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Renesas RKZ36BKV#P1
- Part No.:
- RKZ36BKV#P1
- Manufacturer:
- Renesas
- Category:
- Single Zener Diodes
- Package:
- -
- Datasheet:
-
RKZ36BKV#P1.pdf
- Description:
- DIODE ZENER
- Quantity:
- Payment:
- Shipping:
Inventory:87,000
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Product details
Overview
RKZ36BKV#P1 from Renesas Electronics is a silicon planar Zener diode designed for precision voltage regulation in low-power analog and reference circuits, featuring a nominal zener voltage of 36 V (min 34.0 V, max 38.0 V), 700 mW power dissipation, 90 Ω dynamic resistance at 2 mA test current, and ESD capability of ±30 kV (HBM, C = 150 pF, R = 330 Ω). It operates as a two-terminal shunt regulator in feedback loops, voltage clamping, and overvoltage protection circuits.
For engineers reviewing the RKZ36BKV#P1 datasheet, RKZ36BKV#P1 pinout, RKZ36BKV#P1 application, or RKZ36BKV#P1 equivalent, this device is selected for stable reference generation in sensor signal conditioning, industrial power supply feedback networks, and compact DC-DC converter biasing where tight voltage tolerance and surface-mount compatibility are required.
Technical Context
This Zener diode employs a planar diffusion structure to achieve stable reverse breakdown characteristics with low temperature coefficient drift - typical γZ near –0.04 %/°C at 36 V, confirmed by Figure 2 in REJ03G1700-0100. Its SRP-F flat-lead package enables high-density SMT placement while maintaining thermal performance up to 150°C junction temperature.
Electrical behavior is defined under pulsed test conditions (Pw = 40 ms) to minimize self-heating effects; the 2 mA zener test current ensures operation within the knee region for predictable regulation, and the 10 µA maximum reverse leakage at 27 V supports low-quiescent-current designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 34.0–38.0 V at IZ = 2 mA - defines regulated output range for reference or clamp applications |
| Dynamic Resistance (rd) | 90 Ω max at IZ = 2 mA - determines load regulation error and ripple rejection capability |
| Power Dissipation (Pd) | 700 mW at Ta = 25°C on 50 × 50 mm PCB - sets maximum continuous power handling in standard layout |
| ESD Capability | ±30 kV HBM (C = 150 pF, R = 330 Ω) - qualifies for robustness in handling and board-level ESD events |
| Junction Temperature (Tj) | –55 to +150°C - enables use in extended-temperature industrial environments without derating |
| Reverse Leakage (IR) | ≤10 µA at VR = 27 V - ensures minimal parasitic current in standby or high-impedance nodes |
Pinout & Package
Package: SRP-F (Small Resin Package Flat lead type), JEITA code LP, Renesas code PWSF0002ZB-A - 2-pin surface-mount package with cathode-marked top-side marking and 0.6 mm lead pitch; dimensions per Page 5: L = 2.5 mm, W = 1.2 mm, t = 0.9 mm, mass = 0.0084 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to regulated output node; reverse-biased terminal during zener operation |
| 2 | Anode | Connected to ground or lower-potential rail; completes current path during regulation |
Key Features
| Feature | Design Value |
|---|---|
| Taped delivery (3,000 pcs/reel) | Enables automated SMT placement without manual handling or orientation errors |
| SRP-F flat-lead package | Reduces PCB footprint to 2.5 × 1.2 mm and supports >10,000 units/in² assembly density |
| Low dynamic resistance (90 Ω) | Minimizes output voltage deviation under load transients in precision reference circuits |
| High ESD immunity (±30 kV HBM) | Eliminates need for external ESD protection in board-level handling and field deployment |
| Stable temperature coefficient | γZ ≈ –0.04 %/°C near 36 V - reduces drift-induced error in temperature-varying environments |
Applications
| Industrial Sensor Signal Conditioning | Switch-Mode Power Supply Feedback |
|---|---|
|
Use Scenario: Providing stable 36 V reference for bridge amplifier excitation and ADC biasing in pressure/temperature transducers. IC Role / Device Role / Timing Role: Shunt voltage reference establishing fixed bias point for op-amp gain stages and ratiometric scaling. Use Value: Tight 34.0–38.0 V tolerance and low rd ensure <±0.5% reference stability across 0–70°C ambient range. |
Use Scenario: Setting precise output voltage threshold in optocoupler-coupled feedback loop of isolated 24 V DC-DC converter. IC Role / Device Role / Timing Role: Zener clamp defining upper limit of TL431 control voltage range to prevent overregulation. Use Value: 700 mW Pd and 90 Ω rd allow direct integration into feedback divider without series resistor derating. |
| Overvoltage Protection Clamp | Microcontroller I/O Protection |
|
Use Scenario: Clamping 36 V rail against surge transients in factory automation I/O modules exposed to inductive switching noise. IC Role / Device Role / Timing Role: Two-terminal transient suppressor diverting excess energy to ground when input exceeds 38 V. Use Value: ±30 kV HBM rating and 2 mA test current ensure reliable clamping without premature degradation during repeated surges. |
Use Scenario: Protecting 3.3 V microcontroller GPIO pins from accidental 24 V miswiring in programmable logic controller (PLC) input cards. IC Role / Device Role / Timing Role: Series Zener limiter placed between field input and MCU pin to clamp fault voltage below absolute maximum ratings. Use Value: Low leakage (<10 µA at 27 V) prevents false triggering, while 36 V breakdown avoids interference with normal 24 V logic signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C36LT1G | 36 V nominal (34.2–37.8 V), SOT-23, 350 mW Pd, rd = 90 Ω, 10 µA IR @ 28.8 V | Lower power rating requires series resistor derating in >200 mW applications; smaller footprint but higher thermal resistance | Select when board space is constrained and power demand ≤200 mW; verify thermal margin on FR-4 |
| MMSZ5245B-TP | 36 V nominal (34.2–37.8 V), SOD-123, 500 mW Pd, rd = 110 Ω, 10 µA IR @ 28.8 V | Higher rd degrades regulation accuracy under load variation; same ESD rating (±30 kV) | Choose for cost-sensitive production where ±1.5% regulation tolerance is acceptable and thermal design allows 500 mW limit |
Compared with RKZ36BKV#P1, BZX84-C36LT1G offers smaller size but reduced power handling, while MMSZ5245B-TP trades 200 mW lower dissipation and higher impedance for broader distributor availability - RKZ36BKV#P1 remains optimal for 700 mW, low-rd, and high-reliability industrial use cases.
Availability
RKZ36BKV#P1 is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, switch-mode power supply feedback, and overvoltage protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for RKZ36BKV#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 industrial, automotive, and infrastructure markets.
The RKZ-KV Series was developed specifically for high-stability, surface-mount Zener regulation in compact industrial power management and sensing systems - emphasizing low dynamic resistance, high ESD resilience, and consistent parametric distribution across voltage grades.
FAQ
What is the zener voltage tolerance of RKZ36BKV#P1?
The RKZ36BKV#P1 has a guaranteed zener voltage range of 34.0 V to 38.0 V at a test current of 2 mA, corresponding to ±5.6% tolerance about the nominal 36 V rating. This specification is verified per REJ03G1700-0100 Rev.1.00, page 2, and applies under pulsed test conditions (Pw = 40 ms) to avoid thermal drift during measurement. The RKZ36BKV#P1 maintains this tolerance across its qualified operating temperature range.
Does RKZ36BKV#P1 require a series current-limiting resistor in circuit?
Yes, RKZ36BKV#P1 must be used with an external series resistor to limit forward current and maintain operation within its 700 mW power dissipation limit. For example, at 48 V input and 36 V regulation, a minimum 360 Ω resistor is needed to restrict current to 33 mA (1.2 W without resistor). The RKZ36BKV#P1 datasheet specifies absolute maximum ratings assuming proper external biasing - it does not include internal current limiting.
What is the thermal resistance junction-to-ambient for RKZ36BKV#P1?
The RKZ36BKV#P1 thermal resistance (RθJA) is not explicitly specified in REJ03G1700-0100, but its 700 mW power rating is defined with device mounted on a 50 × 50 mm glass-epoxy board (1.6 mm thick) with 10 × 10 mm solder land - implying RθJA ≈ 143°C/W under that standardized condition. Derating curves on page 4 confirm linear reduction to zero dissipation at 150°C ambient, confirming the RKZ36BKV#P1's suitability for convection-cooled industrial enclosures.
Is RKZ36BKV#P1 RoHS compliant and halogen-free?
Yes, RKZ36BKV#P1 meets RoHS Directive 2011/65/EU requirements and is halogen-free per Renesas' environmental compliance documentation. The SRP-F package uses lead-free matte tin plating, and all materials comply with JEDEC J-STD-609A Class 1 definition for halogen content (<900 ppm Br, <900 ppm Cl, total halogens <1500 ppm). This status applies to RKZ36BKV#P1 manufactured after April 2010, as confirmed by Renesas' public compliance portal.
Can RKZ36BKV#P1 be used in place of a 33 V or 39 V Zener diode?
No - RKZ36BKV#P1 is not a functional substitute for 33 V or 39 V Zeners due to its specific 34.0–38.0 V breakdown range. Using it in a circuit designed for 33 V risks overvoltage damage to downstream components; using it where 39 V is required may cause insufficient clamping. The RKZ36BKV#P1 belongs to the RKZ-KV family with discrete voltage grades - each part number (e.g., RKZ33BKV, RKZ39BKV) is individually characterized and calibrated.
RKZ36BKV#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:
- -
RKZ36BKV#P1 FAQ
1.How can I place an order for RKZ36BKV#P1 through Aetrix?
Please submit a Request for Quotation (RFQ) for RKZ36BKV#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 RKZ36BKV#P1 reliable?
The price and inventory of RKZ36BKV#P1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RKZ36BKV#P1 is usually 5 days.
3.What payment methods are accepted for RKZ36BKV#P1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RKZ36BKV#P1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RKZ36BKV#P1?
RKZ36BKV#P1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RKZ36BKV#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 RKZ36BKV#P1?
For technical support, including RKZ36BKV#P1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RKZ36BKV#P1 requirements.
6.How does Aetrix verify that RKZ36BKV#P1 is sourced from the original manufacturer or authorized distributors?
All RKZ36BKV#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 RKZ36BKV#P1 meets industry standards.
7.What is the process for return or replacement of RKZ36BKV#P1?
All RKZ36BKV#P1 units undergo pre-shipment inspection (PSI). If there is an issue with RKZ36BKV#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 RKZ36BKV#P1 part is unused and in its original packaging.
Return procedure for RKZ36BKV#P1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RKZ36BKV#P1 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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MMSZ4682T1G
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BZT52C15S-7-F
Diodes Incorporated
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MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
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BZT52C3V6LP-7
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SMAZ12-13-F
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