2 layers33.7 × 97.8 mm
HAN ESP TSS721
UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported
29 parts470
Overview
The BSS84 is a MOSFET made by Diodes Incorporated in a SOT-23 package with 3 pins. -55℃~+150℃ 1 P-Channel 130mA 2.8pF 24.6pF 2V 3.2Ω@5V 300mW 4.7pF 50V 590pC@10V SOT-23 MOSFETs ROHS.
PCBKit's library has its KiCad symbol (Transistor_FET:BSS84, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 34,526 are in stock at JLCPCB (part C85202). 288 open-source boards in 232 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
7- Drain-source, most
- 50 V · Drain-source voltage, absolute max · p. 2
- Drain current, most
- 130 mA · Continuous drain current, max at TA = +25°C, Note 5 mounting · p. 2
- Gate-source, most
- 20 V · Gate-source voltage, continuous absolute max magnitude, ±20 V · p. 2
- Gate threshold
- 2 V · Gate threshold voltage, max at VDS = VGS, ID = -1mA · p. 2
- On resistance
- 10 Ω · Static drain-source on-resistance, max at VGS = -5V, ID = -0.100A · p. 2
- Junction to air (SOT23 (Standard))
- 417 K/W · Junction to ambient thermal resistance, Note 5 mounting · p. 2
- Junction, hottest
- 150 °C · Operating junction temperature, max · p. 2
What it is and has
4- Package
- SOT23 · p. 1
- RoHS compliance
- Totally lead-free and fully RoHS compliant · p. 1
- Material
- Halogen and antimony free · p. 1
- Moisture sensitivity
- Level 1 per J-STD-020 · p. 1
Specifications
26| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Drain-Source Voltage VDSS | TA = +25°C | max -50 V | 2 |
| Drain-Gate Voltage VDGR | RGS 20kΩ; TA = +25°C | max -50 V | 2 |
| Gate-Source Voltage VGSS | Continuous; TA = +25°C | min -20 · max 20 V | 2 |
| Drain Current (Note 5) ID | Continuous; TA = +25°C; device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch, specified pad layout | max -130 mA | 2 |
| Pulsed Drain Current IDM | TA = +25°C | max -1.2 A | 2 |
| Total Power Dissipation (Note 5) PD | TA = +25°C; device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch, specified pad layout | max 300 mW | 2 |
| Thermal Resistance, Junction to Ambient RθJA | TA = +25°C; SOT23 (Standard) | max 417 C/W | 2 |
| Operating and Storage Temperature Range TJ, TSTG | min -55 · max 150 C | 2 | |
| Drain-Source Breakdown Voltage BVDSS | TA = +25°C; VGS = 0V, ID = -250uA; Note 6 | min -50 V | 2 |
| Zero Gate Voltage Drain Current IDSS | VDS = -50V, VGS = 0V, TJ = +25°C; Note 6 | max -1 uA | 2 |
| Zero Gate Voltage Drain Current IDSS | VDS = -50V, VGS = 0V, TJ = +125°C; Note 6 | max -2 uA | 2 |
| Zero Gate Voltage Drain Current IDSS | VDS = -25V, VGS = 0V, TJ = +25°C; Note 6 | max -100 nA | 2 |
| Gate-Body Leakage IGSS | TA = +25°C; VGS = ±20V, VDS = 0V; Note 6 | max 10 nA | 2 |
| Gate Threshold Voltage VGS(TH) | TA = +25°C; VDS = VGS, ID = -1mA; Note 6 | min -0.8 · max -2 V | 2 |
| Static Drain-Source On-Resistance RDS(ON) | TA = +25°C; VGS = -5V, ID = -0.100A; Note 6 | typ 3.2 · max 10 Ω | 2 |
| Forward Transconductance gFS | TA = +25°C; VDS = -25V, ID = -0.1A; Note 6 | min 0.05 S | 2 |
| Input Capacitance Ciss | TA = +25°C; VDS = -25V, VGS = 0V, f = 1.0MHz; Note 7 | typ 24.6 · max 45 pF | 2 |
| Output Capacitance Coss | TA = +25°C; VDS = -25V, VGS = 0V, f = 1.0MHz; Note 7 | typ 4.7 · max 25 pF | 2 |
| Reverse Transfer Capacitance Crss | TA = +25°C; VDS = -25V, VGS = 0V, f = 1.0MHz; Note 7 | typ 2.8 · max 12 pF | 2 |
| Gate Resistance Rg | TA = +25°C; VDS = 0V, VGS = 0V, f = 1MHz; Note 7 | typ 916 Ω | 2 |
| Total Gate Charge (VGS = -4.5V) Qg | TA = +25°C; VDS = -10V, ID = -0.1A; Note 7 | typ 0.28 nC | 2 |
| Total Gate Charge (VGS = -10V) Qg | TA = +25°C; VDS = -10V, ID = -0.1A; Note 7 | typ 0.59 nC | 2 |
| Gate-Source Charge Qgs | TA = +25°C; VDS = -10V, ID = -0.1A; Note 7 | typ 0.09 nC | 2 |
| Gate-Drain Charge Qgd | TA = +25°C; VDS = -10V, ID = -0.1A; Note 7 | typ 0.08 nC | 2 |
| Turn-On Delay Time tD(ON) | TA = +25°C; VDD = -30V, ID = -0.27A, RGEN = 50Ω, VGS = -10V; Note 7 | typ 10 ns | 2 |
| Turn-Off Delay Time tD(OFF) | TA = +25°C; VDD = -30V, ID = -0.27A, RGEN = 50Ω, VGS = -10V; Note 7 | typ 18 ns | 2 |
Ordering codes, by the datasheet
2- BSS84-7-F
- SOT23 (Standard) · 3000 quantity, Tape & Reel · p. 1
- BSS84-13-F
- SOT23 (Standard) · 10000 quantity, Tape & Reel · p. 1
Parameters
15- Current - Continuous Drain(Id)
- 130mA
- Drain Source On Resistance (RDS(on)@Vgs,Id)
- 10Ω@5V,100mA
- Drain to Source Voltage
- 50V
- Gate Charge(Qg)
- 590pC@10V
- Gate Threshold Voltage (Vgs(th))
- 2V
- Gate Threshold Voltage (Vgs(th)@Id)
- 2V@1mA
- Input Capacitance(Ciss)
- 24.6pF
- Junction Temperature(Max)
- 150℃
- Number
- 1 P-Channel
- Operating Temperature
- -55℃~+150℃
- Output Capacitance(Coss)
- 4.7pF
- Pd - Power Dissipation
- 300mW
- RDS(on)
- 10Ω
- Reverse Transfer Capacitance (Crss@Vds)
- 2.8pF
- Thermal Resistance(Junction to Ambient)
- 417℃/W
Order codes
1- BSS84-7-FLCSC C85202
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | S | Passive |
| 3 | D | Passive |
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Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/diodes/BSS84" title="BSS84 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/diodes/BSS84.jpg" alt="BSS84" width="1200" height="900">[](https://pcbkit.io/parts/diodes/BSS84)Questions
Is there a KiCad symbol and footprint for the BSS84?
Yes. The symbol is Transistor_FET:BSS84 and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the BSS84?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BSS84 datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the BSS84?
JLCPCB lists it as part C85202, with 34,526 in stock; the sellers' links on this page open their listings.
What can replace the BSS84?
Parts like it in the library: the 2N7002K by MDD, the 2N7002K by hongjiacheng, the BSS138 by Diodes Incorporated and the BSS138 by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BSS84?
288 boards in 232 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
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