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Microchip Technology 1PMT5925B/TR13
- Part No.:
- 1PMT5925B/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-216AA
- Datasheet:
-
1PMT5925B/TR13.pdf
- Description:
- DIODE ZENER 10V 3W DO216AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,231
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Product details
Overview
1PMT5925B/TR13 from Microsemi is a 10 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 4.5 Ω dynamic impedance at 37.5 mA test current and 500 µA max reverse leakage at 5 V reverse voltage. It serves as a precision voltage reference or overvoltage clamp in DC power rails and regulator feedback paths.
For engineers reviewing the 1PMT5925B/TR13 datasheet, 1PMT5925B/TR13 pinout, 1PMT5925B/TR13 application, or 1PMT5925B/TR13 equivalent, key selection criteria include its 10 V nominal Zener voltage, 3.0 W thermal capability with metallic-tab heatsinking, low 4.5 Ω Zener impedance, ESD rating >16 kV HBM, and DO-216 mechanical outline compatibility with automated SMT placement.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable voltage regulation across varying load currents. Its Powermite® package integrates a full metallic bottom (TAB 1) as both cathode terminal and thermal path, enabling 30°C/W junction-to-tab thermal resistance and eliminating solder flux entrapment during reflow.
The device exhibits tight knee characteristics with IZK = 0.25 mA and ZZK = 500 Ω, supporting low-current regulation stability. Zener voltage is specified at IZT = 37.5 mA with measurement performed 20 seconds after DC current application per Micro Note 202.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 10 V ±5% at IZT = 37.5 mA - defines regulated output voltage in shunt regulator or reference circuits |
| Power Dissipation | 3.0 W at TAB 1 = 60°C - enables high-power clamping without external heatsink when mounted on copper pad |
| Dynamic Impedance ZZT | 4.5 Ω at IZT = 37.5 mA - ensures minimal output voltage variation under load current changes |
| Reverse Leakage IR | ≤500 µA at VR = 5 V - guarantees low quiescent current in standby or low-power monitoring circuits |
| Thermal Resistance | 30°C/W junction-to-TAB1 - allows direct thermal coupling to PCB copper for reliable 3 W operation |
| ESD Rating | >16 kV per Human Body Model - provides robust handling and system-level ESD immunity without added protection |
| Knee Current IZK | 0.25 mA - supports stable regulation down to ultra-low current biasing in sensor interfaces |
Pinout & Package
Package: Powermite® (DO-216), molded surface-mount package with full metallic bottom (TAB 1) serving as cathode and primary thermal interface. Dimensions conform to DO-216 outline; weight ≈ 0.016 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TAB 1 | Cathode | Primary current-carrying and thermal path; must be soldered to ≥1 cm² copper pour for rated 3.0 W dissipation |
| Lead 2 | Anode | Standard anode connection; polarity marked by TAB 1 designation per mechanical spec |
Key Features
| Feature | Design Value |
|---|---|
| Integral heat sink locking tab | Metallic TAB 1 provides direct thermal conduction path to PCB, enabling 3.0 W operation without external heatsink |
| Full metallic bottom | Eliminates solder flux entrapment during reflow, improving long-term reliability and void-free solder joints |
| Automated insertion compatibility | DO-216 footprint and mechanical rigidity support high-speed pick-and-place and reflow assembly |
| Tight Zener tolerance option | ±1% (suffix D) and ±2% (suffix C) available - supports precision reference designs beyond standard ±5% |
Applications
| DC Power Rail Clamping | Feedback Reference for SMPS |
|---|---|
Use Scenario: Protecting 12 V automotive ECUs against load dump transients up to 40 V. IC Role / Device Role / Timing Role: Shunt clamping device absorbing surge energy by entering controlled Zener breakdown. Use Value: 3.0 W rating and 30°C/W thermal resistance allow sustained clamping without thermal runaway when mounted on 2 oz copper. | Use Scenario: Providing stable 10 V reference to TL431-based isolated flyback feedback loop. IC Role / Device Role / Timing Role: Precision voltage reference setting error amplifier threshold in secondary-side regulation. Use Value: 4.5 Ω dynamic impedance minimizes output voltage drift across line/load variations, improving cross-regulation. |
| Low-Power Sensor Biasing | ESD-Protected IO Interface |
Use Scenario: Biasing analog temperature sensors in battery-powered IoT nodes operating at <100 µA quiescent current. IC Role / Device Role / Timing Role: Low-current Zener reference supplying stable excitation voltage to ratiometric sensors. Use Value: 0.25 mA knee current and 500 µA max IR at 5 V enable regulation stability even below 1 mA operating current. | Use Scenario: Protecting RS-485 transceiver inputs against ±8 kV contact ESD per IEC 61000-4-2. IC Role / Device Role / Timing Role: Primary front-end clamp limiting transient voltage before TVS or internal protection diodes activate. Use Value: >16 kV HBM rating ensures robustness during board handling and system integration without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMF10A (ON Semiconductor) | 10 V, 1.0 W, SOD-123 package, 10 Ω Zzt, no metallic tab | Limited to lower-power clamping; lacks integrated heatsink for 3 W operation | Select when board space is constrained and power <1 W; avoid for sustained 3 W loads |
| BZX84-C10 (Diodes Inc.) | 10 V, 300 mW, SOT-23, 20 Ω Zzt, plastic bottom | Not suitable for thermal cycling or high-reliability industrial environments | Choose for cost-sensitive consumer designs where 300 mW suffices and ESD >16 kV not required |
Compared with SMF10A and BZX84-C10, the 1PMT5925B/TR13 delivers 3× higher power handling and superior thermal management via its metallic TAB 1, making it uniquely suited for automotive and industrial applications requiring sustained 3 W clamping with field-proven reliability.
Availability
1PMT5925B/TR13 is available at Aetrix Electronics and suitable for automotive power rail protection, industrial SMPS feedback references, and high-reliability sensor biasing requiring stable component supply and long-lifecycle support.
Supply support for 1PMT5925B/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 Powermite® Zener series, including the 1PMT5925B/TR13, was engineered for high-power surface-mount voltage regulation in space-constrained, thermally demanding environments such as engine control units and programmable logic controllers.
FAQ
What is the maximum continuous power dissipation for the 1PMT5925B/TR13?
The 1PMT5925B/TR13 is rated for 3.0 W DC power dissipation when TAB 1 is maintained at 60°C. This requires mounting on a minimum 1 cm² copper area with 2 oz copper thickness. Derating applies above 60°C tab temperature per the 30°C/W thermal resistance specification.
How is cathode identification implemented on the 1PMT5925B/TR13 package?
The cathode of the 1PMT5925B/TR13 is designated by TAB 1, which is the full metallic bottom surface of the Powermite® package. Mechanical documentation confirms that TAB 1 serves as both the cathode terminal and primary thermal interface, with polarity unambiguous due to its physical construction.
Does the 1PMT5925B/TR13 meet any industry-standard ESD ratings?
Yes, the 1PMT5925B/TR13 has an ESD rating exceeding 16 kV per the Human Body Model (HBM), as documented in the MSC0995 datasheet. This rating is intrinsic to the device structure and does not require external circuitry to achieve.
What is the Zener voltage tolerance for the standard 1PMT5925B/TR13?
The standard 1PMT5925B/TR13 carries a Zener voltage tolerance of ±5% at 10 V nominal. Tighter tolerances of ±2% (suffix C) and ±1% (suffix D) are available as orderable variants, but the base TR13 reel contains the ±5% version.
Can the 1PMT5925B/TR13 be used in place of through-hole Zener diodes like the 1N5240B?
The 1PMT5925B/TR13 provides equivalent 10 V regulation but in a surface-mount Powermite® package with 3.0 W rating versus the 1N5240B's 500 mW. Direct replacement requires PCB layout revision for DO-216 footprint and thermal pad design; electrical function is compatible but thermal and mechanical implementation differs significantly.
1PMT5925B/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):
- 10 V
- Tolerance:
- ±5%
- Power - Max:
- 3 W
- Impedance (Max) (Zzt):
- 4.5 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 8 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
1PMT5925B/TR13 FAQ
1.How can I place an order for 1PMT5925B/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PMT5925B/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 1PMT5925B/TR13 reliable?
The price and inventory of 1PMT5925B/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PMT5925B/TR13 is usually 5 days.
3.What payment methods are accepted for 1PMT5925B/TR13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1PMT5925B/TR13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1PMT5925B/TR13?
1PMT5925B/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1PMT5925B/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 1PMT5925B/TR13?
For technical support, including 1PMT5925B/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PMT5925B/TR13 requirements.
6.How does Aetrix verify that 1PMT5925B/TR13 is sourced from the original manufacturer or authorized distributors?
All 1PMT5925B/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 1PMT5925B/TR13 meets industry standards.
7.What is the process for return or replacement of 1PMT5925B/TR13?
All 1PMT5925B/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1PMT5925B/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 1PMT5925B/TR13 part is unused and in its original packaging.
Return procedure for 1PMT5925B/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1PMT5925B/TR13 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
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