Renesas RKZ6.2B2KG#P1
- Part No.:
- RKZ6.2B2KG#P1
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RKZ6.2B2KG#P1.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:

- Shipping:

Inventory:6,000
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Product details
Overview
RKZ6.2B2KG#P1 from Renesas Electronics is a silicon planar Zener diode designed for precision voltage stabilization and transient surge absorption in low-power signal and bias circuits. It delivers a nominal Zener voltage of 6.2 V (min 6.06 V, max 6.33 V) at 5 mA, with dynamic resistance of 50 Ω, power dissipation of 200 mW, and ESD capability of ±30 kV (HBM). It is commonly used in overvoltage protection for microcontroller I/O pins and reference voltage generation in sensor interfaces.
For engineers reviewing the RKZ6.2B2KG#P1 datasheet, RKZ6.2B2KG#P1 pinout, RKZ6.2B2KG#P1 application, or RKZ6.2B2KG#P1 equivalent, key selection criteria include its tight 6.2 V Zener tolerance, ultra-low dynamic impedance, halogen-free URP package compatibility with high-density SMT layouts, and robust ESD immunity-critical for industrial sensing and automotive body electronics.
Technical Context
This device operates as a two-terminal voltage-reference and clamping element, leveraging silicon planar junction technology to maintain stable reverse breakdown under controlled current. Its Zener voltage exhibits a positive temperature coefficient near 6.2 V (≈+0.04 %/°C), minimizing drift across –55°C to +150°C operating range.
The RKZ6.2B2KG#P1 is optimized for low-current stabilization (IZ = 5 mA) and fast transient suppression, with non-repetitive surge reverse power rated up to ~1.2 W for 100 ms pulses. Its halogen-free, Pb-free URP package supports automated assembly and meets JEITA standard PTSP0002ZA-A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.06–6.33 V at IZ = 5 mA - ensures precise 6.2 V reference with ±2.2% tolerance for stable biasing |
| Dynamic Resistance (rd) | 50 Ω max at IZ = 5 mA - enables low output impedance for effective noise rejection in reference paths |
| Power Dissipation (Pd) | 200 mW at Ta = 25°C - supports continuous operation in compact PCB layouts without forced cooling |
| ESD Capability | ±30 kV HBM (C = 150 pF, R = 330 Ω) - provides intrinsic I/O-level ESD protection without external TVS stacking |
| Reverse Current (IR) | 2 μA max at VR = 3.0 V - guarantees minimal leakage in high-impedance sensing nodes |
| Junction Temperature (Tj) | 150°C max - allows reliable operation in under-hood or enclosed industrial enclosures |
Pinout & Package
Package: Ultra Small Resin Package (URP), JEITA code PTSP0002ZA-A, SC-76A footprint (1.25 mm × 0.80 mm × 0.45 mm), halogen-free and Pb-free compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to higher-potential node; reverse-biased terminal where Zener breakdown occurs |
| 2 | Anode | Connected to lower-potential node (typically GND or signal return); completes bias path for regulation |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free & Pb-free construction | Complies with RoHS and JGPSSI standards; eliminates hazardous substances for global compliance |
| Ultra-small URP package | 0.8 mm width enables placement in space-constrained IoT sensor modules and wearable PCBs |
| Taped delivery (3,000 pcs/reel) | Supports high-speed pick-and-place assembly without manual handling or orientation errors |
| High ESD immunity (±30 kV HBM) | Reduces need for supplemental ESD protection components in front-end analog input stages |
Applications
| Industrial Sensor Signal Conditioning | Microcontroller I/O Protection |
|---|---|
|
Use Scenario: Stabilizing excitation voltage for resistive bridge sensors (e.g., pressure or load cells) in PLC analog input modules. IC Role / Device Role / Timing Role: Zener diode providing fixed 6.2 V reference for ADC bias and ratiometric scaling. Use Value: Tight 6.2 V tolerance and low 50 Ω dynamic resistance minimize measurement error due to supply ripple or thermal drift. |
Use Scenario: Clamping GPIO pins on ARM Cortex-M microcontrollers exposed to noisy 12 V automotive bus transients. IC Role / Device Role / Timing Role: Two-terminal transient voltage suppressor limiting pin voltage to ≤6.33 V during ESD or load-dump events. Use Value: ±30 kV HBM rating and fast response protect internal ESD structures without adding layout area or BOM cost. |
| Low-Power Reference Voltage Source | Surge-Absorbing Bias Network |
|
Use Scenario: Generating stable 6.2 V reference for op-amp comparators in battery-powered smoke detectors. IC Role / Device Role / Timing Role: Precision Zener acting as shunt regulator in ultra-low-quiescent-current bias chain. Use Value: 2 μA max reverse leakage at 3.0 V preserves battery life while maintaining accuracy over temperature. |
Use Scenario: Absorbing repetitive surges in RS-485 termination networks subjected to lightning-induced ground potential differences. IC Role / Device Role / Timing Role: Surge-absorbing Zener placed between differential pair and local ground to clamp common-mode transients. Use Value: Non-repetitive surge power rating supports >1 W pulses for 100 ms, enabling robust field deployment without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584-C6V2 (Nexperia) | Same 6.2 V nominal Zener, but 90 Ω max rd; 350 mW Pd; SOD-523 package (1.3 × 0.85 mm) | Higher power rating suits higher-energy transients; larger package may impact ultra-dense layouts | Select when surge energy exceeds RKZ6.2B2KG#P1's 200 mW limit but board space permits SOD-523 |
| MMSZ4687 (ON Semiconductor) | 6.2 V nominal, 60 Ω max rd, 500 mW Pd, SOD-123 package (3.7 × 1.6 mm) | Higher power and larger footprint; not suitable for miniaturized designs requiring URP size | Choose for legacy designs using SOD-123 footprints or where higher continuous dissipation is required |
Compared with BZX584-C6V2 and MMSZ4687, RKZ6.2B2KG#P1 offers the smallest footprint (URP), lowest dynamic resistance (50 Ω), and highest ESD rating (±30 kV), making it optimal for space-constrained, high-reliability signal conditioning-though its 200 mW limit requires careful thermal design in sustained surge scenarios.
Availability
RKZ6.2B2KG#P1 is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body electronics, and low-power reference circuits requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for RKZ6.2B2KG#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 SoC solutions for automotive, industrial, and enterprise systems.
The RKZ-KG Series is part of Renesas' discrete protection portfolio, engineered specifically for high-density, environmentally compliant Zener stabilization and surge absorption in modern surface-mount applications.
FAQ
What is the Zener voltage tolerance of RKZ6.2B2KG#P1?
The RKZ6.2B2KG#P1 has a specified Zener voltage range of 6.06 V to 6.33 V at 5 mA test current, corresponding to a ±2.2% tolerance around the nominal 6.2 V rating. This tight tolerance ensures predictable clamping and reference behavior in precision analog circuits without requiring post-production calibration.
Does RKZ6.2B2KG#P1 support lead-free reflow soldering?
Yes, RKZ6.2B2KG#P1 is Pb-free and halogen-free, qualified for standard lead-free reflow profiles (J-STD-020, peak temp ≤260°C). Its URP package uses matte tin plating and complies with JEDEC moisture sensitivity level MSL1, eliminating pre-bake requirements for most SMT lines.
Can RKZ6.2B2KG#P1 be used as a replacement for older RKZ6.2BKG variants?
No-RKZ6.2B2KG#P1 belongs to the RKZ-KG "B2" variant group with tighter Zener tolerance (±2.2%) and improved dynamic resistance (50 Ω), whereas legacy RKZ6.2BKG parts have wider tolerances and higher rd. Substitution requires validation of circuit margin against the updated electrical characteristics.
What is the maximum allowable reverse voltage before breakdown for RKZ6.2B2KG#P1?
The RKZ6.2B2KG#P1 begins controlled Zener breakdown at approximately 6.06 V. Below this, reverse leakage remains ≤2 μA at 3.0 V. Applying reverse voltage above 6.33 V without current limiting risks thermal runaway; always use a series resistor to restrict IZ to ≤5 mA for stable operation.
Is RKZ6.2B2KG#P1 suitable for automotive applications?
RKZ6.2B2KG#P1 is rated for junction temperatures up to 150°C and meets AEC-Q200 stress test recommendations for passive components. While not AEC-Q200 certified out-of-box, it is widely deployed in non-safety-critical automotive body electronics (e.g., door module sensors) when validated per customer qualification protocols.
RKZ6.2B2KG#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:
- -
RKZ6.2B2KG#P1 FAQ
1.How can I place an order for RKZ6.2B2KG#P1 through Aetrix?
Please submit a Request for Quotation (RFQ) for RKZ6.2B2KG#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 RKZ6.2B2KG#P1 reliable?
The price and inventory of RKZ6.2B2KG#P1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RKZ6.2B2KG#P1 is usually 5 days.
3.What payment methods are accepted for RKZ6.2B2KG#P1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RKZ6.2B2KG#P1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RKZ6.2B2KG#P1?
RKZ6.2B2KG#P1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RKZ6.2B2KG#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 RKZ6.2B2KG#P1?
For technical support, including RKZ6.2B2KG#P1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RKZ6.2B2KG#P1 requirements.
6.How does Aetrix verify that RKZ6.2B2KG#P1 is sourced from the original manufacturer or authorized distributors?
All RKZ6.2B2KG#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 RKZ6.2B2KG#P1 meets industry standards.
7.What is the process for return or replacement of RKZ6.2B2KG#P1?
All RKZ6.2B2KG#P1 units undergo pre-shipment inspection (PSI). If there is an issue with RKZ6.2B2KG#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 RKZ6.2B2KG#P1 part is unused and in its original packaging.
Return procedure for RKZ6.2B2KG#P1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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