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EPC3248G-13LF PDF预览

EPC3248G-13LF

更新时间: 2024-11-07 20:54:27
品牌 Logo 应用领域
PCA 变压器PC
页数 文件大小 规格书
2页 53K
描述
SMPS TRANSFORMER, LEAD FREE

EPC3248G-13LF 技术参数

生命周期:Active包装说明:LEAD FREE
Reach Compliance Code:unknown风险等级:5.65
其他特性:HEIGHT DIM INCLUDES TERMINAL ALSO认证:UL
高度:10.8 mm最大输入电压:57 V
最小输入电压:36 V长度:21.7 mm
安装特点:SURFACE MOUNT初级绕组数量:2
次级绕组数量:3输出电压 1:3.3 V
包装方法:TUBE物理尺寸:21.7mm X 21.2mm X 10.8mm
初级电感:25 µH表面贴装:YES
端子面层:NOT SPECIFIED变压器类型:SMPS TRANSFORMER
宽度:21.2 mmBase Number Matches:1

EPC3248G-13LF 数据手册

 浏览型号EPC3248G-13LF的Datasheet PDF文件第2页 
Power over Ethernet (PoE/PD)  
Flyback Transformer  
E L E C T R O N I C S I N C .  
EPC3248G-X & EPC3248G-X-LF  
• Used in SMPS DC/DC Converter as a Flyback  
Transformer in PoE/Powered Devices (PD)  
• Switching Frequency : 300 KHz to 400 KHz  
• Add “-LF” after part number for Lead Free  
* 40 % Duty Cycle Typ. @ 48 V Input  
• UL 94V-0 Recognized Components  
• UL 1446 Class B Insulation System  
• Low Core Loss Material  
Electrical Specifications @ 25°C  
Part  
Chipset  
PoE  
PD  
Class  
Voltage  
Primary OCL  
(µH ± 10%)  
@ 300 KHz,  
0.1 Vrms  
Current  
Package Schematic  
Type  
Number  
Class  
Power  
(Watts)  
Usage  
(Vdc)  
(Amp.)  
Fb  
Fb  
V In  
36-57  
36-57  
V Out  
3.3  
Min.  
Max.  
Bias  
Sec 1 Bias  
EPC3248G-1  
EPC3248G-2  
EPC3248G-3  
EPC3248G-4  
EPC3248G-5  
EPC3248G-6  
EPC3248G-7  
EPC3248G-8  
EPC3248G-9  
EPC3248G-10  
EPC3248G-11  
EPC3248G-12  
EPC3248G-13  
EPC3248G-14  
EPC3248G-15  
DPA425  
DPA425  
DPA425  
DPA423  
DPA423  
DPA423  
DPA424  
DPA424  
DPA424  
DPA424/5  
DPA424/5  
DPA424/5  
DPA426  
DPA426  
DPA426  
0
0.44 12.95  
0.44 12.95  
0.44 12.95  
ER14.5  
ER14.5  
ER14.5  
ER9.5  
ER9.5  
ER9.5  
ER11  
1
1
1
2
2
2
1
1
1
1
1
1
3
3
3
Default  
Default  
Default  
13.2  
120  
120  
120  
200  
200  
200  
120  
120  
120  
120  
120  
120  
25  
3.92 .050  
2.59 .050  
1.08 .050  
1.16 .050  
0.77 .050  
0.32 .050  
1.97 .050  
1.30 .050  
0.54 .050  
3.92 .050  
2.59 .050  
1.08 .050  
12.12 .050  
0
5.0 13.33  
0
36-57 12.0 12.0  
1
0.44  
0.44  
0.44  
3.84  
3.84  
3.84  
3.84  
3.84  
3.84  
6.49  
6.49  
6.49  
Optional  
Optional  
Optional  
Optional  
Optional  
Optional  
Optional  
Optional  
Optional  
Reserved  
Reserved  
Reserved  
36-57  
36-57  
3.3  
13.2  
1
5.0 13.33  
1
36-57 12.0 12.0  
2
36-57  
36-57  
3.3  
5.0  
13.2  
13.0  
2
ER11  
ER11  
2
36-57 12.0 12.0  
3
6.49 12.95  
6.49 12.95  
6.49 12.95  
Reserved  
Reserved  
Reserved  
ER14.5  
ER14.5  
ER14.5  
EFD20  
EFD20  
EFD20  
36-57  
36-57  
3.3  
5.0  
13.2  
13.2  
3
3
36-57 12.0 12.0  
4(PoEP)  
4(PoEP)  
4(PoEP)  
36-57  
36-57  
3.3  
5.0  
13.2  
13.2  
25  
25  
8.0  
.050  
36-57 12.0 12.0  
3.33 .050  
Isolation : Pri., Bias to Sec. ; 1500 Vrms  
• Isolation : Pri. to Bias ; 500 Vrms •  
Note : Class 4 is currently reserved for Power over Ethernet Plus (PoEP) and should not be used at this time.  
Notes :  
EPC3248-X  
EPC3248-X-LF  
1. Assembly Process (Solder Composition)  
SnPb  
Pb-Free  
2. Peak Solder Rating  
225°C  
1
260°C  
1
(per IPC/JEDEC-J-STD-020C)  
3. Moisture Sensitive Levels (MSL)  
(per IPC/JEDEC-J-STD-020C)  
(Unlimited, £30°C/60%RH) (Unlimited, £30°C/60%RH)  
4. Weight  
TBD grams  
TBD grams  
5. Packaging Information  
(Tube)  
TBD pcs / tube  
TBD pcs / tube  
Schematic 1  
Schematic 2  
Schematic 3  
(Reserved for Class 4 PoEP)  
1
1
12  
11  
1
10  
8
V In  
V In (Pins 1-3)  
[36-57 Vdc]  
V In (Pins 1-3)  
[36-57 Vdc]  
2
3
4
5
2
3
5
6
[36-57 Vdc]  
10  
Sec. 1  
9
9
Sec. 1  
7
7
Sec. 1  
6
2
3
Fb/Bias  
[13.2 V/0.05 A]  
Fb/Bias  
[13.2 V/0.05 A]  
Fb/Bias  
[13.2 V/0.05 A]  
8
7
4
6
5
Note :  
Note :  
Note :  
1. Input Pins : Pins 1 & 3  
1. Input Pins : Pins 1 & 2  
1. Input Pins : Pins 1 & 3  
2. Connect Pins 9,10 and 6,7 in  
user board for higher power  
2. Connect Pins 8,7 and 5,6 in  
user board for higher power  
2. Connect Pins 12,11,10 and 9,8,7  
in user board for higher power  
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25  
Product performance is limited to specified parameters. Data is subject to change without prior notice.  
CSC3248G-X & -LFa Rev. 3 9/26/05 FT  
PCA ELECTRONICS, INC.  
16799 SCHOENBORN ST.  
NORTH HILLS, CA 91343  
TEL: (818) 892-0761  
FAX: (818) 894-5791  
http://www.pca.com  

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