• TC-WY Passive isolator TC-WY Passive isolator

TC-WY Passive isolator

Item No: DYT12168208

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TC-WY Passive isolator

· 1 in 1 out, 2 in 2 out, 3 in 3 out, 4 in 4 out, no need for additional power supply signal isolators. 4~20mA isolated transmission.
· TC-WY passive isolators are 4~20mA current signal input, 4~20mA current signal output, no signal isolators that require additional power supply.
· Voltage drop ≤ 2V (20mA).
· Load resistance 0~750Ω
· Accuracy ±0.1%FS
· Thin card-mounted structure, standard 35mm DIN rail card mounting.

Model / selection table:


    Model and code


   Basic model


     Passive isolator

   Channel form


     1 in 1 out


     2 in 2 out


     3 in 3 out


     4 in 4 out

   Input signal



   Output signal



   Service Code


     Product Service Code

   Selection example 
   Example 1: TC-WY44-AA-QC9A ...... (4 in 4 out, passive isolator) 
   Example 2: TC-WY22-AA-QC9A ...... (2 in 2 out, passive isolator)


Technical data:








     Housing Material / Color

PC (Polycarbonate) + PPT Material / Black Gray 

Protection level  



Environmental conditions:

    Ambient temperature


    Ambient temperature (storage or operation)


    Ambient humidity (operation)

    5~95RH (no condensation)



    Input signal


    Voltage drop

    ≤2V (at 20mA)



    Current output


   Load resistance


    Output ripple

    <5mV p-p


General parameters:

   Standard accuracy

    Typical values±0.1%FS

   Temperature drift


   Load change effect


   Response time


   Electrical isolation

    Between input and output: 2500V AC RMS / 1 minute

   Protection parameters

    · Power-on shock protection, power-on slow start >20ms
    · Reverse power supply protection, reverse voltage -30V
    · Output protection, output clamp current 22mA (typical)
    · Port misconnection and surge protection:
      A. The power-input-output between the two ports of the self-loop can withstand the external loop voltage <±24V.
      B. Input-output-power supply can withstand 2500V RMS/1 minute without damage.
      C. The short circuit or open circuit formed by the misconnection of the terminal is not damaged.

   Electromagnetic compatibility (EMC)

    In accordance with IEC 61326-1 (GB/T 18268), IEC 61326-3-1

   Mounting method

    Horizontal or vertical mounting, can be snapped onto standard 35mm DIN rail


Wiring parameters:

   Rigid conductor cross section (min/max)


   Flexible wire cross section (min/max)


   Minimum wire cross section (AWG)


   Maximum wire cross section (AWG)


   Stripping length


   Connection type

    M3 screw fastening connection

   Crew torque

    up to 0.6Nm



    CE certification

    Meet CE standards


Product diagram / terminal wiring diagram:



Product Image Details

TC-WY Passive isolator 1

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