Low-side switch
Drive G relative to S. A pull-down holds the gate near S when the drive is disconnected. Put a resistive load between its positive supply and D.
The onsemi 2N7000 is an enhancement-mode MOSFET for small low-side switching loads. Check the gate voltage against a specified on-resistance test point.
Tape-and-reel code in NDS7002A/D p. 7. Confirm the supplied lead form against the package drawing.
Return reference for the gate drive in a low-side circuit. The intrinsic body diode has its anode here.
| Pin | Signal | Direction | Function |
|---|---|---|---|
| 1 | S Source | Source | Return reference for the gate drive in a low-side circuit. The intrinsic body diode has its anode here. |
| 2 | G Gate | Gate | Insulated gate. Establish a defined voltage relative to S. Use a gate-to-source pull-down if the driver can float. |
| 3 | D Drain | Drain | Connect to the low side of the load in a low-side switch. The intrinsic body diode has its cathode here. |
Drive G relative to S. A pull-down holds the gate near S when the drive is disconnected. Put a resistive load between its positive supply and D.
The diode conducts from S toward D if D falls sufficiently below S. Swapping source and drain can leave the load conducting when the gate is low.
| Parameter | Limit | Conditions and source |
|---|---|---|
| Continuous gate–source limit±20 V | ±20 V | Absolute maximum continuous VGS. onsemi NDS7002A/D Rev. 11, p. 2 |
| Gate threshold at 1 mA0.8–3.0 V | 0.8–3.0 V | VDS = VGS, 25 °C. Use a specified on-resistance point to size the gate drive. onsemi NDS7002A/D Rev. 11, p. 2 |
| Drain–source voltage limit60 V | 60 V | Absolute maximum for the listed onsemi parts. Check transient voltage and the safe operating area separately. onsemi NDS7002A/D Rev. 11 and onsemi 2N7000TA/D Rev. 1, p. 1 |
| On-resistance at 10 V drive5 Ω maximum | 5 Ω maximum | At ID = 500 mA under the specified electrical test conditions. The test current is separate from the 200 mA continuous maximum in the ratings. onsemi NDS7002A/D Rev. 11, pp. 2–3; onsemi 2N7000TA/D Rev. 1, pp. 1–2 |
| On-resistance at 4.5 V drive5.3 Ω maximum | 5.3 Ω maximum | At 75 mA and 25 °C for the standard 2N7000 in NDS7002A/D. Choose another part if you require a guaranteed on-resistance at 3.3 V. onsemi NDS7002A/D Rev. 11, p. 3 |
onsemi TO-92 cases 135AN and 135AR. The 2N7000BU and 2N7000TA order codes use a separate electrical table. The SOT-23 2N7002 and NDS7002A have a different lead map and their own ratings.