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Product Detailed Parameters
- Description:PULSE XFMR 2:1:1 4MH
- Series:-
- Mfr:Murata Power Solutions Inc.
- Package:Tube
- Transformer Type:SCR and Triac Trigger (Encapsulated)
- Inductance:4mH
- ET (Volt-Time):240VµS
- Turns Ratio - Primary:Secondary:2:01:01
- Mounting Type:Through Hole
- Size / Dimension:1.000" L x 0.799" W (25.40mm x 20.30mm)
- Height - Seated (Max):0.484" (12.30mm)
- Operating Temperature:0°C ~ 70°C
- Grade:-
- Qualification:-
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Overview
The Murata Power Solutions 77206C is a pulse transformer designed for medium power applications in switch mode power supplies and thyristor or triac firing circuits. It features a 2:1:1 turns ratio, an inductance of 4 mH, primary leakage inductance of 11 uH, and capacitance of 35 pF. The component utilizes a through-hole encapsulated construction suitable for industrial environments.
Feature Summary
- Encapsulated through-hole construction for durability
- Optimized for thyristor and triac firing applications
- Designed for medium power switch mode power supply contexts
Applications
- Thyristor firing circuits
- Triac firing circuits
- Switch mode power supplies
Procurement Notes
Verify the current manufacturing status before procurement as public records indicate this product may be obsolete or no longer manufactured. Confirm availability with authorized distributors and check for valid replacement alternatives if production has ceased. Ensure the specific encapsulation type matches your assembly requirements.
Selection Notes
Select this component when a 2:1:1 turns ratio and 4 mH inductance are required for gate drive isolation. The through-hole package suits high-reliability industrial assemblies. Evaluate the 11 uH leakage inductance and 35 pF capacitance against circuit timing constraints to ensure proper signal integrity in firing applications.
Part Context
The 772 series comprises pulse transformers intended for robust industrial use. The 77206C specifically addresses the isolation and drive requirements for power semiconductor control. Its encapsulated design provides environmental protection while maintaining electrical performance in demanding switching environments.
Replacement Considerations
Public documentation indicates the 77206C may be obsolete. Verify active status with Murata Power Solutions. If unavailable, consult official cross-reference lists for direct replacements within the 772 series or equivalent pulse transformers with matching 2:1:1 ratios and 4 mH inductance.
FAQ
What is the turns ratio of the 77206C?
The 77206C has a 2:1:1 turns ratio.
Is the 77206C suitable for medical applications?
Official datasheets specify the 772 series for industrial and power supply applications; medical suitability requires separate verification of insulation ratings and safety standards not explicitly confirmed for this part number.
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