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onsemi MMSZ4715T1
- Part No.:
- MMSZ4715T1
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
MMSZ4715T1.pdf
- Description:
- DIODE ZENER 36V 500MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:5,625
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Product details
Overview
MMSZ4715T1 from onsemi is a 36 V nominal Zener voltage regulator diode in SOD−123 package, rated for 500 mW power dissipation at TL = 75°C, with 50 µA test current (IZT), 0.01 µA leakage at 27.3 V reverse bias, and ±5% voltage tolerance. It serves as a precision voltage reference or overvoltage clamp in low-power analog sensor signal conditioning circuits.
For engineers reviewing the MMSZ4715T1 datasheet, pinout, applications, or equivalent options, key selection criteria include its 36 V Zener voltage, low 0.01 µA IR at VR = 27.3 V, thermal resistance of 340°C/W, SOD−123 footprint compatibility, and AEC−Q101 qualification status for automotive-grade designs.
Technical Context
This device operates as a two-terminal, silicon planar Zener diode optimized for stable reverse-bias regulation. Its junction temperature range spans −55°C to +150°C, and it exhibits a positive temperature coefficient above ~5 V, with typical TC near +3.5 mV/°C at 36 V.
The SOD−123 package enables automated placement and reflow soldering per JEDEC standards, with maximum soldering temperature of 260°C for 10 seconds. Its dynamic impedance (ZZT) is specified at 100 Ω max at IZ = 1 mA, supporting stable regulation under light load transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 34.2 V min / 36 V nom / 37.8 V max @ IZT = 50 µA - defines regulation band for precision reference use |
| Power Dissipation (PD) | 500 mW on FR−5 board @ TL = 75°C - sets maximum continuous DC power handling in standard PCB layout |
| Reverse Leakage (IR) | 0.01 µA @ VR = 27.3 V - ensures minimal error current in high-impedance reference nodes |
| Junction-to-Ambient RθJA | 340°C/W - determines thermal rise under load; requires derating above 75°C ambient |
| Package | SOD−123 (Case 425), 1.60 × 2.69 × 1.16 mm - surface-mount footprint compatible with 0805-class pick-and-place and reflow profiles |
| ESD Rating | Class 3 (>16 kV) HBM - supports robust handling in automated assembly without additional ESD protection |
Pinout & Package
SOD−123 package with cathode indicated by polarity band; 2-terminal configuration optimized for compact, high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Banded End) | Cathode | Connected to regulated output node; reverse-biased terminal during Zener operation |
| 2 (Non-banded End) | Anode | Connected to ground or lower-potential rail; completes current path during regulation |
Key Features
| Feature | Design Value |
|---|---|
| Low IZT test current | 50 µA enables regulation in ultra-low-power sensor bias networks without loading source |
| Pb−Free & RoHS compliant | Meets global environmental compliance requirements for industrial and automotive production |
| AEC−Q101 qualified | Validated for automotive applications including body electronics and infotainment power rails |
| High ESD immunity | Class 3 HBM (>16 kV) eliminates need for external ESD protection in exposed I/O paths |
Applications
| Industrial Sensor Reference | Automotive Body Control Module |
|---|---|
Use Scenario: Providing stable 36 V reference for RTD or thermocouple signal conditioning in factory automation PLCs. IC Role / Device Role / Timing Role: Voltage reference element in analog front-end bias network. Use Value: Tight ±5% VZ tolerance and low 0.01 µA IR minimize offset drift across −40°C to +85°C operating range. |
Use Scenario: Overvoltage clamp on 24 V battery-supplied microcontroller I/O lines in door module ECUs. IC Role / Device Role / Timing Role: Transient suppression and rail clamping diode. Use Value: AEC−Q101 qualification and 340°C/W thermal resistance ensure reliability during load-dump events. |
| Medical Portable Monitor Power Rail | IoT Edge Node Voltage Supervisor |
Use Scenario: Regulating auxiliary 36 V supply for op-amp bias in portable ECG amplifier stages. IC Role / Device Role / Timing Role: Precision Zener shunt regulator in low-noise analog supply chain. Use Value: 100 Ω max dynamic impedance at 1 mA maintains regulation stability under varying sensor load conditions. |
Use Scenario: Monitoring 36 V solar-charged battery voltage via MCU ADC input with internal reference scaling. IC Role / Device Role / Timing Role: Programmable threshold detector using Zener-based voltage divider. Use Value: SOD−123 footprint allows integration into space-constrained battery management PCBs without redesign. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C36LT1G | Same 36 V nominal Zener, but SOT−23 package (larger footprint, higher RθJA = 375°C/W) | Less suitable for ultra-high-density layouts; lower thermal performance limits power handling | Select when existing SOT−23 land pattern is fixed and thermal margin >10°C is available |
| MMSZ5245B−TP | 36 V Zener in SOD−123, but higher IZT = 20 mA and tighter ±5% tolerance; no AEC−Q101 rating | Lacks automotive qualification; higher test current increases quiescent power in always-on circuits | Prefer for cost-sensitive industrial designs where AEC−Q101 is not required and 20 mA bias is acceptable |
Compared with BZX84-C36LT1G and MMSZ5245B−TP, the MMSZ4715T1 offers superior thermal efficiency in SOD−123, AEC−Q101 compliance for automotive use, and ultra-low 50 µA test current-making it optimal for battery-powered, space-constrained, and automotive-qualified applications.
Availability
MMSZ4715T1 is available at Aetrix Electronics and suitable for industrial sensor reference, automotive body control modules, and IoT edge node voltage supervision requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for MMSZ4715T1 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MMSZ4xxxT1G series is designed specifically for surface-mount Zener regulation in space-constrained, high-reliability applications-emphasizing low leakage, tight voltage tolerance, and automotive-grade qualification.
FAQ
What is the nominal Zener voltage of the MMSZ4715T1?
The MMSZ4715T1 has a nominal Zener voltage of 36 V, with a guaranteed range of 34.2 V to 37.8 V at IZT = 50 µA and TA = 25°C. This value is confirmed in the Electrical Characteristics table on page 3 of the official onsemi datasheet. The MMSZ4715T1 achieves this regulation point with low temperature drift and tight manufacturing tolerance, making it suitable for precision reference applications.
Is the MMSZ4715T1 AEC−Q101 qualified?
No-the MMSZ4715T1 is not AEC−Q101 qualified. Only the SZ-prefix variants (e.g., SZMMSZ4715T1G) carry AEC−Q101 qualification and PPAP capability. The MMSZ4715T1 is intended for industrial and commercial applications. For automotive use, engineers must specify the SZMMSZ4715T1G variant to ensure compliance with automotive reliability standards.
What is the maximum power dissipation of the MMSZ4715T1 on FR−5 board?
The MMSZ4715T1 is rated for 500 mW total power dissipation on FR−5 board at TL = 75°C, with linear derating of 6.7 mW/°C above that temperature. This rating assumes the minimum recommended footprint per onsemi's design guidelines. Exceeding this limit risks thermal runaway or accelerated parametric shift, especially in enclosed or poorly ventilated assemblies containing the MMSZ4715T1.
Does the MMSZ4715T1 have RoHS and Pb−Free compliance?
Yes-the MMSZ4715T1 is Pb−Free and RoHS compliant, as explicitly stated in the "Features" section of the onsemi datasheet. The "G" suffix in the full part number MMSZ4715T1G denotes Pb−Free packaging; the MMSZ4715T1 is the same device and shares identical environmental compliance. This ensures compatibility with lead-free reflow processes and global regulatory requirements for the MMSZ4715T1.
What is the reverse leakage current specification for the MMSZ4715T1?
The MMSZ4715T1 specifies a maximum reverse leakage current (IR) of 0.01 µA at VR = 27.3 V and TA = 25°C. This ultra-low leakage supports high-impedance reference nodes and minimizes error in precision analog circuits. The value is measured under standardized conditions and is consistent across production lots of the MMSZ4715T1, as verified in the Electrical Characteristics table.
MMSZ4715T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 36 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 10 nA @ 27.3 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123
MMSZ4715T1 FAQ
1.How can I place an order for MMSZ4715T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMSZ4715T1 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 MMSZ4715T1 reliable?
The price and inventory of MMSZ4715T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMSZ4715T1 is usually 5 days.
3.What payment methods are accepted for MMSZ4715T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMSZ4715T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMSZ4715T1?
MMSZ4715T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMSZ4715T1 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 MMSZ4715T1?
For technical support, including MMSZ4715T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMSZ4715T1 requirements.
6.How does Aetrix verify that MMSZ4715T1 is sourced from the original manufacturer or authorized distributors?
All MMSZ4715T1 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 MMSZ4715T1 meets industry standards.
7.What is the process for return or replacement of MMSZ4715T1?
All MMSZ4715T1 units undergo pre-shipment inspection (PSI). If there is an issue with MMSZ4715T1, 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 MMSZ4715T1 part is unused and in its original packaging.
Return procedure for MMSZ4715T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMSZ4715T1 Tags
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