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Product Detailed Parameters
- Description：ISO MOD DC 1C:0.375C 18VUS 4.5KV
- Series：-
- Mfr：HALO Electronics, Inc.
- Package：Tube
- Mounting Type：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：-
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：-
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：-
- Frequency Range：-
- Frequency Response：-
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The TGMR-Q420V8LF is a pulse transformer isolation module from HALO Electronics, designed for surface mount applications. It features a gull-wing package with six pins and provides an insulation voltage of 4.5 kVrms. The component has a turns ratio of 1:0.375 and a maximum operating temperature of +85°C. Its physical dimensions are 12.19 mm in length, 9.45 mm in width, and 10.03 mm in height.
Feature Summary
- Provides high-voltage electrical isolation via a 4.5 kVrms dielectric barrier.
- Utilizes a surface-mount gull-wing package for automated PCB assembly.
- Engineered for DC-DC converter circuits with specified voltage-time product limits.
Applications
- Isolated DC-DC converter modules
- Power supply gate drive circuits
- Industrial control system interfaces
Procurement Notes
Verify the specific suffix LF to confirm lead-free compliance status against current RoHS directives. Confirm that the gull-wing pin configuration matches the target footprint design. Ensure the 4.5 kVrms isolation rating meets the safety requirements of the end application environment.
Selection Notes
Select this component when a compact SMD solution with high isolation voltage is required for power conversion. Compare the 1:0.375 turns ratio against circuit requirements. Evaluate the thermal performance at +85°C against system constraints.
Part Context
This part belongs to the TGMR series of isolation modules by HALO Electronics. It is categorized under pulse transformers and serves as a specialized component for isolated power architectures. The series offers various voltage ratings and package options for different industrial needs.
Replacement Considerations
Consult official HALO documentation for direct cross-references. Verify pinout compatibility and isolation voltage equivalence before substituting with other manufacturers' pulse transformers.
