BT16B03 0.5µH 1:1 SMD Pulse Transformer for 100Base-T LAN, 1.5kV isolation, 0–70℃, RoHS compliant. Ideal for switches, routers, PoE, industrial Ethernet.
BT16B03 100Base-T Transformer Module Description:
The BT16B03 is a high-performance 0.5µH, 1:1 single port SMD pulse transformer designed for 100Base-T LAN applications. It ensures reliable signal integrity, meets IEEE802.3u standards, and provides robust isolation with a 1.5kV rating. RoHS compliant and engineered for commercial and industrial network devices, the BT16B03 is ideal for switches, routers, PoE devices, and other Ethernet interface modules.
Key Features & Benefits of BT16B03 Ethernet Isolation Transformer:
1. High Isolation Voltage: 1.5kV Vrms isolation ensures safe operation in PoE and industrial Ethernet applications.
2. Compact SMD Package: Space-saving design supports high-density PCB layouts and SMT assembly.
3. Optimized Electrical Performance:
- 0.5µH primary inductance
- Low insertion loss (-1.15 dB max)
- Excellent return loss (-18 dB min at 30 MHz)
- Superior DMRR (-30 dB min @ 0.5–100 MHz)
4. Industry Standards Compliant: Meets IEEE802.3u requirements and IR 255℃ peak reflow tolerance.
5. Wide Operating Temperature: 0℃ to +70℃, with storage range -25℃ to +125℃.
6. RoHS Compliant: Environmentally friendly, lead-free design.
Electrical Specifications (@25℃):
| Parameter | Value |
| Turns Ratio (Tx:Rx) | 1:1 |
| Insertion Loss (0.3–100 MHz) | -1.15 dB Max |
| Return Loss (30 MHz / 60 MHz / 80 MHz) | -18 / -14 / -12 dB Min |
| Crosstalk (0.3–60 MHz / 60–100 MHz) | -45 / -35 dB Min |
| DMRR (0.5–100 MHz) | -30 dB Min |
| Primary Inductance (LK Max) | 0.5 µH |
| Leakage (LK) | 1.2 Ω Max |
| Interwinding Capacitance (CWW) | 28 pF Max |
| Isolation Voltage (Hi-Pot) | 1.5 kV Vrms |
| Operating Temperature | 0℃~+70℃ |
| Storage Temperature | -25℃~+125℃ |
BT16B03 Datasheet:
Mechanical Dimensions
- Package Type: SMD
- Overall Size: 12.7 × 9.4 × 5.68 mm
- Pin Pitch: 1.27 mm
- PCB Layout Guidelines: See schematic and footprint diagram below for recommended pad layout and routing.
BT16B03 Datasheet - Mechanical
BT16B03 Datasheet - Schematics
BT16B03 PCB Footprint
BT16B03 Compliance & Reliability:
- RoHS Certified
- IR Reflow Compliant up to 255℃ peak
- High Isolation & DMRR for EMI mitigation and signal integrity
- Tested for long-term reliability under standard operating temperatures
Why Choose BT16B03 Ethernet Transformer?:
The BT16B03 balances compact SMD design, high isolation, and excellent signal performance for modern Ethernet networks. With robust electrical specifications and verified compliance, it reduces PCB design risks and accelerates product development cycles.
Sample Requests & Technical Support Available.
FAQ:
Q1: What Ethernet speeds does BT16B03 support?
A1: BT16B03 supports 100Base-T applications, ideal for 100 Mbps LAN connections.
Q2: Is BT16B03 compatible with PoE devices?
A2: Yes, with 1.5kV isolation, it can handle standard PoE voltage and ensures device safety.
Q3: Can this transformer withstand standard SMT reflow processes?
A3: Yes, it meets IR 255℃ peak requirements for typical surface mount assembly.
Q4: Are samples and PCB layout guidelines available?
A4: Yes, sample requests and recommended PCB footprint/layout diagrams are available to streamline design verification.
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BT16B03 100Base-T 1500Vrms Ethernet Isolation Transformer Module Images
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