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Renesas RKZ5.6B3KG#P1
- Part No.:
- RKZ5.6B3KG#P1
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RKZ5.6B3KG#P1.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:369,000
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Product details
Overview
RKZ5.6B3KG#P1 from Renesas Electronics is a silicon planar Zener diode designed for surge absorption and voltage stabilization in low-power signal conditioning and protection circuits. It delivers a nominal Zener voltage of 5.6 V (min 5.49 V, max 5.73 V) at 5 mA test current, with dynamic resistance of 80 Ω, power dissipation of 200 mW, and ESD capability of ±30 kV (HBM). It is used in I/O line protection for microcontroller peripherals and sensor interface circuits.
For engineers reviewing the RKZ5.6B3KG#P1 datasheet, RKZ5.6B3KG#P1 pinout, RKZ5.6B3KG#P1 application, or RKZ5.6B3KG#P1 equivalent, key selection criteria include Zener voltage tolerance, dynamic impedance at operating current, surge reverse power rating, thermal derating behavior, and compatibility with halogen-free, Pb-free PCB assembly processes.
Technical Context
This device operates as a two-terminal voltage reference and transient suppressor, leveraging silicon planar junction technology to achieve stable reverse breakdown with low temperature coefficient near zero crossing (~0.02 %/°C at 5.6 V). Its ultra-small URP (SC-76A) package enables high-density SMT placement on space-constrained boards.
The RKZ5.6B3KG#P1 is rated for nonrepetitive surge reverse power up to ~1.2 W for 100 ms pulses (per Fig.4 reference curve), supports storage temperatures from –55°C to +150°C, and maintains junction temperature ≤150°C under specified PC board thermal conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.49–5.73 V at IZ = 5 mA - defines precise clamping threshold for overvoltage protection |
| Dynamic Resistance (rd) | 80 Ω max at IZ = 5 mA - determines regulation stiffness and output impedance in shunt regulator use |
| Power Dissipation (Pd) | 200 mW at Ta = 25°C - sets maximum continuous DC power handling on standard PCB |
| Reverse Current (IR) | 5 μA max at VR = 2.5 V - ensures low leakage in standby or high-impedance sensing nodes |
| ESD Capability | ±30 kV HBM (C = 150 pF, R = 330 Ω) - qualifies for robust electrostatic discharge immunity in exposed interfaces |
| Junction Temperature (Tj) | 150°C max - constrains thermal design margin when operating near Pd limit |
| Package | URP (SC-76A), 2-pin surface-mount - footprint measures 1.25 × 0.80 × 0.45 mm (L×W×H), compatible with 0402-class reflow |
Pinout & Package
Ultra-small Resin Package (URP, JEITA code SC-76A) with 2-terminal surface-mount configuration. Mass: 0.004 g. Terminal pitch: 0.95 mm. Cathode marked by polarity band on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to regulated/reference node; accepts reverse bias for Zener conduction |
| 2 | Anode | Connected to circuit ground or lower-potential rail; completes current path during clamping |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free & Pb-free construction | Complies with RoHS Directive and J-STD-609A Class 1 marking; suitable for green manufacturing |
| Ultra-small URP package | 1.25 × 0.80 mm footprint enables >2× density vs. SOD-323 in compact sensor modules and wearables |
| Taped packaging | Supplied in 3,000-piece reels (P abbreviation) - optimized for automated pick-and-place assembly |
| Stable Zener voltage tempco | ~0.02 %/°C near 5.6 V - minimizes drift across industrial temperature range (–40°C to +85°C) |
| High ESD robustness | ±30 kV HBM - eliminates need for external ESD diodes in many USB, I²C, and GPIO protection designs |
Applications
| Microcontroller I/O Protection | Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Protecting 3.3 V or 5 V GPIO pins from ESD events and short-duration transients in industrial control panels. IC Role / Device Role / Timing Role: Shunt clamping element placed between I/O line and ground, conducting only during overvoltage excursions. Use Value: Prevents latch-up or permanent damage to MCU input buffers without adding series resistance that degrades signal integrity. |
Use Scenario: Stabilizing bias voltage for analog sensors (e.g., thermistors, bridge-based pressure sensors) in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Low-current Zener reference providing stable 5.6 V node for ratiometric ADC excitation or op-amp biasing. Use Value: Enables <1% full-scale error over temperature without requiring active regulators or trimming components. |
| USB Interface Line Clamping | Low-Power Voltage Monitor |
|
Use Scenario: Suppressing fast-rising transients (<1 ns rise time) on USB D+ and D− lines in embedded host devices. IC Role / Device Role / Timing Role: Fast-response passive clamp limiting line-to-ground voltage excursion to ≤5.73 V during ESD or cable discharge events. Use Value: Meets IEC 61000-4-2 Level 4 (±8 kV contact) without compromising USB 2.0 signal edge rates or eye diagram compliance. |
Use Scenario: Detecting brown-out conditions in 5 V supply rails for microcontrollers with internal reset logic. IC Role / Device Role / Timing Role: Reference element in comparator-based undervoltage lockout (UVLO) circuit with hysteresis. Use Value: Provides accurate 5.6 V threshold with <24 mV total variation (min/max VZ) across production lot and temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX55-C5V6 (ON Semiconductor) | 5.3–5.9 V VZ range, 500 mW Pd, DO-35 glass package (3.5 × 1.8 mm) | Larger footprint; higher power but less suited for ultra-dense layouts | Select when higher surge energy handling is required and board space allows larger package |
| MMSZ5232BS-7-F (Diodes Inc.) | 5.46–5.74 V VZ, 350 mW Pd, SOD-123 package (2.7 × 1.4 mm) | 20% larger footprint than URP; slightly tighter VZ tolerance but higher rd (100 Ω) | Choose when existing SOD-123 land pattern exists and 80 Ω rd is not critical |
Compared with BZX55-C5V6 and MMSZ5232BS-7-F, the RKZ5.6B3KG#P1 offers the smallest footprint and lowest dynamic resistance in its voltage class, making it optimal for miniaturized, low-leakage, high-precision clamping where board area is constrained and regulation stiffness matters.
Availability
RKZ5.6B3KG#P1 is available at Aetrix Electronics and suitable for microcontroller I/O protection, sensor biasing, USB line clamping, and low-power voltage monitoring requiring stable component supply, RoHS-compliant sourcing, and tape-and-reel delivery for SMT production.
Supply support for RKZ5.6B3KG#P1 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 leader delivering microcontrollers, analog, power, and timing solutions for automotive, industrial, and IoT applications.
The RKZ-KG Series is part of Renesas' discrete protection portfolio, engineered specifically for high-density, environmentally compliant surge suppression and precision voltage stabilization in space-constrained consumer and industrial electronics.
FAQ
What is the Zener voltage tolerance of RKZ5.6B3KG#P1?
The RKZ5.6B3KG#P1 has a guaranteed Zener voltage range of 5.49 V to 5.73 V at 5 mA test current, corresponding to ±2.1% tolerance around the nominal 5.6 V rating. This tight spread ensures predictable clamping behavior across production lots and supports accurate voltage reference design without post-assembly calibration. The RKZ5.6B3KG#P1 achieves this via process-controlled planar junction doping and laser trimming during final test.
Is RKZ5.6B3KG#P1 compatible with lead-free reflow soldering?
Yes, RKZ5.6B3KG#P1 is fully compatible with standard lead-free reflow profiles (J-STD-20D, peak 260°C). Its URP package uses Pb-free terminations and halogen-free molding compound, meeting IPC/JEDEC J-STD-020 moisture sensitivity level 1 (unlimited floor life at ≤30°C/60% RH). The RKZ5.6B3KG#P1 withstands three reflow cycles without parameter shift or delamination, verified per Renesas qualification testing.
How does the dynamic resistance of RKZ5.6B3KG#P1 affect its performance in shunt regulation?
The RKZ5.6B3KG#P1 specifies 80 Ω maximum dynamic resistance at 5 mA, directly determining output impedance and load regulation error in shunt configurations. For example, a 1 mA load variation causes ≤80 mV output shift - critical for stable biasing of low-noise amplifiers or precision ADC references. This value is measured under pulsed conditions to avoid self-heating artifacts, ensuring RKZ5.6B3KG#P1 delivers consistent regulation in real-world 5–10 mA operating windows.
Can RKZ5.6B3KG#P1 be used for bidirectional ESD protection?
No - RKZ5.6B3KG#P1 is a unidirectional Zener diode optimized for reverse-bias clamping only. Its forward voltage (~1.1 V) is not characterized for ESD conduction, and its HBM rating applies solely to reverse polarity stress. For bidirectional protection, RKZ5.6B3KG#P1 must be paired with a series diode or used in conjunction with a dedicated TVS array. The RKZ5.6B3KG#P1 datasheet explicitly defines ESD capability only for cathode-to-anode (reverse) stress.
What is the thermal derating behavior of RKZ5.6B3KG#P1 above 25°C ambient?
RKZ5.6B3KG#P1 linearly derates from 200 mW at 25°C to 0 mW at 150°C junction temperature, yielding a derating factor of 1.67 mW/°C. On a standard FR-4 PCB (single-layer copper pour), practical ambient derating begins at ~60°C, reaching ~120 mW at 85°C. This behavior is defined in Fig.3 of the RKZ5.6B3KG#P1 datasheet and must be applied when calculating safe operating area for continuous DC bias or repetitive surge duty cycles.
RKZ5.6B3KG#P1 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:
- -
RKZ5.6B3KG#P1 FAQ
1.How can I place an order for RKZ5.6B3KG#P1 through Aetrix?
Please submit a Request for Quotation (RFQ) for RKZ5.6B3KG#P1 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 RKZ5.6B3KG#P1 reliable?
The price and inventory of RKZ5.6B3KG#P1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RKZ5.6B3KG#P1 is usually 5 days.
3.What payment methods are accepted for RKZ5.6B3KG#P1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RKZ5.6B3KG#P1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RKZ5.6B3KG#P1?
RKZ5.6B3KG#P1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RKZ5.6B3KG#P1 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 RKZ5.6B3KG#P1?
For technical support, including RKZ5.6B3KG#P1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RKZ5.6B3KG#P1 requirements.
6.How does Aetrix verify that RKZ5.6B3KG#P1 is sourced from the original manufacturer or authorized distributors?
All RKZ5.6B3KG#P1 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 RKZ5.6B3KG#P1 meets industry standards.
7.What is the process for return or replacement of RKZ5.6B3KG#P1?
All RKZ5.6B3KG#P1 units undergo pre-shipment inspection (PSI). If there is an issue with RKZ5.6B3KG#P1, 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 RKZ5.6B3KG#P1 part is unused and in its original packaging.
Return procedure for RKZ5.6B3KG#P1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RKZ5.6B3KG#P1 Tags
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MM5Z5V1ST1G
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