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Renesas RD62F-T7-AZ
- Part No.:
- RD62F-T7-AZ
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RD62F-T7-AZ.pdf
- Description:
- DIODE ZENER
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Product details
Overview
RD62F-T7-AZ from Renesas Electronics is a 1 W planar-type silicon Zener diode with a nominal zener voltage of 62 V (B grade: 58–66 V), dynamic impedance of 6 Ω at 10 mA, and temperature coefficient of +47 mV/°C. It features DO-41 glass-sealed DHD (Double Heatsink Diode) packaging and is rated for surge reverse power up to 400 W (t = 10 μs). It is used in precision voltage regulation and transient suppression circuits in industrial power supplies.
For engineers reviewing the RD62F-T7-AZ datasheet, RD62F-T7-AZ pinout, RD62F-T7-AZ application, or RD62F-T7-AZ equivalent, this page delivers verified electrical parameters, thermal behavior, JEDEC DO-41 terminal mapping, and validated alternative parts for voltage reference and surge clamping design.
Technical Context
This Zener diode operates in reverse breakdown mode with tightly controlled voltage tolerance (±6.5% for B grade), low dynamic impedance (6 Ω at IZ = 10 mA), and positive temperature coefficient (+47 mV/°C), making it suitable for stable reference generation where drift compensation is required. Its DO-41 package supports axial lead mounting and provides thermal resistance of ~200 °C/W (free air) per Figure 2.
The device meets absolute maximum ratings including 1.0 W steady-state power dissipation at TA = 25°C, junction temperature limit of 175°C, and surge reverse power of 400 W for 10 μs pulses. Reverse current is limited to 5 μA at VR = 47 V, confirming sharp knee characteristics for clipping applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 58–66 V (B grade, tested at 40 ms after power-on; defines clamping threshold in overvoltage protection) |
| Test Current (IZ) | 10 mA (standard bias point for VZ and ZZ measurement; sets minimum operating current for regulation) |
| Dynamic Impedance (ZZ) | 6 Ω (measured at 10 mA; indicates low AC impedance for stable voltage under varying load conditions) |
| Temperature Coefficient (γZ) | +47 mV/°C (positive drift rate; enables predictable compensation when paired with negative-coefficient devices) |
| Surge Reverse Power (PRSM) | 400 W (at t = 10 μs; supports single-event transient suppression without failure) |
| Power Dissipation (P) | 1.0 W (maximum continuous DC power at TA = 25°C; derates linearly above 25°C per Figure 1) |
| Reverse Current (IR) | 5 μA max at VR = 47 V (confirms low leakage below breakdown; critical for low-power standby circuits) |
Pinout & Package
RD62F-T7-AZ uses the JEDEC-standard DO-41 axial glass package (3.0 mm diameter × 5.0 mm length), with cathode indicated by a black band. The device has two terminals: anode and cathode - no internal connections or multi-pin configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential node in reverse-biased Zener operation; must be held ≤ VZ below cathode to avoid forward conduction |
| Cathode | Breakdown voltage reference terminal | Marked with black band; connected to higher-potential node; defines regulated output voltage relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| Wide zener voltage range (2–82 V) | Enables single-family standardization across diverse supply rail voltages in industrial and telecom systems |
| E24 series nominal values | Ensures compatibility with standard resistor and capacitor value selections in feedback networks |
| DO-41 glass-sealed DHD structure | Provides mechanical robustness and thermal stability for high-reliability board-level mounting |
| 175°C maximum junction temperature | Supports operation in enclosed enclosures or near heat-generating components without derating penalties |
| 400 W surge rating (10 μs) | Allows direct integration into input-stage transient protection without external TVS cascading |
Applications
| Industrial Power Supply Regulation | Overvoltage Protection Circuit |
|---|---|
|
Use Scenario: Stabilizing 60 V intermediate bus in programmable logic controller (PLC) power modules. IC Role / Device Role / Timing Role: Zener diode acting as shunt voltage reference for TL431-based feedback loop. Use Value: Maintains ±1.5% output regulation under 10–90% load step due to 6 Ω dynamic impedance and low temperature drift. |
Use Scenario: Clamping induced transients on 48 V DC distribution lines in factory automation I/O cards. IC Role / Device Role / Timing Role: Primary surge clamp limiting voltage spikes to <66 V during ESD or inductive switching events. Use Value: Absorbs 400 W peak surges (10 μs) without degradation, eliminating need for secondary TVS diodes. |
| Waveform Clipping in Signal Conditioning | Reference Voltage Source for ADC Biasing |
|
Use Scenario: Limiting analog sensor signal swing to ±62 V before feeding into isolation amplifier inputs. IC Role / Device Role / Timing Role: Bidirectional clipper (with series diode) defining hard voltage boundaries for signal integrity. Use Value: Sharp breakdown knee (5 μA @ 47 V) ensures minimal signal distortion below threshold and precise clipping onset. |
Use Scenario: Providing stable 62 V reference for 16-bit SAR ADC driver stage in test equipment front-end. IC Role / Device Role / Timing Role: Precision DC reference source with low noise and predictable thermal drift. Use Value: +47 mV/°C coefficient allows complementary drift cancellation when paired with NTC thermistors in calibration circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N5267BRLG (ON Semiconductor) | 62 V nominal, 500 mW rating, 10 Ω ZZ at 20 mA, DO-35 package | Lower power handling and higher dynamic impedance; unsuitable for >500 mW continuous dissipation | Select only for space-constrained designs where 1 W rating is not required and thermal margin is sufficient |
| BZX85C62 (Nexperia) | 62 V nominal, 1.3 W rating, 10 Ω ZZ at 5 mA, DO-41 package, ±5% tolerance | Tighter voltage tolerance but higher ZZ; lacks documented 400 W surge rating | Prefer for tighter regulation needs where surge immunity is secondary; verify pulse capability per application stress profile |
Compared with RD62F-T7-AZ, the 1N5267BRLG offers smaller footprint but sacrifices 50% power headroom and surge resilience, while BZX85C62 improves voltage accuracy at the cost of dynamic impedance and unverified transient performance - making RD62F-T7-AZ optimal for industrial-grade 1 W clamping with known 400 W pulse endurance.
Availability
RD62F-T7-AZ is available at Aetrix Electronics and suitable for industrial power supply regulation, overvoltage protection circuits, and waveform clipping applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for RD62F-T7-AZ 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
Renesas Electronics Corporation is a global semiconductor manufacturer formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and discrete power devices.
RD62F-T7-AZ belongs to the RD2.0F–RD82F planar Zener diode family, designed specifically for standardized voltage reference and transient suppression in industrial, computing, and communications equipment under the "Standard" quality grade.
FAQ
What is the zener voltage tolerance for RD62F-T7-AZ?
The RD62F-T7-AZ is specified in the B grade, with a zener voltage range of 58 V to 66 V at 10 mA test current. This ±6.5% tolerance is measured 40 ms after power-on per datasheet Note 1. The RD62F-T7-AZ does not offer tighter tolerances like B1/B2/B3 subgrades - those apply only to RD2.0F–RD39F variants.
Does RD62F-T7-AZ have a documented surge rating?
Yes, RD62F-T7-AZ has a specified surge reverse power rating of 400 W at pulse width t = 10 μs (Figure 7, datasheet D13936EJ5V0DS). This rating is validated under non-repetitive conditions and forms part of its absolute maximum ratings table. RD62F-T7-AZ is intended for single-event transient suppression, not repetitive surge duty.
What is the thermal resistance of RD62F-T7-AZ in free air?
The RD62F-T7-AZ exhibits a thermal resistance (Rth) of approximately 200 °C/W in free air (no heatsink), based on Figure 2 in the datasheet showing Rth vs. foil area for DO-41 packages. At 1.0 W dissipation, this results in ~200°C junction-to-ambient rise - hence derating is required above 25°C ambient per Figure 1.
Is RD62F-T7-AZ RoHS compliant?
Renesas Electronics confirms RoHS compliance for the RD2.0F–RD82F family, including RD62F-T7-AZ, per EU Directive 2011/65/EU. Lead-free termination and halogen-free materials are used; full compliance documentation is available via Renesas' environmental portal. RD62F-T7-AZ carries no exemptions and meets Pb-free soldering profiles.
Can RD62F-T7-AZ be used in automotive applications?
No - RD62F-T7-AZ is classified as "Standard" quality grade per Renesas documentation, approved only for computers, office equipment, communications gear, and industrial robots. It is not qualified for automotive use (which requires "High Quality" grade with AEC-Q101 validation), and Renesas explicitly prohibits its use in transportation equipment without written consent.
RD62F-T7-AZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- -
- Tolerance:
- -
- Power - Max:
- -
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
RD62F-T7-AZ FAQ
1.How can I place an order for RD62F-T7-AZ through Aetrix?
Please submit a Request for Quotation (RFQ) for RD62F-T7-AZ 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 RD62F-T7-AZ reliable?
The price and inventory of RD62F-T7-AZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RD62F-T7-AZ is usually 5 days.
3.What payment methods are accepted for RD62F-T7-AZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RD62F-T7-AZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RD62F-T7-AZ?
RD62F-T7-AZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RD62F-T7-AZ 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 RD62F-T7-AZ?
For technical support, including RD62F-T7-AZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RD62F-T7-AZ requirements.
6.How does Aetrix verify that RD62F-T7-AZ is sourced from the original manufacturer or authorized distributors?
All RD62F-T7-AZ 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 RD62F-T7-AZ meets industry standards.
7.What is the process for return or replacement of RD62F-T7-AZ?
All RD62F-T7-AZ units undergo pre-shipment inspection (PSI). If there is an issue with RD62F-T7-AZ, 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 RD62F-T7-AZ part is unused and in its original packaging.
Return procedure for RD62F-T7-AZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RD62F-T7-AZ Tags
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MM5Z5V1ST1G
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