Microchip Technology 1N5353BE3/TR13
- Part No.:
- 1N5353BE3/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- T-18, Axial
- Datasheet:
-
1N5353BE3/TR13.pdf
- Description:
- DIODE ZENER 16V 5W T18
- Quantity:
- Payment:

- Shipping:

Inventory:6,985
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Product details
Overview
1N5353BE3/TR13 from Microsemi is a 5 W axial-leaded silicon Zener diode with nominal regulation voltage of 16 V, ±5% tolerance (B suffix), 75 mA test current (IZT), 2.5 Ω dynamic impedance (ZZ), and 6.0 V maximum voltage regulation (ΔVZ) across 10–50% of IZM. It operates from –65 °C to +150 °C and is used for precision voltage reference and overvoltage protection in DC power supplies.
For engineers reviewing the 1N5353BE3/TR13 datasheet, 1N5353BE3/TR13 pinout, 1N5353BE3/TR13 application, or 1N5353BE3/TR13 equivalent, key selection criteria include Zener voltage stability under varying load current, thermal resistance (25 °C/W junction-to-lead), surge current rating (75 A), RoHS compliance (e3 suffix), and tape-and-reel packaging (TR13).
Technical Context
This device functions as a two-terminal voltage regulator in reverse-bias mode, maintaining stable 16 V output across a wide operating current range (10–50% of IZM = 7.5–37.5 mA). Its low dynamic impedance (2.5 Ω) and tight voltage regulation (ΔVZ = 6.0 V) ensure minimal deviation under load transients.
The 1N5353BE3/TR13 uses a void-free thermosetting epoxy T-18 package with tin-lead or RoHS-compliant matte-tin plating, rated for 260 °C soldering (10 s), and features cathode band polarity marking. Thermal resistance is specified at 25 °C/W junction-to-lead (3/8″ lead length) and 85 °C/W junction-to-ambient on FR4.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 16 V ±5% - precise regulation point for 15.2–16.8 V operation |
| Test Current (IZT) | 75 mA - defines nominal operating point for VZ measurement and impedance characterization |
| Dynamic Impedance (ZZ) | 2.5 Ω - low AC resistance ensures stable voltage under small-signal current variations |
| Max Voltage Regulation (ΔVZ) | 6.0 V - difference between VZ measured at 10% and 50% of IZM, indicating regulation linearity |
| Max Regulator Current (IZM) | 75 mA - maximum continuous DC current at TL = 25 °C with adequate heat sinking |
| Surge Current (IZSM) | 75 A - peak non-repetitive half-sine (8.3 ms) capability for transient overvoltage clamping |
| Thermal Resistance (RθJL) | 25 °C/W - enables 5 W power dissipation with ≤125 °C junction rise above 25 °C lead temperature |
Pinout & Package
T-18 axial-leaded plastic package with cathode indicated by color band; leads are tin-lead or RoHS-compliant matte-tin plated per MIL-STD-750 Method 2026. Mounting requires 3/8″ (10 mm) lead length from body for rated thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / low-voltage reference node | Connected to circuit ground or lower-potential rail during Zener operation |
| Cathode | Zener breakdown terminal / regulated output node | Banded end; connected to unregulated input; delivers stable 16 V to load when reverse-biased |
Key Features
| Feature | Design Value |
|---|---|
| JEDEC-registered Zener family | Ensures standardized electrical behavior, mechanical dimensions, and test methodology across global supply chain |
| RoHS-compliant (e3 suffix) | Meets EU Directive 2011/65/EU; lead-free matte-tin plating compatible with Pb-free assembly processes |
| Level 1 moisture sensitivity | No dry pack required prior to reflow; safe for standard SMT handling without baking |
| Nonsensitive to ESD (MIL-STD-750 Method 1020) | Withstands human-body-model ESD events without parameter shift or failure |
| High surge current rating (75 A) | Clamps 8.3 ms line surges without degradation-critical for industrial power input stages |
Applications
| DC Power Supply Regulation | Overvoltage Protection Circuit |
|---|---|
Use Scenario: Stabilizing reference voltage in linear regulator feedback networks or low-power analog circuits. IC Role / Device Role / Timing Role: Two-terminal shunt regulator providing fixed 16 V reference independent of load current within rated IZM. Use Value: Maintains ±5% output accuracy across –65 °C to +150 °C and 10–50% IZM, reducing need for trimming components. |
Use Scenario: Clamping transient spikes on 24 V DC bus lines in factory automation controllers. IC Role / Device Role / Timing Role: Reverse-biased voltage clamp absorbing energy from inductive kickback or lightning-induced surges. Use Value: Withstands 75 A non-repetitive surge (8.3 ms) while limiting voltage to ≤22.8 V (VZM), protecting downstream MOSFETs and ICs. |
| Industrial Sensor Excitation | Programmable Logic Controller (PLC) Input Conditioning |
Use Scenario: Providing stable excitation voltage to resistive temperature detectors (RTDs) in process instrumentation. IC Role / Device Role / Timing Role: Precision shunt reference delivering low-noise, low-drift 16 V bias to bridge sensors. Use Value: Low ΔVZ (6.0 V) and 2.5 Ω ZZ minimize output variation with sensor current draw, improving measurement resolution. |
Use Scenario: Level-shifting and clamping 24 V field signals to 16 V logic-compatible levels before ADC sampling in PLC modules. IC Role / Device Role / Timing Role: Bidirectional voltage limiter-clamping high transients and blocking reverse polarity faults. Use Value: Cathode-band polarity marking and robust 150 °C storage rating support reliable operation in harsh cabinet environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5353B (non-e3, non-TR) | Same electrical specs but leaded (SnPb) plating and bulk packaging; no RoHS or tape-and-reel compliance | Not suitable for Pb-free manufacturing or automated pick-and-place | Select 1N5353BE3/TR13 for RoHS-compliant SMT production; use 1N5353B only for legacy repair or non-RoHS prototyping |
| MMSZ5245B-TP (Micro Commercial Components) | Surface-mount SOD-123 package; same 16 V/±5% rating but lower power (500 mW), higher ZZ (17 Ω), and 200 mA IZM | Limited to low-power signal-level regulation; unsuitable for 5 W dissipation or surge clamping | Choose MMSZ5245B-TP only for space-constrained PCBs where power < 0.5 W; retain 1N5353BE3/TR13 for power regulation or surge handling |
Compared with 1N5353B and MMSZ5245B-TP, the 1N5353BE3/TR13 uniquely combines 5 W power handling, 75 A surge rating, RoHS compliance, and axial-leaded tape-and-reel delivery-making it optimal for industrial power supply and protection designs requiring reliability, thermal margin, and automated assembly compatibility.
Availability
1N5353BE3/TR13 is available at Aetrix Electronics and suitable for DC power supply regulation, overvoltage protection circuits, and industrial sensor excitation requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing readiness.
Supply support for 1N5353BE3/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 radiation-hardened components for aerospace, defense, and industrial markets.
The 1N53xxB series was designed specifically for ruggedized 5 W Zener regulation in harsh-environment applications-emphasizing wide temperature range (–65 °C to +150 °C), high surge survivability, and JEDEC-standardized mechanical and electrical behavior.
FAQ
What is the Zener voltage tolerance of the 1N5353BE3/TR13?
The 1N5353BE3/TR13 has a Zener voltage tolerance of ±5%, indicated by the "B" suffix in its part number. This means its actual regulation voltage falls within 15.2 V to 16.8 V at 75 mA test current and 25 °C lead temperature. The e3 suffix confirms RoHS compliance but does not affect voltage tolerance.
Can the 1N5353BE3/TR13 be used in surface-mount designs?
No-the 1N5353BE3/TR13 uses an axial-leaded T-18 package and is not a surface-mount device. For SMT equivalents, Microsemi offers the SMBJ5353B series. Attempting to mount the 1N5353BE3/TR13 in an SMT footprint would compromise mechanical reliability, thermal performance, and solder joint integrity.
What is the maximum continuous power dissipation for the 1N5353BE3/TR13?
The 1N5353BE3/TR13 is rated for 5.0 W steady-state power dissipation at 25 °C lead temperature (TL), with derating to zero at 150 °C. When mounted on FR4 with 1 oz copper, its power rating drops to 1.47 W at 25 °C ambient due to higher junction-to-ambient thermal resistance (85 °C/W).
Does the 1N5353BE3/TR13 require dry packing before reflow soldering?
No-the 1N5353BE3/TR13 has IPC/JEDEC J-STD-020B moisture sensitivity level (MSL) 1, meaning it may be stored indefinitely at ≤30 °C/60% RH without dry packing. It withstands 260 °C for 10 seconds per MIL-STD-750 Method 2026, making it compatible with standard lead-free reflow profiles.
How is polarity identified on the 1N5353BE3/TR13?
Polarity is marked by a single cathode band near one end of the T-18 package. During Zener operation, the banded end (cathode) must be held at a higher potential than the unbanded end (anode). Reversing polarity subjects the device to forward conduction only, with VF ≤ 1.2 V at 1.0 A-not regulation behavior.
1N5353BE3/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:
- ±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 ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- T-18
1N5353BE3/TR13 FAQ
1.How can I place an order for 1N5353BE3/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N5353BE3/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 1N5353BE3/TR13 reliable?
The price and inventory of 1N5353BE3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5353BE3/TR13 is usually 5 days.
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Once your 1N5353BE3/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 1N5353BE3/TR13?
For technical support, including 1N5353BE3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5353BE3/TR13 requirements.
6.How does Aetrix verify that 1N5353BE3/TR13 is sourced from the original manufacturer or authorized distributors?
All 1N5353BE3/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 1N5353BE3/TR13 meets industry standards.
7.What is the process for return or replacement of 1N5353BE3/TR13?
All 1N5353BE3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1N5353BE3/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 1N5353BE3/TR13 part is unused and in its original packaging.
Return procedure for 1N5353BE3/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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