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CSD17551Q5A N-Channel 30V MOSFET with 48A continuous drain current, 8.8mOhm max Rds(on) at 10V. Logic level gate drive, surface mount in 8-PowerTDFN package.
Mfr Part #:

CSD17551Q5A

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
N-Channel 30V MOSFET with 48A continuous drain current, 8.8mOhm max Rds(on) at 10V. Logic level gate drive, surface mount in 8-PowerTDFN package.
✓ Total Stock: 9,567 pcs
$ Price Range: $0.37 - $1.57

CSD17551Q5A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Unit Electronics Co.,Limited ✓
Non-Authorised Inventory information
7,139 pcs
On Request
7139 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
Non-Authorised Inventory information
2,428 pcs
On Request
2428 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

CSD17551Q5A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Halogen Free
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Technology
Vgs (Max)
Vgs(th) (Max) @ Id
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CSD17551Q5A Description

Short technical summary and product information.

The CSD17551Q5A is a 30V N-Channel NexFET power MOSFET from Texas Instruments designed to minimize conduction and switching losses in power conversion applications. It delivers up to 48A continuous drain current at 25°C case temperature (silicon limited) and features a low maximum on-resistance of 8.8mOhm at 10V gate drive (11mOhm at 4.5V). The device is logic level compatible with a typical gate threshold voltage of 1.7V and supports gate drive voltages from 4.5V to 10V.

 

With a typical total gate charge of 6nC at 10V and low gate-to-drain charge (Qgd) of 1.4nC, the MOSFET enables high-frequency switching with reduced driver losses. Input capacitance is 1272pF at 15V Vds. The part is avalanche rated and operates over a junction temperature range of -55°C to 150°C.

 

Packaged in a surface mount 8-PowerTDFN (8-VSONP 5x6mm) package, the CSD17551Q5A offers low thermal resistance for efficient heat dissipation. The package is RoHS compliant, halogen free, and features lead-free terminal plating. This device is suitable for DC-DC converters, load switches, motor control, and other power management circuits.

CSD17551Q5A Quick Information

Product Type: Power MOSFET
Series: NexFET
Canonical Name: CSD17551Q5A N-Channel Power MOSFET
Subcategory: N-Channel

CSD17551Q5A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb Free Terminal Plating

CSD17551Q5A Estimated Pricing

Qty Low High
1+ $1.57 $1.57
10+ $0.99 $0.99
50+ $0.74 $0.74
100+ $0.66 $0.66
2,500+ $0.42 $0.42
7,500+ $0.37 $0.37

Estimated market price range - modelled values for guidance only, not live distributor offers.

CSD17551Q5A Features

  • 30V drain-source voltage rating.
  • 48A continuous drain current at 25°C.
  • Low 8.8mOhm on-resistance at 10V gate drive.
  • Logic level gate threshold (1.7V typical).
  • Surface mount 8-PowerTDFN package.

CSD17551Q5A Applications

  • Power supply DC-DC converter applications.
  • Load switch and power management circuits.
  • Motor control and battery protection.
  • OR-ing and hot-swap functions.

CSD17551Q5A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage rating of the CSD17551Q5A?

30V.

What is the maximum continuous drain current at 25°C?

48A (silicon limited at Tc=25°C).

What is the on-resistance at 10V gate drive?

8.8 mOhm maximum.

What is the package type?

8-PowerTDFN (supplier device package 8-VSONP 5x6 mm).

What is the operating temperature range?

-55°C to 150°C (junction temperature).

Is the CSD17551Q5A RoHS compliant?

Yes, RoHS3 compliant (unverified confidence).

What is the typical gate threshold voltage?

1.7V (maximum 2.2V at 250µA).

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