Quick-disconnect receptacle, 0.187" tab
The 3-520150-2 is a fully insulated female quick-disconnect receptacle from TE's Ultra-Fast series, accepting 14-16 AWG wire with a 0.187" (4.75mm) tab width.

TE Connectivity AMP Connectors Ultra-Fast quick-disconnect receptacle, order code 3-520150-2, female, 0.187" (4.75mm) tab width, 14-16 AWG, tin-plated brass contact, fully insulated, free-hanging crimp termination.
| Parameter | Value |
|---|---|
| Series | Ultra-Fast |
| Mounting | Free Hanging (In-Line) |
| Terminal type | Standard |
| Wire gauge | 14-16 AWG |
| Color | Blue |
| Tab width | 0.187\" (4.75mm) |
| Contact material | Brass |
| Gender | Female |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Insulation | Fully Insulated |
| Termination | Crimp |
| Tab thickness | 0.020\" (0.51mm) |
| Contact finish | Tin |
| Length - overall | 0.935\" (23.75mm) |
| Insulation diameter | 0.260\" (6.60mm) |
The 3-520150-2 is a fully insulated female quick-disconnect receptacle from TE's Ultra-Fast series, accepting 14-16 AWG wire with a 0.187" (4.75mm) tab width.
No — the 3-520150-2 uses a 0.187" tab width and 0.020" tab thickness, while the 1377175-8 uses a 0.312" tab width and 0.030" tab thickness. The tab dimensions are not compatible.