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參數資料
| 型號： | 78250MV |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類： | 脈沖/數據通信變壓器 |
| 英文描述： | Converter Transformers |
| 中文描述： | DATACOM TRANSFORMER FOR GENERAL PURPOSE APPLICATION(S) |
| 封裝： | SURFACE MOUNT, 6 PIN |
| 文件頁數： | 1/2頁 |
| 文件大小： | 130K |
| 代理商： | 78250MV |
FEATURES
I
Maxim Compatible
I
Isolation to 4kV
I
Surface Mount Options
I
Toroidal Construction
I
Standard Pinout
I
UL 94V-0 Package Material
I
Fully Encapsulated
I
Low Profile
I
Industrial Temperature Range
DESCRIPTION
The 78250 series of converter transformers
are specifically designed for use with Maxim
chipsets to provide isolated RS232 interfaces.
Carefully controlled turns ratios ensure
consistent performance whilst a toroidal
construction minimises EMI. The surface
mount devices are fully compatible with
CECC00802 to 280°C which allows them to
be placed and reflowed with IC’s thus
reducing time and cost in production.
SELECTION GUIDE 78250/78250M
Parameter
Conditions
MIN
TYP
MAX
Units
Primary Inductance, L
P
10kHz, 100mV
1.0
2.0
2.5
mH
Leakage Inductance, L
L
100kHz, 100mV
2.0
3.0
μH
Interwinding Capacitance, C
WW
100kHz, 100mV
69
90
pF
D.C. Resistance, R
DC
<0.1VDC
1.0
2.0
Volt-time Product, E
T
5kHz, 5V
50
Vμs
SELECTION GUIDE 78250V/78250MV
Parameter
Conditions
MIN
TYP
MAX
Units
Primary Inductance, L
P
10kHz, 100mV
1.0
2.0
2.5
mH
Leakage Inductance, L
L
100kHz, 100mV
35
40
μH
Interwinding Capacitance, C
WW
100kHz, 100mV
9
12
pF
D.C. Resistance, R
DC
<0.1VDC
1.4
1.8
Volt-time Product, E
T
5kHz, 5V
50
Vμs
Operating free air temperature range
Storage temperature range
Lead Temperature 1.5mm from case for 10 seconds
Peak current I
PK
Isolation voltage 78250(M) (flash tested for 1 second)
Isolation voltage 78250V(M) (flash tested for 1 second)
–40°C to 85°C
–50°C to 125°C
300°C
300mA
1500Vrms
4000Vrms
ABSOLUTE MAXIMUM RATINGS
All specifications typical at T
A
= 2 5 C
78250 SERIES
Converter Transformers
www.dc-dc.com
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| 784215A | MOS INTEGRATED CIRCUIT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 78250MVC | 功能描述:電源變壓器 2mH 9pF 6 pin SM RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級電壓額定值:115 V / 230 V 次級電壓額定值:12 V / 24 V 安裝風格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長度:2.5 in 寬度:2 in 高度:1.062 in |
| 78250MVC-R | 功能描述:DC/DC轉換器 Max250TX4kVDC 2.5mHD RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| 78250MV-R | 制造商:Murata Power Solutions 功能描述:Pulse Transformer 4000Vrms 1.8Ohm Prim. DCR 12pF 50Vus Surface Mount |
| 78250V | 功能描述:電源變壓器 CONVERTER XFRMR RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級電壓額定值:115 V / 230 V 次級電壓額定值:12 V / 24 V 安裝風格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長度:2.5 in 寬度:2 in 高度:1.062 in |
| 78250VC | 功能描述:電源變壓器 2mH 9pF 6 pin DIL RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級電壓額定值:115 V / 230 V 次級電壓額定值:12 V / 24 V 安裝風格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長度:2.5 in 寬度:2 in 高度:1.062 in |
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