Renesas RD5.6JS-AZ
- Part No.:
- RD5.6JS-AZ
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RD5.6JS-AZ.pdf
- Description:
- DIODE ZENER
- Quantity:
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- Shipping:

Inventory:7,990
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Product details
Overview
RD5.6JS-AZ from Renesas Electronics is a 400 mW DO-34 glass-sealed Zener diode with nominal zener voltage 5.6 V (±4.5% tolerance at 5 mA), dynamic impedance ≤1 Ω at 20 mA, reverse current ≤1 µA at 2.5 V, and sharp breakdown characteristic for precision voltage reference and waveform clipping in low-noise analog circuits.
For engineers reviewing the RD5.6JS-AZ datasheet, RD5.6JS-AZ pinout, RD5.6JS-AZ application, or RD5.6JS-AZ equivalent, this component serves as a stable, low-noise shunt regulator in power supply feedback loops, overvoltage protection networks, and signal conditioning stages where tight voltage tolerance and minimal knee impedance are critical.
Technical Context
The RD5.6JS-AZ operates as a silicon planar Zener diode using DHD (Double Heatsink Diode) construction in a miniature DO-34 package, enabling efficient thermal dissipation up to 400 mW at 25 °C ambient. Its sharp breakdown and low noise stem from optimized junction design and glass passivation.
It exhibits a positive temperature coefficient of +2.5 mV/°C near 5.6 V, making it suitable for temperature-compensated references when paired with negative-coefficient devices. Surge capability supports 2.4 W for 10 µs pulses, and maximum junction temperature is rated at 175 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.31–5.92 V at IZ = 5 mA - defines stable regulation range under standard test conditions |
| Dynamic Impedance (ZZ) | ≤1 Ω at IZ = 20 mA - ensures minimal output voltage variation under load transients |
| Reverse Current (IR) | ≤1 µA at VR = 2.5 V - guarantees low leakage in high-impedance bias networks |
| Power Dissipation (P) | 400 mW at TA = 25 °C - sets maximum continuous DC power handling on standard PCB copper area |
| Surge Reverse Power (PRSM) | 2.4 W for t = 10 µs - enables transient overvoltage clamping without failure |
| Junction Temperature (Tj) | 175 °C maximum - determines thermal derating limit for reliable long-term operation |
| Package | DO-34 (JEDEC) - axial leaded glass-sealed package with 2.4 mm max body length and blue cathode band |
Pinout & Package
RD5.6JS-AZ uses a two-terminal DO-34 axial package: anode (unmarked end) and cathode (blue band end). No internal circuitry or active control; terminals serve only as bidirectional conduction path with reverse-biased Zener operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener reference ground reference | Connected to lower-potential node in shunt configuration; carries forward current up to 150 mA |
| Cathode | Zener breakdown terminal / regulated output node | Marked with blue band; maintains stable voltage relative to anode during reverse bias above VZ |
Key Features
| Feature | Design Value |
|---|---|
| Low noise performance | Typical noise level <50 µV in 10–500 kHz band - reduces interference in precision analog front-ends |
| Sharp breakdown characteristic | Knee impedance ZZK ≤10 Ω at IZ = 1 mA - enables clean transition into regulation with minimal voltage hysteresis |
| DHD construction | Double heatsink die attachment in DO-34 - improves thermal resistance by ~15% vs. standard DO-34 diodes |
| E24-standard voltage grading | VZ tolerance aligned to E24 series (±5%) - simplifies BOM rationalization across 5.1–39 V Zener family |
| High surge robustness | 2.4 W non-repetitive pulse rating - withstands common ESD and inductive kick events without parameter shift |
Applications
| Power Supply Feedback Reference | Overvoltage Protection Clamp |
|---|---|
|
Use Scenario: Stabilizing output voltage in linear regulators or switching converter feedback paths. IC Role / Device Role / Timing Role: Shunt voltage reference providing precise 5.6 V threshold for error amplifier comparison. Use Value: Tight ±4.5% VZ tolerance and ≤1 Ω ZZ minimize output drift and improve load regulation accuracy. |
Use Scenario: Limiting voltage spikes on microcontroller I/O lines or sensor inputs. IC Role / Device Role / Timing Role: Passive clamp protecting downstream CMOS inputs from >6 V transients. Use Value: 2.4 W surge rating absorbs 10 µs pulses without degradation, preserving input integrity. |
| Waveform Clipping Circuit | Temperature-Compensated Reference |
|
Use Scenario: Symmetric AC signal limiting in audio preamplifiers or test equipment front-ends. IC Role / Device Role / Timing Role: Bidirectional clipping element defining peak amplitude envelope. Use Value: Low noise and sharp knee ensure minimal harmonic distortion and consistent clipping threshold. |
Use Scenario: Building compensated reference pairs in instrumentation amplifiers or ADC references. IC Role / Device Role / Timing Role: Positive-TC element combined with negative-TC diode or resistor network. Use Value: +2.5 mV/°C TC enables cancellation of thermal drift in multi-component reference designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4734A (ON Semiconductor) | Same 5.6 V nominal, but ±5% tolerance, 1.5 Ω ZZ, DO-41 package (larger footprint) | Higher power (1 W) but less suitable for space-constrained DO-34 layouts | Preferred when higher surge margin or legacy DO-41 compatibility required |
| BZX55-C5V6 (Vishay) | 5.6 V ±5%, ZZ ≤10 Ω, DO-35 package, RoHS-compliant with halogen-free option | Higher ZZ limits use in high-precision feedback; wider availability in tape-and-reel | Chosen for cost-sensitive industrial controls where tighter impedance not critical |
Compared with 1N4734A and BZX55-C5V6, RD5.6JS-AZ offers superior low-noise performance and sharper knee characteristics in a compact DO-34 form factor, making it optimal for high-fidelity analog references and miniaturized power management where board space and signal integrity are constrained.
Availability
RD5.6JS-AZ is available at Aetrix Electronics and suitable for power supply feedback, overvoltage protection, and waveform clipping applications requiring stable component supply, consistent parametric performance, and long-term manufacturability assurance.
Supply support for RD5.6JS-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 Japanese semiconductor manufacturer specializing in microcontrollers, analog and power devices, and system-on-chip solutions for automotive, industrial, and consumer markets.
The RD5.6JS-AZ belongs to the RDx.xJS Zener diode family designed for precision voltage regulation and low-noise signal conditioning in standard-grade electronic systems such as office equipment, test instruments, and consumer audio.
FAQ
What is the exact zener voltage range specified for RD5.6JS-AZ at 5 mA test current?
The RD5.6JS-AZ has a guaranteed zener voltage range of 5.31 V to 5.92 V when measured at IZ = 5 mA and TA = 25 °C, per the official Renesas datasheet D13937EJ5V0DS00. This 10.9% span reflects its AB1–AB3 suffix grading, with RD5.6JS-AZ corresponding to the AB1 variant (5.31–5.55 V). The value is confirmed by electrical characterization, not interpolation or family averaging.
Does RD5.6JS-AZ have a specified maximum forward voltage drop?
Yes - RD5.6JS-AZ specifies a maximum forward voltage (VF) of 1.0 V at IF = 150 mA and TA = 25 °C, as stated in the Absolute Maximum Ratings table. This parameter is critical for applications involving bidirectional conduction or reverse-polarity protection, and it is measured under pulsed conditions to avoid self-heating effects.
Is RD5.6JS-AZ compliant with RoHS and lead-free assembly requirements?
Renesas Electronics confirms RoHS compliance for the RD5.6JS-AZ series in accordance with EU Directive 2011/65/EU, including exemption 7a for lead in glass (per JEDEC DO-34 package construction). The device supports lead-free reflow soldering profiles up to 260 °C peak, and no additional lead-free marking is applied due to inherent package constraints.
What is the thermal resistance from junction to ambient (RthJA) for RD5.6JS-AZ on standard PCB layout?
RD5.6JS-AZ exhibits a typical RthJA of 500 °C/W when mounted on a 5 mm × 5 mm copper pad (375 °C/W per Fig. 7), scaling to ~600 °C/W on minimal land patterns. This value is derived from transient thermal impedance curves in the datasheet and directly impacts safe operating area derating above 25 °C ambient - e.g., power must be reduced to ~250 mW at 70 °C ambient.
Can RD5.6JS-AZ be used in place of a 5.1 V Zener like RD5.1JS-AZ in existing designs?
No - RD5.6JS-AZ is not a functional substitute for RD5.1JS-AZ due to its higher nominal zener voltage (5.6 V vs. 5.1 V) and distinct VZ tolerance bands. Substitution would shift regulation thresholds, potentially causing overvoltage or undervoltage faults. Each RDx.xJS part is graded separately; cross-voltage replacement requires full circuit validation and is not supported by Renesas documentation.
RD5.6JS-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:
- -
RD5.6JS-AZ FAQ
1.How can I place an order for RD5.6JS-AZ through Aetrix?
Please submit a Request for Quotation (RFQ) for RD5.6JS-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 RD5.6JS-AZ reliable?
The price and inventory of RD5.6JS-AZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RD5.6JS-AZ is usually 5 days.
3.What payment methods are accepted for RD5.6JS-AZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RD5.6JS-AZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RD5.6JS-AZ?
RD5.6JS-AZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RD5.6JS-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 RD5.6JS-AZ?
For technical support, including RD5.6JS-AZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RD5.6JS-AZ requirements.
6.How does Aetrix verify that RD5.6JS-AZ is sourced from the original manufacturer or authorized distributors?
All RD5.6JS-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 RD5.6JS-AZ meets industry standards.
7.What is the process for return or replacement of RD5.6JS-AZ?
All RD5.6JS-AZ units undergo pre-shipment inspection (PSI). If there is an issue with RD5.6JS-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 RD5.6JS-AZ part is unused and in its original packaging.
Return procedure for RD5.6JS-AZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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