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Nexperia USA Inc. BAS21AVD-QZ
- Part No.:
- BAS21AVD-QZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Diode Arrays
- Package:
- SC-74, SOT-457
- Datasheet:
-
BAS21AVD-QZ.pdf
- Description:
- DIODE ARRAY GP 200V 200MA 6-TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:7,558
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Product details
Overview
BAS21AVD-Q from Nexperia is a triple high-voltage switching diode array in SOT457 (TSOP6) package, designed for automotive and communication circuit protection and signal routing. It delivers 250 V repetitive peak reverse voltage (VRRM), ≤50 ns reverse recovery time (trr), and ≤5 pF junction capacitance per diode - enabling fast, low-distortion switching in compact surface-mounted designs.
For engineers reviewing the BAS21AVD-Q datasheet, BAS21AVD-Q pinout, BAS21AVD-Q application, or BAS21AVD-Q equivalent, key selection criteria include AEC-Q101 qualification, triple-diode integration in one TSOP6 footprint, and verified performance at 200 V reverse bias with <100 nA leakage at 25 °C.
Technical Context
This triple diode array integrates three independent high-voltage switching diodes sharing no internal connection - each rated for 250 V VRRM, 1 A IFRM, and 16 ns typical trr. Its low 0.6–5 pF capacitance and 1 V forward voltage at 100 mA support high-frequency signal integrity in automotive infotainment and telecom front-end stages.
The device operates across −65 °C to +150 °C junction temperature, with thermal resistance Rth(j-a) = 500 K/W on FR4 PCB and Rth(j-sp) = 140 K/W to solder point - confirming suitability for thermally constrained automotive modules where localized heat dissipation matters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 250 V - supports sustained operation in 24 V/48 V automotive power domains with margin against transients. |
| trr | 16–50 ns - enables >10 MHz switching in snubberless flyback or clamp circuits without excessive switching loss. |
| Cd | 0.6–5 pF @ 0 V, 1 MHz - minimizes signal loading in RF coupling or ESD protection paths up to 1 GHz. |
| IF | 200 mA continuous pulsed - sufficient for logic-level clamping, level shifting, and low-power signal steering. |
| IR | 25–100 nA @ 200 V, 25 °C - ensures negligible standby current in always-on automotive subsystems. |
| Ptot | 295 mW @ Tamb ≤ 25 °C - defines maximum dissipation before thermal derating begins on standard FR4. |
Pinout & Package
Encapsulated in SOT457 (TSOP6) - a 6-lead, 3.0 × 1.7 mm surface-mount plastic package with 0.65 mm lead pitch and exposed cathode thermal pad compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A1 | Anode of Diode 1 - connects to input/source side in unidirectional clamping or polarity protection. |
| 2 | A2 | Anode of Diode 2 - electrically isolated; used for dual-rail clamping or redundant signal path routing. |
| 3 | A3 | Anode of Diode 3 - enables triple-channel protection without discrete part count increase. |
| 4 | K3 | Cathode of Diode 3 - shared reference node for common-cathode configuration; ties to ground or rail. |
| 5 | K2 | Cathode of Diode 2 - allows independent cathode routing for split-rail or differential applications. |
| 6 | K1 | Cathode of Diode 1 - completes first diode path; layout symmetry aids EMI control in high-speed traces. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood and cabin modules - eliminates need for additional qualification testing. |
| Triple diode integration | Reduces PCB area by ~60% vs. three discrete SOD-323 diodes while maintaining isolation between channels. |
| Low 16 ns typical trr | Enables clean edge transitions in 5–20 MHz clock distribution or data line clamping without overshoot. |
| 0.6 pF typical Cd | Preserves signal rise/fall times in USB 2.0 or CAN FD data lines routed near protection elements. |
| 250 mW per diode Ptot | Supports sustained 100 mA forward conduction at 85 °C ambient without thermal shutdown in sealed enclosures. |
Applications
| Automotive Body Control Module | Industrial Ethernet PHY Protection |
|---|---|
Use Scenario: Clamping transient spikes on LIN bus lines and door actuator drivers exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: High-voltage bidirectional clamping diode array providing fast turn-on (<50 ns) to limit voltage excursions to ±24 V. Use Value: Replaces three separate BAS21HW diodes, reducing BOM count and improving layout symmetry for EMC compliance. |
Use Scenario: Protecting RJ45 magnetics interface pins from ESD and surge events in factory automation gateways. IC Role / Device Role / Timing Role: Low-capacitance (≤5 pF) switching diode array routing surge current away from PHY IC inputs during IEC 61000-4-2 contact discharge. Use Value: Maintains signal integrity up to 100 MHz while meeting Level 4 ESD immunity without degrading eye diagram margins. |
| Automotive Infotainment Display Backlight | Telecom DC-DC Feedback Path |
Use Scenario: Reverse-polarity protection and overvoltage clamping for LED driver IC supply rails in head-unit displays. IC Role / Device Role / Timing Role: Triple-anode diode array isolating 12 V, 5 V, and 3.3 V rails from shared cathode return, preventing cross-rail fault propagation. Use Value: Enables single-component solution for multi-rail protection with <100 nA leakage ensuring minimal battery drain in sleep mode. |
Use Scenario: Voltage sensing and feedback path isolation in isolated DC-DC converters powering base station FPGAs. IC Role / Device Role / Timing Role: Fast-recovery diode array decoupling feedback resistors from primary-side noise while blocking reverse current during startup. Use Value: 16 ns trr prevents false triggering of error amplifiers during high-dV/dt switching transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage switching diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSR20F20NXT5G | Single diode, 200 V VRRM, 20 ns trr, SOD-523 package - lacks triple integration and AEC-Q101 rating. | Requires three devices and extra PCB area; suitable only for non-automotive, space-constrained consumer designs. | Select when board real estate is critical but triple-diode functionality and automotive qualification are unnecessary. |
| Vishay VS-3EDH02-M3/86A | Triple diode, 200 V VRRM, 75 ns trr, SOT-23-6 package - higher capacitance (10 pF), no AEC-Q101 certification. | Acceptable for industrial control but not qualified for automotive use; slower recovery increases switching loss above 5 MHz. | Choose only if cost is primary constraint and thermal/EMI requirements are relaxed relative to BAS21AVD-Q. |
Compared with NSR20F20NXT5G and VS-3EDH02-M3/86A, BAS21AVD-Q uniquely combines AEC-Q101 qualification, 250 V VRRM, sub-50 ns trr, and triple-diode integration in TSOP6 - making it the only option validated for safety-critical automotive signal routing with minimal footprint overhead.
Availability
BAS21AVD-Q is available at Aetrix Electronics and suitable for automotive body electronics, industrial Ethernet interfaces, telecom power management, and infotainment systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BAS21AVD-Q 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
The BAS21AVD-Q belongs to Nexperia's AEC-Q101-qualified high-voltage switching diode portfolio, engineered specifically for robust signal routing and transient protection in automotive and industrial environments where reliability and thermal stability are non-negotiable.
FAQ
Is BAS21AVD-Q pin-compatible with BAS21DW?
No. BAS21AVD-Q uses TSOP6 (SOT457) with pinout A1-A2-A3-K3-K2-K1, while BAS21DW uses SOT363 (SC-88) with different pin assignment and thermal characteristics. Layout redesign and thermal validation are required for substitution.
What is the maximum ambient temperature for continuous 200 mA operation?
At 200 mA pulsed (tp ≤ 300 µs, δ ≤ 0.02), the device sustains operation up to 85 °C ambient on standard FR4 PCB. Derating begins above this point - full 200 mA DC operation requires active cooling or reduced ambient per Figure 6 in the datasheet.
Does BAS21AVD-Q support bidirectional ESD protection?
No. It is a unidirectional switching diode array optimized for forward conduction and reverse blocking. For bidirectional ESD clamping, external TVS diodes or dedicated ESD arrays like PESD5V0S1BA must be used in conjunction.
Can BAS21AVD-Q replace BAT54S in automotive applications?
Not directly. BAT54S has lower VRRM (30 V), higher capacitance (~10 pF), and no AEC-Q101 qualification. BAS21AVD-Q offers 8× higher reverse voltage and automotive qualification but requires revalidation of timing and leakage in existing BAT54S designs.
BAS21AVD-QZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-74, SOT-457
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 3 Independent
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io) (per Diode):
- 200mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 200 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 100 nA @ 200 V
- Operating Temperature - Junction:
- 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
BAS21AVD-QZ FAQ
1.How can I place an order for BAS21AVD-QZ through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS21AVD-QZ 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 BAS21AVD-QZ reliable?
The price and inventory of BAS21AVD-QZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS21AVD-QZ is usually 5 days.
3.What payment methods are accepted for BAS21AVD-QZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS21AVD-QZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS21AVD-QZ?
BAS21AVD-QZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS21AVD-QZ 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 BAS21AVD-QZ?
For technical support, including BAS21AVD-QZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS21AVD-QZ requirements.
6.How does Aetrix verify that BAS21AVD-QZ is sourced from the original manufacturer or authorized distributors?
All BAS21AVD-QZ 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 BAS21AVD-QZ meets industry standards.
7.What is the process for return or replacement of BAS21AVD-QZ?
All BAS21AVD-QZ units undergo pre-shipment inspection (PSI). If there is an issue with BAS21AVD-QZ, 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 BAS21AVD-QZ part is unused and in its original packaging.
Return procedure for BAS21AVD-QZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAS21AVD-QZ Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
-
BAT54SLT1G
onsemi
-
BAV70LT1G
onsemi
-
BAT54CLT1G
onsemi
-
BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
-
MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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