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| Categories | Discrete Magnetic Transformers |
|---|---|
| Model Number: | 74941503 |
| Brand Name: | LINK-PP |
| Certification: | UL,ISO,ROHS,REACH |
| Place of Origin: | China |
| MOQ: | 10pcs |
| Price: | Negotiable |
| Payment Terms: | TT, NET30/60/90 Days, Western Union |
| Supply Ability: | 500K/Month |
| Delivery Time: | 2 weeks |
| Packaging Details: | Tape and Reel |
| Status: | Active |
| Part Number: | 74941503 |
| Reinforced Isolation Voltage: | 4500V AC |
| Ports: | 1 |
| Operating Temperature: | -40 °C up to +125 °C |
| Mount: | SMT |
| Company Info. |
| LINK-PP INT'L TECHNOLOGY CO., LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
● Product Type: Ethernet Transformer for Ethernet/Power Line Communication
● Turns Ratio: 1:4:3 (±3% tolerance)
● Mounting: Surface-Mount (SMT)
● Operating Temperature: -40°C to +125°C (industrial/automotive grade)
● High Isolation: 4500 VAC (1 min, primary to secondary)
● Package: 8-pin SMT compact design
● Compliance: RoHS & REACH compliant
| Property | Test Conditions | Value | Unit | Tolerance |
|---|---|---|---|---|
| Inductance (L) | 2 MHz/100 mV (Pins 1-4) | 20 | μH | min. |
| Leakage Inductance (Lₛ) | 2 MHz/100 mV | 0.05 | μH | max. |
| Turns Ratio (n) | N3:N1:N2 | 1:4:3 | - | ±3% |
| Insulation Test Voltage (Vₜ) | 1 min. | 4500 | V (AC) | min. |
| Insulation Resistance (Rₛₒ) | - | 10 | MΩ | min. |
| DC Resistance 1 (Rᴅᴄ₁) | Pin 2-3 (short pin 5-8) | 85 | mΩ | max. |
| DC Resistance 2 (Rᴅᴄ₂) | Pin 1-4 | 20 | mΩ | max. |
| DC Resistance 3 (Rᴅᴄ₃) | Pin 5-8 | 70 | mΩ | max. |
Notes:
1. Pin connections are critical for resistance measurements
2. Turns ratio tolerance is ±3%
| Parameter | Specification |
|---|---|
| Operating Temperature | -40°C to +125°C |
| Storage Conditions | <40°C; <75% RH (in original packaging) |
| Moisture Sensitivity Level (MSL) | 1 |
| Test Conditions | +20°C, 33% RH (unless specified) |
| Standard | Compliance Status |
|---|---|
| RoHS Approval | Compliant [2011/65/EU & 2015/863] |
| REACH Approval | Conform or declared [(EC)1907/2006] |
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