
Murata Manufacturing Co., Ltd.
Matches impedance and package, but has significantly lower current and voltage ratings, posing a high risk.
SDCW3216-2-222TF is a 2.2kΩ common mode choke in a 1206 package. Finding a direct replacement requires matching impedance and current rating, while alternatives may offer different performance trade-offs.
Many alternatives have lower current or voltage ratings, risking component failure.
Alternatives with different impedance will alter the circuit's noise filtering characteristics.
Most candidates share the same 1206 package, ensuring physical compatibility.
No direct, drop-in replacement with identical or better key parameters was found. The closest match, DLW31SH222SQ2L, is a downgrade in current and voltage ratings and requires careful review.
If circuit current is <80mA and voltage <32V, DLW31SH222SQ2L is a strong functional match. Otherwise, re-evaluate the required impedance to select a higher-current part.
The primary risk is electrical overstress from candidates with lower current/voltage ratings, or degraded EMI performance from candidates with lower impedance.

Murata Manufacturing Co., Ltd.
Matches impedance and package, but has significantly lower current and voltage ratings, posing a high risk.
| Feature / factor | SDCW3216-2-222TF | DLW31SH222SQ2L | SDCW3216-2-102TF | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 (3216 Metric) | 1206 (3216 metric) | 1206 (3216 Metric) | 1206 (3216 metric) / 1206 (3216 Metric) — Package matches.; SDCW3216-2-102TF: Package matches. | |
| Impedance | 2200Ω @ 100MHz | 2200 Ohm @ 100MHz | 1000Ω @ 100MHz | 2200 Ohm @ 100MHz / 1000Ω @ 100MHz — Impedance matches perfectly.; SDCW3216-2-102TF: Significantly lower impedance will reduce filtering effectiveness. | |
| Current | 200 mA | 80 mA | 230mA | 80 mA / 230mA — Current rating is significantly lower and poses a high risk of failure.; SDCW3216-2-102TF: Higher current rating provides more margin. | |
| Voltage | 50 V | 32 Vdc | 50V | 32 Vdc / 50V — Lower voltage rating requires circuit verification.; SDCW3216-2-102TF: Voltage rating matches. | |
| Dcr | 1.20 Ω | 1.92 Ohm | 1.00Ω | 1.92 Ohm / 1.00Ω — Higher DCR.; SDCW3216-2-102TF: Lower DCR is beneficial. | |
| Temperature | -40°C to +85°C | -40°C to +125°C | - | -40°C to +125°C — Wider operating temperature range. |
The best alternative depends on design priorities. For identical filtering, Murata's DLW31SH222SQ2L matches the 2.2kΩ impedance but has lower current/voltage ratings that must be verified. For higher current, other Sunlord parts exist but with lower impedance.