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onsemi 1N4753A_T50R
- Part No.:
- 1N4753A_T50R
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
1N4753A_T50R.pdf
- Description:
- DIODE ZENER 36V 1W DO41
- Quantity:
- Payment:
- Shipping:
Inventory:2,099
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Product details
Overview
1N4753A_T50R from ON Semiconductor is a 36 V, ±5% tolerance Zener diode in DO-41 glass package, rated for 1.0 W power dissipation at TL ≤ 50°C with 6.67 mW/°C derating above that temperature, operating from –65°C to +200°C, and used for precision voltage regulation in power supply feedback loops and overvoltage protection circuits.
For engineers reviewing the 1N4753A_T50R datasheet, pinout, applications, or equivalent options, key selection criteria include its nominal Zener voltage of 36 V at 11.5 mA test current, 7 Ω dynamic impedance at IZ, 0.25 μA leakage current at 27.4 V, and non-repetitive peak reverse surge capability of 125 mA.
Technical Context
This device operates as a two-terminal voltage reference, maintaining stable reverse breakdown across its specified current range (IZ = 11.5 mA). Its Zener voltage is characterized at thermal equilibrium with 3/8″ lead length and TL = 30°C ± 1°C, ensuring repeatable regulation under defined thermal conditions.
The 1N4753A_T50R exhibits low dynamic impedance (7 Ω at IZ) and tight 5% tolerance, enabling accurate clamping in analog control paths and feedback networks. It supports non-repetitive reverse surge up to 125 mA for 8.3 ms, making it suitable for transient suppression in DC rails where sustained power dissipation remains within 1.0 W limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 36 V nominal at 11.5 mA - defines precise clamping level for feedback or protection |
| Tolerance | ±5% - ensures predictable regulation window without post-selection trimming |
| Power Dissipation (PD) | 1.0 W @ TL ≤ 50°C - sets maximum continuous DC power handling in standard leaded mounting |
| Zener Impedance (ZZ) | 7 Ω @ IZ - indicates low AC impedance for stable regulation under varying load current |
| Leakage Current (IR) | 0.25 μA @ VR = 27.4 V - confirms minimal off-state conduction below breakdown threshold |
| Operating Temperature | –65°C to +200°C - supports deployment in automotive under-hood and industrial high-temp environments |
| Surge Current (IZSM) | 125 mA (8.3 ms) - enables brief overvoltage absorption without failure |
Pinout & Package
DO-41 glass axial package with cathode indicated by a single color band on the body. Leads are tinned copper-clad steel, 3/8″ length specified for thermal rating compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Reverse bias reference return | Connected to lower-potential node in Zener regulator configuration; carries full load current during regulation |
| Cathode | Zener breakdown terminal / Voltage reference output | Connected to regulated node; voltage at this terminal is clamped to 36 V ±5% when reverse biased above VZ |
Key Features
| Feature | Design Value |
|---|---|
| Stable Zener voltage at 36 V | Enables direct replacement of legacy 36 V references without circuit recalibration |
| Low dynamic impedance (7 Ω) | Maintains tight output voltage under load transients in feedback loops |
| 5% voltage tolerance | Reduces need for binning or external trimming in cost-sensitive power supplies |
| High surge capability (125 mA) | Withstands common line transients without degradation in industrial 24 V systems |
| Wide temperature range (–65°C to +200°C) | Supports operation in engine control units and downhole instrumentation without derating |
Applications
| Switch-Mode Power Supply Feedback | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Regulating output voltage in isolated flyback converters via optocoupler-coupled feedback path. IC Role / Device Role / Timing Role: Zener reference providing stable 36 V threshold to drive optocoupler LED in secondary-side regulation loop. Use Value: Tight 5% tolerance and low 7 Ω impedance ensure <±1% output voltage accuracy across line/load/temperature. | Use Scenario: Clamping 24 V rail against ESD or inductive kickback in PLC I/O modules. IC Role / Device Role / Timing Role: Two-terminal shunt protector absorbing transient energy before downstream ICs reach absolute max ratings. Use Value: 125 mA non-repetitive surge rating handles 8.3 ms transients per IEC 61000-4-5 Level 3 without degradation. |
| Industrial Sensor Excitation Reference | Automotive Body Control Module Voltage Monitor |
Use Scenario: Providing stable excitation voltage to resistive bridge sensors in process control transmitters. IC Role / Device Role / Timing Role: Precision voltage reference sourcing constant current through Wheatstone bridge arms. Use Value: –65°C to +200°C operating range ensures calibration stability across ambient extremes in field instruments. | Use Scenario: Monitoring battery voltage in BCM microcontroller supply rail for undervoltage lockout. IC Role / Device Role / Timing Role: Zener-based comparator input reference detecting drop below 34.2 V (VZ min) to trigger safe shutdown. Use Value: Guaranteed 34.2–37.8 V Zener window allows deterministic trip point design without margining overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4753A (no suffix) | Same electrical specs and DO-41 package; T50R denotes tape-and-reel packaging per EIA-481-D standard | No functional difference; identical use in PCB assembly and manual prototyping | Select 1N4753A_T50R for automated SMT placement; choose bulk 1N4753A for hand-soldered evaluation |
| BZX55-C36 | 36 V ±5%, DO-35 package, 500 mW rating, higher ZZ (15 Ω), lower IZSM (50 mA) | Limited to lower-power applications; unsuitable for >0.5 W continuous dissipation or high-surge environments | Use BZX55-C36 only where board space is constrained and power/thermal demands are reduced |
Compared with 1N4753A_T50R, the base 1N4753A offers identical performance in different packaging, while BZX55-C36 trades power handling and surge robustness for smaller footprint-making the 1N4753A_T50R optimal for industrial 1 W regulation and transient suppression.
Availability
1N4753A_T50R is available at Aetrix Electronics and suitable for switch-mode power supplies, industrial sensor interfaces, and automotive body control modules requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for 1N4753A_T50R 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 is a global semiconductor manufacturer specializing in power management, analog, sensor, and discrete devices for automotive, industrial, and cloud power applications.
The 1N47xxA series was designed specifically for general-purpose, high-reliability Zener regulation in cost-sensitive, thermally demanding DC power systems-emphasizing stable voltage reference, surge resilience, and wide-temperature operation.
FAQ
What is the Zener voltage tolerance for 1N4753A_T50R?
The 1N4753A_T50R has a guaranteed Zener voltage tolerance of ±5% around its nominal 36 V rating, meaning the actual measured VZ falls between 34.2 V and 37.8 V at 11.5 mA test current and thermal equilibrium conditions. This tolerance is confirmed in the ON Semiconductor 1N4728A–1N4758A datasheet Rev. 8, and applies directly to the 1N4753A_T50R as a tape-and-reel variant of the base 1N4753A device.
Does 1N4753A_T50R meet automotive AEC-Q200 requirements?
No, the 1N4753A_T50R is not AEC-Q200 qualified. While it operates from –65°C to +200°C and is widely used in automotive under-hood applications, ON Semiconductor does not list AEC-Q200 qualification for the 1N47xxA family in any official documentation. For AEC-Q200-compliant Zener diodes, engineers should consider ON Semiconductor's NSZ series or other qualified alternatives-not the 1N4753A_T50R.
What is the maximum continuous power dissipation for 1N4753A_T50R at 75°C ambient?
At 75°C ambient, the 1N4753A_T50R must be derated from its 1.0 W rating at ≤50°C by 6.67 mW/°C for each degree above 50°C. That yields a reduction of 25°C × 6.67 mW = 166.75 mW, resulting in a maximum continuous power dissipation of 833 mW. This assumes standard 3/8″ lead length and free-air conditions as defined in the ON Semiconductor datasheet.
Can 1N4753A_T50R replace 1N4752A in an existing design?
No, 1N4753A_T50R is not a direct replacement for 1N4752A. The 1N4752A has a nominal Zener voltage of 33 V (min 31.35 V, max 34.65 V), whereas the 1N4753A_T50R is rated at 36 V (min 34.2 V, max 37.8 V). Substituting them would shift regulation points by ~3 V, potentially causing overvoltage or undervoltage faults in feedback or protection circuits relying on precise clamping thresholds.
What does the "T50R" suffix mean in 1N4753A_T50R?
The "T50R" suffix in 1N4753A_T50R indicates tape-and-reel packaging compliant with EIA-481-D standards: "T" = tape, "50" = 50 mm tape width, "R" = reel. This format supports automated pick-and-place assembly and differs only in packaging from the bulk or ammo-pack versions of the same 1N4753A die and electrical specifications-no parameter or performance change is introduced by the T50R suffix.
1N4753A_T50R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 36 V
- Tolerance:
- ±5%
- Power - Max:
- 1 W
- Impedance (Max) (Zzt):
- 50 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 27.4 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
1N4753A_T50R FAQ
1.How can I place an order for 1N4753A_T50R through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4753A_T50R 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 1N4753A_T50R reliable?
The price and inventory of 1N4753A_T50R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4753A_T50R is usually 5 days.
3.What payment methods are accepted for 1N4753A_T50R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4753A_T50R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4753A_T50R?
1N4753A_T50R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4753A_T50R 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 1N4753A_T50R?
For technical support, including 1N4753A_T50R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4753A_T50R requirements.
6.How does Aetrix verify that 1N4753A_T50R is sourced from the original manufacturer or authorized distributors?
All 1N4753A_T50R 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 1N4753A_T50R meets industry standards.
7.What is the process for return or replacement of 1N4753A_T50R?
All 1N4753A_T50R units undergo pre-shipment inspection (PSI). If there is an issue with 1N4753A_T50R, 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 1N4753A_T50R part is unused and in its original packaging.
Return procedure for 1N4753A_T50R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4753A_T50R Tags
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