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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Distribution Switches, Load Drivers

Renesas RJF0412JSP-00#J0

Name: RJF0412JSP-00#J0
Brand: Renesas
SKU: RJF0412JSP-00#J0
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: RJF0412JSP-00#J0

Manufacturer:: Renesas

Category:: Power Distribution Switches, Load Drivers

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: RJF0412JSP-00#J0.pdf

Description:: ABU / MOSFET

Quantity:: RFQ Add To RFQ list

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Product details

Overview

RJF0412JSP-00#J0 from Renesas Electronics is a 40 V, 10 A N-channel logic-level power MOSFET with integrated overtemperature shutdown, current limitation, and latch-type thermal protection-designed for automotive-grade load switching in 12 V systems. It features R_DS(on) = 29 mΩ (typ) at V_GS = 5 V, AEC-Q101 qualification, and SOP-8 (FP-8DAV) packaging.

For engineers reviewing the RJF0412JSP-00#J0 datasheet, RJF0412JSP-00#J0 pinout, RJF0412JSP-00#J0 application, or RJF0412JSP-00#J0 equivalent, key selection criteria include thermal shutdown threshold (175°C), gate drive compatibility with 3.5–12 V logic, short-circuit endurance, and compliance with automotive reliability standards.

Technical Context

This MOSFET integrates sensing, latch, and shutdown circuitry directly in the gate region-enabling autonomous thermal protection without external controllers. Its operation relies on junction temperature monitoring and gate voltage removal upon exceeding T_sd = 175°C, requiring full gate voltage recovery to reset.

The device combines current limiting (I_Dlimt = 34 A at V_GS = 5 V) with avalanche ruggedness (E_AR = 147 mJ, I_AP = 4.7 A), supporting robust operation under transient overload and inductive switching in automotive power distribution networks.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	40 V - Maximum drain-source blocking voltage for 12 V automotive system protection
R_DS(on)	29 mΩ (typ) at V_GS = 5 V - Enables low conduction loss in high-current load switches
I_D	10 A continuous - Rated current for sustained operation on FR4 PCB (40 × 40 × 1.6 mm)
T_sd	175°C - Junction temperature threshold triggering irreversible gate shutdown
V_GS(th)	1.1–2.1 V - Ensures turn-on with standard 3.3 V/5 V logic-level drivers
E_AR	147 mJ - Avalanche energy rating supporting inductive load switching without external snubbers
AEC-Q101	Qualified - Meets stress test requirements for automotive electronic components

Pinout & Package

Package: SOP-8 (FP-8DAV), Renesas code PRSP0008DD-D - surface-mount, 3.95 × 4.9 mm footprint with exposed drain pad for thermal dissipation.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3	Source	Common source connection for internal MOSFET cells; tied to PCB ground plane
4	Gate	Logic-level input controlling channel conduction; includes integrated shutdown control circuitry
5, 6, 7, 8	Drain	High-current output terminal; pins 5–8 internally connected to single drain node and exposed pad

Key Features

Feature	Design Value
Latch-type thermal shutdown	Irreversible gate disable until V_GS = 0 V applied-prevents uncontrolled reactivation during fault conditions
Built-in current limitation	Clamps drain current to ~34 A at V_GS = 5 V-limits peak stress during short-circuit events
Logic-level gate drive	Operates fully with 3.5 V input (V_IH = 3.5 V)-compatible with microcontroller GPIOs without level-shifting
Avalanche-rated structure	Withstands 4.7 A repetitive avalanche current and 147 mJ single-pulse energy-eliminates need for external clamping diodes
AEC-Q101 qualification	Validated for automotive temperature range (−40°C to +150°C) and mechanical stress-suitable for engine bay and chassis applications

Applications

Automotive Body Control Module (BCM)	Engine Control Unit (ECU) Power Distribution
Use Scenario: Switching headlamp, fog lamp, or HVAC blower motor loads in 12 V vehicle electrical architecture. IC Role / Device Role / Timing Role: High-side load switch providing controlled power delivery and fault isolation. Use Value: Integrated thermal shutdown prevents fire hazard during wiring faults; current limit avoids fuse nuisance blowing.	Use Scenario: Driving solenoids, fuel injectors, or ignition coils where inductive kickback and short-circuit risk are present. IC Role / Device Role / Timing Role: Protected power switch with avalanche energy absorption and fast fault response. Use Value: Eliminates need for external TVS or freewheeling diodes; latch behavior ensures fail-safe deactivation after overtemperature event.
ADAS Camera Power Supply	Electric Power Steering (EPS) Auxiliary Loads
Use Scenario: Providing clean, monitored 12 V power to forward-facing camera modules with strict EMI and reliability requirements. IC Role / Device Role / Timing Role: Low-R_DS(on) load switch with precise thermal margin control. Use Value: 29 mΩ R_DS(on) minimizes voltage drop and self-heating; AEC-Q101 ensures long-term stability in vibration-prone mounting locations.	Use Scenario: Controlling auxiliary pumps, heaters, or sensors within EPS subsystems subject to high ambient temperatures. IC Role / Device Role / Timing Role: Fault-tolerant power switch with junction temperature monitoring and automatic shutdown. Use Value: 175°C shutdown threshold aligns with EPS thermal limits; SOP-8 package enables compact layout near motor control ICs.

Automotive Body Control Module (BCM)

Engine Control Unit (ECU) Power Distribution

Use Scenario: Switching headlamp, fog lamp, or HVAC blower motor loads in 12 V vehicle electrical architecture.

IC Role / Device Role / Timing Role: High-side load switch providing controlled power delivery and fault isolation.

Use Value: Integrated thermal shutdown prevents fire hazard during wiring faults; current limit avoids fuse nuisance blowing.

Use Scenario: Driving solenoids, fuel injectors, or ignition coils where inductive kickback and short-circuit risk are present.

IC Role / Device Role / Timing Role: Protected power switch with avalanche energy absorption and fast fault response.

Use Value: Eliminates need for external TVS or freewheeling diodes; latch behavior ensures fail-safe deactivation after overtemperature event.

ADAS Camera Power Supply

Electric Power Steering (EPS) Auxiliary Loads

Use Scenario: Providing clean, monitored 12 V power to forward-facing camera modules with strict EMI and reliability requirements.

IC Role / Device Role / Timing Role: Low-R_DS(on) load switch with precise thermal margin control.

Use Value: 29 mΩ R_DS(on) minimizes voltage drop and self-heating; AEC-Q101 ensures long-term stability in vibration-prone mounting locations.

Use Scenario: Controlling auxiliary pumps, heaters, or sensors within EPS subsystems subject to high ambient temperatures.

IC Role / Device Role / Timing Role: Fault-tolerant power switch with junction temperature monitoring and automatic shutdown.

Use Value: 175°C shutdown threshold aligns with EPS thermal limits; SOP-8 package enables compact layout near motor control ICs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel protected power switch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor NVHL110N04M	No integrated thermal shutdown or current limiting; requires external protection circuitry	Suitable only when discrete fault management is already implemented in system design	Select if cost sensitivity outweighs integration benefit and board space allows added components
Infineon BTS4140N	Smart high-side switch with diagnostics; different pinout (PG-TO263-7); higher R_DS(on) (40 mΩ)	Includes current sense and open-load detection-adds functionality but increases BOM count	Prefer when diagnostic feedback and CAN/LIN communication are required alongside switching

Compared with NVHL110N04M and BTS4140N, RJF0412JSP-00#J0 delivers unique monolithic integration of thermal shutdown, current limiting, and logic-level drive in an SOP-8 package-reducing component count and enabling simpler, more reliable automotive load switching without sacrificing AEC-Q101 compliance.

Availability

RJF0412JSP-00#J0 is available at Aetrix Electronics and suitable for automotive body electronics, engine management systems, and ADAS power distribution requiring stable component supply, traceable sourcing, and long-term lifecycle support.

Supply support for RJF0412JSP-00#J0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

RJF0412JSP-00#J0 belongs to Renesas' automotive-qualified power MOSFET family-engineered specifically for intelligent, protected load switching in 12 V vehicle electrical systems.

FAQ

What is the thermal shutdown mechanism of RJF0412JSP-00#J0?

RJF0412JSP-00#J0 incorporates a built-in junction temperature sensor and latch-type shutdown circuit in the gate region. When channel temperature reaches 175°C, the gate voltage is forcibly removed and remains disabled until V_GS drops to 0 V-ensuring safe, non-autorestart behavior during thermal faults. This behavior is confirmed in the Target Specifications Datasheet (R07DS1424EJ0100, p.1).

Does RJF0412JSP-00#J0 require external current limiting or thermal protection?

No-RJF0412JSP-00#J0 integrates both current limitation (I_Dlimt ≈ 34 A at V_GS = 5 V) and overtemperature shutdown (T_sd = 175°C). These functions operate autonomously without external components, as documented in the Features section and Electrical Characteristics table of the R07DS1424EJ0100 datasheet.

Is RJF0412JSP-00#J0 compatible with 3.3 V microcontroller GPIOs?

Yes-RJF0412JSP-00#J0 is a logic-level MOSFET with V_IH = 3.5 V (minimum high-level input voltage) and V_GS(th) as low as 1.1 V. It reliably turns on using 3.3 V or 5 V logic signals, eliminating the need for gate drivers or level shifters in most automotive MCU interfaces.

What is the maximum continuous drain current rating for RJF0412JSP-00#J0?

The continuous drain current rating for RJF0412JSP-00#J0 is 10 A under standard test conditions (glass epoxy FR4 board, 40 × 40 × 1.6 mm, P_W ≤ 10 s), as specified in the Absolute Maximum Ratings table (R07DS1424EJ0100, p.1). Derating applies above T_a = 25°C per the Power vs. Temperature graph (p.3).

How does RJF0412JSP-00#J0 differ from standard N-channel MOSFETs like RJK0412DP?

Unlike standard MOSFETs such as RJK0412DP, RJF0412JSP-00#J0 integrates protection circuitry-including latch-type thermal shutdown, current limiting, and gate-level fault sensing-within the same SOP-8 package. It also carries AEC-Q101 qualification, whereas RJK0412DP is rated for industrial use only, per Renesas product documentation.

RJF0412JSP-00#J0 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Switch Type:: General Purpose

Number of Outputs:: 1

Ratio - Input:Output:: 1:1

Output Configuration:: -

Output Type:: N-Channel

Interface:: On/Off

Voltage - Load:: 3.5V ~ 12V

Voltage - Supply (Vcc/Vdd):: Not Required

Current - Output (Max):: 10A

Rds On (Typ):: 29mOhm

Input Type:: Non-Inverting

Features:: Latch Function

Fault Protection:: Current Limiting (Fixed), Over Temperature

Operating Temperature:: 150°C

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOP

RJF0412JSP-00#J0 FAQ

1.How can I place an order for RJF0412JSP-00#J0 through Aetrix?

Please submit a Request for Quotation (RFQ) for RJF0412JSP-00#J0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for RJF0412JSP-00#J0 reliable?

The price and inventory of RJF0412JSP-00#J0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RJF0412JSP-00#J0 is usually 5 days.

3.What payment methods are accepted for RJF0412JSP-00#J0?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RJF0412JSP-00#J0 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for RJF0412JSP-00#J0?

RJF0412JSP-00#J0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your RJF0412JSP-00#J0 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for RJF0412JSP-00#J0?

For technical support, including RJF0412JSP-00#J0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RJF0412JSP-00#J0 requirements.

6.How does Aetrix verify that RJF0412JSP-00#J0 is sourced from the original manufacturer or authorized distributors?

All RJF0412JSP-00#J0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that RJF0412JSP-00#J0 meets industry standards.

7.What is the process for return or replacement of RJF0412JSP-00#J0?

All RJF0412JSP-00#J0 units undergo pre-shipment inspection (PSI). If there is an issue with RJF0412JSP-00#J0, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The RJF0412JSP-00#J0 part is unused and in its original packaging.

Return procedure for RJF0412JSP-00#J0:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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