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| 型号： | 782482/33VC |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | XFRMR CONV ADM2482 3.3V IN |
| 产品培训模块： | 782482 Series Transformers Overview |
| 产品目录绘图： | 782 Series Through Hole Side 782 Series Top |
| 标准包装： | 50 |
| 系列： | 782482 |
| 变压器类型： | 隔离和数据接口（封装式） |
| 电感： | 310µH |
| 匝数比 - 主:副： | 1CT : 1.33CT |
| 安装类型： | 通孔 |
| 尺寸/尺寸： | 9.77mm L x 9.14mm W |
| 高度 - 座高（最大）： | 6.35mm |
| 相关产品： | ADM2482EBRWZ-ND - IC TXRX RS485 ISO W/ESD 16SOIC ADM2482EBRWZ-REEL7-ND - IC TXRX RS485 ISO W/ESD 16SOIC |
| 其它名称： | 811-2153-5 |
www.murata-ps.com
SELECTION GUIDE
782482 Series
ADM2482E/ADM2487E Compatible Converter Transformers
Order Code
782482/33VC
782482/53VC
Nominal Input
Voltage
V
3.3
5.0
Nominal Output
Voltage
V
3.3
3.3
Isolation Voltage
V DC
4000
4000
Turns
Ratio
1CT:1.33CT
1.14CT:1CT
Package
Style
DIL
DIL
CHARACTERISTICS
Primary Inductance, L
Leakage Inductance, L
FEATURES
RoHS compliant
Parameter
1
P
1
L
Conditions
100kHz, 20mV
100kHz, 250mV
782482/33VC
Min. Max.
190 310
8
782482/53VC
Min. Max.
150 260
8
Units
μH
μH
Analog Devices ADM2482E/ADM2487E
compatible
Interwinding Capacitance, C WW
Primary DC Resistance, R DC1
Volt-time Product, Et 2
100kHz, 250mV
<0.1VDC
5kHz, 5V
13
8
600
13
8
600
pF
mΩ
Vμs
4.0kV DC isolation
Industry-standard pinout
ABSOLUTE MAXIMUM RATINGS
UL 94 V-0 package materials
Low pro?le
Toroidal construction
Fully encapsulated
Industrial temperature range
Surface mount versions available soon
Recommended by Analog Devices, Inc.
Backward compatible with
Sn/Pb soldering systems
DESCRIPTION
The 782482 series of converter transformers are
speci?cally designed for use with Analog Devices
chipsets to provide isolated RS-485 and RS-422
interfaces. Carefully controlled turns ratios
ensure consistent performance whilst a toroidal
construction minimises EMI.
Operating free air temperature range
Storage temperature range
Isolation voltage (?ash tested for 1 second)
SOLDERING INFORMATION 3
Peak wave solder temperature
Pin ?nish
Speci?cations typical at T A = 25°C
1 L P , L L and R DC measured between pins 1-3.
2 Where pulse applied across pins 1 and 2.
3 For further information, please visit www.murata-ps.com/rohs
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Volt-
age’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’
are all terms that relate to the same thing, a test voltage,
applied for a speci?ed time, across a component designed
to provide electrical isolation, to verify the integrity of that
isolation.
All products in this series are 100% production tested at
their stated isolation voltage.
A question commonly asked is, “What is the continuous
voltage that can be applied across the part in normal opera-
tion?”
For a part holding no speci?c agency approvals both input
and output should normally be maintained within SELV limits
i.e. less than 42.4V peak, or 60VDC. The isolation test volt-
age represents a measure of immunity to transient voltages
and the part should never be used as an element of a safety
isolation system. The part could be expected to function cor-
rectly with several hundred volts offset applied continuously
across the isolation barrier; but then the circuitry on both
sides of the barrier must be regarded as operating at an
unsafe voltage and further isolation/insulation systems must
form a barrier between these circuits and any user-acces-
sible circuitry according to safety standard requirements.
-40°C to 85°C
-50°C to 125°C
4.0kV DC
260?C for 10 seconds
Matte tin
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation
testing of a barrier component can actually degrade
isolation capability, to a lesser or greater degree
depending on materials, construction and environ-
ment. This series has toroidal isolation transformers,
with no additional insulation between primary and
secondary windings of enameled wire. While parts
can be expected to withstand several times the
stated test voltage, the isolation capability does de-
pend on the wire insulation. Any material, including
this enamel (typically polyurethane) is susceptible
to eventual chemical degradation when subject to
very high applied voltages thus implying that the
number of tests should be strictly limited. We there-
fore strongly advise against repeated high voltage
isolation testing, but if it is absolutely required, that
the voltage be reduced by 20% from speci?ed test
voltage.
This consideration equally applies to agency recog-
nized parts rated for better than functional isolation
where the wire enamel insulation is always supple-
mented by a further insulation system of physical
spacing or barriers.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KMP_782482C_A02 Page 1 of 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 782485 | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:ADM2485 Compatible Converter Transformers |
| 782485/35C | 功能描述:电源变压器 3.3Vin 6Vout 200mA 2500Vrms RoHS:否 制造商:Triad Magnetics 功率额定值:12 VA 初级电压额定值:115 V / 230 V 次级电压额定值:12 V / 24 V 安装风格:SMD/SMT 一次绕组:Dual Primary Winding 二次绕组:Dual Secondary Winding 长度:2.5 in 宽度:2 in 高度:1.062 in |
| 782485/55C | 功能描述:电源变压器 5Vin 6Vout 200mA 2500Vrms RoHS:否 制造商:Triad Magnetics 功率额定值:12 VA 初级电压额定值:115 V / 230 V 次级电压额定值:12 V / 24 V 安装风格:SMD/SMT 一次绕组:Dual Primary Winding 二次绕组:Dual Secondary Winding 长度:2.5 in 宽度:2 in 高度:1.062 in |
| 78249 SL001 | 功能描述:18 (9 Pair Twisted) Conductor Multi-Pair Cable Slate 20 AWG Foil 1000' (304.80m) 制造商:alpha wire 系列:EcoCable? Mini 零件状态:有效 电缆类型:多线对 导体数:18（9 对双绞线） 线规:20 AWG 导线股数:19/32 导体材料:铜，镀锡 护套（绝缘）材料:聚苯醚（PPE） 护套（绝缘）直径:0.400"（10.16mm） 屏蔽类型:箔 长度:1000'（304.80m） 套管颜色:瓦色 等级:ISO 10993，UL 式 21460 特性:生物相容性，加蔽线，拉绳 电压:300V 工作温度:-40°C ~ 80°C 使用:- 导体绝缘:聚苯醚（PPE） 护套（绝缘）厚度:0.015"（0.39mm） 屏蔽材料:铝 屏蔽范围:1 标准包装:1 |
| 78249 SL005 | 功能描述:18 (9 Pair Twisted) Conductor Multi-Pair Cable Slate 20 AWG Foil 100.0' (30.5m) 制造商:alpha wire 系列:EcoCable? Mini 零件状态:有效 电缆类型:多线对 导体数:18（9 对双绞线） 线规:20 AWG 导线股数:19/32 导体材料:铜，镀锡 护套（绝缘）材料:聚苯醚（PPE） 护套（绝缘）直径:0.400"（10.16mm） 屏蔽类型:箔 长度:100.0'（30.5m） 套管颜色:瓦色 等级:ISO 10993，UL 式 21460 特性:生物相容性，加蔽线，拉绳 电压:300V 工作温度:-40°C ~ 80°C 使用:- 导体绝缘:聚苯醚（PPE） 护套（绝缘）厚度:0.015"（0.39mm） 屏蔽材料:铝 屏蔽范围:1 标准包装:1 |
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