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Diodes Incorporated BZX84C22S-7-F
- Part No.:
- BZX84C22S-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Zener Diode Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
BZX84C22S-7-F.pdf
- Description:
- DIODE ZENER ARRAY 22V SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:3,718
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Product details
Overview
BZX84C22S-7-F from Diodes Incorporated is a dual 200 mW surface-mount Zener diode in SOT-363 package, rated for 22 V nominal zener voltage (20.8–23.3 V range at 5 mA), with 55 Ω max zener impedance at test current and 0.1 µA max reverse leakage at 15.4 V. It provides precision voltage regulation in compact power management and signal conditioning circuits.
For engineers reviewing the BZX84C22S-7-F datasheet, BZX84C22S-7-F pinout, BZX84C22S-7-F application, or BZX84C22S-7-F equivalent, key selection criteria include zener voltage tolerance, thermal resistance (625 °C/W), low leakage at rated VR, SOT-363 footprint compatibility, and RoHS-compliant lead-free plating.
Technical Context
This dual Zener diode integrates two independent 22 V zener elements in a single ultra-small SOT-363 package, sharing no internal connection-each anode/cathode pair operates independently. Its planar die construction ensures stable breakdown characteristics across -65 °C to +150 °C operating range.
Rated for 200 mW total power dissipation on FR4 board with recommended pad layout, it delivers 55 Ω dynamic impedance at 5 mA test current and exhibits a positive temperature coefficient of +16.4 to +20.0 mV/°C, enabling predictable drift compensation in reference designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 22 V (20.8–23.3 V range at 5 mA - defines regulation setpoint tolerance) |
| Power Dissipation | 200 mW (max continuous on FR4 with specified pad layout - limits thermal design margin) |
| Zener Impedance | 55 Ω max at 5 mA (determines output voltage stability under load variation) |
| Reverse Leakage | 0.1 µA max at 15.4 V (ensures minimal quiescent current in high-impedance bias networks) |
| Thermal Resistance | 625 °C/W junction-to-ambient (dictates temperature rise per mW - critical for derating above 25 °C) |
| Temp Coefficient | +16.4 to +20.0 mV/°C at 5 mA (enables predictable drift modeling in temperature-sensitive references) |
| Package | SOT-363 (dual-channel, 6-pin, 2.2 mm × 1.35 mm footprint - supports high-density PCB layout) |
Pinout & Package
SOT-363 is a 6-pin ultra-small surface-mount package with dual independent Zener diode structures. Pin numbering follows standard top-view orientation: pins 1–3 form one diode (C1–A1–A2), pins 4–6 form the second (C2–NC–NC), where C = cathode and A = anode. Non-connected (NC) pins are internally unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (C1) | Cathode of Diode 1 | Connected to regulated output node; reverse-biased during zener operation |
| Pin 2 (A1) | Anode of Diode 1 | Reference ground or common return path for first zener element |
| Pin 3 (A2) | Anode of Diode 2 | Independent return path for second zener - electrically isolated from A1 |
| Pin 4 (C2) | Cathode of Diode 2 | Second regulated output node; usable for dual-rail or redundancy schemes |
| Pins 5 & 6 (NC) | No Connection | Not bonded internally; must remain unconnected on PCB to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent Zener elements | Enables two separate 22 V reference paths in one footprint - reduces board area vs. discrete dual placement |
| Planar die construction | Ensures tight voltage distribution and repeatable breakdown behavior across production lots |
| Lead-free / RoHS-compliant plating | Matte tin over Alloy 42 leadframe meets global environmental compliance without solderability trade-offs |
| Moisture Sensitivity Level 1 | Eliminates bake requirements before reflow - simplifies manufacturing flow for high-volume assembly |
| UL 94V-0 molded plastic case | Provides flame-retardant housing suitable for safety-critical industrial and consumer end equipment |
Applications
| Industrial Sensor Signal Conditioning | USB Port Overvoltage Protection |
|---|---|
Use Scenario: Stabilizing excitation voltage for bridge-based pressure sensors in factory automation systems. IC Role / Device Role / Timing Role: Dual Zener provides matched 22 V reference for analog front-end and independent clamp for ADC input protection. Use Value: Tight 20.8–23.3 V tolerance and low 0.1 µA leakage maintain sensor accuracy while minimizing offset drift. | Use Scenario: Clamping transient surges on USB VBUS line during hot-plug events in embedded host controllers. IC Role / Device Role / Timing Role: One Zener element clamps VBUS to 22 V; second serves as backup or auxiliary rail monitor. Use Value: 200 mW rating sustains short-duration ESD pulses; SOT-363 allows placement near connector with minimal trace inductance. |
| Programmable Logic Controller I/O Protection | Automotive Body Control Module Reference |
Use Scenario: Protecting 24 V digital input channels against load dump and back-EMF in PLC chassis. IC Role / Device Role / Timing Role: Zener pair regulates auxiliary 22 V rail for optocoupler bias and clamps input transients simultaneously. Use Value: Dual structure eliminates need for two separate SOT-23 devices - saves 3.5 mm² PCB area per channel. | Use Scenario: Generating stable 22 V reference for LIN bus transceiver biasing in automotive BCMs. IC Role / Device Role / Timing Role: Provides temperature-compensated reference (16.4–20.0 mV/°C) for voltage-controlled oscillator calibration. Use Value: Positive tempco enables predictable tracking against other silicon components - reduces system-level trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5247BS-7-F | Single 22 V Zener in SOT-323; 225 mW rating; 60 Ω Zzt; 0.1 µA IR at 15.4 V | Single-element only - requires two devices for dual functionality; smaller 1.7 mm × 1.25 mm footprint | Select when board space permits duplication and thermal isolation between elements is preferred |
| BZX84C22LT1G | Single 22 V Zener in SOT-23; 350 mW rating; 55 Ω Zzt; 0.1 µA IR at 15.4 V; different marking and packaging | No dual configuration - lacks second independent Zener; higher power but larger 2.9 mm × 1.3 mm body | Choose for higher-power single-rail use where dual-channel operation is unnecessary |
Compared with MMBZ5247BS-7-F and BZX84C22LT1G, BZX84C22S-7-F uniquely delivers two matched 22 V Zeners in one SOT-363 package - reducing component count, improving layout symmetry, and enabling tighter thermal coupling for drift-matched reference pairs.
Availability
BZX84C22S-7-F is available at Aetrix Electronics and suitable for industrial sensor conditioning, USB port protection, PLC I/O safeguarding, and automotive body control module reference generation requiring stable component supply and long-term lifecycle support.
Supply support for BZX84C22S-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, cost-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 overvoltage protection in space-constrained, thermally demanding applications.
FAQ
What is the maximum power dissipation for BZX84C22S-7-F at 70°C ambient?
At 70°C ambient, the device derates linearly from 200 mW at 25°C using the 625 °C/W thermal resistance. The allowable power is 200 mW × (1 − (70−25)/625) = 140 mW. This assumes mounting on FR4 with Diodes' recommended pad layout per AP02001.
Are both Zener elements in BZX84C22S-7-F electrically isolated?
Yes - the two Zener diodes share no internal connection. Pins 1–2–3 form one diode (C1–A1–A2), pins 4–5–6 form the second (C2–NC–NC), with pins 5 and 6 unconnected. Anode terminals A1 and A2 are separate, enabling independent grounding or biasing.
Does BZX84C22S-7-F meet automotive AEC-Q200 requirements?
No - BZX84C22S-7-F is not AEC-Q200 qualified. It is rated for -65 °C to +150 °C operating temperature but lacks stress testing, failure analysis, and qualification documentation required for automotive-grade components. For AEC-Q200 applications, consider Diodes' AZ-series Zeners.
Can BZX84C22S-7-F be used in place of a single 22 V Zener diode?
Yes - either Zener element can be used independently by connecting only pins 1–2 (C1–A1) or pins 4–3 (C2–A2), leaving unused pins unconnected. The electrical specs (22 V, 55 Ω, 0.1 µA) apply identically to each element, with no performance penalty from the unused channel.
BZX84C22S-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):
- 22 V
- Tolerance:
- ±6%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 55 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 15.4 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
BZX84C22S-7-F FAQ
1.How can I place an order for BZX84C22S-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C22S-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 BZX84C22S-7-F reliable?
The price and inventory of BZX84C22S-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 BZX84C22S-7-F is usually 5 days.
3.What payment methods are accepted for BZX84C22S-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C22S-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C22S-7-F?
BZX84C22S-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C22S-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 BZX84C22S-7-F?
For technical support, including BZX84C22S-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C22S-7-F requirements.
6.How does Aetrix verify that BZX84C22S-7-F is sourced from the original manufacturer or authorized distributors?
All BZX84C22S-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 BZX84C22S-7-F meets industry standards.
7.What is the process for return or replacement of BZX84C22S-7-F?
All BZX84C22S-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C22S-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 BZX84C22S-7-F part is unused and in its original packaging.
Return procedure for BZX84C22S-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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Diodes Incorporated
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