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78253/55JC-R PDF预览

78253/55JC-R

更新时间: 2024-02-19 06:54:43
品牌 Logo 应用领域
村田 - MURATA 变压器
页数 文件大小 规格书
5页 366K
描述
SMPS Transformer, 1W, ROHS COMPLIANT

78253/55JC-R 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:ROHS COMPLIANTReach Compliance Code:compliant
ECCN代码:EAR99风险等级:1.56
其他特性:TURNS RATIO: 1:1.31高度:6.35 mm
最大输入电压:5 VJESD-609代码:e3
长度:9.52 mm安装特点:SURFACE MOUNT
初级绕组数量:1次级绕组数量:1
最大工作频率:500 kHz最高工作温度:85 °C
最低工作温度:-40 °C输出电压 1:5 V
包装方法:TAPE & REEL物理尺寸:L9.52XB8.99XH6.35 (mm)
额定功率:1 W初级电感:1100 µH
表面贴装:YES端子面层:Matte Tin (Sn)
变压器类型:SMPS TRANSFORMER宽度:8.99 mm
Base Number Matches:1

78253/55JC-R 数据手册

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78253J Series  
MAX253 Compatible Converter SM Transformers  
SELECTION GUIDE  
Output  
Voltage  
Max. Output  
Current  
Isolation  
Voltage  
Input Voltage  
Turns  
Ratio  
Order Code  
V
V
mA  
100  
200  
100  
200  
VDC  
78253/35JC  
78253/55JC  
78253/35JVC  
78253/55JVC  
3.3  
5.0  
3.3  
5.0  
5.0  
5.0  
5.0  
5.0  
1500  
1500  
4000  
4000  
1:2.27  
1:1.31  
1:2.14  
1:1.33  
ORDER CODE DETAILS  
Order Code  
FEATURES  
nJ-STD-020D reflow  
Package Type  
Packaging Type  
Tube  
Quantity  
78253/XXJ(V)C  
78253/XXJ(V)C-R  
6 Pin SM  
6 Pin SM  
50  
Tape & Reel  
500  
nRoHS compliant  
78253/35JC CHARACTERISTICS  
Parameter  
Primary Inductance, LP  
nMaxim MAX253 compatible  
n3.3V and 5V versions  
nIsolation to 4kVDC  
Conditions  
Min.  
0.27  
1.60  
Typ.  
0.36  
2.00  
0.32  
24  
Max.  
Units  
mH  
mH  
μH  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
0.50  
2.40  
1.00  
50  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
nFrequency range to 500kHz  
nToroidal construction  
nIndustry-standard pinout  
nUL 94 V-0 package materials  
nLow profile  
pF  
0.5  
1.00  
Vμs  
Pins 1/2 or 2/3  
30  
49  
78253/55JC CHARACTERISTICS  
Parameter  
Primary Inductance, LP  
Conditions  
Min.  
0.57  
1.10  
Typ.  
0.83  
1.40  
0.51  
30  
Max.  
1.10  
1.70  
1.00  
50  
Units  
mH  
mH  
μH  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
nIndustrial temperature range  
pF  
DESCRIPTION  
0.70  
70  
1.50  
Vμs  
Pins 1/2 or 2/3  
40  
The 78253 series of converter transformers are  
specifically designed for use with the MAX253  
chip set to provide isolated power supplies. The  
5V input version can supply 1W and the 3.3V  
input version can supply 500mW. A centre tapped  
secondary winding allows for full bridge, half  
bridge or voltage doubling.  
78253/35JVC CHARACTERISTICS  
Parameter  
Conditions  
Min.  
110  
550  
Typ.  
142  
710  
3.46  
2
Max.  
203  
Units  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 20mV  
100kHz, 20mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
850  
μH  
5.00  
8.00  
0.50  
μH  
pF  
For through hole versions see 78253 series  
datasheet.  
0.30  
30  
Vμs  
Pins 1/2 or 2/3  
18  
78253/55JVC CHARACTERISTICS  
Parameter  
Conditions  
Min.  
170  
350  
Typ.  
240  
444  
6.28  
3.4  
Max.  
335  
Units  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 20mV  
100kHz, 20mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
540  
μH  
8.00  
8.00  
0.60  
μH  
pF  
0.40  
37  
Vμs  
Pins 1/2 or 2/3  
25  
All specifications typical at TA=25°C  
For full details go to  
www.murata-ps.com/rohs  
www.murata-ps.com/support  
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232  
2014-06-10 KMP_78253JC_A03 Page 1 of 5  

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