74941300 WE-BMS SMT Transformer 6PINs for Battery Management Systems
74941300 WE-BMS SMT Transformer Overview :
The 74941300 WE-BMS SMT Transformer is a high-performance, automotive-grade signal transformer specifically engineered for Battery Management Systems (BMS) and energy storage infrastructures. Featuring a 1CT:1CT turns ratio, 6-pin surface-mount design, and an outstanding galvanic isolation barrier, this component serves as a critical element in maintaining safe, reliable, and noise-free data communications along daisy-chain architectures.
By employing specialized FIW-6 fully insulated wire technology, the 74941300 guarantees high-voltage transient mitigation without expanding the component footprint, making it the premier choice for tier-1 automotive designers and industrial power developers seeking optimal electromagnetic compatibility (EMC) and battery safety.
Specifications of 74941300 LAN Transformer :
| Product Series |
WE-BMS Transformer for Battery Management Systems |
|---|---|
| Termination Style |
SMD/SMT |
| Mounting Type | Surface Mount |
| Inductance | 450µH max. 150µH min. |
| Number of Channels | 1 Channel |
| Turns Ratio - Primary: Secondary | 1:1 |
| PINs | 6 PINs |
| Number of Ports | 1 Port |
| Operating Temperature | -40 up to +125 °C |
| Storage Conditions | < 40 °C ; < 75 % RH (in original packaging) |
| Moisture Sensitivity Level (MSL) | 1 |
| Base Material | DAP WH-9100 94V-0 CTI 0 |
| Cover Material | LCP E4008 94V-0 CTI 3 |
| Wire Material | FIW-6 |
| Service | OEM&ODM |
74941300 SMT Transformer-Schematic:
Recommended Land Pattern: [mm]
Applications of 74941300 BMS LAN Magnetic
The 74941300 WE-BMS SMT Transformer is deployed globally within key sectors demanding impeccable signal separation:
- Electric & Hybrid Electric Vehicles (EV/HEV): Provides isolation and noise rejection between localized cell monitoring boards (CMUs) and the centralized Battery Management Unit (BMU).
- Energy Storage Systems (ESS): Safeguards utility-scale commercial and industrial containerized battery systems utilizing daisy-chained management transceivers.
- Uninterruptible Power Supplies (UPS): Offers isolated data acquisition links in high-reliability corporate backup power modules.
- Industrial High-Voltage Pack Monitoring: Handles cell-to-cell telemetry routing across complex automated automated guided vehicles (AGVs) and electric powertrains.
FAQ About 74941300 BMS LAN Magnetic
If your priority is a transformer that balances compact SMT assembly, high isolation voltage, and automotive-grade qualification, the 74941300 gives you a very practical starting point. Its published electrical limits and mechanical drawing make it easier to design in with confidence, especially in space-sensitive BMS layouts.
OEM & ODM support is available to help match your sourcing, branding, and project requirements.
Q1: What is the 74941300 WE-BMS SMT transformer used for?
It is designed for battery management system applications where isolated signal transfer, compact SMT mounting, and high insulation performance are important.
Q2: Is this transformer suitable for high-voltage isolation designs?
Yes. The datasheet lists 4300 V DC insulation test voltage, 3100 V AC insulation test voltage, and 1000 V DC working voltage.
Q3: What is the operating temperature range?
The operating temperature range is -40 °C to +125 °C.
Q4: Is the 74941300 an SMT component?
Yes. The product is shown as a WE-BMS SMT transformer with surface-mount construction.
Q5: Does it support production-friendly handling?
Yes. The datasheet lists MSL 1, which is favorable for standard manufacturing and storage workflows.
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