2 layers100 × 100 mm
Explorer
anyshake/explorer
🌏 Detecting seismic wave using 3 geophones and 3-axis accelerometer, pack & send data to AnyShake Observer over RS232 / RS485 serial.
266 parts100
Overview
The MMBD1503A is a switching Diode made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-23 package with 3 pins. 1 Pair Series Connection 1.5V@300mA 10nA@180V 200V 200mA 2A 350mW SOT-23 Switching Diodes ROHS.
PCBKit's library has its KiCad symbol (Diodes:Diode x2 A1C3_A3C2, from CERN's library) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 22,374 are in stock at JLCPCB (part C69005). 3 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
10- Reverse voltage, most
- 200 V · DC blocking voltage, max · p. 1
- Forward current, most
- 200 mA · Continuous forward current, max · p. 1
- Junction, hottest
- 150 °C · Junction temperature, max · p. 1
- Junction to air (SOT-23)
- 357 K/W · Junction to ambient thermal resistance · p. 1
- Forward voltage
- 750 mV · IF=1mA, max · p. 1
- Forward voltage
- 850 mV · IF=10mA, max · p. 1
- Forward voltage
- 950 mV · IF=50mA, max · p. 1
- Forward voltage
- 1.1 V · IF=100mA, max · p. 1
- Forward voltage
- 1.3 V · IF=200mA, max · p. 1
- Forward voltage
- 1.5 V · IF=300mA, max · p. 1
What it is and has
4- Low leakage
- Low Leakage · p. 1
- High conductance
- High Conductance · p. 1
- Package
- SOT-23 · p. 1
- Marking
- A13 · p. 1
Specifications
17| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| DC Blocking Voltage VR | Ta=25℃ unless otherwise noted | max 200 V | 1 |
| Continuous Forward Current IO | Ta=25℃ unless otherwise noted | max 200 mA | 1 |
| Peak Forward Current IFM | Ta=25℃ unless otherwise noted | max 700 mA | 1 |
| Non-repetitive Peak Forward Surge Current IFSM | Ta=25℃, @t=8.3ms | max 2 A | 1 |
| Power Dissipation PD | Ta=25℃ unless otherwise noted | max 350 mW | 1 |
| Thermal Resistance from Junction to Ambient RθJA | SOT-23; Ta=25℃ unless otherwise noted | max 357 ℃/W | 1 |
| Junction Temperature Tj | Ta=25℃ unless otherwise noted | max 150 ℃ | 1 |
| Storage Temperature Tstg | Ta=25℃ unless otherwise noted | min -55 · max 150 ℃ | 1 |
| Reverse voltage V(BR) | Ta=25℃; IR=5uA | min 200 V | 1 |
| Reverse current IR | Ta=25℃; VR=180V | max 10 nA | 1 |
| Forward voltage VF | Ta=25℃; IF=1mA | max 0.75 V | 1 |
| Forward voltage VF | Ta=25℃; IF=10mA | max 0.85 V | 1 |
| Forward voltage VF | Ta=25℃; IF=50mA | max 0.95 V | 1 |
| Forward voltage VF | Ta=25℃; IF=100mA | max 1.1 V | 1 |
| Forward voltage VF | Ta=25℃; IF=200mA | max 1.3 V | 1 |
| Forward voltage VF | Ta=25℃; IF=300mA | max 1.5 V | 1 |
| Total capacitance Ctot | Ta=25℃; VR=0V,f=1MHz | max 4 pF | 1 |
Parameters
10- Current - Rectified
- 200mA
- Diode Configuration
- 1 Pair Series Connection
- Junction Temperature(Max)
- 150℃
- Non-Repetitive Peak Forward Surge Current
- 2A
- Pd - Power Dissipation
- 350mW
- Reverse Leakage Current (Ir)
- 10nA@180V
- Thermal Resistance(Junction to Ambient)
- 357℃/W
- Voltage - DC Reverse(Vr)
- 200V
- Voltage - Forward(Vf)
- 750mV
- Voltage - Forward(Vf@If)
- 1.5V@300mA
Order codes
1- MMBD1503ALCSC C69005
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | A | Passive |
| 2 | C | Passive |
| 3 | COMAC | Passive |
Open-source boards using it
All 3- 2 layers125.5 × 66 mm
- 2 layers70 × 65 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cj/MMBD1503A" title="MMBD1503A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/MMBD1503A.jpg" alt="MMBD1503A" width="1200" height="900">[](https://pcbkit.io/parts/cj/MMBD1503A)Questions
Is there a KiCad symbol and footprint for the MMBD1503A?
Yes. The symbol is Diodes:Diode x2 A1C3_A3C2 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 MMBD1503A?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the MMBD1503A datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the MMBD1503A?
JLCPCB lists it as part C69005, with 22,374 in stock; the sellers' links on this page open their listings.
What can replace the MMBD1503A?
Parts like it in the library: the MMBD1503A by CBI, the MMBD1501A by Jiangsu Changjing Electronics Technology (CJ), the BAV23A by Diodes Incorporated and the MMBD1503A by Slkor. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the MMBD1503A?
3 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
MMBD1503A
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SOT-23SOT-23 Switching Diodes ROHSDiodes IncorporatedSwitching DiodesBAV23A
SOT-231 Pair Common Anode 1.25V@200mA 1.7A 100nA 225mA 250V 350mW 50ns SOT-23 Switching Diodes ROHSGuangdong HottechSwitching DiodesBAS21HE3-TP
SOT-23-65℃~+150℃@(Tj) 1.25V@200mA 100nA@200V 200V 200mA 350mW 50ns Independent SOT-23 Switching Diodes ROHSMicro Commercial ComponentsSwitching Diodes