2 layers130 × 80 mm
Overview
The BAV99 is a switching Diode made by Nexperia in a SOT-23 package with 3 pins. 1 Pair Series Connection 1.25V@150mA 100V 215mA 250mW 4A 4ns 500nA@80V SOT-23 Switching Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:BAV99, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 1,679,558 are in stock at JLCPCB (part C2500). 301 open-source boards in 237 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
11- Reverse voltage, most
- 100 V · max reverse voltage per diode · p. 3
- Forward current, most
- 215 mA · max continuous forward current, single diode loaded · p. 3
- Forward current, most
- 125 mA · max continuous forward current per diode, double diode loaded · p. 3
- Works from
- -65 °C · min ambient temperature · p. 3
- Works up to
- 150 °C · max ambient temperature · p. 3
- Junction, hottest
- 150 °C · max junction temperature · p. 3
- Junction to air (SOT23)
- 500 K/W · max junction to ambient, single diode loaded, in free air, standard FR4 footprint · p. 3
- Forward voltage
- 715 mV · max at IF = 1 mA, Tamb = 25 °C · p. 4
- Forward voltage
- 855 mV · max at IF = 10 mA, Tamb = 25 °C · p. 4
- Forward voltage
- 1 V · max at IF = 50 mA, Tamb = 25 °C · p. 4
- Forward voltage
- 1.25 V · max at IF = 150 mA, Tamb = 25 °C · p. 4
What it is and has
5- Switching speed
- trr ≤ 4 ns · p. 1
- Capacitance
- Cd ≤ 1.5 pF · p. 1
- Leakage current
- Low · p. 1
- Reverse voltage
- VR ≤ 100 V · p. 1
- Package
- SOT23 (TO-236AB), surface-mounted plastic · p. 1
Specifications
27| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| reverse current IR | Per diode; VR = 80 V; Tamb = 25 °C | max 0.5 uA | 1 |
| reverse voltage VR | Per diode | max 100 V | 1 |
| reverse recovery time trr | Per diode; IF = 10 mA; IR = 10 mA; IR(meas) = 1 mA; RL = 100 Ω; Tamb = 25 °C | max 4 ns | 1 |
| reverse voltage VR | Per diode | max 100 V | 3 |
| repetitive peak reverse voltage VRRM | Per diode | max 100 V | 3 |
| forward current IF | Per diode; single diode loaded | max 215 mA | 3 |
| forward current IF | Per diode; double diode loaded | max 125 mA | 3 |
| repetitive peak forward current IFRM | Per diode | max 500 mA | 3 |
| non-repetitive peak forward current IFSM | Per diode; tp = 1 us; square wave; Tj(init) = 25 °C | max 4 A | 3 |
| non-repetitive peak forward current IFSM | Per diode; tp = 1 ms; square wave; Tj(init) = 25 °C | max 1 A | 3 |
| non-repetitive peak forward current IFSM | Per diode; tp = 1 s; square wave; Tj(init) = 25 °C | max 0.5 A | 3 |
| total power dissipation Ptot | Per device; one diode loaded; Tamb ≤ 25 °C; device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint | max 250 mW | 3 |
| junction temperature Tj | Per device; one diode loaded | max 150 °C | 3 |
| ambient temperature Tamb | Per device; one diode loaded | min -65 · max 150 °C | 3 |
| storage temperature Tstg | Per device; one diode loaded | min -65 · max 150 °C | 3 |
| thermal resistance from junction to ambient Rth(j-a) | single diode loaded; in free air; device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint | max 500 K/W | 3 |
| thermal resistance from junction to solder point Rth(j-sp) | max 360 K/W | 3 | |
| forward voltage VF | Per diode; IF = 1 mA; Tamb = 25 °C | max 715 mV | 4 |
| forward voltage VF | Per diode; IF = 10 mA; Tamb = 25 °C | max 855 mV | 4 |
| forward voltage VF | Per diode; IF = 50 mA; Tamb = 25 °C | max 1 V | 4 |
| forward voltage VF | Per diode; IF = 150 mA; Tamb = 25 °C | max 1.25 V | 4 |
| reverse current IR | Per diode; VR = 25 V; Tamb = 25 °C | max 30 nA | 4 |
| reverse current IR | Per diode; VR = 80 V; Tamb = 25 °C | max 0.5 uA | 4 |
| reverse current IR | Per diode; VR = 25 V; Tj = 150 °C | max 30 uA | 4 |
| reverse current IR | Per diode; VR = 80 V; Tj = 150 °C | max 50 uA | 4 |
| diode capacitance Cd | Per diode; VR = 0 V; f = 1 MHz; Tamb = 25 °C | max 1.5 pF | 4 |
| peak forward recovery voltage VFRM | Per diode; IF = 10 mA; tr = 20 ns; Tamb = 25 °C | max 1.75 V | 4 |
Pins, by the datasheet
3- 1 A1
- Anode (diode 1). · p. 2
- 2 K2
- Cathode (diode 2). · p. 2
- 3 K1, A2
- Cathode (diode 1) and anode (diode 2). · p. 2
Ordering codes, by the datasheet
1- BAV99
- SOT23 · plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm body · p. 2
Parameters
12- Current - Rectified
- 125mA
- Diode Configuration
- 1 Pair Series Connection
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 4A
- Operating Junction Temperature Range
- -65℃~+150℃
- Pd - Power Dissipation
- 250mW
- Reverse Leakage Current (Ir)
- 500nA@80V
- Reverse Recovery Time (trr)
- 4ns
- Thermal Resistance(Junction to Ambient)
- 500℃/W
- Voltage - DC Reverse(Vr)
- 100V
- Voltage - Forward(Vf)
- 715mV
- Voltage - Forward(Vf@If)
- 1.25V@150mA
Order codes
2- BAV99,215LCSC C2500
- BAV99,235LCSC C426775
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
| 3 | K | Passive |
Open-source boards using it
All 301- 4 layers93.2 × 62.4 mm
Compute module
magkopian/raspberry-pi-compute-module-base-board
Base board for the Raspberry Pi Compute Module
66 parts214GPL-3.0 - 4 layers65 × 56 mm
- 2 layers100 × 68 mm
- 4 layers87.1 × 78.2 mm
- 2 layers170.1 × 96.9 mm
SmartPrintCoreH7x
BoltzRnD/SmartPrintCoreH7x
STM32H7 based Robust and Open Source 3D Printer Mainboard
567 parts89 - 4 layers43.4 × 25.4 mm
R820t2 breakout
emeb/r820t2
Breakout PCB design and STM32F0 firmware for the Rafael R820T2 tuner chip
83 parts85 - 4 layers62.5 × 83.8 mm
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Is there a KiCad symbol and footprint for the BAV99?
Yes. The symbol is Diode:BAV99 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 BAV99?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the BAV99 datasheet?
Nexperia publishes it: the Datasheet link on this page opens it.
Where can I order the BAV99?
JLCPCB lists it as part C2500, with 1,679,558 in stock; the sellers' links on this page open their listings.
What can replace the BAV99?
Parts like it in the library: the BAV70 by Nexperia, the MMBD4148CC by hongjiacheng, the MMBD4148SE by Guangdong Hottech and the BAV99-QR by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the BAV99?
301 boards in 237 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
BAV70
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