My Inquiry
My Account
Diodes Incorporated SMCJ24CAQ-13-F
- Part No.:
- SMCJ24CAQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ24CAQ-13-F.pdf
- Description:
- TVS DIODE 24VWM 38.9VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:2,413
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCJ24CAQ-13-F from Diodes Incorporated is a bidirectional 1,500W automotive transient voltage suppressor (TVS) in SMC package, with 24V reverse standoff voltage (VRWM), 38.9V max clamping voltage (VC) at 38.6A peak pulse current (IPP), and AEC-Q101 qualification for under-hood power line protection against ISO7637-2 Pulse 1/2a/3a/3b and ISO10605 ESD events.
For engineers reviewing the SMCJ24CAQ-13-F datasheet, SMCJ24CAQ-13-F pinout, SMCJ24CAQ-13-F application, or SMCJ24CAQ-13-F equivalent, this device serves as a robust, RoHS-compliant, lead-free TVS diode for automotive power rail surge suppression where fast response time (<1 ns), low clamping ratio (VC/VRWM = 1.62), and IATF 16949-certified manufacturing are critical selection criteria.
Technical Context
This bidirectional TVS operates symmetrically across both polarities, enabling protection of AC-coupled or floating automotive signal/power lines without polarity concerns. Its glass-passivated junction ensures stable breakdown behavior and low leakage (≤5 µA @ VRWM) over temperature (-55°C to +150°C).
The device uses a 10/1000 µs double-exponential pulse waveform per REA standard, delivering 1,500W peak pulse power with derating above +25°C ambient - maintaining ≥75% of rated PPK up to +75°C and supporting steady-state dissipation of 5.0W at TL = +75°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 1500W - sustains single high-energy transients like ISO7637-2 Pulse 1 (-100V) without failure |
| Reverse Standoff Voltage | 24.0V - defines maximum continuous operating voltage before clamping initiates |
| Max Clamping Voltage | 38.9V @ IPP = 38.6A - limits downstream voltage stress during worst-case surge |
| Breakdown Voltage | 26.7–29.5V @ IT = 1.0mA - ensures reliable turn-on margin above VRWM |
| Leakage Current | ≤5.0µA @ 24V - minimizes standby power loss in always-on automotive modules |
| Operating Temperature | -55°C to +150°C - supports engine compartment placement per AEC-Q101 requirements |
| Package | SMC (DO-214AB) - surface-mount footprint compatible with automated PCB assembly and thermal relief pads |
Pinout & Package
SMCJ24CAQ-13-F uses the SMC (DO-214AB) plastic-molded package with cathode band marking omitted due to bidirectional construction. The device has two terminals: anode and cathode, electrically symmetrical and interchangeable in circuit layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during positive transient | Connects to protected line; forms one side of symmetrical clamping path |
| Cathode | Current entry point during negative transient | Connects to protected line; forms other side of symmetrical clamping path |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC or floating DC lines without polarity constraints |
| AEC-Q101 qualification | Validated reliability for automotive under-hood applications including temperature cycling and HAST |
| 1,500W peak pulse rating | Meets ISO7637-2 Pulse 1 (-100V), Pulse 2a (+50V), Pulse 3a (-150V), and Pulse 3b (+100V) |
| Glass-passivated die | Ensures consistent VBR tolerance (±5%), low leakage, and long-term stability under thermal stress |
| RoHS & Halogen-Free | Complies with EU RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900ppm Br/Cl, <1000ppm Sb) |
Applications
| Automotive Infotainment Power Rail | Body Control Module (BCM) CAN Bus Interface |
|---|---|
|
Use Scenario: Protects 12V supply input to head unit MCU and display driver ICs from load dump and alternator ripple. IC Role / Device Role: Primary overvoltage clamp on main power input, placed upstream of DC-DC converters. Use Value: Limits transient voltage to ≤38.9V, preventing latch-up or gate oxide damage in 3.3V/5V logic downstream. |
Use Scenario: Shields isolated CAN transceiver power and signal pins from coupled surges on vehicle chassis ground. IC Role / Device Role: Bidirectional TVS across VCC-GND and CANH-CANL differential pairs. Use Value: Symmetric clamping maintains common-mode noise immunity while meeting ISO10605 ±30kV ESD compliance. |
| Electric Power Steering (EPS) Motor Driver | ADAS Camera Module Power Input |
|
Use Scenario: Guards gate driver IC supply rails against inductive kickback from H-bridge MOSFET switching. IC Role / Device Role: Secondary clamping stage after bulk capacitance, absorbing residual energy not filtered by LC network. Use Value: Fast response (<1 ns) captures sub-microsecond spikes that bypass passive filtering, preserving driver IC lifetime. |
Use Scenario: Secures 5V/3.3V camera sensor and ISP power inputs against ignition-induced transients in pillar-mounted modules. IC Role / Device Role: Final-stage TVS before LDO regulator input, ensuring clean bias for image sensor analog front-end. Use Value: Low leakage (≤5 µA) avoids degrading LDO regulation accuracy in always-on vision systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional automotive TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC24-01A-HF | Same VRWM (24V), lower PPK (600W), smaller SMA package (lower thermal mass) | Limited to lower-energy transients (ISO7637-2 Pulse 3 only); unsuitable for Pulse 1/2a | Select when space-constrained and surge severity is limited to Class III loads |
| TPSMA6.8CA-Q | Lower VRWM (6.8V), same PPK (1500W), AEC-Q101 qualified, same SMC package | Designed for 5V/3.3V logic rails, not 12V power lines - mismatched clamping threshold | Use only for low-voltage signal-level protection; not a functional substitute for 24V system rail protection |
Compared with SAC24-01A-HF and TPSMA6.8CA-Q, SMCJ24CAQ-13-F uniquely delivers full ISO7637-2 Pulse 1/2a/3a/3b compliance at 24V standoff in the thermally robust SMC package, making it the only drop-in solution for 12V automotive power rail protection requiring 1,500W surge handling.
Availability
SMCJ24CAQ-13-F is available at Aetrix Electronics and suitable for automotive infotainment systems, body control modules, and ADAS camera power supplies requiring stable component supply, AEC-Q101 traceability, and IATF 16949-sourced production.
Supply support for SMCJ24CAQ-13-F 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal solutions, with design, manufacturing, and test facilities certified to IATF 16949 and AEC-Q101 standards.
The SMCJ series is part of Diodes' automotive-grade TVS portfolio, engineered specifically for ISO7637-2 and ISO10605 compliance in harsh-temperature vehicle environments, emphasizing reliability, low clamping ratio, and process-controlled consistency.
FAQ
What does the 'C' in SMCJ24CAQ-13-F signify?
The 'C' suffix denotes bidirectional configuration, meaning the device clamps symmetrically for both positive and negative transients - essential for protecting floating or AC-coupled lines like CAN bus or sensor interfaces without polarity sensitivity.
Is SMCJ24CAQ-13-F suitable for 24V commercial vehicle systems?
Yes - its 24V VRWM and 38.9V clamping voltage align with 24V nominal battery systems; it meets ISO7637-2 Pulse 1 (-100V), Pulse 2a (+50V), and Pulse 3a (-150V), covering heavy-duty truck and bus electrical environments.
How does SMCJ24CAQ-13-F differ from unidirectional SMCJ24AQ-13-F?
SMCJ24CAQ-13-F provides symmetrical clamping for both voltage polarities, while SMCJ24AQ-13-F clamps only in reverse bias and conducts forward current like a rectifier - making the 'C' version mandatory for AC or bidirectional surge paths.
What is the thermal resistance (RθJL) of SMCJ24CAQ-13-F in SMC package?
Per Diodes' DS40741 Rev. 8, RθJL is 15°C/W from junction to lead - verified via JEDEC JESD51-2 test conditions - enabling 5.0W steady-state dissipation at TL = +75°C, critical for sustained surge duty cycles in engine bay mounting.
SMCJ24CAQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 24V
- Voltage - Breakdown (Min):
- 26.7V
- Voltage - Clamping (Max) @ Ipp:
- 38.9V
- Current - Peak Pulse (10/1000µs):
- 38.6A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
SMCJ24CAQ-13-F FAQ
1.How can I place an order for SMCJ24CAQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ24CAQ-13-F 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 SMCJ24CAQ-13-F reliable?
The price and inventory of SMCJ24CAQ-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ24CAQ-13-F is usually 5 days.
3.What payment methods are accepted for SMCJ24CAQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ24CAQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ24CAQ-13-F?
SMCJ24CAQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ24CAQ-13-F 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 SMCJ24CAQ-13-F?
For technical support, including SMCJ24CAQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ24CAQ-13-F requirements.
6.How does Aetrix verify that SMCJ24CAQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMCJ24CAQ-13-F 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 SMCJ24CAQ-13-F meets industry standards.
7.What is the process for return or replacement of SMCJ24CAQ-13-F?
All SMCJ24CAQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ24CAQ-13-F, 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 SMCJ24CAQ-13-F part is unused and in its original packaging.
Return procedure for SMCJ24CAQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ24CAQ-13-F Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
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…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
