SI3402-B-GMR vs SI3402-A-GMR Comparison
Detailed side-by-side comparison of SI3402-B-GMR by Skyworks Solutions and SI3402-A-GMR by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI3402-B-GMR - 802.3af/at PoE+ PD Controller + DC-DC, 20-QFN | Skyworks
SI3402-B-GMR ✓ ActiveSkyworks Solutions
SI3402-A-GMR - 802.3af PoE PD Controller, 17W | Skyworks
SI3402-A-GMR ⚠ Last Time BuySpecification Comparison
| Parameter | SI3402-B-GMR | SI3402-A-GMR |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Power Management | Power MOSFET Drivers |
| Lifecycle Status | Active | Last Time Buy |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $1.65 |
| Product Type | PoE PD Controller + DC-DC Switching Regulator | PoE Powered Device (PD) Controller |
| Standard Compliance | IEEE 802.3af / 802.3at (PoE+ Type 1) | — |
| Number of Channels | 1 | — |
| Input Voltage Range (PoE Line) | 37 V to 57 V | — |
| Absolute Maximum Input Voltage | 100 V (transient) | — |
| Maximum Output Power | 13 W (Class 3) | 17 W (Class 3) |
| Supported PD Classes | Class 0, 1, 2, 3 | — |
| Hot-Swap FET | Internal, integrated | — |
| Switching FET | Internal, integrated | — |
| Output Topology | Isolated or non-isolated flyback/buck (configurable) | — |
| Package | 20-QFN, 5x5 mm | 20-QFN (5x5 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40 C to +85 C |
| MSL Level | MSL 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL Level] |
| RoHS Status | Compliant | Compliant |
| Standards Compliance | — | IEEE 802.3af, pre-standard (legacy/Cisco) PoE |
| Channel Count | — | 1 Channel |
| Input Voltage Range (PoE line) | — | 37 V to 57 V |
| On-chip Diode Bridges | — | Yes (both data and spare pairs) |
| Internal Hot-Swap FET Rating | — | 100 V |
| Post-Regulator Topology | — | Isolated flyback or non-isolated buck (configurable) |
| EMI Performance | — | Low-EMI with internal oscillator dithering |
| Maintain Power Signature (MPS) | — | Yes (automatic) |
| Packaging | — | Tape & Reel (TR) |