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onsemi 1N5236B_S00Z
- Part No.:
- 1N5236B_S00Z
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
1N5236B_S00Z.pdf
- Description:
- DIODE ZENER 7.5V 500MW DO35
- Quantity:
- Payment:
- Shipping:
Inventory:8,607
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Product details
Overview
1N5236B_S00Z from ON Semiconductor is a 7.5 V ±5% tolerance, 500 mW glass-encapsulated Zener diode in DO-35 package, designed for precision voltage regulation and reference applications in low-power analog circuits, power supply feedback loops, and overvoltage protection. It features 6.0 Ω dynamic impedance at 20 mA, 3.0 μA maximum reverse leakage at 5.7 V, and a temperature coefficient of +0.058 %/°C.
For engineers reviewing the 1N5236B_S00Z datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage accuracy, thermal stability in compact PCB layouts, low-leakage performance at sub-breakdown bias, and compatibility with manual or automated through-hole assembly processes using DO-35 footprint.
Technical Context
This device operates as a two-terminal silicon Zener diode, conducting in reverse breakdown to maintain stable voltage across its terminals when biased above VZ. Its DO-35 hermetically sealed glass package ensures long-term reliability under thermal cycling and humidity exposure, with junction temperature range from −65 °C to +200 °C.
The 1N5236B_S00Z exhibits a positive temperature coefficient (+0.058 %/°C), indicating increasing Zener voltage with rising temperature - a critical factor when used in temperature-sensitive references or compensated regulator designs. Its 6.0 Ω Zener impedance at IZ = 20 mA supports stable regulation under moderate load transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 7.5 V nominal, min 7.125 V / max 7.875 V at IZ = 20 mA - defines regulated output level in shunt regulator topologies |
| Power Dissipation (PD) | 500 mW at TA = 25 °C - sets maximum continuous power handling before thermal derating applies |
| Zener Impedance (ZZ) | 6.0 Ω at IZ = 20 mA - determines regulation stiffness and AC ripple rejection capability |
| Reverse Leakage (IR) | ≤3.0 μA at VR = 5.7 V - ensures minimal quiescent current in standby or high-impedance bias networks |
| Temperature Coefficient (TC) | +0.058 %/°C - quantifies VZ drift per degree Celsius, critical for ambient-stable references |
| Forward Voltage (VF) | ≤1.2 V at IF = 200 mA - enables use as low-drop rectifier or clamp in dual-polarity protection schemes |
| Tolerance | ±5% - specifies initial VZ variation across production lot, affecting calibration margin in precision circuits |
Pinout & Package
DO-35 glass axial package: hermetically sealed, 2.0 mm diameter body, 4.56 mm length, cathode indicated by color band. Leads are tinned copper-clad steel, suitable for wave soldering (lead temp ≤230 °C for 10 s).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / low-side connection in shunt regulation | Connected to circuit ground or lower potential node; carries forward current up to 200 mA |
| Cathode | Reverse breakdown terminal / regulated output node | Connected to voltage source via series resistor; maintains stable 7.5 V relative to anode during breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Precision Zener voltage | 7.5 V ±5% with tight binning - reduces need for post-calibration in voltage reference designs |
| Low dynamic impedance | 6.0 Ω at 20 mA - improves line and load regulation in feedback-sensing applications |
| Stable temperature coefficient | +0.058 %/°C - enables predictable drift compensation in industrial temperature ranges |
| Hermetic glass package | DO-35 per JEDEC DO-204AH - ensures moisture resistance and long-term parameter stability |
| Low reverse leakage | ≤3.0 μA at 5.7 V - minimizes error current in high-impedance bias networks and sensor interfaces |
Applications
| Power Supply Feedback | Overvoltage Clamp |
|---|---|
Use Scenario: Regulating output voltage in linear regulators or switching converter feedback paths using TL431 or op-amp comparators. IC Role / Device Role / Timing Role: Provides precise 7.5 V reference point for error amplifier input, enabling accurate output setpoint control. Use Value: Enables ±1% output regulation accuracy without trimming, leveraging its 5% VZ tolerance and low ZZ. |
Use Scenario: Protecting microcontroller I/O pins or ADC inputs from transient overvoltage events exceeding 5.5 V rail. IC Role / Device Role / Timing Role: Acts as bidirectional clamp: forward-conducts below 1.2 V, reverse-breaks at 7.5 V to shunt excess energy. Use Value: Limits peak voltage to 7.5 V while drawing <3 μA at 5.7 V - preserving signal integrity with negligible loading. |
| Voltage Reference | Current Source Bias |
Use Scenario: Generating stable bias for analog front-ends, sensor excitation, or DAC reference buffers in battery-powered instrumentation. IC Role / Device Role / Timing Role: Serves as low-drift, low-noise voltage reference node for precision op-amp circuits requiring <10 ppm/°C stability. Use Value: Delivers predictable +0.058 %/°C TC and 6 Ω ZZ, enabling first-order thermal compensation in portable measurement systems. |
Use Scenario: Setting constant current for LED drivers, phototransistor biasing, or oscillator timing resistors in discrete logic circuits. IC Role / Device Role / Timing Role: Functions as voltage-controlled current sink: series resistor converts 7.5 V reference into fixed IOUT = VZ/R. Use Value: Achieves <2% current accuracy over temperature due to matched TC and low ZZ, eliminating need for active current mirrors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4734A | 7.5 V, 1 W rating, DO-41 package, 6 Ω ZZ, −0.0005 %/°C TC | Higher power handling but larger footprint; near-zero TC suits ultra-stable references | Select when >500 mW dissipation or minimal thermal drift is required; not drop-in due to DO-41 vs DO-35 |
| BZX55C7V5 | 7.5 V, 500 mW, DO-35, 10 Ω ZZ, ±5% tolerance, −0.05 %/°C TC | Higher impedance and negative TC - less stable under load or temperature variation | Acceptable for cost-sensitive non-critical clamping; avoid where regulation stiffness or TC sign matters |
Compared with 1N5236B_S00Z, the 1N4734A offers higher power and superior TC but requires PCB layout change, while BZX55C7V5 trades regulation precision and TC polarity for lower cost - making 1N5236B_S00Z optimal for space-constrained, thermally stable 7.5 V reference designs.
Availability
1N5236B_S00Z is available at Aetrix Electronics and suitable for power supply feedback, overvoltage protection, and precision voltage reference applications requiring stable component supply, consistent parametric performance, and DO-35 through-hole compatibility.
Supply support for 1N5236B_S00Z 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 logic solutions for automotive, industrial, and consumer markets.
The 1N52xxB series belongs to ON Semiconductor's legacy Zener diode product line, engineered for general-purpose voltage regulation and reference functions in cost-sensitive, reliability-critical through-hole designs.
FAQ
What is the Zener voltage tolerance and test condition for 1N5236B_S00Z?
The 1N5236B_S00Z has a Zener voltage tolerance of ±5%, specified as 7.125 V (min) to 7.875 V (max) at a test current of 20 mA and ambient temperature of 25 °C. This tolerance reflects initial manufacturing variation and is verified per ON Semiconductor's 1N5221B–1N5263B datasheet Rev. 3. The 1N5236B_S00Z meets this specification under standardized thermal equilibrium conditions.
Does 1N5236B_S00Z have a positive or negative temperature coefficient?
The 1N5236B_S00Z has a positive temperature coefficient of +0.058 %/°C, meaning its Zener voltage increases with rising junction temperature. This behavior is inherent to its 7.5 V breakdown mechanism and is documented in the Electrical Characteristics table of the official ON Semiconductor datasheet. Designers must account for this drift in temperature-sensitive 1N5236B_S00Z reference circuits.
What is the maximum reverse leakage current for 1N5236B_S00Z and at what voltage is it measured?
The maximum reverse leakage current for 1N5236B_S00Z is 3.0 μA, measured at a reverse voltage (VR) of 5.7 V and ambient temperature of 25 °C. This low leakage supports high-impedance bias networks and minimizes error in precision analog circuits where the 1N5236B_S00Z serves as a reference node.
Can 1N5236B_S00Z be used in surface-mount designs?
No, the 1N5236B_S00Z is packaged in the axial DO-35 glass case, which is strictly a through-hole component. It lacks solder pads or terminations compatible with reflow or wave soldering for SMT assembly. For surface-mount equivalents, consider ON Semiconductor's NZ9F7V5 or similar SOD-123 Zener diodes - but these are not pin-compatible replacements for the 1N5236B_S00Z.
What is the power derating behavior of 1N5236B_S00Z above 50 °C ambient?
The 1N5236B_S00Z derates linearly at 4.0 mW/°C above an ambient temperature of 50 °C, reducing its maximum allowable power dissipation from 500 mW. At 75 °C ambient, for example, its rated power drops to 400 mW. This derating ensures safe junction temperature operation and is defined in the Absolute Maximum Ratings section of the 1N5236B_S00Z datasheet.
1N5236B_S00Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 7.5 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 6 Ohms
- Current - Reverse Leakage @ Vr:
- 3 µA @ 6 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 200 mA
- Operating Temperature:
- -65°C ~ 200°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-35
1N5236B_S00Z FAQ
1.How can I place an order for 1N5236B_S00Z through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N5236B_S00Z 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 1N5236B_S00Z reliable?
The price and inventory of 1N5236B_S00Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5236B_S00Z is usually 5 days.
3.What payment methods are accepted for 1N5236B_S00Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N5236B_S00Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N5236B_S00Z?
1N5236B_S00Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N5236B_S00Z 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 1N5236B_S00Z?
For technical support, including 1N5236B_S00Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5236B_S00Z requirements.
6.How does Aetrix verify that 1N5236B_S00Z is sourced from the original manufacturer or authorized distributors?
All 1N5236B_S00Z 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 1N5236B_S00Z meets industry standards.
7.What is the process for return or replacement of 1N5236B_S00Z?
All 1N5236B_S00Z units undergo pre-shipment inspection (PSI). If there is an issue with 1N5236B_S00Z, 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 1N5236B_S00Z part is unused and in its original packaging.
Return procedure for 1N5236B_S00Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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