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B82804A0694A115
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Product Detailed Parameters
- Description：PULSE XFMR 1.5:1 690UH
- Series：EP5
- Mfr：EPCOS - TDK Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transformer Type：Gate Drive
- Inductance：690µH
- ET (Volt-Time)：40.8VµS
- Turns Ratio - Primary:Secondary：1.5:1
- Mounting Type：Surface Mount
- Size / Dimension：0.264" L x 0.240" W (6.70mm x 6.10mm)
- Height - Seated (Max)：0.213" (5.40mm)
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The B82804A0694A115 is a surface-mount pulse transformer from the TDK EP5 series, designed for gate drive applications. It features an inductance of 690µH and a turns ratio of 1.5:1. The component supports an isolation voltage of 1500V and operates within a temperature range of -40°C to 125°C. Key electrical parameters include an ET value of 40.8 Vµs and a DC resistance of 1.65 ohms. The physical dimensions are characterized by a maximum seated height of 5.40mm.
Feature Summary
- Surface-mount construction optimized for automated assembly processes
- High isolation voltage capability ensuring signal integrity in high-voltage environments
- Wide operating temperature range suitable for demanding thermal conditions
Applications
- Gate drive transformers for power electronics
- Pulse transmission in switching circuits
- Signal isolation in industrial control systems
Procurement Notes
Verify the complete manufacturer part number against official TDK documentation to ensure correct specification matching. Confirm that the required turns ratio and isolation voltage align with the specific circuit design requirements before procurement. Cross-reference the datasheet revision date to ensure access to the most current technical parameters and mechanical drawings.
Selection Notes
Select this component based on its specific 690µH inductance and 1.5:1 turns ratio requirements for gate drive isolation. Ensure the PCB layout accommodates the specified surface-mount footprint and the maximum seated height of 5.40mm. Verify that the 1500V isolation rating meets the safety standards of the target application environment.
Part Context
This component belongs to the TDK EP5 series of SMT gate drive transformers. The series is engineered for reliable performance in power conversion applications requiring galvanic isolation between control signals and high-power switches. The product line emphasizes compact form factors suitable for modern dense electronic assemblies.
Replacement Considerations
Consult official TDK substitution guides for compatible alternatives within the B82804A series or other EP5 variants. Verify that any substitute part maintains identical electrical characteristics, including inductance, turns ratio, and isolation voltage, to ensure circuit compatibility.
