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onsemi 1N5352BRLG
- Part No.:
- 1N5352BRLG
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- T-18, Axial
- Datasheet:
-
1N5352BRLG.pdf
- Description:
- DIODE ZENER 15V 5W AXIAL
- Quantity:
- Payment:
- Shipping:
Inventory:14,464
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Product details
Overview
1N5352BRLG from onsemi is a 5 W axial-lead Zener diode with nominal zener voltage of 15 V (±5%), maximum zener impedance of 75 Ω at 2.5 mA test current, 315 mA maximum DC zener current, and 180 W non-repetitive surge rating at 8.3 ms. It serves as a precision voltage reference or shunt regulator in power supply feedback loops, overvoltage protection circuits, and analog signal conditioning.
For engineers reviewing the 1N5352BRLG datasheet, pinout, applications, or equivalent options, key selection criteria include its ±5% tolerance, Pb-free Surmetic 40 plastic package, 11.5 V regulation knee voltage, 0.25 mA leakage at 12.2 V, and thermal resistance of 25 °C/W junction-to-lead.
Technical Context
This device operates as a silicon-oxide passivated junction Zener diode optimized for stable DC voltage regulation under steady-state and transient conditions. Its design supports operation from −65 °C to +200 °C, with derating above 25 °C at 40 mW/°C and a maximum junction temperature of 150 °C for continuous DC use.
The 1N5352BRLG exhibits a positive temperature coefficient above 5 V, with typical TC of +6.3 mV/°C near its 15 V nominal zener point. Its low 75 Ω dynamic impedance at IZT = 2.5 mA ensures tight regulation across load variations in feedback networks and reference circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 14.25–15.75 V (±5% tolerance; defines regulated output voltage in shunt configuration) |
| Power Dissipation (PD) | 5 W @ TL = 25 °C (maximum steady-state power handling before thermal derating) |
| Zener Impedance (ZZT) | 75 Ω @ IZT = 2.5 mA (low dynamic resistance enables stable regulation under varying load) |
| Max DC Zener Current (IZM) | 315 mA (calculated as 5 W / 15.75 V; sets upper limit for continuous shunt current) |
| Leakage Current (IR) | 0.25 mA @ VR = 12.2 V (ensures minimal error current in high-impedance reference nodes) |
| Surge Rating | 180 W @ 8.3 ms (supports transient overvoltage clamping without failure) |
| Junction-to-Lead RθJL | 25 °C/W (enables thermal modeling when leads are used as heatsinks) |
Pinout & Package
Package: Axial-lead Surmetic 40 plastic case (Case 017AA), void-free transfer-molded thermosetting material, cathode indicated by band, RoHS-compliant Pb-free construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to lower-potential side in shunt regulator; forms reference ground return path |
| Cathode | Zener breakdown terminal / regulated output node | Connected to voltage rail being regulated; supplies stable 15 V reference to feedback or protection circuitry |
Key Features
| Feature | Design Value |
|---|---|
| ESD robustness | Class 3 (>16 kV HBM) enables safe handling in automated assembly without external protection |
| Tight voltage tolerance | ±5% ensures predictable regulation without post-manufacture trimming in cost-sensitive designs |
| Silicon-oxide passivation | Enhances long-term stability and reduces parameter drift under thermal cycling and humidity stress |
| Surge withstand | 180 W @ 8.3 ms allows direct integration into input-stage transient suppression without series limiting resistors |
| Pb-free compliance | G-suffix confirms RoHS-compliant materials and soldering compatibility up to 260 °C for 10 s |
Applications
| Switch-Mode Power Supply Feedback | Industrial Sensor Reference |
|---|---|
Use Scenario: Used in optocoupler-coupled feedback loop of isolated DC-DC converters to regulate output voltage. IC Role / Device Role / Timing Role: Shunt regulator providing precise 15 V reference to TL431 or similar error amplifier. Use Value: Low 75 Ω ZZT minimizes regulation error across line/load transients, improving output accuracy to ±1.5%. | Use Scenario: Provides stable bias voltage for bridge-based pressure or temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: Precision voltage reference source for ratiometric ADC excitation and sensor signal conditioning. Use Value: ±5% VZ tolerance and <0.25 mA leakage ensure consistent sensor gain calibration across operating temperature range. |
| Overvoltage Clamp Protection | Programmable Threshold Detector |
Use Scenario: Placed across microcontroller I/O pins or communication lines to clamp ESD or inductive spikes. IC Role / Device Role / Timing Role: Transient voltage suppressor limiting voltage to 15.75 V peak during fast-rising surges. Use Value: 180 W surge rating at 8.3 ms absorbs MIL-STD-461 CS115 pulses without degradation or latch-up. | Use Scenario: Configured with comparator to trigger fault response when supply exceeds 15 V threshold. IC Role / Device Role / Timing Role: Stable reference node defining trip point for undervoltage/overvoltage monitoring circuits. Use Value: 6.3 mV/°C tempco enables predictable threshold shift over −40 to +85 °C ambient, simplifying compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5352B | Same electrical specs but Pb-containing package; no G-suffix | Not suitable for RoHS-compliant production; requires lead-free process validation | Select only if legacy Pb-based assembly is mandated and traceability allows |
| MMSZ5245B | Surface-mount SOD-123 package; 15 V ±5%; 500 mW rating; ZZT = 17 Ω @ 20 mA | Lower power, smaller footprint; unsuitable for 5 W dissipation or axial board mounting | Choose for space-constrained PCBs where thermal mass and power demand are lower |
Compared with 1N5352BRLG, the 1N5352B lacks Pb-free compliance and requires different soldering profile validation, while MMSZ5245B trades 5 W capability and axial mechanical robustness for miniaturization and higher impedance performance at higher test current - making it appropriate only for low-power reference roles.
Availability
1N5352BRLG is available at Aetrix Electronics and suitable for industrial power supplies, sensor interface modules, and overvoltage protection circuits requiring stable component supply, full RoHS compliance, and proven surge resilience.
Supply support for 1N5352BRLG 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The 1N53 Series belongs to onsemi's discrete Zener regulator product line, engineered for high-reliability voltage reference and shunt regulation in harsh environments where thermal stability, surge immunity, and long-term parametric consistency are critical.
FAQ
What is the nominal zener voltage and tolerance of the 1N5352BRLG?
The 1N5352BRLG has a nominal zener voltage of 15 V with a guaranteed tolerance of ±5%, corresponding to a minimum of 14.25 V and maximum of 15.75 V at IZT = 2.5 mA. This tolerance is defined per JEDEC standards and applies specifically to the B-suffix variant. The 1N5352BRLG maintains this specification across its rated operating temperature range and is validated using 40 ±10 ms test pulses.
How does the 1N5352BRLG handle thermal derating above 25°C?
The 1N5352BRLG derates linearly at 40 mW/°C above 25°C ambient lead temperature (TL). At 75°C TL, its maximum allowable power drops to 3 W. This derating is based on its 25 °C/W junction-to-lead thermal resistance and must be applied when calculating safe operating area in real-world layouts. The 1N5352BRLG's maximum junction temperature remains 150°C for DC operation, though pulsed conditions may allow brief excursions to 200°C.
What is the surge current capability of the 1N5352BRLG and how is it measured?
The 1N5352BRLG supports a peak non-repetitive surge current of 180 W at 8.3 ms pulse width, derived from its 180 W surge rating. This corresponds to approximately 12.9 A at 14 V (using VZ ≈ 14 V). Measurement follows Figure 5 in the datasheet, using square-wave pulses with specified mounting contact location (3/8″ to 1/2″ from diode body). The 1N5352BRLG's surge capability is validated under single-pulse conditions and is not rated for repetitive surges.
Can the 1N5352BRLG be used in surface-mount designs?
No, the 1N5352BRLG is an axial-lead device in the Surmetic 40 plastic package (Case 017AA) and is not compatible with surface-mount assembly processes. Its leaded construction requires through-hole mounting and manual or wave soldering. For SMT alternatives, consider the MMSZ5245B (15 V, SOD-123) or NZ9F15V (15 V, SOD-323), both of which have different power ratings and impedance characteristics than the 1N5352BRLG.
What is the meaning of the 'G' suffix in 1N5352BRLG?
The 'G' suffix in 1N5352BRLG indicates a Pb-free (RoHS-compliant) package per onsemi's packaging nomenclature. It confirms that the device uses lead-free terminations and molding compound, qualified for reflow soldering up to 260°C for 10 seconds at 1/16 inch from the case. This designation is distinct from the 'RL' tape-and-reel shipping format and applies specifically to material composition - a key requirement for the 1N5352BRLG in regulated markets.
1N5352BRLG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- T-18, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 15 V
- Tolerance:
- ±5%
- Power - Max:
- 5 W
- Impedance (Max) (Zzt):
- 2.5 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 11.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Operating Temperature:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- Axial
1N5352BRLG FAQ
1.How can I place an order for 1N5352BRLG through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N5352BRLG 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 1N5352BRLG reliable?
The price and inventory of 1N5352BRLG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5352BRLG is usually 5 days.
3.What payment methods are accepted for 1N5352BRLG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N5352BRLG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N5352BRLG?
1N5352BRLG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N5352BRLG 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 1N5352BRLG?
For technical support, including 1N5352BRLG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5352BRLG requirements.
6.How does Aetrix verify that 1N5352BRLG is sourced from the original manufacturer or authorized distributors?
All 1N5352BRLG 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 1N5352BRLG meets industry standards.
7.What is the process for return or replacement of 1N5352BRLG?
All 1N5352BRLG units undergo pre-shipment inspection (PSI). If there is an issue with 1N5352BRLG, 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 1N5352BRLG part is unused and in its original packaging.
Return procedure for 1N5352BRLG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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