CSD18540Q5B Texas Instruments MOSFET (N-Channel) (Other) In Stock
The CSD18540Q5B from Texas Instruments is a 60 V N-channel power MOSFET rated for 100 A continuous drain current with an ultra-low 3.3 mΩ on-resistance and 320 mJ avalanche energy rating, built for high-efficiency power conversion and switching designs.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- CSD18540Q5B Datasheet PDF
- Category
- MOSFET (N-Channel)
- Price
- From $0.9180(MOQ 1)
- Temp Range
- -55.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CSD18540Q5B?
- 60 V N-channel power MOSFET with built-in diode
- 100 A maximum continuous drain current
- Ultra-low 3.3 mΩ (0.0033 Ω) typical on-resistance
- 320 mJ avalanche energy rating for ruggedness
- Compact power SON (Q5B) surface-mount package
- Metal-oxide semiconductor (MOSFET) switch technology
What is CSD18540Q5B used for?
The CSD18540Q5B is well suited for high-current power conversion applications such as DC-DC converters, motor drives, and battery-management or protection switches, where its 60 V rating, 100 A capability, and 3.3 mΩ on-resistance minimize conduction losses. Its 320 mJ avalanche energy rating also makes it a durable choice for inductive-load switching in industrial and automotive-adjacent power systems.
What are the specifications of CSD18540Q5B?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | AVALANCHE RATED |
| Avalanche Energy Rating (Eas) | 320mJ |
| Case Connection | DRAIN |
| Configuration | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 60V |
| Drain Current-Max (ID) | 100A |
| Drain-source On Resistance-Max | 0.0033Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | 20pF |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e4 |
| Number of Elements | 1 |
| Operating Mode | ENHANCEMENT MODE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity/Channel Type | N-CHANNEL |
| Power Dissipation-Max (Abs) | 188W |
| Pulsed Drain Current-Max (IDM) | 400A |
| Surface Mount | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
| Country of Origin | Philippines |
Where can I find the CSD18540Q5B datasheet?
CSD18540Q5B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CSD18540Q5B?
Compatible alternatives and drop-in replacements for CSD18540Q5B:
Power Field-Effect Transistor, 100A I(D), 60V, 0.0033ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET
suggested
suggested
suggested
suggested
Frequently Asked Questions
How does the CSD18540Q5B minimize conduction losses in high-current designs?
The CSD18540Q5B delivers a typical on-resistance of just 3.3 mΩ while supporting up to 100 A of continuous drain current and a 60 V drain-source breakdown rating, which together reduce I²R power dissipation in high-current switching and power-conversion circuits.
Can the CSD18540Q5B's SON package handle sustained 100 A conduction in compact PCB layouts?
Yes, the CSD18540Q5B is housed in TI's power SON (Q5B) surface-mount outline with a drain-connected case for improved thermal and electrical performance, allowing the device to sustain up to 100 A of drain current and dissipate heat efficiently at a 60 V breakdown rating.
Why do power-supply engineers specify avalanche-rated MOSFETs like the CSD18540Q5B instead of standard parts?
The CSD18540Q5B carries a 320 mJ avalanche energy rating, meaning it can absorb inductive voltage spikes above its 60 V breakdown without failure, which lets designers skip additional snubber components and qualify a single 100 A part across multiple switching-power-supply platforms.
Which power-electronics systems benefit most from the CSD18540Q5B's low on-resistance?
DC-DC converters, motor drivers, and battery-protection switches operating at up to 100 A and 60 V benefit from the CSD18540Q5B's 3.3 mΩ on-resistance, since lower conduction losses cut heat generation and improve efficiency in space-constrained power modules.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.4000 | $2.40 |
| 10+ | $1.8000 | $18.00 |
| 25+ | $1.0204 | $25.51 |
| 205+ | $0.9926 | $203.48 |
| 265+ | $0.9553 | $253.15 |
| 330+ | $0.9180 | $302.94 |
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