Microchip Technology 1PMT5950AE3/TR13
- Part No.:
- 1PMT5950AE3/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-216AA
- Datasheet:
-
1PMT5950AE3/TR13.pdf
- Description:
- DIODE ZENER 110V 3W DO216AA
- Quantity:
- Payment:

- Shipping:

Inventory:5,075
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Product details
Overview
1PMT5950AE3/TR13 from Microsemi is a 110 V, ±5% tolerance surface-mount Zener diode in the Powermite® package, rated for 3.0 W DC power dissipation at TAB 1 = 60°C, with 300 Ω dynamic impedance at 3.4 mA test current and <4000 µA reverse leakage at 83.6 V, used for precision voltage regulation in industrial power supplies and overvoltage protection circuits.
For engineers reviewing the 1PMT5950AE3/TR13 datasheet, 1PMT5950AE3/TR13 pinout, 1PMT5950AE3/TR13 application, or 1PMT5950AE3/TR13 equivalent, key selection criteria include zener voltage tolerance, thermal resistance (30°C/W junction-to-TAB), ESD rating (>16 kV HBM), reverse leakage at rated VR, and compatibility with EIA-481 tape-and-reel automated assembly.
Technical Context
This device operates as a two-terminal voltage reference diode with cathode designated by TAB 1, requiring no external biasing and functioning solely under reverse-biased conditions. Its Powermite® package integrates a full metallic bottom and locking tab to enhance thermal conduction and eliminate solder flux entrapment during reflow.
Electrical behavior is defined at TL = 30°C with VZ measured 20 seconds after DC current application; dynamic impedance is derived using 60 Hz RMS AC current equal to 10% of IZT, and maximum power dissipation accounts for voltage rise at elevated currents and temperatures per Micro Note 202.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 110 V ±5% - stable reference voltage at 3.4 mA, suitable for high-voltage clamp circuits |
| Power Dissipation | 3.0 W at TAB 1 = 60°C - enables compact 3 W regulation without heatsink in moderate ambient |
| Dynamic Impedance (ZZT) | 300 Ω at IZT = 3.4 mA - determines regulation sensitivity to current variation |
| Reverse Leakage (IR) | <4000 µA at VR = 83.6 V - ensures low standby power loss in protection mode |
| Thermal Resistance | 30°C/W junction-to-TAB1 - defines temperature rise per watt dissipated at the mounting tab |
| ESD Rating | >16 kV HBM - supports robust handling in automated SMT lines without special ESD controls |
| Package | Powermite® (DO-216) - surface-mount, molded, full-metallic bottom, integral heat sink tab |
Pinout & Package
Powermite® package features a two-terminal construction with cathode unambiguously designated by TAB 1; anode is the opposing molded terminal. Mounting orientation is unrestricted, and the full metallic bottom serves as both thermal path and mechanical anchor.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TAB 1 | Cathode | Primary thermal and electrical connection point; must be soldered to copper pour for thermal management |
| Opposing Terminal | Anode | Standard anode connection; no polarity marking other than TAB 1 cathode designation |
Key Features
| Feature | Design Value |
|---|---|
| Integral Heat Sink Locking Tab | Direct thermal path from junction to PCB via TAB 1, reducing θJA dependency on board layout |
| Full Metallic Bottom | Eliminates solder flux entrapment risk during reflow, improving long-term reliability of solder joints |
| Automated Insertion Compatibility | EIA-481 tape-and-reel packaging (7″/3,000 pcs or 13″/12,000 pcs) supports high-speed pick-and-place |
| Low Reverse Leakage | ≤4000 µA at 83.6 V enables use in low-power standby clamping without excessive quiescent drain |
Applications
| Industrial Power Supply Regulation | Overvoltage Protection Circuit |
|---|---|
Use Scenario: Stabilizing feedback reference in isolated DC-DC converters operating up to 150 V input. IC Role / Device Role / Timing Role: Two-terminal shunt voltage reference providing precise 110 V threshold for error amplifier biasing. Use Value: Tight ±5% VZ tolerance and low ZZT ensure minimal output drift across line/load variations. | Use Scenario: Clamping transient surges on 100 V rail in motor drive gate driver stages. IC Role / Device Role / Timing Role: Passive overvoltage clamp absorbing energy during MOSFET switching spikes. Use Value: 3.0 W power rating and 30°C/W thermal resistance allow safe dissipation without external heatsink. |
| Automated Test Equipment (ATE) Reference | Telecom Line Interface Protection |
Use Scenario: Providing calibrated voltage reference for high-accuracy DAC/ADC calibration modules. IC Role / Device Role / Timing Role: Precision shunt regulator establishing known bias point for analog front-end circuitry. Use Value: Low IR (<4000 µA) and stable VZ minimize reference error contribution in measurement chains. | Use Scenario: Protecting line interface ICs from lightning-induced transients on 48–60 V telecom power feeds. IC Role / Device Role / Timing Role: Primary surge suppression element diverting excess energy to ground. Use Value: >16 kV HBM ESD rating ensures survivability during board handling and field deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5365B | Same 110 V nominal VZ, but DO-201AD package (larger, axial-lead); higher θJA, no metallic bottom | Requires through-hole mounting and additional thermal relief; unsuitable for high-density SMT designs | Select 1PMT5950AE3/TR13 when space-constrained SMT layout and superior thermal performance are required |
| BZX85C110 | 110 V VZ in DO-41 package; 1.3 W rating, 500 Ω ZZT, no specified ESD rating | Limited to lower-power clamping; lacks ESD robustness and thermal efficiency for industrial automation | Choose 1PMT5950AE3/TR13 for 3 W capability, ESD immunity, and Powermite® thermal advantages |
Compared with 1N5365B and BZX85C110, the 1PMT5950AE3/TR13 delivers 2.3× higher power density, 40% lower thermal resistance, and guaranteed >16 kV HBM ESD protection-critical for automated manufacturing and harsh-environment deployments.
Availability
1PMT5950AE3/TR13 is available at Aetrix Electronics and suitable for industrial power supplies, overvoltage protection circuits, and automated test equipment requiring stable component supply with consistent parametric performance across production lots.
Supply support for 1PMT5950AE3/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, mixed-signal, and RF solutions for aerospace, defense, and industrial markets.
The Powermite® Zener diode product line was engineered for high-power density surface-mount voltage regulation where thermal management, automated assembly compatibility, and ruggedized ESD performance are critical design requirements.
FAQ
What is the zener voltage tolerance for 1PMT5950AE3/TR13?
The 1PMT5950AE3/TR13 has a standard zener voltage tolerance of ±5% at 110 V nominal, measured at 3.4 mA test current with TAB 1 held at 30°C. Tighter tolerances (±2%, ±1%) are available with suffixes C and D respectively, but the E3 suffix indicates the standard ±5% grade. This tolerance directly impacts regulation accuracy in feedback loops and clamp thresholds.
How is thermal performance characterized for 1PMT5950AE3/TR13?
The 1PMT5950AE3/TR13 specifies a thermal resistance of 30°C/W junction-to-TAB1, meaning each watt dissipated raises the junction temperature 30°C above the TAB1 temperature. This value assumes direct thermal coupling of TAB1 to a sufficient copper area. The full metallic bottom and locking tab in the Powermite® package enable this low θJT, unlike plastic-bodied alternatives.
Is 1PMT5950AE3/TR13 compatible with lead-free reflow processes?
Yes, the 1PMT5950AE3/TR13 is qualified for lead-free reflow per J-STD-020, with a maximum peak temperature of 260°C. Its Powermite® package construction-including molded body and metallic terminals-is designed to withstand standard Pb-free thermal profiles without delamination or solder joint integrity loss, supporting RoHS-compliant manufacturing.
What does the "TR13" suffix indicate in 1PMT5950AE3/TR13?
The "TR13" suffix denotes tape-and-reel packaging per EIA-481 standard on a 13-inch reel containing 12,000 units. This format is optimized for high-volume automated placement equipment. The "E3" portion indicates the ±5% zener voltage tolerance grade and RoHS-compliant finish. Together, TR13 confirms factory-packaged, SMT-ready configuration.
Can 1PMT5950AE3/TR13 be used in place of axial-leaded Zeners like 1N5365B?
While 1PMT5950AE3/TR13 shares the same 110 V nominal zener voltage as 1N5365B, it is not a drop-in replacement due to different package (Powermite® vs. DO-201AD), thermal path (TAB1 conduction vs. lead-frame), and mounting method (SMT vs. through-hole). Board redesign is required to accommodate the surface-mount footprint and leverage its thermal advantages.
1PMT5950AE3/TR13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-216AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 110 V
- Tolerance:
- ±10%
- Power - Max:
- 3 W
- Impedance (Max) (Zzt):
- 300 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 83.6 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 200 mA
- Operating Temperature:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-216AA
1PMT5950AE3/TR13 FAQ
1.How can I place an order for 1PMT5950AE3/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PMT5950AE3/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 1PMT5950AE3/TR13 reliable?
The price and inventory of 1PMT5950AE3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PMT5950AE3/TR13 is usually 5 days.
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Once your 1PMT5950AE3/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 1PMT5950AE3/TR13?
For technical support, including 1PMT5950AE3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PMT5950AE3/TR13 requirements.
6.How does Aetrix verify that 1PMT5950AE3/TR13 is sourced from the original manufacturer or authorized distributors?
All 1PMT5950AE3/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 1PMT5950AE3/TR13 meets industry standards.
7.What is the process for return or replacement of 1PMT5950AE3/TR13?
All 1PMT5950AE3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1PMT5950AE3/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 1PMT5950AE3/TR13 part is unused and in its original packaging.
Return procedure for 1PMT5950AE3/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1PMT5950AE3/TR13 Tags

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