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Q4438-B PDF预览

Q4438-B

更新时间: 2024-11-01 19:42:55
品牌 Logo 应用领域
线艺 - COILCRAFT 变压器
页数 文件大小 规格书
2页 68K
描述
SMPS Transformer,

Q4438-B 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:ObsoleteReach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8504.50.80.00
风险等级:5.58其他特性:TURNS RATIO: 1:1.2; 1:1.2
高度:15.24 mmJESD-609代码:e0
长度:19.05 mm安装特点:SURFACE MOUNT
初级绕组数量:1次级绕组数量:2
最高工作温度:85 °C最低工作温度:-40 °C
输出电压 1:12 V输出电压2:12 V
包装方法:TRAY物理尺寸:L19.05XB18.62XH15.24 (mm)
初级电感:65 µH表面贴装:YES
端子面层:Tin/Lead (Sn/Pb)变压器类型:SMPS TRANSFORMER
宽度:18.62 mmBase Number Matches:1

Q4438-B 数据手册

 浏览型号Q4438-B的Datasheet PDF文件第2页 
Document 183-1  
Magnetics for LM258X Flyback Regulator  
These standard flyback regulator transformers are de-  
signed for use with National Semiconductor LM2585,  
LM2586, LM2587 and LM2588 SIMPLE SWITCHER®  
switchingregulators.Theyareavailableinsurfacemountand  
through hole configurations. All feature 500 V isolation be-  
tween windings and a variety of available turns ratios.  
L at 0 Adc L at Ipk  
Volt-time  
product  
Leakage  
Inductance1  
DCR (Ohms)  
Pri Sec  
Ref.  
Part  
±15%  
(µH)  
min  
Ipk2  
number number  
T1 (SM) Q4435-B  
T1 (PC) Q4434-B  
T2 (SM) Q4436-B  
(µH)  
max (Vµsec) max (µH)  
Turns ratio  
1:1  
(A)  
22  
22  
22  
19.0  
19.8  
19.0  
166.5  
162.0  
166.5  
0.7  
2.0  
0.5  
0.020  
0.028  
0.025  
0.025  
0.028  
4.85  
5.0  
1:1  
0.23 (10-11)  
0.25 (9-8)  
1 : 2.5 : 2.5  
5.0  
T2 (PC) Q4337-B  
T3 (PC) Q4343-B  
T4 (PC) Q4344-B  
22  
85  
85  
19.8  
76.5  
76.5  
162.0  
364.5  
364.5  
2.0  
3.5  
3.5  
0.030  
0.150  
0.145  
0.32 (8-7, 6-5)  
1 : 2.5 : 2.5  
5.0  
3.0  
3.0  
0.011 (10-9, 7-6)  
1 : 0.8 : 0.8  
0.20 (10-9, 7-6)  
0.03 (4-5)  
1 : 0.35 : 0.8 : 0.8  
T5 (SM) Q4437-B  
T5 (PC) Q4338-B  
55  
66  
47.3  
59.4  
299.7  
499.5  
2.0  
3.5  
0.110  
0.090  
0.035 (3-2)  
0.30 (9-8)  
0.32 (4-5)  
1 : 0.5 : 1.167 : 1.167  
1 : 0.5 : 1.167 : 1.167  
3.0  
3.0  
0.039 (8-7)  
0.58 (6-5)  
0.60 (3-4)  
T6 (SM) Q4438-B  
T6 (PC) Q4339-B  
65  
66  
57.0  
59.4  
299.7  
499.5  
3.0  
3.0  
0.065  
0.090  
0.15 (10-11, 9-8)  
1 : 1.2 : 1.2  
1 : 1.2 : 1.2  
3.0  
3.0  
0.20 (8-7)  
0.24 (5-6)  
T7 (SM) S6057-A  
T7 (PC) S6000-A  
47  
47  
40.0  
40.0  
233.1  
212.6  
2.0  
2.0  
0.065  
0.065  
0.065  
0.042  
1 :1  
1:1  
3.0  
3.0  
1. Leakage inductance measured across the primary at 0.10 Vrms, 100 kHz.  
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.  
Schematics – Surface Mount  
T1, T7  
T2, T6  
T5  
3
3
3
2
10  
11  
10  
10  
0.5  
2
2
11  
9
11  
9
1.167  
1.167  
8
8
4
5
Schematics – Leaded  
T1, T7  
T2, T6  
T3  
T4  
T5  
2
2
2
1
7
8
7
10  
10  
7
0.5  
0.8  
0.8  
1
1
8
6
9
7
9
7
8
1
2
1
2
6
1.167  
5
5
6
6
4
3
0.35  
1.167  
4
5
Specifications subject to change without notice. Document 183-1 Revised 12/05/03  

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