Nordtek
 

MHJ -3kV Interface Transformer Modules

Return to normal view

Features

  • excellent output characteristics ensure compliance with CCITT.I.430 pulse waveform template when used with recommended IC pairing
  • SMD modules are designed for pick and place compatibility
  • excellent and consistent balance between windings
  • modular design maximizes suppression effectivity and transmission properties
  • compact module eliminates three components reducing assembly and storage cost
  • full compatibility with all common IC´s
  • operating temperature:-40°C to +85°C
  • storage temperature: -40°C to +125°C

Standard Packaging: Tape and Reel		   MHJ - 3kV Interface Module
   
Electrical Specifications @ 25°C   Turns Ratio: Bold = IC side windings


3kV Modules comply with Reinforced Insulation Level EN60950

Part Number LP
(mH Min.)		 Turns Ratio
±1%		 LL
(µH Max.)		 ^IDC
(mA)		 CC
(pF Max.)		 RCUP
(Ohms)		 RCUS
(Ohms)		 VP
(Vrms)		 Schematic
 MHJ-200B1-XXX
 MHJ-240B1-XXX
 MHJ-230B1-XXX		 30
30
30		 1:1:1:1
1:1:2:2
1:1:2.5:2.5		 10
10
10		 4
4
4		 75
75
75		 1.7
1.7
1.7		 1.9
3.7
4.4		 3,000
3,000
3,000		 A
A
A


Common Mode Quad Choke
Basic PIN Suffix
(Example: MHJ-240B1-502)		 LN
(µH)
 RCU
(Ohms)
0 No Choke
-470 47 0.4
-101 100 0.6
-501 500 0.4
-502 5,000 1.1
-123 12,000 1.8
  Test Conditions:
So Transformer modules comply with Reinforced Insulation Level EN60950:1992/A4: 1997, para. 2.9.4.4 when tested in accordance with 6.4.1
  1. Polarity and Turns Ratio: w1 : w2 : w3 : w4:1:1 %
  2. Inductance: 30mH Minimum, line side windings (w3 w4) in series @ 10kHz, 100mV
  3. Leakage Inductance: 10µH Max. @ 100kHz, 100mV
  4. Quad Choke Inductance: 100kHz, 20mV
  5. Winding Capacitance: CW 150pF Max. (w3 w4)
  6. Coupling Capacitance: CC 75pF Max. (w3 w4 tow1 w2) @ 10kHz, 100mV
  7. High Voltage Test: 4kV, 1 minute U(w3 w4 to w1 w2)
    High Voltage Pulse Test: UPULSE (w3 w4 to w1 w2); 10kVOP for 1.2µs/50µs wave form
    UPULSE (w3 w4 to w1 w2); 10kVOP for 10µs/700µs wave form

Dimensions & Schematic - Pins