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Microchip Technology 1PMT5952E3/TR7
- Part No.:
- 1PMT5952E3/TR7
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-216AA
- Datasheet:
-
1PMT5952E3/TR7.pdf
- Description:
- DIODE ZENER 130V 3W DO216AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,014
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Product details
Overview
1PMT5952E3/TR7 from Microsemi is a 130 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 450 Ω dynamic impedance at 2.9 mA test current and thermal resistance of 30°C/W junction-to-tab. It serves as a precision voltage reference or overvoltage clamp in power supply regulation and transient protection circuits.
For engineers reviewing the 1PMT5952E3/TR7 datasheet, 1PMT5952E3/TR7 pinout, 1PMT5952E3/TR7 application, or 1PMT5952E3/TR7 equivalent, key selection criteria include zener voltage accuracy, power derating at elevated tab temperature, knee current behavior (IZK = 0.25 mA), reverse leakage (IR ≤ 1 µA at VR = 100 V), and ESD robustness (>16 kV HBM).
Technical Context
This device operates as a two-terminal voltage-reference diode with cathode designated by TAB 1. Its Powermite® package integrates a full metallic bottom and locking tab to enhance thermal conduction and eliminate solder flux entrapment during reflow assembly.
Electrical performance is specified at TL = 30°C with VZ measured 20 seconds after applying DC test current IZT. Dynamic impedance ZZT is derived using 60 Hz RMS AC current equal to 10% of IZT, per Microsemi Note 202 for voltage-current deviation analysis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 130 V ±5% at IZT = 2.9 mA - defines stable clamping/reference level under nominal bias |
| Power Dissipation | 3.0 W at TAB 1 = 60°C - sets maximum continuous power handling with defined thermal boundary |
| Dynamic Impedance | 450 Ω at IZT - determines voltage regulation sensitivity to current variation near operating point |
| Knee Current (IZK) | 0.25 mA - minimum current required to enter useful zener conduction region |
| Reverse Leakage | ≤1 µA at VR = 100 V - ensures low standby power loss in high-impedance bias networks |
| Thermal Resistance | 30°C/W junction-to-TAB1 - enables thermal design margin estimation when mounted on PCB copper |
| ESD Rating | >16 kV HBM - supports robustness in handling and board-level ESD events without parametric shift |
Pinout & Package
The 1PMT5952E3/TR7 uses the Powermite® surface-mount package (DO-216 outline), featuring a molded body with full metallic bottom and integral heat-sink locking tab. Cathode is unambiguously designated by TAB 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TAB 1 | Cathode | Primary heat path and electrical cathode connection; must be thermally anchored to PCB copper for rated power operation |
| Lead 2 | Anode | Standard anode terminal; polarity confirmed by cathode marking on package body adjacent to TAB 1 |
Key Features
| Feature | Design Value |
|---|---|
| Surface-mount Powermite® package | Enables automated placement and eliminates through-hole drilling while maintaining 3 W power capability |
| Full metallic bottom | Prevents solder flux entrapment during reflow, reducing post-assembly cleaning and reliability risk |
| Integral heat-sink locking tab | Improves thermal transfer to PCB and provides mechanical retention during thermal cycling |
| ESD robustness | >16 kV Human Body Model rating supports handling without special ESD controls in standard assembly lines |
| Tight voltage tolerance option | ±2% (suffix C) and ±1% (suffix D) available - enables higher-precision references without redesign |
Applications
| Industrial Power Supply Regulation | Automotive Load-Dump Protection |
|---|---|
Use Scenario: Stabilizing feedback voltage in isolated flyback or forward converter auxiliary supplies. IC Role / Device Role / Timing Role: Precision voltage reference for optocoupler-based feedback loop. Use Value: 130 V rating allows direct clamping of reflected transients up to 100 V reverse, minimizing external component count. | Use Scenario: Clamping induced transients on 24 V vehicle subsystems during load-dump events. IC Role / Device Role / Timing Role: Standby overvoltage protector in infotainment or ADAS power rails. Use Value: 3.0 W rating sustains 100 ms pulses per ISO 7637-2 without degradation; metallic tab aids thermal survival. |
| Programmable Logic Controller I/O Protection | Telecom Line Interface Voltage Clamp |
Use Scenario: Protecting 24 V digital input channels against field-wiring faults and inductive kickback. IC Role / Device Role / Timing Role: Bidirectional transient suppressor on PLC input terminals. Use Value: Low 1 µA leakage at 100 V ensures minimal loading on high-impedance sensor inputs. | Use Scenario: Secondary-side voltage limiting in DSL or POTS line interface circuits. IC Role / Device Role / Timing Role: DC rail clamp preventing damage to analog front-end components. Use Value: 450 Ω dynamic impedance maintains stable clamping across varying line current conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5375B | Same 130 V nominal VZ, but DO-204AL (DO-41) through-hole package; 5 W rating; higher ZZT (500 Ω) | Requires PCB through-hole mounting; better suited for prototyping or lower-volume manual assembly | Select 1N5375B only if through-hole compatibility or higher pulse power margin is required |
| BZX85C130 | 130 V ±5%, DO-41 package, 1.3 W rating, 600 Ω ZZT, no metallic tab or flux-trap mitigation | Limited to low-power bias networks; unsuitable for sustained 3 W dissipation or automated SMT lines | Choose BZX85C130 only for cost-sensitive, low-power reference use where thermal performance is secondary |
Compared with 1N5375B and BZX85C130, the 1PMT5952E3/TR7 delivers superior thermal management via its metallic tab, supports high-volume SMT assembly, and maintains tighter regulation (450 Ω vs ≥500 Ω) at its rated 3 W - critical for stable feedback in regulated power supplies.
Availability
1PMT5952E3/TR7 is available at Aetrix Electronics and suitable for industrial power supply regulation, automotive load-dump protection, and programmable logic controller I/O protection requiring stable component supply and consistent parametric performance across production lots.
Supply support for 1PMT5952E3/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, and industrial markets.
The Powermite® Zener diode family, including the 1PMT5952E3/TR7, was engineered to deliver high-power surface-mount voltage regulation with enhanced thermal and assembly robustness for mission-critical power systems.
FAQ
What is the zener voltage tolerance for 1PMT5952E3/TR7?
The 1PMT5952E3/TR7 has a standard zener voltage tolerance of ±5% at 130 V, measured at IZT = 2.9 mA with TAB 1 held at 30°C. Tighter tolerances of ±2% (suffix C) and ±1% (suffix D) are available as custom order options. The 1PMT5952E3/TR7 datasheet specifies that voltage measurement must occur 20 seconds after DC current application to ensure thermal stabilization.
How is thermal performance defined for 1PMT5952E3/TR7?
The 1PMT5952E3/TR7 has a junction-to-TAB1 thermal resistance of 30°C/W, enabling precise thermal modeling when the metallic tab is soldered to adequate PCB copper area. Its 3.0 W power rating applies only when TAB 1 temperature is maintained at 60°C; derating is required above that temperature. The 1PMT5952E3/TR7's full metallic bottom and locking tab directly contribute to this thermal specification by maximizing conductive heat transfer.
Can 1PMT5952E3/TR7 be used in automatic insertion equipment?
Yes, the 1PMT5952E3/TR7 is explicitly designed for compatibility with automated SMT placement equipment. Its Powermite® package features a unique locking tab and symmetrical geometry that ensures reliable pick-and-place operation. The device ships in EIA-481 tape-and-reel format (7-inch reel, 3,000 pieces), and its full metallic bottom prevents solder flux entrapment - a known cause of placement misalignment and post-reflow defects. This makes the 1PMT5952E3/TR7 suitable for high-throughput manufacturing lines.
What is the reverse leakage current specification for 1PMT5952E3/TR7?
The 1PMT5952E3/TR7 exhibits a maximum reverse leakage current (IR) of 1 µA when biased at VR = 100 V, measured at TL = 30°C. This low leakage ensures minimal power loss in high-impedance bias networks and preserves accuracy in precision reference applications. The 1PMT5952E3/TR7's leakage remains stable across its operating temperature range (–55°C to +150°C), supporting reliable performance in harsh environments without significant drift.
Is 1PMT5952E3/TR7 RoHS compliant?
Yes, the 1PMT5952E3/TR7 is RoHS compliant and lead-free, consistent with Microsemi's product transition to environmentally compliant packaging. The Powermite® package uses matte tin-plated terminals and halogen-free molding compound. Compliance documentation, including test reports and declarations of conformity, is available upon request from Aetrix Electronics for the 1PMT5952E3/TR7 to support customer regulatory submissions and audit requirements.
1PMT5952E3/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):
- 130 V
- Tolerance:
- ±20%
- Power - Max:
- 3 W
- Impedance (Max) (Zzt):
- 450 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 98.8 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
1PMT5952E3/TR7 FAQ
1.How can I place an order for 1PMT5952E3/TR7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PMT5952E3/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 1PMT5952E3/TR7 reliable?
The price and inventory of 1PMT5952E3/TR7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PMT5952E3/TR7 is usually 5 days.
3.What payment methods are accepted for 1PMT5952E3/TR7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1PMT5952E3/TR7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1PMT5952E3/TR7?
1PMT5952E3/TR7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1PMT5952E3/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 1PMT5952E3/TR7?
For technical support, including 1PMT5952E3/TR7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PMT5952E3/TR7 requirements.
6.How does Aetrix verify that 1PMT5952E3/TR7 is sourced from the original manufacturer or authorized distributors?
All 1PMT5952E3/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 1PMT5952E3/TR7 meets industry standards.
7.What is the process for return or replacement of 1PMT5952E3/TR7?
All 1PMT5952E3/TR7 units undergo pre-shipment inspection (PSI). If there is an issue with 1PMT5952E3/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 1PMT5952E3/TR7 part is unused and in its original packaging.
Return procedure for 1PMT5952E3/TR7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1PMT5952E3/TR7 Tags
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