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Microchip Technology 1N4759CPE3/TR12
- Part No.:
- 1N4759CPE3/TR12
- Manufacturer:
- Microchip Technology
- Category:
- Single Zener Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
1N4759CPE3/TR12.pdf
- Description:
- DIODE ZENER 62V 1W DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:6,108
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Product details
Overview
1N4759CPE3/TR12 from Microsemi is a 62 V, ±2% tolerance, 1 W silicon Zener diode in DO-41 plastic package, rated for 4.0 mA test current (IZT), 125 Ω dynamic impedance (ZZT), and 5 μA reverse leakage at 47.1 V (VR), used for precision voltage regulation in power supply feedback and reference circuits.
For engineers reviewing the 1N4759CPE3/TR12 datasheet, 1N4759CPE3/TR12 pinout, 1N4759CPE3/TR12 application, or 1N4759CPE3/TR12 equivalent, key selection criteria include Zener voltage tolerance (±2%), thermal resistance (45 °C/W junction-to-lead), surge current rating (2000 mA), RoHS-compliant matte-tin plating, and tape-and-reel packaging (TR12).
Technical Context
This device operates in reverse-biased breakdown mode to maintain stable output voltage across varying load and line conditions. Its 62 V nominal Zener voltage exhibits a positive temperature coefficient above ~5.6 V, with typical TC of +3.5 mV/°C per Figure 3 in the datasheet.
The 1N4759CPE3/TR12 delivers regulated voltage over a broad operating current range (IZK = 0.25 mA to IZM = 70 mA at TA = 50 °C) and temperature range (–65 °C to +150 °C), with low knee impedance (14 Ω at IZK) ensuring sharp turn-on characteristics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 62 V ±2% at 4.0 mA - ensures tight regulation accuracy for feedback references requiring <±2.5% total error budget. |
| Power Dissipation | 1.0 W at TL < 105 °C - supports continuous operation in compact linear regulator designs with adequate lead heatsinking. |
| Dynamic Impedance (ZZT) | 125 Ω at IZT = 4.0 mA - limits output voltage variation under dynamic load changes; lower than 1N4759A (125 Ω vs. 125 Ω, same value but tighter tolerance improves consistency). |
| Reverse Leakage (IR) | 5 μA max at VR = 47.1 V - minimizes quiescent current loss in high-impedance bias networks. |
| Surge Current (ISM) | 2000 mA (½-sine, 1/120 s) - withstands transient overvoltage events without degradation in protection circuits. |
| Thermal Resistance | 45 °C/W junction-to-lead (3/8″ lead length) - enables thermal design using standard axial-lead mounting without forced airflow. |
| Operating Temperature | –65 °C to +150 °C - suitable for automotive under-hood and industrial control environments with wide ambient swings. |
Pinout & Package
DO-41 (JEDEC DO-204AL) plastic axial-leaded package with cathode indicated by band; terminals are non-polarized for through-hole mounting; body material is UL94V-0 void-free epoxy.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or low-side reference point; reverse voltage applied between cathode and anode to activate regulation. |
| Cathode | Zener breakdown terminal / regulated output node | Banded end; connected to unregulated input; supplies stable 62 V to feedback divider or reference load when reverse-biased. |
Key Features
| Feature | Design Value |
|---|---|
| ±2% Zener voltage tolerance (C suffix) | Reduces need for post-production trimming in precision voltage references and analog sensor excitation circuits. |
| RoHS-compliant matte-tin plating (e3 suffix) | Enables lead-free reflow soldering per JEDEC J-STD-020B Level 1 moisture sensitivity without dry-pack requirement. |
| Tape-and-reel packaging (TR12 suffix) | Supports automated SMT placement compatibility despite axial-leaded form factor via carrier tape indexing. |
| Low knee impedance (14 Ω at IZK = 0.25 mA) | Ensures stable regulation even at very low bias currents, critical for battery-powered standby circuits. |
| Nonsensitive to ESD (MIL-STD-750 Method 1020) | Eliminates need for on-board ESD protection during handling and assembly in high-volume manufacturing. |
Applications
| Switch-Mode Power Supply Feedback | Industrial Sensor Reference |
|---|---|
Use Scenario: Used in optocoupler-coupled feedback loop of isolated DC-DC converters to regulate output voltage within ±1%. IC Role / Device Role / Timing Role: Zener reference element setting precise 62 V threshold for TL431-like shunt regulator interface. Use Value: ±2% tolerance ensures feedback accuracy dominates system error budget; 125 Ω ZZT minimizes load-induced drift under dynamic output loading. | Use Scenario: Provides stable excitation voltage for strain-gauge Wheatstone bridges in pressure transducers operating from –40 °C to +85 °C. IC Role / Device Role / Timing Role: Precision voltage reference source replacing higher-cost IC references where 62 V matches bridge full-scale design. Use Value: Low TC drift and 14 Ω knee impedance maintain bridge balance stability across temperature; DO-41 package allows direct PCB mounting near sensing element. |
| Overvoltage Protection Clamp | Programmable Logic Controller Input Conditioning |
Use Scenario: Clamps transient surges on 48 V DC bus lines in telecom equipment to protect downstream DC-DC converters. IC Role / Device Role / Timing Role: Fast-acting shunt protection device absorbing 2000 mA surge pulses without failure. Use Value: 2000 mA ISM rating handles repetitive lightning-induced transients; 45 °C/W thermal resistance enables self-healing after clamping events. | Use Scenario: Conditions 24 V digital input signals in PLC backplanes by clamping negative transients and establishing logic-high reference. IC Role / Device Role / Timing Role: Bidirectional transient suppressor combined with series resistor to define logic thresholds. Use Value: 5 μA IR at 47.1 V prevents false triggering during normal operation; RoHS-compliant plating ensures compatibility with lead-free PCB finishes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4759A | Same 62 V nominal, but ±5% tolerance (A suffix) and no RoHS compliance (no e3 suffix) | Acceptable where cost-sensitive designs tolerate wider regulation error; not suitable for lead-free assembly. | Select only if RoHS exemption applies and ±5% VZ tolerance meets system spec. |
| MMSZ5259ET1G | Surface-mount SOD-123 package, 62 V ±5%, 500 mW rating, 150 Ω ZZT | Used in space-constrained PCBs; lower power rating requires derating above 70 °C ambient. | Choose for high-density layouts where axial leads are impractical; verify thermal margin at target ambient. |
Compared with 1N4759A and MMSZ5259ET1G, the 1N4759CPE3/TR12 offers superior voltage accuracy (±2% vs. ±5%), guaranteed RoHS compliance, and higher surge capability (2000 mA vs. 1000 mA), making it optimal for industrial-grade feedback and protection where long-term stability and process compliance are mandatory.
Availability
1N4759CPE3/TR12 is available at Aetrix Electronics and suitable for switch-mode power supply feedback, industrial sensor reference, and overvoltage protection applications requiring stable component supply, consistent parametric performance, and RoHS-compliant manufacturing support.
Supply support for 1N4759CPE3/TR12 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 and mixed-signal components for aerospace, defense, and industrial markets.
The 1N47xxAP series was designed specifically for robust, cost-effective voltage regulation in harsh-environment power systems, emphasizing thermal stability, ESD immunity, and long-term parameter consistency across military and commercial temperature ranges.
FAQ
What is the Zener voltage tolerance of the 1N4759CPE3/TR12?
The 1N4759CPE3/TR12 has a Zener voltage tolerance of ±2%, denoted by the "C" suffix in the part number. This means its nominal 62 V Zener voltage is guaranteed between 60.76 V and 63.24 V when measured at 4.0 mA test current and 25 °C lead temperature. This tighter tolerance improves regulation accuracy compared to the ±5% 1N4759A variant and directly supports precision feedback and reference applications where system-level error budgets are constrained.
Does the 1N4759CPE3/TR12 meet RoHS requirements?
Yes, the 1N4759CPE3/TR12 meets RoHS requirements, confirmed by the "e3" suffix indicating RoHS-compliant annealed matte-tin plating. It is qualified for lead-free reflow soldering per JEDEC J-STD-020B Level 1 moisture sensitivity, with no dry pack required. The device's UL94V-0 epoxy body and tin-plated terminals ensure full compliance with Directive 2011/65/EU and subsequent amendments, making it suitable for export-controlled and environmentally regulated electronics production programs.
What is the maximum surge current rating for the 1N4759CPE3/TR12?
The 1N4759CPE3/TR12 has a maximum surge current (ISM) rating of 2000 mA, measured using a ½-sine wave pulse of 1/120 second duration at 25 °C ambient. This rating reflects its ability to absorb transient overvoltage energy without permanent degradation, supporting use in clamping circuits exposed to lightning-induced surges or inductive switching spikes. The 45 °C/W junction-to-lead thermal resistance enables effective heat dissipation during such short-duration events, preserving long-term reliability in protection applications.
How does the thermal resistance of the 1N4759CPE3/TR12 affect PCB layout?
With a junction-to-lead thermal resistance of 45 °C/W (measured at 3/8″ lead length from body), the 1N4759CPE3/TR12 requires minimal copper area for thermal management-unlike surface-mount alternatives needing large thermal pads. Standard axial-lead mounting on FR4 with 1 mm track width and 4 mm² copper pads achieves 105 °C/W junction-to-ambient, allowing operation up to 45 °C ambient at full 1 W dissipation. This simplifies layout for through-hole power supplies and eliminates need for thermal vias or oversized pours.
Can the 1N4759CPE3/TR12 be used in place of the 1N4759A?
The 1N4759CPE3/TR12 can replace the 1N4759A in most applications but offers improved specifications: ±2% vs. ±5% Zener tolerance, RoHS-compliant plating (e3), and tape-and-reel packaging (TR12). Electrically, both share identical 62 V nominal voltage, 4.0 mA IZT, and DO-41 package. However, the 1N4759CPE3/TR12 is not a drop-in replacement in leaded-assembly processes due to its matte-tin finish, and its tighter tolerance may require validation in existing feedback loops calibrated for ±5% variation.
1N4759CPE3/TR12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 62 V
- Tolerance:
- ±2%
- Power - Max:
- 1 W
- Impedance (Max) (Zzt):
- 125 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 47.1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 200 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
1N4759CPE3/TR12 FAQ
1.How can I place an order for 1N4759CPE3/TR12 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1N4759CPE3/TR12 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 1N4759CPE3/TR12 reliable?
The price and inventory of 1N4759CPE3/TR12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N4759CPE3/TR12 is usually 5 days.
3.What payment methods are accepted for 1N4759CPE3/TR12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N4759CPE3/TR12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1N4759CPE3/TR12?
1N4759CPE3/TR12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1N4759CPE3/TR12 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 1N4759CPE3/TR12?
For technical support, including 1N4759CPE3/TR12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N4759CPE3/TR12 requirements.
6.How does Aetrix verify that 1N4759CPE3/TR12 is sourced from the original manufacturer or authorized distributors?
All 1N4759CPE3/TR12 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 1N4759CPE3/TR12 meets industry standards.
7.What is the process for return or replacement of 1N4759CPE3/TR12?
All 1N4759CPE3/TR12 units undergo pre-shipment inspection (PSI). If there is an issue with 1N4759CPE3/TR12, 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 1N4759CPE3/TR12 part is unused and in its original packaging.
Return procedure for 1N4759CPE3/TR12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1N4759CPE3/TR12 Tags
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