WHSH16037D0 Single Port SMD 10/100 BASE-TX PIN16 LAN Transformer
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Yes — the WHSH16037D0 carries both: an operating range of -40 °C to +85 °C and 2500 VAC isolation.
This is worth stating explicitly because the other parts on the same outline each upgrade one axis only, so a design needing both can easily conclude the family has no answer. The body is the same 12.80 × 6.90 mm as the standard parts in the 10/100 BASE-T range. Whether it drops onto the land pattern already on your board is something to confirm with VOOHU against your footprint drawing — matching outline dimensions alone are not enough to justify the swap.
Same voltage, different dwell: the WHSH16037D0 is held at 2500 VAC for 5 s where the WHS16037-2KG is held for 2 s. The leakage criterion is 1 mA on both.
Voltage and dwell form one condition, and comparing only the voltage half produces a false equivalence. Choose by which condition the system's safety documentation states — where the acceptance clause calls for the longer hold, the 5 s part is the one that matches. Operating temperature also differs between the two, so check that alongside.
No. Insertion loss, return loss, cross talk and common-mode rejection are stated exactly as on the standard parts of the same outline.
Insertion loss is -1.1 dB Max from 1–100 MHz, return loss is given in four bands, and cross talk and common-mode rejection are both -30 dB Min. The higher isolation on the WHSH16037D0 is therefore not bought with bandwidth or link margin. The datasheet also carries an MSL grade and a complete reflow profile. Other grades are listed in the 10/100 BASE-T range.
