Infineon BSS123I N-Channel MOSFET, 190 mA, 100 V Depletion, 4-Pin SOT-223 BSS123IXTSA1
- RS Stock No.:
- 225-0557
- Distrelec Article No.:
- 304-39-400
- Mfr. Part No.:
- BSS123IXTSA1
- Manufacturer:
- Infineon
The image is for reference only, please refer to product details and specifications
Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 100 units)*
HK$73.40
FREE delivery for orders over HK$250.00
In Stock
- 200 unit(s) ready to ship from another location
- Plus 3,200 unit(s) shipping from 30 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 100 - 100 | HK$0.734 | HK$73.40 |
| 200 - 200 | HK$0.715 | HK$71.50 |
| 300 - 300 | HK$0.698 | HK$69.80 |
| 400 - 400 | HK$0.68 | HK$68.00 |
| 500 + | HK$0.662 | HK$66.20 |
*price indicative
- RS Stock No.:
- 225-0557
- Distrelec Article No.:
- 304-39-400
- Mfr. Part No.:
- BSS123IXTSA1
- Manufacturer:
- Infineon
Specifications
Product overview and Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Infineon | |
| Channel Type | N | |
| Product Type | MOSFET | |
| Maximum Continuous Drain Current Id | 190mA | |
| Maximum Drain Source Voltage Vds | 100V | |
| Series | BSS123I | |
| Package Type | SOT-223 | |
| Mount Type | Surface | |
| Pin Count | 4 | |
| Maximum Drain Source Resistance Rds | 10Ω | |
| Channel Mode | Depletion | |
| Minimum Operating Temperature | -55°C | |
| Typical Gate Charge Qg @ Vgs | 0.63nC | |
| Forward Voltage Vf | 1.1V | |
| Maximum Gate Source Voltage Vgs | 20V | |
| Maximum Power Dissipation Pd | 0.5W | |
| Maximum Operating Temperature | 150°C | |
| Length | 6.7mm | |
| Standards/Approvals | No | |
| Height | 1.8mm | |
| Width | 3.7mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Infineon | ||
Channel Type N | ||
Product Type MOSFET | ||
Maximum Continuous Drain Current Id 190mA | ||
Maximum Drain Source Voltage Vds 100V | ||
Series BSS123I | ||
Package Type SOT-223 | ||
Mount Type Surface | ||
Pin Count 4 | ||
Maximum Drain Source Resistance Rds 10Ω | ||
Channel Mode Depletion | ||
Minimum Operating Temperature -55°C | ||
Typical Gate Charge Qg @ Vgs 0.63nC | ||
Forward Voltage Vf 1.1V | ||
Maximum Gate Source Voltage Vgs 20V | ||
Maximum Power Dissipation Pd 0.5W | ||
Maximum Operating Temperature 150°C | ||
Length 6.7mm | ||
Standards/Approvals No | ||
Height 1.8mm | ||
Width 3.7mm | ||
Automotive Standard No | ||
Infineon BSS123I Series MOSFET, 100V Maximum Drain Source Voltage, 190mA Maximum Continuous Drain Current - BSS123IXTSA1
This MOSFET is a small-signal N-channel transistor designed for surface-mount applications, providing switching and amplification functions across a wide temperature range. It is intended for circuits requiring a depletion-mode device with modest current handling and moderate voltage capability, suitable for Compact assemblies where a SOT-223 package and conservative power handling are required.
Features and Benefits:
• 100 V drain-to-source rating delivers high-voltage switching capability
• 10 Ω maximum RDS(on) provides controlled on-state conduction
• 190 mA continuous drain current supports low-current loads
• 0.5 W power dissipation limits thermal stress in constrained layouts
• 0.63 nC typical gate charge enables modest switching energy demands
• ±20 V gate tolerance allows broad gate-drive flexibility
• 10 Ω maximum RDS(on) provides controlled on-state conduction
• 190 mA continuous drain current supports low-current loads
• 0.5 W power dissipation limits thermal stress in constrained layouts
• 0.63 nC typical gate charge enables modest switching energy demands
• ±20 V gate tolerance allows broad gate-drive flexibility
Applications
• Used for low-current high-voltage switching in control circuits
• Suitable for surface-mount power management on Compact boards
• Ideal for analogue signal attenuation or pull-down functions
• Can be used for level-shifting in mixed-voltage systems
• Used with driver stages needing depletion-mode characteristics
• Suitable for surface-mount power management on Compact boards
• Ideal for analogue signal attenuation or pull-down functions
• Can be used for level-shifting in mixed-voltage systems
• Used with driver stages needing depletion-mode characteristics
What ambient temperature range can it operate in?
It is specified to function correctly from -55°C up to 150°C.
What package should designers plan for when laying out the board?
The device comes in a SOT-223 surface-mount package with four pins for PCB footprint planning.
How does its gate charge affect switching performance?
A typical gate charge of 0.63 nC reduces required gate-drive energy and influences transition speed in switching topologies.
What limits the maximum continuous current in applications?
The specified continuous drain current of 190 mA defines thermal and conduction limits for sustained operation.
Is this intended as an automotive-grade component?
It is not classified to automotive standards and should not be assumed to meet automotive qualification.
Related links
- Infineon BSS123I Type N-Channel MOSFET 100 V Depletion, 4-Pin SOT-223
- Infineon BSS169I N-Channel MOSFET 100 V Depletion, 3-Pin SOT-23 BSS169IXTSA1
- Infineon SIPMOS Type N-Channel MOSFET 240 V Depletion, 4-Pin SOT-223 BSP129H6327XTSA1
- Infineon SIPMOS Type N-Channel MOSFET 200 V Depletion, 4-Pin SOT-223 BSP149H6327XTSA1
- Infineon BSP135I Type N-Channel MOSFET 600 V Depletion, 4-Pin SOT-223
- Infineon SIPMOS Type N-Channel MOSFET 200 V Depletion, 4-Pin SOT-223
- Infineon SIPMOS Type N-Channel MOSFET 600 V Depletion, 4-Pin SOT-223
- Infineon BSP135I Type N-Channel MOSFET 600 V Depletion, 4-Pin SOT-223 BSP135IXTSA1