Compiled from both manufacturers' published datasheets. Verify with samples and the PCB footprint before production.
#1. Competitor Product Overview (Pulse Electronics / YAGEO)
Pulse Electronics (a YAGEO Company) HMU2103NL (Tape & Reel: HMU2103NLT) is an automotive-grade integrated Transformer/CMC (Common Mode Choke) SMD module in a 6-pin package, AEC-Q200 qualified, with 4300 VDC isolation and an operating temperature of -40°C to +125°C. It is RoHS compliant and widely used in automotive CAN bus, BMS (Battery Management Systems), and other applications requiring high-voltage isolation and EMI suppression.
#2. VOOHU Replacement Product (Su Zhou Voohu Electronic Tech. Co., Ltd.)
VOOHU WHS06A01A0 is the ideal drop-in replacement offering equivalent functionality with superior cost-effectiveness and supply stability. Designed specifically for BMS applications, it is a 6-pin SMD transformer with 4300 VDC isolation, AEC-Q200 qualified, operating from -40°C to +125°C, REACH & RoHS compliant, and pin-compatible with the HMU2103NL for direct substitution without PCB redesign.
#3. Key Parameter Comparison
The table below maps Pulse product page parameters to VOOHU WHS06A01A0 specifications.
Notes:
① Turns ratio tolerance: VOOHU ±5% vs Pulse ±2% — both meet application requirements; confirm during system tuning.
② CMR: VOOHU guarantees -35 dB Min across 1-100 MHz, better than Pulse (-20 dB Min above 10 MHz).
③ OCL: Pulse specifies both min (150 uH) and max (370 uH); VOOHU specifies min only (150 uH) — lower limits are identical.
④ Creepage distance: not specified in VOOHU datasheet — recommend confirming with VOOHU directly.
#4. Application Scenarios
AEC-Q200 qualified integrated transformer/CMC modules are widely used in the following automotive applications:
- 1.EV Battery Management Systems (BMS)
Suitable for EV battery pack management units, providing high-voltage isolation (4300 VDC) between cells and between master/slave control boards, meeting ISO 26262 functional safety requirements. WHS06A01A0 is purpose-designed for BMS applications.
- 1.Automotive CAN/LIN Bus Isolation Interfaces
Ideal for ECU-to-ECU CAN bus isolation interfaces, providing functional insulation and common-mode interference rejection to ensure reliable communication in high-EMI vehicle environments.
- 1.HEV/EV High-Voltage Systems
Applicable to HEV/EV high-voltage systems for isolating control signals from the high-voltage side. 4300 VDC isolation meets high-voltage safety standards; -40°C to +125°C covers underhood harsh environments.
- 1.On-Board Chargers (OBC) and DC-DC Converters
Suitable for isolated feedback and control signal channels in OBCs and DC-DC converters, providing high-reliability functional insulation and EMI suppression.
- 1.ADAS and Body Control Modules (BCM)
Applicable to ADAS sensor interfaces and BCMs requiring isolation from EMI. AEC-Q200 qualification ensures lifetime reliability in automotive-grade deployments.
#5. Frequently Asked Questions (FAQ)
Is VOOHU WHS06A01A0 AEC-Q200 qualified? Can it be used in mass-production automotive programs?
Yes. VOOHU WHS06A01A0 has passed AEC-Q200 qualification and is suitable for automotive mass-production programs. Contact the VOOHU FAE team for qualification reports and detailed test data.
Does the 4300 VDC isolation of VOOHU WHS06A01A0 meet EV high-voltage safety standards?
Yes. 4300 VDC functional insulation meets IEC 60664 and mainstream automotive safety standards for BMS isolation layers. The 1000 VDC working voltage is suitable for 800V platform architectures. Safety level classification should be confirmed within your system-level design review.
What is the minimum order quantity (MOQ) and lead time for VOOHU WHS06A01A0?
VOOHU WHS06A01A0 is packaged in Tape & Reel at 600 pcs per reel. VOOHU supports sample orders with shipment within 48 hours and delivery within 7 days. For bulk pricing, contact: TEL: +86 400 1048 018, WEB: www.voohuele.com.
#Why Choose VOOHU?
One-Stop Sourcing:Connectors + Magnetics + Interface ICs — full support from component selection to small-batch production
Custom Solutions:Share your application requirements and budget; receive a tailored solution with dedicated technical support
Fast Development:Direct factory sales, rapid FAE response, efficient sampling — accelerate your time-to-market
Core Certifications:ISO9001, ISO14001, RoHS, REACH — two proprietary factories ensuring on-time delivery and quality
Visit us: China: www.voohu.cn | Global:www.voohuele.com | Technical Support: song.lei@wohu-tek.com
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