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onsemi 1N6379G
- Part No.:
- 1N6379G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
1N6379G.pdf
- Description:
- TVS DIODE 22VWM 37.5VC AXIAL
- Quantity:
- Payment:
- Shipping:
Inventory:4,503
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Product details
Overview
1N6379G from ON Semiconductor is a unidirectional 1500 W peak power Mosorb transient voltage suppressor (TVS) diode with a 24 V working peak reverse voltage (VRWM), 30 A peak pulse current (IPP), 38.9 V clamping voltage (VC) at IPP, and sub-1 ns response time. It protects sensitive CMOS/MOS/Bipolar ICs in power supplies and industrial control systems against ESD (>16 kV HBM) and lightning-induced surges.
For engineers reviewing the 1N6379G datasheet, pinout, applications, or equivalent options, key selection criteria include VRWM ≥ system DC bus voltage, VC margin below IC absolute maximum rating, low zener impedance for effective clamping, and axial leaded Surmetic package compatibility with through-hole PCB layouts.
Technical Context
The 1N6379G operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its 27.4–30.3 V breakdown range (VBR @ IT = 1 A). Its clamping action limits transient energy to ≤38.9 V at 30 A, enabling robust protection of 24 V rail interfaces without sacrificing signal integrity.
Designed for non-repetitive 1 ms pulses per Figure 5, it delivers 1500 W peak power dissipation at TL ≤ 25°C, with thermal resistance (RJL) of 20 °C/W and steady-state power derating to 5.0 W at TL = 75°C. Its <5 µA leakage above 10 V ensures minimal standby power loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 24 V - Maximum continuous reverse operating voltage; must match or exceed protected circuit's DC/peak voltage. |
| VBR @ IT = 1 A | 27.4–30.3 V - Breakdown threshold range; defines precise turn-on point for transient suppression. |
| VC @ IPP = 30 A | 38.9 V - Clamped voltage during surge; must stay below protected IC's absolute maximum rating. |
| IPP | 30 A - Peak pulse current capability; determines survivability under IEC 61000-4-5 Level 4 surges. |
| Response Time | <1 ns - Enables suppression before transient energy couples into downstream circuitry. |
| Leakage Current | <5 µA @ VRWM - Ensures negligible quiescent power draw in always-on protection circuits. |
| ESD Rating | Class 3 (>16 kV HBM) - Meets stringent electrostatic discharge immunity requirements for end-equipment certification. |
Pinout & Package
Package: Axial leaded Surmetic plastic case (Case 41A), Pb-free, cathode indicated by polarity band. Dimensions: A = 8.5–9.5 mm (length), B = 4.8–5.3 mm (diameter), D = 0.96–1.06 mm (lead diameter).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or lower-potential node in unidirectional TVS configuration. |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 24 V supply rail); polarity band identifies this terminal. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Supports high-energy surge events (e.g., IEC 61000-4-5 4 kV/2 Ω) without failure. |
| Low zener impedance | Ensures stable clamping voltage across varying surge currents and temperatures. |
| Fast response time <1 ns | Minimizes voltage overshoot before clamping engages, critical for protecting fast logic ICs. |
| Pb-free Surmetic axial package | Enables RoHS-compliant through-hole assembly with industry-standard soldering profiles (260°C, 10 s). |
| ESD Class 3 rating | Validates suitability for environments requiring >16 kV human-body-model ESD immunity. |
Applications
| Industrial Power Supply Protection | PLC Digital I/O Protection |
|---|---|
Use Scenario: 24 V DC input stage of DIN-rail mounted AC/DC power supply exposed to load dump and switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed across input terminals to clamp surges before they reach rectifier and controller ICs. Use Value: 38.9 V clamping voltage ensures MOSFET gate drivers and PWM controllers remain within safe operating area during 1500 W transients. | Use Scenario: 24 V digital input channel on programmable logic controller subjected to field wiring ESD and inductive kickback. IC Role / Device Role / Timing Role: Primary overvoltage protection device shunting transients directly at connector entry point. Use Value: Sub-1 ns response prevents latch-up in optocoupler input stages and preserves signal integrity during repetitive 30 A surges. |
| Medical Equipment Power Rails | Automotive Test Equipment Interfaces |
Use Scenario: Auxiliary 24 V bias rail in diagnostic imaging subsystem where reliability and low leakage are critical. IC Role / Device Role / Timing Role: Standby protection element maintaining <5 µA leakage while providing fail-safe clamping on demand. Use Value: Low leakage avoids drift in precision analog front-ends; 1500 W rating supports EN 61000-4-4 compliance testing margins. | Use Scenario: 24 V communication interface (e.g., CAN transceiver power pin) in vehicle ECU test bench exposed to battery disconnect spikes. IC Role / Device Role / Timing Role: Secondary surge limiter backing up primary protection, placed adjacent to connector. Use Value: Axial package allows direct mounting near I/O connectors; 20 °C/W thermal resistance enables reliable heat dissipation during burst-mode testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A | Surface-mount SMB package (vs. axial); same VRWM (24 V), slightly higher VC (38.9 V → 39.4 V), lower PPK (600 W vs. 1500 W) | Requires PCB redesign for SMT placement; unsuitable for high-energy surge environments exceeding 600 W | Select only if space-constrained layout and surge severity is limited to IEC 61000-4-2/4-4 Level 2 |
| 1N6378G | Same axial package and family; lower VRWM (22 V), lower VBR (25.1–27.7 V), lower VC (35.5 V at 28.3 A) | Better suited for 22 V nominal rails; tighter clamping margin but reduced surge headroom | Choose when protecting 22 V systems where VC margin below 35.5 V is required and 1500 W capability remains essential |
Compared with SMBJ24A and 1N6378G, the 1N6379G uniquely balances 24 V system compatibility, 1500 W surge capacity, and axial through-hole manufacturability-making it optimal for industrial power supplies and PLCs where mechanical robustness and high-energy immunity are mandatory.
Availability
1N6379G is available at Aetrix Electronics and suitable for industrial power supplies, programmable logic controllers (PLCs), medical equipment power rails, and automotive test equipment interfaces requiring stable component supply and long-term obsolescence management.
Supply support for 1N6379G 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
ON Semiconductor (now onsemi) is a global semiconductor supplier specializing in power management, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and IoT applications.
The 1N6373–1N6381 series was engineered specifically for high-reliability transient suppression in harsh industrial environments, emphasizing robust axial packaging, high surge tolerance, and consistent clamping performance across temperature.
FAQ
What is the breakdown voltage range of the 1N6379G?
The 1N6379G has a specified breakdown voltage (VBR) range of 27.4 V to 30.3 V at a test current (IT) of 1 A, measured at 25°C ambient. This range ensures predictable turn-on behavior across manufacturing lots and provides design margin for selecting appropriate VRWM in 24 V systems. The 1N6379G's tight VBR distribution supports consistent clamping performance in mission-critical protection circuits.
Can the 1N6379G be used in bidirectional protection configurations?
No, the 1N6379G is a unidirectional TVS diode and must not be used for bidirectional surge suppression. Its internal structure is optimized for reverse-bias clamping only; forward conduction is limited to 3.5 V at 100 A. For AC or dual-polarity lines, a dedicated bidirectional device such as the 1N6379C or paired unidirectional units are required. Using the 1N6379G in bidirectional mode risks incomplete protection and potential device failure.
What is the maximum allowable lead temperature during soldering for the 1N6379G?
The 1N6379G supports a maximum lead temperature of 260°C at a distance of 1/16″ (1.6 mm) from the case for up to 10 seconds, per ON Semiconductor's recommended soldering profile. This specification applies to both wave and hand-soldering processes. Exceeding this limit risks internal bond wire damage or package delamination, compromising the 1N6379G's surge endurance and long-term reliability.
How does the 1N6379G's clamping voltage compare to its working peak reverse voltage?
The 1N6379G has a working peak reverse voltage (VRWM) of 24 V and a clamping voltage (VC) of 38.9 V at 30 A peak pulse current. This 14.9 V differential provides critical design margin-ensuring that during a surge, the 1N6379G clamps well below typical 40 V absolute maximum ratings of 24 V-rated ICs while remaining above normal operating voltage to avoid false triggering. This ratio is validated per Figure 5 pulse waveform conditions.
Is the 1N6379G compliant with RoHS and REACH regulations?
Yes, the "G" suffix in 1N6379G explicitly denotes a Pb-free (RoHS-compliant) Surmetic axial package, confirmed in ON Semiconductor's ordering information and Pb-Free strategy documentation. The device meets EU RoHS Directive 2011/65/EU and REACH SVHC requirements. Full compliance documentation, including material declarations and test reports, is available via onsemi.com for the 1N6379G and the full 1N6373–1N6381 series.
1N6379G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- DO-201AD, Axial
- Series:
- Mosorb™
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 22V
- Voltage - Breakdown (Min):
- 25.9V
- Voltage - Clamping (Max) @ Ipp:
- 37.5V
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
1N6379G FAQ
1.How can I place an order for 1N6379G through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N6379G 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 1N6379G reliable?
The price and inventory of 1N6379G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N6379G is usually 5 days.
3.What payment methods are accepted for 1N6379G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N6379G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N6379G?
1N6379G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N6379G 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 1N6379G?
For technical support, including 1N6379G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N6379G requirements.
6.How does Aetrix verify that 1N6379G is sourced from the original manufacturer or authorized distributors?
All 1N6379G 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 1N6379G meets industry standards.
7.What is the process for return or replacement of 1N6379G?
All 1N6379G units undergo pre-shipment inspection (PSI). If there is an issue with 1N6379G, 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 1N6379G part is unused and in its original packaging.
Return procedure for 1N6379G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N6379G 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
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