参数资料
型号: 73M1866B-KEYCHN
厂商: Maxim Integrated Products
文件页数: 26/88页
文件大小: 0K
描述: BOARD KEYCHAIN INF DANUBE EVM
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
73M1866B/73M1966B Data Sheet
DS_1x66B_001
32
Rev. 1.6
4.4
Isolation Barrier Pulse Transformer
The isolation element used by the 73M1x66B is a standard digital pulse transformer. Several vendors
supply compatible transformers with up to 6000 V ratings. Since the transformer is the only component
crossing the isolation barrier other than EMI capacitors that may be required, it solely determines the
isolation between the PSTN and the FXO’s digital interface. This method of isolation is significantly
superior to other isolation techniques with major advantages in high common mode voltage operation,
lower radiated noise (EMI) and improved operation in noisy environments. Table 29 lists some pulse
transformers compatible with the 73M1x66B. The table also includes low-voltage transformers that offer
low-cost alternatives if such voltages are sufficient.
Table 29: Compatible Pulse Transformer Sources
Company
Number
Sumida
ESMIT 4180
ESMIT 4181
Wurth Electronics Midcom Inc.
750110001
UMEC
TG-UTB01543S
Datatronics
PT79280
AAsupreme
P950003
Table 30 lists some of the typical pulse transformer specifications used by the 73M1x66B. Contact the
manufacturer directly for product information.
Table 30: Pulse Transformer Electrical Characteristics
Parameter
Test Condition
Min
Nom
Max
Tolerance
Unit
Inductance
100 kHz, 10 mVAC, 1-2, Ls.
54
60
200
μH
Interwinding
Capacitance
6
pF
Turn Ratio
1:1
±2 %
N/A
DC Resistance
Primary
0.25
Ω
Secondary
0.25
Ω
Dielectric Breakdown
Voltage
1 sec
2000
3750
Vrms
ET Constant
1.2
V
μs
Surge Test
1.2 x 50
μs
2800
6000
V
Operating Temperature
-40
85
°C
相关PDF资料
PDF描述
UPS2D221MRD6 CAP ALUM 220UF 200V 20% RADIAL
73M1822-KEYCHN BOARD KEYCHAIN 73M1822 42-QFN
78Q2133-DB EVAL BOARD 78Q2133
MAX14821EVKIT# EVAL KIT MAX14821
UVZ1C472MHD CAP ALUM 4700UF 16V 20% RADIAL
相关代理商/技术参数
参数描述
73M1902-IM/F 功能描述:电信线路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
73M1902-IMR/F 功能描述:电信线路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
73M1902-IVT/F 功能描述:电信线路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
73M1902-IVTR/F 功能描述:电信线路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
73M1903 制造商:未知厂家 制造商全称:未知厂家 功能描述:Soft Modem AFEs