Microchip Technology 1PMT5932A/TR13
- Part No.:
- 1PMT5932A/TR13
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-216AA
- Datasheet:
-
1PMT5932A/TR13.pdf
- Description:
- DIODE ZENER 20V 3W DO216AA
- Quantity:
- Payment:

- Shipping:

Inventory:2,978
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Product details
Overview
1PMT5932A/TR13 from Microsemi is a 20 V, 3.0 W surface-mount Zener diode in the Powermite® package, featuring a full metallic bottom to prevent solder flux entrapment and an integral heat sink locking tab for enhanced thermal dissipation. It delivers tight voltage regulation (±5% tolerance), low reverse leakage (≤1 µA at 15.2 V), and ESD robustness (>16 kV HBM), commonly used for overvoltage protection in DC power rails and voltage reference circuits.
For engineers reviewing the 1PMT5932A/TR13 datasheet, 1PMT5932A/TR13 pinout, 1PMT5932A/TR13 application, or 1PMT5932A/TR13 equivalent, key selection criteria include zener voltage accuracy, thermal resistance (30°C/W junction-to-tab), dynamic impedance (14 Ω at 18.7 mA), knee current (0.25 mA), and compatibility with EIA-481 tape-and-reel automated assembly.
Technical Context
This Zener diode operates as a precision voltage clamp and reference element in regulated power supplies and protection circuits. Its Powermite® package integrates a metallic tab (TAB 1) serving as both cathode terminal and primary thermal path, enabling 3.0 W power dissipation at 60°C tab temperature.
The device exhibits stable regulation across -55°C to +150°C junction temperature range, with zener voltage specified at 20 V ±5% under 18.7 mA test current (IZT), 30°C tab temperature. Dynamic impedance of 14 Ω and knee impedance of 650 Ω support low-noise, low-drift performance near breakdown threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 20 V ±5% at IZT = 18.7 mA - defines clamping threshold for overvoltage protection |
| Power Dissipation | 3.0 W at TAB 1 = 60°C - enables high-power SMT operation without external heatsink |
| Dynamic Impedance (ZZT) | 14 Ω at IZT - ensures minimal voltage shift under load current variation |
| Knee Current (IZK) | 0.25 mA - establishes minimum bias current for stable regulation onset |
| Reverse Leakage (IR) | ≤1 µA at VR = 15.2 V - guarantees low standby power loss in sensing/reference paths |
| Thermal Resistance | 30°C/W junction-to-TAB1 - allows accurate thermal design using tab as thermal interface |
| ESD Rating | >16 kV HBM - provides robust handling in automated manufacturing and field environments |
Pinout & Package
Package: Powermite® surface-mount molded package with full metallic bottom and integral heat sink locking tab; cathode designated by TAB 1; weight ≈ 0.016 g; compliant with EIA-481 tape-and-reel standard (13-inch reel, 12,000 pcs).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TAB 1 | Cathode | Primary current return path and thermal interface - must be soldered to copper pour for rated 3.0 W dissipation |
| Lead 2 | Anode | Standard anode connection - reverse-biased during zener operation; no thermal function |
Key Features
| Feature | Design Value |
|---|---|
| Full metallic bottom | Eliminates solder flux entrapment during reflow - improves long-term reliability and void-free solder joints |
| Integral heat sink locking tab | Provides mechanical anchoring and direct thermal conduction path - reduces thermal resistance by ~40% vs. standard SOD-123 |
| Low dynamic impedance (14 Ω) | Minimizes output voltage deviation under transient load changes - critical for precision reference stability |
| ESD rating >16 kV HBM | Withstands human-body model discharge without parameter shift - reduces test screening and field failure risk |
Applications
| DC Power Rail Protection | Voltage Reference Circuit |
|---|---|
Use Scenario: Clamping 24 V industrial control bus against load dump transients up to 40 V. IC Role / Device Role / Timing Role: Zener diode acting as shunt overvoltage protector, diverting surge current to ground. Use Value: Maintains rail integrity below 20.5 V (20 V × 1.025) during sustained overvoltage, preventing downstream IC damage. | Use Scenario: Providing stable 20 V reference for ADC biasing in data acquisition modules. IC Role / Device Role / Timing Role: Precision voltage reference source with low dynamic impedance and minimal temperature drift. Use Value: Enables ≤0.5% full-scale error in 12-bit ADC systems due to tight 5% VZ tolerance and 14 Ω ZZT. |
| Automated Test Equipment (ATE) Supply Monitoring | Telecom Line Card Surge Suppression |
Use Scenario: Monitoring +15 V supply in ATE channel cards for brown-out detection. IC Role / Device Role / Timing Role: Zener-based comparator input reference with low leakage (<1 µA). Use Value: Ensures reliable trip point at 14.25 V (20 V × 0.7125) with negligible current draw on monitored rail. | Use Scenario: Secondary protection stage after gas discharge tube (GDT) on 48 V telecom line interfaces. IC Role / Device Role / Timing Role: Fast-response clamping element limiting residual voltage to safe levels. Use Value: Limits let-through voltage to ≤20.5 V during 10/700 µs surges, protecting downstream PHY ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor 1N5932B | Same 20 V nominal VZ, ±5%, but DO-41 through-hole package; 1.2 W rating; higher ZZT (20 Ω) | Requires PCB through-hole mounting; unsuitable for high-density SMT layouts | Select 1PMT5932A/TR13 when board space, thermal performance, or automated assembly are priorities |
| Vishay MMBZ5242B-TP | SOT-23 package; 20 V VZ, ±5%; 0.35 W rating; ZZT = 23 Ω; thermal resistance >200°C/W | Limited to low-power signal-level clamping; cannot replace 3.0 W primary rail protection | Choose 1PMT5932A/TR13 where ≥3.0 W dissipation and metal-tab thermal management are required |
Compared with 1N5932B and MMBZ5242B-TP, the 1PMT5932A/TR13 uniquely combines 3.0 W SMT power handling, 30°C/W thermal resistance via TAB 1, and flux-free metallic bottom - making it the only option for high-reliability, high-power, automated-production Zener applications.
Availability
1PMT5932A/TR13 is available at Aetrix Electronics and suitable for DC power rail protection, voltage reference circuits, automated test equipment monitoring, and telecom line card surge suppression requiring stable component supply and consistent tape-and-reel delivery.
Supply support for 1PMT5932A/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 semiconductor manufacturer specializing in high-reliability analog, mixed-signal, and radiation-hardened components for aerospace, defense, and industrial markets.
The Powermite® Zener diode product line was designed for high-power surface-mount voltage regulation and transient suppression in space-constrained, thermally demanding environments - emphasizing mechanical robustness, flux-free assembly, and repeatable parametric performance.
FAQ
What is the zener voltage tolerance for 1PMT5932A/TR13?
The 1PMT5932A/TR13 has a standard zener voltage tolerance of ±5% at 20 V nominal, measured at 18.7 mA test current and 30°C tab temperature. Tighter tolerances (±2% and ±1%) are available with suffixes C and D respectively, but the base part number 1PMT5932A/TR13 specifies ±5%.
How is thermal management handled in the 1PMT5932A/TR13 package?
The 1PMT5932A/TR13 uses its metallic TAB 1 as the primary thermal conduction path, achieving 30°C/W junction-to-tab thermal resistance. Effective heat dissipation requires soldering TAB 1 to a minimum 100 mm² copper pour; this design eliminates reliance on lead-frame conduction and supports full 3.0 W rating at 60°C tab temperature.
Is the 1PMT5932A/TR13 compatible with automated pick-and-place equipment?
Yes, the 1PMT5932A/TR13 is fully compatible with automated insertion equipment. Its Powermite® package features a unique locking tab that aids orientation and placement stability, and it ships in EIA-481-compliant tape-and-reel format (13-inch reel, 12,000 pieces), meeting industry standards for high-speed SMT assembly.
What is the maximum reverse leakage current for 1PMT5932A/TR13?
The maximum reverse leakage current for 1PMT5932A/TR13 is 1 µA at a reverse voltage of 15.2 V, measured at 30°C tab temperature. This low IR value ensures minimal power loss in voltage reference and high-impedance sensing applications where standby current must be tightly controlled.
Does the 1PMT5932A/TR13 have ESD protection built-in?
Yes, the 1PMT5932A/TR13 has an ESD rating exceeding 16 kV per the Human Body Model (HBM), verified per ANSI/ESDA/JEDEC JS-001. This intrinsic robustness eliminates the need for external ESD protection in handling and board-level integration, reducing BOM count and layout complexity.
1PMT5932A/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):
- 20 V
- Tolerance:
- ±10%
- Power - Max:
- 3 W
- Impedance (Max) (Zzt):
- 14 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 15.2 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
1PMT5932A/TR13 FAQ
1.How can I place an order for 1PMT5932A/TR13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1PMT5932A/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 1PMT5932A/TR13 reliable?
The price and inventory of 1PMT5932A/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PMT5932A/TR13 is usually 5 days.
3.What payment methods are accepted for 1PMT5932A/TR13?
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1PMT5932A/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1PMT5932A/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 1PMT5932A/TR13?
For technical support, including 1PMT5932A/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PMT5932A/TR13 requirements.
6.How does Aetrix verify that 1PMT5932A/TR13 is sourced from the original manufacturer or authorized distributors?
All 1PMT5932A/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 1PMT5932A/TR13 meets industry standards.
7.What is the process for return or replacement of 1PMT5932A/TR13?
All 1PMT5932A/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1PMT5932A/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 1PMT5932A/TR13 part is unused and in its original packaging.
Return procedure for 1PMT5932A/TR13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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