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Microchip Technology 1N5353CE3/TR13
- Part No.:
- 1N5353CE3/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- T-18, Axial
- Datasheet:
-
1N5353CE3/TR13.pdf
- Description:
- DIODE ZENER 16V 5W T18
- Quantity:
- Payment:
- Shipping:
Inventory:6,633
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Product details
Overview
1N5353CE3/TR13 from Microsemi is a 16 V, ±2% tolerance, 5 W axial-leaded silicon Zener diode with 75 mA test current, 2.5 Ω dynamic impedance at 75 mA, and 295 Ω knee impedance at 1 mA. It regulates voltage in power supply reference and overvoltage protection circuits across industrial temperature ranges.
For engineers reviewing the 1N5353CE3/TR13 datasheet, 1N5353CE3/TR13 pinout, 1N5353CE3/TR13 application, or 1N5353CE3/TR13 equivalent, key selection criteria include its tight ±2% VZ tolerance, 295 Ω ZZK at 1 mA for low-current regulation stability, 6.0 V ΔVZ regulation performance, and RoHS-compliant matte-tin plating per MIL-STD-750.
Technical Context
This Zener operates in reverse-bias breakdown mode to maintain stable 16 V output across varying load currents (1–75 mA) and temperatures (−65 °C to +150 °C). Its 25 °C/W junction-to-lead thermal resistance enables 5 W dissipation with 3/8″ lead length heat sinking.
The device exhibits 0.30 V voltage regulation (ΔVZ) between 10% and 50% of IZM, confirming minimal VZ drift under current variation. Its 1.0 μA reverse leakage at 11.5 V ensures low standby power loss in precision bias networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 16 V ±2% - precise reference voltage for analog feedback loops and ADC references |
| Test Current (IZT) | 75 mA - operating point where VZ and ZZ are specified; defines minimum stable regulation current |
| Dynamic Impedance (ZZ) | 2.5 Ω at 75 mA - low AC impedance ensures minimal output voltage ripple under dynamic load changes |
| Knee Impedance (ZZK) | 295 Ω at 1 mA - defines regulation capability at low bias currents typical in sensor biasing |
| Max Regulator Current (IZM) | 6.0 A - peak DC current before thermal runaway when adequately heat sunk |
| Voltage Regulation (ΔVZ) | 0.30 V - difference between VZ measured at 10% and 50% of IZM; quantifies regulation linearity |
| Thermal Resistance (RθJL) | 25 °C/W - enables 5 W continuous operation with simple lead-length heat sinking |
Pinout & Package
Package: T-18 axial-leaded plastic encapsulated case per JEDEC DO-204AL; void-free UL94V-0 epoxy body; cathode indicated by band; RoHS-compliant matte-tin plated leads solderable per MIL-STD-750 Method 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reverse-bias reference node | Connected to system ground or lower-potential rail; forms reference return path |
| Cathode | Zener voltage output node | Banded end; supplies regulated 16 V to load when reverse biased above VZ |
Key Features
| Feature | Design Value |
|---|---|
| ±2% Zener voltage tolerance (C suffix) | Enables high-accuracy voltage references without external trimming in power supply feedback networks |
| Moisture sensitivity Level 1 per J-STD-020B | Eliminates dry-pack requirement and floor-life constraints for SMT assembly planning |
| 295 Ω ZZK at 1 mA | Supports stable regulation down to microampere-level bias currents in low-power sensor interfaces |
| 1.0 μA reverse leakage at 11.5 V | Minimizes quiescent current draw in battery-backed monitoring circuits |
| RoHS-compliant e3 suffix | Meets EU Directive 2011/65/EU and China RoHS II requirements for lead-free manufacturing |
Applications
| Power Supply Reference | Overvoltage Protection |
|---|---|
Use Scenario: Stabilizing feedback voltage in linear regulator ICs and switching controller error amplifiers. IC Role / Device Role / Timing Role: Zener reference element providing precise 16 V setpoint for error amplifier comparison. Use Value: ±2% VZ tolerance ensures output voltage accuracy within ±0.32 V across temperature and aging. | Use Scenario: Clamping transient surges on 12 V automotive control bus lines. IC Role / Device Role / Timing Role: Shunt protection device diverting excess energy to ground during load-dump events. Use Value: 6.0 A IZM rating supports 100 ms surge handling per ISO 7637-2 Pulse 5a without degradation. |
| Sensor Bias Network | Industrial Analog Interface |
Use Scenario: Providing stable excitation voltage to resistive temperature detectors (RTDs) in process instrumentation. IC Role / Device Role / Timing Role: Low-drift voltage source for ratiometric measurement bridges. Use Value: 0.30 V ΔVZ ensures <0.2% full-scale error contribution across 1–5 mA bridge currents. | Use Scenario: Generating isolated reference for 16-bit SAR ADCs in programmable logic controllers. IC Role / Device Role / Timing Role: Precision analog reference node decoupled from noisy digital rails. Use Value: 295 Ω ZZK at 1 mA maintains <1 mV noise coupling into ADC reference input at low bias. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5353B | Same 16 V nominal VZ, but ±5% tolerance (B suffix) vs. ±2% (C suffix) | Lower accuracy; suitable for non-critical biasing where cost is prioritized over precision | Select 1N5353B only if ±5% VZ meets system tolerance budget and RoHS compliance is not required |
| MMSZ5245B-TP | Surface-mount SOD-123 package; 16 V ±5%; 500 mW rating; ZZ = 17 Ω at 20 mA | Not drop-in compatible; limited to low-power PCB space-constrained designs | Choose MMSZ5245B-TP only for compact layouts requiring SMT assembly and where 500 mW power suffices |
Compared with 1N5353B and MMSZ5245B-TP, the 1N5353CE3/TR13 delivers tighter ±2% regulation, 5 W power handling, and axial-leaded through-hole mounting-making it optimal for industrial power supplies needing long-term stability and thermal robustness.
Availability
1N5353CE3/TR13 is available at Aetrix Electronics and suitable for industrial power supplies, automotive ECU protection circuits, and precision sensor biasing requiring stable component supply and traceable RoHS-compliant sourcing.
Supply support for 1N5353CE3/TR13 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
Microsemi (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog, RF, and timing solutions for aerospace, defense, and industrial markets.
The 1N53xxB series was designed for ruggedized voltage regulation in harsh-environment power systems, emphasizing thermal resilience, wide temperature operation, and military-grade screening compatibility.
FAQ
What is the Zener voltage tolerance of the 1N5353CE3/TR13?
The 1N5353CE3/TR13 has a Zener voltage tolerance of ±2%, denoted by the "C" suffix in its part number. This means its nominal 16 V Zener voltage is guaranteed between 15.68 V and 16.32 V at 25 °C with 75 mA test current, enabling high-accuracy voltage references in feedback loops and precision analog circuits.
Does the 1N5353CE3/TR13 require dry packing for moisture sensitivity?
No, the 1N5353CE3/TR13 has IPC/JEDEC J-STD-020B moisture sensitivity level 1, meaning it is not moisture-sensitive and does not require dry packing or floor-life controls prior to soldering. Its void-free thermosetting epoxy body eliminates humidity ingress concerns during storage and reflow.
What is the maximum steady-state power dissipation for the 1N5353CE3/TR13 on a standard FR4 PCB?
When mounted on a standard FR4 PCB (1 oz copper, 4 mm² pads, 1 mm track width, 25 mm length), the 1N5353CE3/TR13 has a steady-state power rating of 1.47 W at 25 °C ambient. Derating follows 85 °C/W thermal resistance, reducing usable power linearly above 25 °C ambient temperature.
How does the 1N5353CE3/TR13 compare to the 1N5353B in terms of voltage regulation performance?
The 1N5353CE3/TR13 offers tighter ±2% Zener voltage tolerance versus the ±5% of the 1N5353B, and includes RoHS-compliant e3 plating. Both share identical 16 V nominal VZ, 75 mA IZT, and 2.5 Ω ZZ, but the C-suffix version provides superior accuracy for precision reference applications where calibration overhead must be minimized.
What is the reverse leakage current specification for the 1N5353CE3/TR13?
The 1N5353CE3/TR13 specifies a maximum reverse leakage current (IR) of 1.0 μA at 11.5 V (75% of VZ). This low leakage ensures minimal parasitic current draw in high-impedance bias networks and preserves accuracy in battery-powered sensor interfaces where quiescent power is critical.
1N5353CE3/TR13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- T-18, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 16 V
- Tolerance:
- ±2%
- 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 ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- T-18
1N5353CE3/TR13 FAQ
1.How can I place an order for 1N5353CE3/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N5353CE3/TR13 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 1N5353CE3/TR13 reliable?
The price and inventory of 1N5353CE3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5353CE3/TR13 is usually 5 days.
3.What payment methods are accepted for 1N5353CE3/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N5353CE3/TR13 transactions.
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4.How is shipping managed for 1N5353CE3/TR13?
1N5353CE3/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N5353CE3/TR13 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 1N5353CE3/TR13?
For technical support, including 1N5353CE3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5353CE3/TR13 requirements.
6.How does Aetrix verify that 1N5353CE3/TR13 is sourced from the original manufacturer or authorized distributors?
All 1N5353CE3/TR13 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 1N5353CE3/TR13 meets industry standards.
7.What is the process for return or replacement of 1N5353CE3/TR13?
All 1N5353CE3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1N5353CE3/TR13, 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 1N5353CE3/TR13 part is unused and in its original packaging.
Return procedure for 1N5353CE3/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N5353CE3/TR13 Tags
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