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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Zener Diode Arrays

Diodes Incorporated BZX84C3V6S-7-F

Name: BZX84C3V6S-7-F
Brand: Diodes Incorporated
SKU: BZX84C3V6S-7-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BZX84C3V6S-7-F

Manufacturer:: Diodes Incorporated

Category:: Zener Diode Arrays

Package:: 6-TSSOP, SC-88, SOT-363

Datasheet:: BZX84C3V6S-7-F.pdf

Description:: DIODE ZENER ARRAY 3.6V SOT363

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Product details

Overview

BZX84C3V6S-7-F from Diodes Incorporated is a dual 200 mW surface-mount Zener diode in SOT-363 package, rated for nominal 3.6 V zener voltage (3.4–3.8 V range at 5 mA), with 90 Ω dynamic impedance at test current and <5.0 µA reverse leakage at 1.0 V. It serves as a precision voltage reference or overvoltage clamp in low-power analog signal conditioning circuits.

For engineers reviewing the BZX84C3V6S-7-F datasheet, BZX84C3V6S-7-F pinout, BZX84C3V6S-7-F application, or BZX84C3V6S-7-F equivalent, key selection criteria include zener tolerance (±5.6%), thermal resistance (625 °C/W), ultra-small SOT-363 footprint, dual-diode configuration, and RoHS-compliant matte tin plating.

Technical Context

This dual Zener diode integrates two independent 3.6 V zener elements in a single SOT-363 package, sharing no internal connection - terminals C1/A1 and C2/A2 form two isolated anode-cathode pairs. Each diode operates with a specified test current of 5.0 mA and exhibits a temperature coefficient of –3.5 to 0 mV/°C.

The device uses planar die construction for stable breakdown characteristics and is characterized for operation across –65 °C to +150 °C ambient. Its 200 mW power dissipation is derated linearly above 25 °C per the published power derating curve, with junction-to-ambient thermal resistance fixed at 625 °C/W on FR4 board with recommended pad layout.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	3.6 V nominal, 3.4–3.8 V min/max at I_ZT = 5 mA - defines stable regulation point under typical bias
Zener Impedance (Z_ZT)	90 Ω max at 1 kHz and I_ZT = 5 mA - limits output voltage variation under load transients
Reverse Leakage (I_R)	≤5.0 µA at V_R = 1.0 V - ensures minimal quiescent current in standby clamping
Power Dissipation (P_D)	200 mW at T_A = 25 °C - sets maximum continuous DC or pulsed power in standard layout
Thermal Resistance (R_θJA)	625 °C/W - determines junction temperature rise per mW on FR4 with specified copper pads
Operating Temperature	–65 °C to +150 °C - supports industrial and automotive under-hood environments
Package	SOT-363 (SC-70-6) - 2.2 mm × 1.35 mm × 0.9 mm footprint with six terminals, two active diodes

Pinout & Package

SOT-363 plastic surface-mount package with six terminals: two cathodes (C1, C2), two anodes (A1, A2), and two no-connect (NC) pins. Molded UL 94V-0 plastic case; matte tin-plated Alloy 42 leadframe; moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
C1	Cathode of Diode 1	Connected to regulated node or reference rail; reverse-biased during zener operation
A1	Anode of Diode 1	Ground or lower-potential return path for first zener element
NC	No Connection	Unbonded terminal; must remain unconnected in PCB layout
NC	No Connection	Unbonded terminal; must remain unconnected in PCB layout
A2	Anode of Diode 2	Independent ground or return for second zener element
C2	Cathode of Diode 2	Second regulated output node; electrically isolated from C1/A1 pair

Key Features

Feature	Design Value
Dual independent Zener elements	Two isolated 3.6 V regulation paths in one SOT-363 footprint - reduces board area vs. discrete dual placement
Planar die construction	Ensures repeatable breakdown voltage and low parameter drift over temperature and life
Lead-free / RoHS compliant	Matte tin finish over Alloy 42 leadframe - meets global environmental compliance without solderability penalty
Ultra-small SOT-363 package	2.2 mm × 1.35 mm footprint - enables high-density routing in space-constrained portable and sensor modules

Applications

Industrial Sensor Signal Conditioning

USB Port Overvoltage Protection

Use Scenario: Stabilizing reference voltage for 12-bit ADC front-end in temperature/humidity transmitters.

IC Role / Device Role / Timing Role: Dual Zener provides matched 3.6 V reference for ADC VREF and clamps op-amp output swing to prevent rail-to-rail saturation.

Use Value: Tight 3.4–3.8 V tolerance and low 90 Ω Z_ZT maintain <0.5 LSB error across –40 °C to +85 °C operating range.

Use Scenario: Protecting USB 2.0 D+ and D− lines from ESD-induced overvoltage during hot-plug events.

IC Role / Device Role / Timing Role: One diode clamps D+ to 3.6 V, the other clamps D− to ground - bidirectional transient suppression without signal distortion.

Use Value: Dual configuration enables symmetrical clamping with <5 µA leakage at 1 V - preserves USB signal integrity and bus enumeration timing.

Low-Power IoT Node Voltage Regulation

Automotive Cabin Controller Reference

Use Scenario: Generating stable 3.6 V bias for RF transceiver LDO input in battery-powered BLE modules.

IC Role / Device Role / Timing Role: Zener regulates LDO enable threshold and supplies clean reference to wake-up comparator.

Use Value: 200 mW rating supports 5 mA continuous draw; –65 °C to +150 °C rating ensures reliability in wide ambient swings.

Use Scenario: Providing accurate 3.6 V reference for microcontroller ADC measuring HVAC actuator feedback.

IC Role / Device Role / Timing Role: Dual diode allows redundant reference generation - one for main MCU, one for safety monitor circuit.

Use Value: Matched zener voltage tolerance (±5.6%) and identical tempco (–3.5 to 0 mV/°C) ensure correlated drift between channels.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual Zener diode applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MMBZ5227BS-7-F	Single 3.6 V Zener in SOT-323; 200 mW; 90 Ω Z_ZT; same V_Z tolerance	Requires two devices for dual functionality; larger total footprint than SOT-363	Select when board layout permits separate placement and cost-per-diode optimization is prioritized
BZX84C3V6LT1G	Single 3.6 V Zener in SOT-23; 350 mW rating; 90 Ω Z_ZT; wider V_Z range (3.4–3.9 V)	Higher power but no dual-element integration; incompatible pinout and footprint	Select when higher power margin is required and dual-channel operation is not needed

Compared with MMBZ5227BS-7-F and BZX84C3V6LT1G, BZX84C3V6S-7-F uniquely delivers two matched 3.6 V Zeners in one ultra-compact SOT-363 package - reducing component count, PCB area, and inter-device parameter mismatch in dual-reference or differential-clamp designs.

Availability

BZX84C3V6S-7-F is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, USB port overvoltage protection, and low-power IoT node voltage regulation requiring stable component supply and RoHS-compliant sourcing.

Supply support for BZX84C3V6S-7-F 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability, application-optimized components for industrial, computing, and consumer markets.

The BZX84C series belongs to Diodes' precision Zener diode product line, engineered for stable voltage reference and clamping in space-constrained, low-power systems where dual-element integration improves design efficiency.

FAQ

What is the maximum reverse voltage this device can withstand before breakdown?

The BZX84C3V6S-7-F has a nominal zener voltage of 3.6 V with a guaranteed range of 3.4 V to 3.8 V at 5 mA test current. Breakdown occurs within this band - it is not rated for sustained reverse voltage above 3.8 V. At 1.0 V reverse bias, leakage remains ≤5.0 µA, confirming non-breakdown behavior below the zener knee.

Can both Zener diodes operate simultaneously with independent current paths?

Yes - C1/A1 and C2/A2 form two fully isolated anode-cathode pairs. No internal connection exists between them. Each diode supports up to 5 mA test current independently, enabling simultaneous use in separate signal chains, such as dual ADC references or differential clamping networks.

Is this part suitable for automotive applications per AEC-Q200?

No - BZX84C3V6S-7-F is not AEC-Q200 qualified. While its operating temperature range (–65 °C to +150 °C) overlaps with automotive requirements, Diodes Incorporated does not list this variant in its AEC-Q200 stress-tested portfolio. For automotive use, consider the AEC-Q200-qualified BZX84C3V6HE3-TP.

How does the SOT-363 package affect thermal performance compared to SOT-23?

The SOT-363 package has higher thermal resistance (625 °C/W) than typical SOT-23 Zeners (~350–450 °C/W) due to smaller copper pad area and dual-die layout. Derating begins immediately above 25 °C ambient; at 70 °C, maximum allowable power drops to ~140 mW. Use only with verified FR4 pad layout per Diodes AP02001.

BZX84C3V6S-7-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 6-TSSOP, SC-88, SOT-363

Packaging:: Tape & Reel (TR)

Product Status:: Active

Configuration:: 2 Independent

Voltage - Zener (Nom) (Vz):: 3.6 V

Tolerance:: ±6%

Power - Max:: 200 mW

Impedance (Max) (Zzt):: 90 Ohms

Current - Reverse Leakage @ Vr:: 5 µA @ 1 V

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 mA

Operating Temperature:: -65°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-363

BZX84C3V6S-7-F FAQ

1.How can I place an order for BZX84C3V6S-7-F through Aetrix?

Please submit a Request for Quotation (RFQ) for BZX84C3V6S-7-F 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 BZX84C3V6S-7-F reliable?

The price and inventory of BZX84C3V6S-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C3V6S-7-F is usually 5 days.

3.What payment methods are accepted for BZX84C3V6S-7-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C3V6S-7-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BZX84C3V6S-7-F?

BZX84C3V6S-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BZX84C3V6S-7-F 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 BZX84C3V6S-7-F?

For technical support, including BZX84C3V6S-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C3V6S-7-F requirements.

6.How does Aetrix verify that BZX84C3V6S-7-F is sourced from the original manufacturer or authorized distributors?

All BZX84C3V6S-7-F 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 BZX84C3V6S-7-F meets industry standards.

7.What is the process for return or replacement of BZX84C3V6S-7-F?

All BZX84C3V6S-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C3V6S-7-F, 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 BZX84C3V6S-7-F part is unused and in its original packaging.

Return procedure for BZX84C3V6S-7-F:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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