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HomeProductsDiscrete Semiconductor ProductsTransistors - FETs, MOSFETs - SingleRJK005N03T146
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RJK005N03T146 - Rohm Semiconductor

Manufacturer Part Number
RJK005N03T146
Manufacturer
LAPIS Technology
Allelco Part Number
32D-RJK005N03T146
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
281,300 pcs available, New & Original
Parts Description
MOSFET N-CH 30V 500MA SMT3
Package
SMT3
Data sheet
RJK005N03T146.pdf

Datasheets

RJK005N03.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 281300
  • Unit Price: $0.045
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
5+ $0.045 $0.23
50+ $0.04 $2.00
150+ $0.038 $5.70
500+ $0.036 $18.00
3000+ $0.034 $102.00
6000+ $0.033 $198.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

RJK005N03T146 Tech Specifications
Rohm Semiconductor - RJK005N03T146 technical specifications, attributes, parameters and parts with similar specifications to Rohm Semiconductor - RJK005N03T146

Product Attribute Attribute Value
Manufacturer LAPIS Technology
Vgs(th) (Max) @ Id 1.5V @ 1mA
Vgs (Max) ±12V
Technology MOSFET (Metal Oxide)
Supplier Device Package SMT3
Series -
Rds On (Max) @ Id, Vgs 580mOhm @ 500mA, 4.5V
Power Dissipation (Max) 200mW (Ta)
Package / Case TO-236-3, SC-59, SOT-23-3
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature 150°C (TJ)
Mounting Type Surface Mount
Input Capacitance (Ciss) (Max) @ Vds 60 pF @ 10 V
Gate Charge (Qg) (Max) @ Vgs 4 nC @ 4 V
FET Type N-Channel
FET Feature -
Drive Voltage (Max Rds On, Min Rds On) 2.5V, 4.5V
Drain to Source Voltage (Vdss) 30 V
Current - Continuous Drain (Id) @ 25°C 500mA (Ta)
Base Product Number RJK005

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Frequently Asked Questions(FAQ)

How does the RJK005N03T146 perform in terms of Rds(on) at 4.5V Vgs, and what does this imply for power efficiency in low-voltage switching applications?
At 4.5V gate-source voltage, the RJK005N03T146 exhibits a maximum Rds(on) of 580mΩ when conducting 500mA drain current. This relatively high on-resistance translates to a conduction loss of approximately 0.145W (I² × Rds(on)) under full continuous load, which is close to its 200mW total power dissipation rating. Therefore, while suitable for light-duty switching, it demands careful thermal management or reduced duty cycles in high-efficiency designs.
What are the key differences between the RJK005N03T146 and alternative models like the NTR4003NT3G when used as load switches in battery-powered devices?
While both the RJK005N03T146 and NTR4003NT3G are N-channel MOSFETs rated for 30V and 500mA, the NTR4003NT3G typically features lower Rds(on)—often below 300mΩ—and slightly higher gate charge tolerance. The RJK005N03T146’s 580mΩ Rds(on) may result in higher conduction losses in space-constrained or thermally limited applications, making the NTR4003NT3G preferable where efficiency outweighs package footprint.
Is the RJK005N03T146 suitable for use in environments requiring strict moisture sensitivity control, and how should it be handled during assembly?
Yes, the RJK005N03T146 carries an MSL 1 classification, indicating unlimited shelf life and no special handling requirements before reflow soldering. It can be stored indefinitely under standard conditions and exposed directly to ambient environment during processing without risk of moisture-induced defects, simplifying supply chain logistics and PCB assembly workflows.
Can the RJK005N03T146 operate reliably in compact consumer electronics with limited heat sinking, such as wearables or IoT nodes?
Due to its 200mW maximum power dissipation and 500mA continuous drain current, the RJK005N03T146 can support brief surge loads in small form-factor devices but must avoid sustained operation near its thermal limit. In passive-cooled systems like wearables, it should only be driven below 300–400mA average current to prevent overheating, unless supplemented with thermal vias or localized copper pours.
How does the gate threshold voltage of the RJK005N03T146 compare to other logic-level FETs, and what implications does this have for microcontroller interfacing?
With a maximum Vgs(th) of 1.5V at 1mA, the RJK005N03T146 is compatible with low-voltage logic gates, including many 1.8V or 3.3V microcontrollers. However, full enhancement to minimum Rds(on) requires 4.5V, so driving it from a 3.3V system results in higher resistance—potentially 1.5× higher than at 4.5V—which may compromise efficiency in precision analog switching scenarios.
What input capacitance and switching speed characteristics should be expected from the RJK005N03T146 in high-frequency digital control circuits?
The device exhibits a maximum input capacitance (Ciss) of 60pF at 10V across drain-source. Coupled with a gate charge of 4nC at 4V, this suggests moderate switching speeds, suitable for frequencies up to several hundred kHz in lightly loaded applications. However, at higher frequencies or with capacitive loads, increased gate drive effort and potential ringing may necessitate series damping or optimized layout.
Are there known substitutes or pin-compatible alternatives to the RJK005N03T146 that offer better performance in high-density PCB designs?
Substitutes such as the DMN601WK-7 or FDV303N share similar voltage and current ratings but generally deliver lower Rds(on)—often under 300mΩ—at comparable gate voltages. These may provide superior efficiency in space-constrained layouts, though package compatibility must be verified; the RJK005N03T146’s SMT3 footprint remains unique in some legacy designs, limiting direct swaps without BOM revision.
How does the RJK005N03T146’s junction-to-ambient thermal resistance affect long-term reliability in enclosed enclosures?
Although not explicitly listed in the datasheet, assuming a typical junction-to-ambient thermal impedance around 300–350°C/W for the SOT-23-3 package, the RJK005N03T146 could see junction temperatures rise above 85°C even at 400mA in sealed environments. Prolonged exposure risks accelerated degradation, underscoring the need for derating or airflow considerations in closed-system deployments.
What drive voltage specifications ensure optimal performance from the RJK005N03T146 without risking gate oxide damage?
The RJK005N03T146 supports drive voltages up to ±12V, well beyond typical logic levels, but reliable low-resistance operation occurs at 2.5V and fully enhanced at 4.5V. Operating within ±6V ensures safe gate operation, while exceeding ±12V risks permanent gate oxide failure. Designers should include clamping diodes or Zener protection if using external drivers with transient spikes.
Can the RJK005N03T146 be used in bidirectional current paths or reverse polarity protection, and what limitations apply?
As an N-channel device, the RJK005N03T146 is best suited for high-side switching relative to ground. For reverse polarity protection, a P-channel configuration is more efficient due to lower conduction losses. Using the RJK005N03T146 in this role would require high-side placement with substantial voltage headroom, increasing complexity and reducing overall system efficiency compared to dedicated protection ICs.
How does the RJK005N03T146’s gate charge compare to similar-sized MOSFETs, and what does this mean for PWM switching efficiency?
At 4V gate drive, the RJK005N03T146 has a gate charge of 4nC, which is moderate for its class. When compared to newer trench-type devices offering <2nC, it consumes more energy per switching cycle. In low-duty-cycle PWM applications, this increases gate drive loss but remains acceptable for infrequent transitions common in battery monitors or LED drivers.
What environmental and regulatory compliance aspects make the RJK005N03T146 appropriate for global consumer product deployment?
Fully compliant with RoHS3 standards and unaffected by REACH regulations, the RJK005N03T146 meets stringent global environmental directives. Its EAR99 classification and HTSUS code 8541.21.0095 indicate unrestricted export eligibility under most trade regimes, simplifying international certification and reducing legal risk in mass-market electronics manufacturing.
Should pull-up or pull-down resistors be used at the gate of the RJK005N03T146, and why?
Given its floating gate susceptibility in unpowered states, a weak pull-down resistor (e.g., 10kΩ) is recommended to prevent accidental turn-on from noise or leakage currents. This ensures deterministic shutdown behavior during power sequencing or brown-out events, particularly in systems with long traces or shared bus topologies.
What layout practices minimize parasitic inductance and improve switching integrity when implementing the RJK005N03T146 in high-impedance sensor circuits?
Minimize loop area between source lead, decoupling capacitor, and ground plane to reduce dv/dt coupling into sensitive inputs. Place a 0.1µF ceramic capacitor as close as possible to the drain and source pins to suppress inductive kick. Use Kelvin connections if measuring very low voltages across Rds(on), since its 580mΩ resistance demands precise measurement to avoid loading errors.
How does the RJK005N03T146’s continuous drain current rating behave under pulsed versus DC operation?
While rated for 500mA continuous at 25°C ambient, pulse operation allows higher instantaneous currents due to thermal inertia. Assuming short pulses (<1ms) and low duty cycle, peak currents up to 1A may be feasible. However, cumulative heating from frequent pulses near thermal limits could degrade reliability, necessitating empirical testing under actual operating profiles.
Is the RJK005N03T146 recommended for use in automotive-grade temperature cycling environments?
The device operates up to 150°C junction temperature, satisfying basic AEC-Q101 qualification thresholds, but lacks explicit automotive endorsement. In non-critical applications within passenger compartments, it may suffice, but for under-hood or safety-related systems, a certified alternative with enhanced mechanical robustness and extended lifetime testing is advisable.
How does the base product number RJK005 relate to variant differentiation in the RJK005N03T146 family?
The prefix RJK005 identifies a product family sharing core electrical characteristics, while suffix variations like T146 denote packaging, tape format, and reel orientation. The RJK005N03T146 specifically uses cut tape (CT), facilitating automated assembly lines, whereas FRAT146 indicates full reel format. This enables flexible procurement based on production volume and handling infrastructure.

Parts with Similar Specifications

The three parts on the right have similar specifications to Rohm Semiconductor RJK005N03T146

Product Attribute RJK005N03FRAT146 RJK0204DPA-00#J53 RJK0204DPA-WS#J53 RJK0213DPA-00#J53
Part Number RJK005N03FRAT146 RJK0204DPA-00#J53 RJK0204DPA-WS#J53 RJK0213DPA-00#J53
Manufacturer Rohm Semiconductor Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Vgs (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
FET Feature - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Technology - - - -
Input Capacitance (Ciss) (Max) @ Vds - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
FET Type - - - -
Vgs(th) (Max) @ Id - - - -
Rds On (Max) @ Id, Vgs - - - -
Series - - - -
Power Dissipation (Max) - - - -
Drive Voltage (Max Rds On, Min Rds On) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Continuous Drain (Id) @ 25°C - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Gate Charge (Qg) (Max) @ Vgs - - - -
Drain to Source Voltage (Vdss) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

RJK005N03T146 Datasheet PDF

Download RJK005N03T146 pdf datasheets and Rohm Semiconductor documentation for RJK005N03T146 - Rohm Semiconductor.

Datasheets
RJK005N03.pdf

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Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
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    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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Rohm Semiconductor

RJK005N03T146

Rohm Semiconductor
32D-RJK005N03T146

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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