My Inquiry
My Account
Renesas RJF0408JPD-01#J3
- Part No.:
- RJF0408JPD-01#J3
- Manufacturer:
- Renesas
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
RJF0408JPD-01#J3.pdf
- Description:
- ABU / MOSFET
- Quantity:
- Payment:
- Shipping:
Inventory:4,188
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
RJF0408JPD-01#J3 from Renesas Electronics is a 40 V, 30 A silicon N-channel thermal FET with integrated overtemperature shutdown, current limiting, and latch-type protection-designed for automotive power switching in 12 V systems such as body control modules, motor drivers, and lighting load management.
For engineers reviewing the RJF0408JPD-01#J3 datasheet, RJF0408JPD-01#J3 pinout, RJF0408JPD-01#J3 application, or RJF0408JPD-01#J3 equivalent, key selection criteria include its 24 mΩ RDS(on) at 5 V gate drive, 175 °C thermal shutdown threshold, latch recovery requirement (0 V reset), AEC-Q101 qualification, and DPAK(S) package compatibility with high short-circuit endurance.
Technical Context
This device integrates temperature sensing, gate shutdown logic, and current limiting into a single silicon die-enabling autonomous protection without external controllers. Its latch-type shutdown requires full gate voltage removal to reset, distinguishing it from auto-recovery thermal FETs.
The FET operates with logic-level gate drive (3.5 V threshold, 12 V max gate voltage), supports 30 A continuous drain current at Tc = 25 °C, and delivers 24 mΩ typical RDS(on) at VGS = 5 V-optimized for low-loss switching in 12 V automotive power distribution networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 40 V - Maximum blocking voltage for 12 V system load switching with margin against transients. |
| RDS(on) | 24 mΩ (typ) at VGS = 5 V - Enables <1 W conduction loss at 20 A, reducing heatsink requirements. |
| Tsd | 175 °C - Junction temperature-triggered shutdown point, protecting against sustained overload or cooling failure. |
| ID (continuous) | 30 A - Rated drain current at Tc = 25 °C, derated per curve on datasheet page 3. |
| VGS(th) | 1.1–2.1 V - Low threshold enables direct MCU GPIO drive without level-shifting. |
| Qg (est.) | ~35 nC (derived from Ciss/Coss & switching times) - Supports efficient 10–100 kHz PWM switching with moderate gate driver strength. |
| AEC-Q101 | Qualified - Validated for automotive under-hood applications including temperature cycling, humidity, and mechanical shock. |
Pinout & Package
Package: DPAK(S) (RENESAS code PRSS0004ZD-C), surface-mount, 4-pin outline with dual drain terminals for enhanced current handling and thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Gate) | Control input | Logic-level input (3.5–12 V); connects to MCU GPIO or driver IC; internal gate resistor limits dV/dt. |
| 2 (Drain) | High-side power path | Primary current-carrying terminal; bonded to exposed tab for thermal conduction to PCB copper. |
| 3 (Source) | Power return reference | Common source node; used for current-sense feedback and gate drive reference in high-side configurations. |
| 4 (Drain) | Parallel current path | Second drain terminal electrically identical to Pin 2; reduces package resistance and improves thermal spreading. |
Key Features
| Feature | Design Value |
|---|---|
| Latch-type thermal shutdown | Requires complete gate voltage removal (0 V) to reset-prevents uncontrolled re-engagement during fault conditions. |
| Built-in current limitation | Clamps drain current to ~28 A at VGS = 5 V, limiting energy during short-circuit events. |
| ESD endurance | Qualified to >2 kV HBM-reduces need for external ESD protection in automotive harness interfaces. |
| Body diode performance | VDF = 0.9 V at 30 A enables efficient freewheeling in inductive loads without external diode. |
| Short-circuit robustness | Withstands 100 ms short-circuit at 16 V supply-validated per AEC-Q101 stress test protocols. |
Applications
| Automotive Body Control Module | LED Headlamp Driver |
|---|---|
Use Scenario: Switching 12 V power to door locks, window lifts, and seat actuators with overtemperature and short-circuit protection. IC Role / Device Role / Timing Role: High-side power switch with autonomous thermal/current fault response-no microcontroller supervision required. Use Value: Eliminates need for discrete sense resistors, comparators, and reset circuitry, reducing BOM count by ≥4 components per channel. |
Use Scenario: Driving high-brightness LED arrays in adaptive front-lighting systems with PWM dimming and fault monitoring. IC Role / Device Role / Timing Role: Current-regulated high-side switch enabling precise current control via gate voltage modulation. Use Value: Built-in current limit ensures consistent LED brightness during voltage dips and prevents thermal runaway at elevated ambient temperatures. |
| Engine Bay Fan Controller | Start-Stop System Load Management |
Use Scenario: Controlling radiator cooling fans subject to high ambient temperature, vibration, and load dump transients. IC Role / Device Role / Timing Role: Protected power switch interfacing directly with engine control unit (ECU) PWM outputs. Use Value: 175 °C shutdown threshold allows operation up to 125 °C ambient with safety margin, extending fan controller lifetime in harsh environments. |
Use Scenario: Managing auxiliary loads (HVAC, infotainment) during engine restart to prevent battery voltage sag below critical thresholds. IC Role / Device Role / Timing Role: Fast-turning, thermally protected switch enabling precise load sequencing during start-stop transitions. Use Value: 3.7 µs turn-on delay and 10.4 µs turn-off delay support sub-100 ms load engagement/disengagement timing windows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar thermal-protected power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NVMFS5C464N | 40 V, 32 A, 2.5 mΩ RDS(on), no integrated thermal shutdown-requires external protection IC. | Higher efficiency but adds complexity; suitable where board space permits discrete protection design. | Choose when lowest conduction loss is prioritized and thermal monitoring can be implemented externally. |
| Infineon BTS4141N | 40 V, 14 A, integrated smart high-side switch with adjustable current limit and diagnostic feedback (INH/IS). | Lower current rating; provides status reporting but lacks latch-type shutdown and higher current capability. | Choose when diagnostics and programmable current limit are needed over raw current capacity and autonomous latch behavior. |
Compared with RJF0408JPD-01#J3, the NVMFS5C464N offers lower RDS(on) but no protection integration, while the BTS4141N adds intelligence and diagnostics at the cost of current rating and latch reliability-making RJF0408JPD-01#J3 optimal for high-current, self-protecting 12 V switching where simplicity and ruggedness are primary.
Availability
RJF0408JPD-01#J3 is available at Aetrix Electronics and suitable for automotive body electronics, LED lighting systems, and engine bay power distribution requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for RJF0408JPD-01#J3 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 applications.
The RJF0408JPD-01#J3 belongs to Renesas' Thermal FET family-engineered specifically for AEC-Q101-compliant automotive power switching where autonomous overtemperature and overcurrent protection reduce system-level complexity.
FAQ
What is the gate drive voltage range for reliable operation of RJF0408JPD-01#J3?
The RJF0408JPD-01#J3 operates reliably with gate voltages from 3.5 V (minimum logic-high threshold) up to 12 V (maximum rated VGS). It achieves 24 mΩ RDS(on) at 5 V and maintains full 30 A current capability at 10 V. Gate drive above 12 V risks permanent damage to the integrated gate oxide structure, and below 3.5 V may result in incomplete turn-on and excessive conduction losses.
Does RJF0408JPD-01#J3 require an external pull-down resistor on the gate?
Yes, RJF0408JPD-01#J3 requires an external gate pull-down resistor (typically 10–100 kΩ) to ensure the gate returns to 0 V after shutdown, enabling latch reset. The internal gate circuit does not provide active discharge; without this resistor, the gate may float near threshold voltage, preventing reliable recovery from thermal or current-limit faults.
How does the latch-type shutdown in RJF0408JPD-01#J3 differ from auto-recovery thermal protection?
The latch-type shutdown in RJF0408JPD-01#J3 holds the gate off until VGS is fully removed (≤0.5 V) and reapplied-preventing unintended reactivation during fault persistence. Auto-recovery devices reset once junction temperature falls below threshold, risking repeated cycling in sustained overload. This makes RJF0408JPD-01#J3 safer for critical automotive loads where uncontrolled re-engagement could cause damage.
Can RJF0408JPD-01#J3 be used in high-side or low-side switching configurations?
RJF0408JPD-01#J3 is optimized for high-side switching in 12 V automotive systems, with source tied to ground and load connected between battery and drain. Its logic-level gate threshold and integrated protection operate correctly in this configuration. Low-side use is possible but negates the benefit of source-referenced current sensing and complicates gate drive in grounded-load scenarios.
What is the maximum allowable case temperature before thermal shutdown activates in RJF0408JPD-01#J3?
The RJF0408JPD-01#J3 triggers thermal shutdown at a junction temperature of 175 °C, which corresponds to a case temperature of approximately 150–160 °C depending on thermal resistance (θch-c = 3.125 °C/W). At Tc = 150 °C, the device will shut down within milliseconds if power dissipation continues-providing robust protection against heatsink failure or airflow loss.
RJF0408JPD-01#J3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- 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):
- 30A
- Rds On (Typ):
- 24mOhm
- 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:
- DPAK-3
RJF0408JPD-01#J3 FAQ
1.How can I place an order for RJF0408JPD-01#J3 through Aetrix?
Please submit a Request for Quotation (RFQ) for RJF0408JPD-01#J3 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 RJF0408JPD-01#J3 reliable?
The price and inventory of RJF0408JPD-01#J3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RJF0408JPD-01#J3 is usually 5 days.
3.What payment methods are accepted for RJF0408JPD-01#J3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RJF0408JPD-01#J3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RJF0408JPD-01#J3?
RJF0408JPD-01#J3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RJF0408JPD-01#J3 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 RJF0408JPD-01#J3?
For technical support, including RJF0408JPD-01#J3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RJF0408JPD-01#J3 requirements.
6.How does Aetrix verify that RJF0408JPD-01#J3 is sourced from the original manufacturer or authorized distributors?
All RJF0408JPD-01#J3 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 RJF0408JPD-01#J3 meets industry standards.
7.What is the process for return or replacement of RJF0408JPD-01#J3?
All RJF0408JPD-01#J3 units undergo pre-shipment inspection (PSI). If there is an issue with RJF0408JPD-01#J3, 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 RJF0408JPD-01#J3 part is unused and in its original packaging.
Return procedure for RJF0408JPD-01#J3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RJF0408JPD-01#J3 Tags
-
TPS22919DCKR
Texas Instruments
-
MIC2091-1YM5-TR
Microchip Technology
-
MIC2090-1YM5-TR
Microchip Technology
-
TPS22995RZFR
Texas Instruments
-
TPS22975DSGR
Texas Instruments
-
SIP32510DT-T1-GE3
Vishay Siliconix
-
ULN2003D1013TR
STMicroelectronics
-
MIC2005A-1YM5-TR
Microchip Technology
-
MIC2005A-1YM6-TR
Microchip Technology
-
TPS22916BYFPR
Texas Instruments
-
TPS22917DBVR
Texas Instruments
-
ULN2003APWR
Texas Instruments
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
