Microchip Technology 1PMT5929A/TR7
- Part No.:
- 1PMT5929A/TR7
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-216AA
- Datasheet:
-
1PMT5929A/TR7.pdf
- Description:
- DIODE ZENER 15V 3W DO216AA
- Quantity:
- Payment:

- Shipping:

Inventory:2,740
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Product details
Overview
1PMT5929A/TR7 from Microsemi is a 15 V, 3.0 W surface-mount Zener diode in the Powermite® package with 9.0 Ω dynamic impedance at 25 mA test current, 600 µA max reverse leakage at 11.4 V, and thermal resistance of 30°C/W junction-to-tab. It serves as a precision voltage reference or overvoltage clamp in DC power rails and analog signal conditioning circuits.
For engineers reviewing the 1PMT5929A/TR7 datasheet, 1PMT5929A/TR7 pinout, 1PMT5929A/TR7 application, or 1PMT5929A/TR7 equivalent, key selection criteria include zener voltage tolerance (±5%), ESD rating (>16 kV HBM), junction-to-tab thermal resistance, and compatibility with automated SMT assembly using EIA-481 tape-and-reel packaging.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable voltage regulation across varying load currents. Its Powermite® package integrates a metallic tab (TAB 1) as both cathode terminal and primary heat path, enabling 3.0 W dissipation when tab temperature is held at 60°C.
The device exhibits low knee impedance (≤9.0 Ω at IZT = 25 mA) and tight voltage control-VZ = 15.0 V ±5% at IZT = 25 mA, with reverse leakage limited to 600 µA at VR = 11.4 V. It meets human-body-model ESD requirements exceeding 16 kV.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15.0 V ±5% at 25 mA - defines regulated output voltage under nominal bias |
| Power Dissipation | 3.0 W with TAB 1 at 60°C - sets maximum continuous thermal load in PCB-mounted condition |
| Dynamic Impedance (ZZT) | 9.0 Ω at 25 mA - determines voltage deviation under small-signal current changes |
| Reverse Leakage (IR) | 600 µA max at 11.4 V - limits standby power loss in clamping applications |
| Thermal Resistance | 30°C/W junction-to-TAB1 - enables thermal design using tab as heatsink anchor point |
| ESD Rating | >16 kV per HBM - ensures robustness during handling and board assembly |
| Package | Powermite® (DO-216) - surface-mount molded package with full metallic bottom and locking tab |
Pinout & Package
Powermite® package features a single metallic tab (TAB 1) serving as the cathode terminal and primary thermal interface. The anode is connected to the molded body lead. Mounting orientation is unrestricted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TAB 1 | Cathode | Primary current return path and thermal conduction interface to PCB copper pour or heatsink |
| Molded Body Lead | Anode | Standard anode connection; electrically isolated from TAB 1 by molded plastic body |
Key Features
| Feature | Design Value |
|---|---|
| Integral Heat Sink Locking Tab | TAB 1 provides direct metal-to-PCB thermal path and mechanical anchoring for reflow reliability |
| Full Metallic Bottom | Eliminates solder flux entrapment risk during reflow, improving long-term solder joint integrity |
| Automated Insertion Compatibility | EIA-481 tape-and-reel packaging (7″ reel, 3,000 pcs) supports high-speed pick-and-place placement |
| Low Reverse Leakage | 600 µA max at 11.4 V enables low-power standby regulation without excessive quiescent loss |
| Tight Zener Tolerance Option | Available in ±2% (suffix C) and ±1% (suffix D) for precision reference applications |
Applications
| DC Power Rail Clamping | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protects 12–15 V logic supply rails from transient overvoltage events such as load dump or inductive switching spikes. IC Role / Device Role / Timing Role: Zener clamping element placed between rail and ground, conducting only above 15 V threshold. Use Value: Limits voltage excursion to ≤15.75 V (±5%) while dissipating up to 3.0 W peak energy without derating beyond tab temperature limits. | Use Scenario: Stabilizes excitation voltage for bridge-based pressure or strain sensors operating from unregulated 15 V supplies. IC Role / Device Role / Timing Role: Precision shunt reference providing stable 15 V bias to sensor Wheatstone bridge. Use Value: Maintains <±0.75 V regulation window (±5%) across 10–30 mA load range, minimizing sensor gain drift due to supply variation. |
| Programmable Logic Controller I/O Protection | Automotive Body Control Module Voltage Reference |
Use Scenario: Shields 24 V digital input circuits against ESD and surge events in factory automation environments. IC Role / Device Role / Timing Role: Primary ESD clamp on field-side input line, paired with series current-limiting resistor. Use Value: Withstands >16 kV HBM ESD strikes and clamps transients to safe levels while maintaining low leakage (<600 µA) during normal operation. | Use Scenario: Supplies stable 15 V reference to microcontroller ADC and internal LDOs in automotive BCM modules. IC Role / Device Role / Timing Role: Shunt voltage reference supporting system-level power management and sensor calibration routines. Use Value: Operates reliably across –40°C to +125°C ambient with junction temperature maintained ≤150°C via TAB 1 thermal coupling to chassis ground plane. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMCJ15A | TVS diode (not Zener); 15 V standoff, 24.4 V clamping, 1500 W peak pulse power | Designed for transient suppression, not precision regulation; higher clamping voltage, no DC regulation capability | Select for surge/ESD protection where precise DC voltage control is unnecessary |
| BZX84-C15 | SOT-23 package; 15 V ±5%, 300 mW power, 20 Ω impedance, 100 nA leakage at 12 V | Lower power, smaller footprint, higher impedance, negligible leakage - suited for low-current biasing only | Select for space-constrained, low-power bias/reference needs where 3.0 W dissipation is not required |
Compared with SMCJ15A and BZX84-C15, the 1PMT5929A/TR7 uniquely delivers 3.0 W DC power handling in a surface-mount package with validated thermal performance via TAB 1, making it suitable for sustained regulation and moderate-power clamping where precision and thermal robustness are critical.
Availability
1PMT5929A/TR7 is available at Aetrix Electronics and suitable for industrial power supply protection, automotive body electronics, programmable logic controller I/O conditioning, and sensor reference applications requiring stable component supply and traceable sourcing.
Supply support for 1PMT5929A/TR7 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, industrial, and communications markets.
The Powermite® Zener diode product line was engineered for high-power surface-mount voltage regulation and transient clamping in space-constrained, thermally demanding environments where traditional through-hole packages were impractical.
FAQ
What is the Zener voltage tolerance for 1PMT5929A/TR7?
The 1PMT5929A/TR7 has a standard Zener voltage tolerance of ±5% at 15.0 V nominal, measured at 25 mA test current and 30°C tab temperature. Tighter tolerances of ±2% (suffix C) and ±1% (suffix D) are available as custom order options, but the base 1PMT5929A/TR7 part adheres strictly to the ±5% specification per MSC0995 Rev F.
How is thermal management implemented in the 1PMT5929A/TR7 package?
The 1PMT5929A/TR7 uses its metallic TAB 1 as the primary thermal conduction path, with a specified junction-to-tab thermal resistance of 30°C/W. Effective cooling requires direct thermal connection of TAB 1 to a PCB copper pour or external heatsink; the full metallic bottom prevents flux entrapment and enhances solder joint reliability during reflow.
Is the 1PMT5929A/TR7 compatible with automated SMT assembly processes?
Yes, the 1PMT5929A/TR7 is supplied in EIA-481 compliant tape-and-reel format (7-inch reel, 3,000 pieces) and designed for compatibility with standard pick-and-place equipment. Its Powermite® package includes a locking tab that improves mechanical stability during placement and reflow, and the full metallic bottom eliminates solder flux entrapment risks.
What is the maximum reverse leakage current for 1PMT5929A/TR7 at rated conditions?
The 1PMT5929A/TR7 specifies a maximum reverse leakage current (IR) of 600 µA at a reverse voltage (VR) of 11.4 V and ambient temperature of 30°C. This value is verified per the electrical characteristics table in MSC0995 Rev F and reflects worst-case leakage under defined test conditions.
Does the 1PMT5929A/TR7 have an industry-standard package outline?
Yes, the 1PMT5929A/TR7 uses the DO-216 package outline, as confirmed by mechanical drawings in MSC0995 Rev F. All dimensions are specified in inches with ±0.005 inch tolerance, and the package is fully compatible with standard DO-216 footprint land patterns used for surface-mount Zener diodes across multiple manufacturers.
1PMT5929A/TR7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-216AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 15 V
- Tolerance:
- ±10%
- Power - Max:
- 3 W
- Impedance (Max) (Zzt):
- 8 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 11.4 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
1PMT5929A/TR7 FAQ
1.How can I place an order for 1PMT5929A/TR7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PMT5929A/TR7 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 1PMT5929A/TR7 reliable?
The price and inventory of 1PMT5929A/TR7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PMT5929A/TR7 is usually 5 days.
3.What payment methods are accepted for 1PMT5929A/TR7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1PMT5929A/TR7 transactions.
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4.How is shipping managed for 1PMT5929A/TR7?
1PMT5929A/TR7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1PMT5929A/TR7 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 1PMT5929A/TR7?
For technical support, including 1PMT5929A/TR7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PMT5929A/TR7 requirements.
6.How does Aetrix verify that 1PMT5929A/TR7 is sourced from the original manufacturer or authorized distributors?
All 1PMT5929A/TR7 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 1PMT5929A/TR7 meets industry standards.
7.What is the process for return or replacement of 1PMT5929A/TR7?
All 1PMT5929A/TR7 units undergo pre-shipment inspection (PSI). If there is an issue with 1PMT5929A/TR7, 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 1PMT5929A/TR7 part is unused and in its original packaging.
Return procedure for 1PMT5929A/TR7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1PMT5929A/TR7 Tags

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