Renesas RKZ13B2KG#P1
- Part No.:
- RKZ13B2KG#P1
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RKZ13B2KG#P1.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:

- Shipping:

Inventory:45,000
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Product details
Overview
RKZ13B2KG#P1 from Renesas Electronics is a silicon planar Zener diode designed for surge absorption and voltage stabilization in low-power signal and bias circuits, with a nominal Zener voltage of 13.2 V (min 12.91 V, max 13.49 V), 2 mW reverse current at 10 V, 35 Ω dynamic resistance at 5 mA, and 200 mW power dissipation on PCB.
For engineers reviewing the RKZ13B2KG#P1 datasheet, RKZ13B2KG#P1 pinout, RKZ13B2KG#P1 application, or RKZ13B2KG#P1 equivalent, this device serves as a compact, halogen-free, surface-mount voltage reference and transient suppressor in space-constrained industrial sensor interfaces, microcontroller I/O protection, and precision analog supply rails.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable voltage under varying load and temperature conditions. Its ultra-small URP (SC-76A) package enables high-density mounting, and its halogen-free construction complies with environmental standards without compromising electrical performance.
The device exhibits a negative temperature coefficient near 13 V (≈ –0.04 %/°C per Fig.2), enabling predictable drift behavior in temperature-sensitive references. It supports non-repetitive surge reverse power up to ~1.5 W for 10 ms (per Fig.4 reference curve), making it suitable for clamping ESD transients and line surges in low-energy nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 12.91–13.49 V at IZ = 5 mA - defines stable regulation range for bias/reference circuits |
| Reverse Current (IR) | ≤2 μA at VR = 10.0 V - ensures low leakage in standby or high-impedance sensing paths |
| Dynamic Resistance (rd) | 35 Ω at IZ = 5 mA - determines output impedance and load regulation sensitivity |
| Power Dissipation (Pd) | 200 mW on PCB - sets maximum continuous DC or average pulsed power handling |
| Junction Temperature (Tj) | –55 to +150 °C - supports operation in extended industrial ambient environments |
| ESD Capability | ±30 kV (HBM, C = 150 pF, R = 330 Ω) - provides robustness against human-body-model electrostatic discharge |
Pinout & Package
Package: Ultra Small Resin Package (URP), JEITA code SC-76A, Renesas code PTSP0002ZA-A, dimensions 1.70 × 0.90 × 0.45 mm (L × W × H), mass 0.004 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to regulated output or higher-potential node; reverse-biased during Zener operation |
| 2 | Anode | Connected to ground or lower-potential reference; completes conduction path during breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free & Pb-free construction | Complies with RoHS Directive and JEDEC J-STD-020 moisture sensitivity level (MSL) requirements for lead-free reflow |
| Ultra-small URP package | Enables placement in <1.0 mm² board area; compatible with 0402-class pick-and-place equipment |
| Taped and reel packaging | Supplied in 3,000-piece reels (P abbreviation), supporting automated SMT assembly without manual handling |
| Stable Zener voltage tolerance | ±2.2% typical (12.91–13.49 V) - reduces need for post-calibration in fixed-reference designs |
Applications
| Industrial Sensor Signal Conditioning | Microcontroller I/O Protection |
|---|---|
Use Scenario: Stabilizing excitation voltage for resistive bridge sensors (e.g., pressure, load cell) in factory automation modules. IC Role / Device Role / Timing Role: Zener reference diode providing precise, low-drift bias voltage for analog front-end amplifiers. Use Value: Maintains ±0.5% reference stability over –40 to +85°C ambient, minimizing sensor offset drift without trimming. |
Use Scenario: Clamping GPIO pins of ARM Cortex-M microcontrollers exposed to noisy industrial fieldbus lines. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor limiting input voltage to safe levels during ESD events. Use Value: Absorbs ±30 kV HBM ESD pulses without latch-up or parametric shift, preserving I/O integrity across 10,000+ cycles. |
| Precision Analog Supply Rail | Low-Power Battery Monitoring |
Use Scenario: Generating stable 13.2 V reference for ADC voltage dividers in portable test equipment. IC Role / Device Role / Timing Role: Shunt voltage regulator establishing accurate scaling ratio for 16-bit SAR ADC full-scale calibration. Use Value: Delivers <10 ppm/°C effective TC via circuit-level compensation, enabling <0.1% total measurement error. |
Use Scenario: Monitoring lithium-ion battery pack voltage in smart battery gauges with 12–14 V nominal range. IC Role / Device Role / Timing Role: Overvoltage detection element triggering shutdown when cell stack exceeds safe charging threshold. Use Value: Activates protection at 13.49 V with <1 μs response, preventing thermal runaway before BMS firmware intervenes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C13 (ON Semiconductor) | Same 13 V nominal Zener, but SOT-23 package (2.9 × 1.3 × 1.0 mm); 400 mW Pd; 30 Ω rd | Larger footprint; higher power rating suits higher-current regulation but less suited for ultra-dense layouts | Select when board space allows larger package and higher continuous power is required |
| MMSZ4689 (Vishay) | SOD-123 package (3.7 × 1.6 × 1.1 mm); 13 V nominal; 500 mW Pd; 30 Ω rd; RoHS-compliant | Higher thermal mass and dissipation; not halogen-free; different marking and tape format | Choose for legacy SOD-123 footprint compatibility or where higher surge energy absorption is prioritized |
Compared with BZX84-C13 and MMSZ4689, RKZ13B2KG#P1 offers the smallest footprint (URP/SC-76A), halogen-free compliance, and optimized ESD robustness (±30 kV), making it preferred for next-generation miniaturized industrial and portable electronics where board area and environmental compliance are critical.
Availability
RKZ13B2KG#P1 is available at Aetrix Electronics and suitable for industrial sensor interfaces, microcontroller I/O protection, and precision analog supply rails requiring stable component supply, consistent tape-and-reel delivery, and long-term lifecycle support.
Supply support for RKZ13B2KG#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 manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.
The RKZ-KG Series is part of Renesas' discrete Zener diode portfolio engineered for high-reliability surge absorption and voltage stabilization in compact, environmentally compliant surface-mount applications.
FAQ
What is the Zener voltage tolerance of RKZ13B2KG#P1?
The RKZ13B2KG#P1 has a guaranteed Zener voltage range of 12.91 V to 13.49 V at 5 mA test current, corresponding to ±2.2% tolerance around the nominal 13.2 V value. This tight spread ensures predictable regulation without post-production trimming in most industrial reference applications.
Is RKZ13B2KG#P1 compatible with lead-free reflow soldering processes?
Yes, RKZ13B2KG#P1 is halogen-free and Pb-free, meeting RoHS Directive requirements. Its URP package is qualified for standard lead-free reflow profiles (peak temperature ≤260°C), and the device is supplied in moisture-sensitive packaging rated per JEDEC J-STD-020.
What is the maximum reverse current specification for RKZ13B2KG#P1?
RKZ13B2KG#P1 specifies a maximum reverse current (IR) of 2 μA at VR = 10.0 V. This low leakage supports high-impedance bias networks and minimizes quiescent power loss in battery-powered monitoring circuits using RKZ13B2KG#P1.
Does RKZ13B2KG#P1 have ESD protection capability, and how is it tested?
Yes, RKZ13B2KG#P1 is rated for ±30 kV ESD per Human Body Model (HBM), tested with C = 150 pF and R = 330 Ω in both forward and reverse directions (10 pulses). This rating is verified per industry-standard IR specifications and applies directly to the RKZ13B2KG#P1 device.
What package type and dimensions does RKZ13B2KG#P1 use?
RKZ13B2KG#P1 uses the Ultra Small Resin Package (URP), also known as SC-76A, with dimensions of 1.70 mm (L) × 0.90 mm (W) × 0.45 mm (H) and a mass of 0.004 g. Its compact size supports high-density PCB layouts where space is constrained.
RKZ13B2KG#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:
- -
RKZ13B2KG#P1 FAQ
1.How can I place an order for RKZ13B2KG#P1 through Aetrix?
Please submit a Request for Quotation (RFQ) for RKZ13B2KG#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 RKZ13B2KG#P1 reliable?
The price and inventory of RKZ13B2KG#P1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RKZ13B2KG#P1 is usually 5 days.
3.What payment methods are accepted for RKZ13B2KG#P1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RKZ13B2KG#P1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RKZ13B2KG#P1?
RKZ13B2KG#P1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RKZ13B2KG#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 RKZ13B2KG#P1?
For technical support, including RKZ13B2KG#P1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RKZ13B2KG#P1 requirements.
6.How does Aetrix verify that RKZ13B2KG#P1 is sourced from the original manufacturer or authorized distributors?
All RKZ13B2KG#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 RKZ13B2KG#P1 meets industry standards.
7.What is the process for return or replacement of RKZ13B2KG#P1?
All RKZ13B2KG#P1 units undergo pre-shipment inspection (PSI). If there is an issue with RKZ13B2KG#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 RKZ13B2KG#P1 part is unused and in its original packaging.
Return procedure for RKZ13B2KG#P1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RKZ13B2KG#P1 Tags

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