Ref. number T1 (SM) T1 (PC ) T2 (SM) T2 (PC) T3 (PC) T4 (PC) T5 (S M) T5 (PC) T6 (SM) T6 (PC) T7 (SM) T7 ( PC) Part number Q4435-B Q4434-B Q4436-B Q4337-B Q4343-B Q4344-B Q4437-B Q4338- B Q4438-B Q4339-B S6057-A S6000-A L ±1 5% (µH) 22 22 22 22 85 85 55 66 65 66 47 47 Turns ratio 1:1 1:1 1 : 2.50 : 2. 50 1 : 2.50 : 2.50 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 : 1.20 : 1.20 1 : 1.20 : 1.20 1:1 1:1 Isolation pri/ sec (Vrms) 500 500 500 500 500 500 500 500 500 500 500 500 1 Operating temper ature range -40° C to +85°C. 2 Electrical specifications at 25° C..

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Document 183
Magnetics for LM258X Flyback Regulator
These standard flyback regulator
transformers are designed for use
with National Semiconductor LM2585,
LM2586, LM2587 and LM2588
SIMPLE SWITCHER® switching
regulators. They are available in
both surface mount and through hole
configurations. All feature 500 V
isolation between windings and a
variety of available turns ratios.
1 Operating temperature range -40° C to +85°C.
2 Electrical specifications at 25° C.
Ref.
number
T1 (SM)
T1 (PC)
T2 (SM)
T2 (PC)
T3 (PC)
T4 (PC)
T5 (SM)
T5 (PC)
T6 (SM)
T6 (PC)
T7 (SM)
T7 (PC)
Surface Mount - T1, T2, T5, T6, T7
Part
number
Q4435-B
Q4434-B
Q4436-B
Q4337-B
Q4343-B
Q4344-B
Q4437-B
Q4338-B
Q4438-B
Q4339-B
S6057-A
S6000-A
L ±15%
(µH)
22
22
22
22
85
85
55
66
65
66
47
47
Turns
ratio
1:1
1:1
1 : 2.50 : 2.50
1 : 2.50 : 2.50
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 : 1.20 : 1.20
1 : 1.20 : 1.20
1:1
1:1
Isolation
pri/sec
(Vrms)
500
500
500
500
500
500
500
500
500
500
500
500
T1, T7
T2, T6
T5
A max
B max
C max
D
EG
1.00/25,40 .750/19,05 .600/15,24 .870/22,10 .670/17,02 .100/2,54
HI
.150/3,81 .100 x .020/2,54 x 0,51
Leaded - T1, T2, T5, T6, T7
1
T1, T7
T2, T6
T5
A max
B max
C max
D max
F
G
.950/24,13 .825/20,96 .700/17,78 .180/4,57 .514/13,06 .150/3,81
H
.200/5,08
I dia.
.047/1,19
Leaded - T3, T4
T3 T4
A max
1.100/27,94
B max
1.100/27,94
C max
D max
F
GH
.950/24,13 .180/4,57 .620/15,75 .150/3,81 .200/5,08
I dia.
.044/1,12
Specifications subject to change without notice. Document 183 Revised 12/29/00
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