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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes

Taiwan Semiconductor Corporation 1PGSMB5926H

Name: 1PGSMB5926H
Brand: Taiwan Semiconductor Corporation
SKU: 1PGSMB5926H
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 1PGSMB5926H

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Zener Diodes

Package:: DO-214AA, SMB

Datasheet:: 1PGSMB5926H.pdf

Description:: DIODE ZENER 11V 3W DO214AA

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Inventory:6,015

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Product details

Overview

1PGSMB5926H from Taiwan Semiconductor is a surface-mount silicon Zener diode with a nominal zener voltage of 11 V, 3 W power rating, DO-214AA (SMB) package, and AEC-Q101 qualification for automotive-grade reliability. It delivers stable voltage regulation and reference functions in compact power management and protection circuits.

For engineers reviewing the 1PGSMB5926H datasheet, 1PGSMB5926H pinout, 1PGSMB5926H application, or 1PGSMB5926H equivalent, key selection criteria include its 11 V ±5% zener tolerance, 34.1 mA test current, 5.5 Ω dynamic impedance at I_ZT, 1 μA leakage at 8.4 V, and junction temperature range of −55°C to +175°C.

Technical Context

The 1PGSMB5926H operates as a single-die, unidirectional Zener diode optimized for precision voltage clamping and reference generation under DC or low-frequency transient conditions. Its photo-glass passivated junction ensures stable breakdown characteristics and long-term parameter consistency.

Designed for surface-mount assembly on standard PCBs with 10 mm × 10 mm copper pads, it exhibits R_θJA = 59°C/W and R_θJL = 21°C/W thermal performance. The cathode band marking and matte tin-plated leads support automated placement and J-STD-002-compliant solderability.

Key Specifications

Parameter	Value and Actual Design Meaning
V_Z (Nominal)	11 V ±5% - defines precise clamping threshold for 12 V rail stabilization
I_ZT	34.1 mA - standardized test current ensuring repeatable V_Z measurement
Z_ZT	5.5 Ω - low dynamic impedance enables tight regulation under load variation
P_tot	3 W - maximum continuous dissipation at T_L = 75°C on 10 mm × 10 mm Cu pad
T_J Range	−55°C to +175°C - supports operation in under-hood automotive and industrial environments
I_R @ V_R	1 μA at 8.4 V - low leakage preserves accuracy in high-impedance reference paths
Package	DO-214AA (SMB) - industry-standard SMD outline with 0.100 g mass and J-STD-020 Level 1 moisture sensitivity

Pinout & Package

DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode indicated by band, polarity-critical for reverse-biased operation.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward conduction terminal / Zener cathode reference ground	Connected to circuit ground or lower-potential node during reverse-bias regulation
Cathode	Zener breakdown terminal / voltage clamp input	Connected to supply or signal line requiring clamped voltage; marked by band

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive applications including engine control and body electronics
Photo-glass passivated junction	Enhances long-term stability and reduces parameter drift over temperature and time
Low inductance construction	Minimizes voltage overshoot during fast transients in ESD and surge protection
J-STD-020 Level 1 moisture sensitivity	Enables standard SMT reflow without pre-baking or special handling
RoHS & halogen-free compliance	Meets IEC 61249-2-21 and global environmental directives for end-product certification

Applications

Voltage Regulation	Reference Voltage Source
Use Scenario: Stabilizing 12 V supply rails in automotive infotainment modules against battery voltage fluctuations. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to clamp output voltage at 11 V. Use Value: Maintains ±5% regulation window with 5.5 Ω impedance, preventing downstream IC reset or latch-up.	Use Scenario: Providing stable bias voltage for op-amp comparators in battery monitoring circuits. IC Role / Device Role / Timing Role: Precision voltage reference element in high-impedance divider networks. Use Value: Delivers 1 μA leakage at 8.4 V, minimizing error contribution in microamp-level sensing paths.
Transient Overvoltage Protection	ESD Clamping Interface
Use Scenario: Suppressing load-dump spikes up to 40 V in 12 V automotive subsystems. IC Role / Device Role / Timing Role: Fast-acting shunt protector diverting surge energy to ground. Use Value: Withstands 3 W peak dissipation and −55°C to +175°C junction range for robust field operation.	Use Scenario: Protecting USB data lines from human-body-model (HBM) ESD events in portable diagnostics tools. IC Role / Device Role / Timing Role: Low-inductance clamping device limiting line voltage to safe levels. Use Value: Photo-glass passivation ensures consistent clamping behavior across 10,000+ ESD strikes.

Voltage Regulation

Reference Voltage Source

Use Scenario: Stabilizing 12 V supply rails in automotive infotainment modules against battery voltage fluctuations.

IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to clamp output voltage at 11 V.

Use Value: Maintains ±5% regulation window with 5.5 Ω impedance, preventing downstream IC reset or latch-up.

Use Scenario: Providing stable bias voltage for op-amp comparators in battery monitoring circuits.

IC Role / Device Role / Timing Role: Precision voltage reference element in high-impedance divider networks.

Use Value: Delivers 1 μA leakage at 8.4 V, minimizing error contribution in microamp-level sensing paths.

Transient Overvoltage Protection

ESD Clamping Interface

Use Scenario: Suppressing load-dump spikes up to 40 V in 12 V automotive subsystems.

IC Role / Device Role / Timing Role: Fast-acting shunt protector diverting surge energy to ground.

Use Value: Withstands 3 W peak dissipation and −55°C to +175°C junction range for robust field operation.

Use Scenario: Protecting USB data lines from human-body-model (HBM) ESD events in portable diagnostics tools.

IC Role / Device Role / Timing Role: Low-inductance clamping device limiting line voltage to safe levels.

Use Value: Photo-glass passivation ensures consistent clamping behavior across 10,000+ ESD strikes.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
1N5232B	Same 11 V nominal V_Z, but 0.5 W rating and DO-35 through-hole package	Not suitable for high-power or SMT-only designs; limited thermal performance	Select only for low-power prototyping or legacy through-hole boards
BZX84-C11	11 V ±5%, 300 mW rating, SOT-23 package, no AEC-Q101 qualification	Lacks automotive qualification and thermal robustness for under-hood use	Acceptable for consumer-grade board-level protection where AEC-Q101 is not required

Compared with 1PGSMB5926H, 1N5232B offers identical voltage but lacks SMT compatibility and power handling, while BZX84-C11 provides SMT form factor but sacrifices automotive qualification and 10× lower power rating-making 1PGSMB5926H the sole choice for AEC-Q101-compliant, 3 W SMT Zener regulation.

Availability

1PGSMB5926H is available at Aetrix Electronics and suitable for automotive power management, industrial sensor reference circuits, and telecom surge protection requiring stable component supply and full AEC-Q101 traceability.

Supply support for 1PGSMB5926H 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

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and consumer markets since 1979.

The 1PGSMB59xxH series was designed specifically for high-reliability, surface-mount Zener regulation in automotive power systems-emphasizing AEC-Q101 compliance, thermal resilience, and automated assembly readiness.

FAQ

What is the exact zener voltage tolerance for 1PGSMB5926H?

The 1PGSMB5926H has a nominal zener voltage of 11 V with a tolerance of ±5%, meaning the measured V_Z falls between 10.45 V and 11.55 V at I_ZT = 34.1 mA and T_A = 25°C. This tolerance is explicitly defined in the electrical specifications table and applies to all units of the 1PGSMB5926H part number per Taiwan Semiconductor's A2102 revision documentation.

Is 1PGSMB5926H suitable for automotive applications?

Yes, the 1PGSMB5926H is AEC-Q101 qualified and rated for junction temperatures from −55°C to +175°C, making it suitable for under-hood and powertrain-related automotive applications. Its photo-glass passivated junction, low inductance, and DO-214AA (SMB) package meet automotive reliability and manufacturability requirements confirmed in Taiwan Semiconductor's official datasheet.

What is the maximum DC zener current for 1PGSMB5926H?

The maximum DC zener current (I_ZM) for 1PGSMB5926H is 136 mA, calculated from P_tot = 3 W and V_Z = 11 V. This value is specified in the electrical characteristics table and assumes operation within the derated power envelope at elevated ambient temperatures.

Does 1PGSMB5926H have RoHS and halogen-free compliance?

Yes, the 1PGSMB5926H is RoHS compliant and halogen-free per IEC 61249-2-21. These environmental qualifications are explicitly stated in the FEATURES section of the official Taiwan Semiconductor datasheet and verified in the material declaration for version A2102.

What is the thermal resistance from junction to ambient for 1PGSMB5926H?

The junction-to-ambient thermal resistance (R_θJA) for 1PGSMB5926H is 59°C/W when mounted on a 10 mm × 10 mm copper pad PCB, as specified in the THERMAL PERFORMANCE table. This value assumes standard JEDEC test conditions and directly impacts safe continuous power dissipation limits in real-world layouts.

1PGSMB5926H Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: 1PGSMB59

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 11 V

Tolerance:: ±5%

Power - Max:: 3 W

Impedance (Max) (Zzt):: 5.5 Ohms

Current - Reverse Leakage @ Vr:: 1 µA @ 8.4 V

Voltage - Forward (Vf) (Max) @ If:: -

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AA (SMB)

1PGSMB5926H FAQ

1.How can I place an order for 1PGSMB5926H through Aetrix?

Please submit a Request for Quotation (RFQ) for 1PGSMB5926H 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 1PGSMB5926H reliable?

The price and inventory of 1PGSMB5926H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1PGSMB5926H is usually 5 days.

3.What payment methods are accepted for 1PGSMB5926H?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1PGSMB5926H transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 1PGSMB5926H?

1PGSMB5926H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 1PGSMB5926H 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 1PGSMB5926H?

For technical support, including 1PGSMB5926H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1PGSMB5926H requirements.

6.How does Aetrix verify that 1PGSMB5926H is sourced from the original manufacturer or authorized distributors?

All 1PGSMB5926H 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 1PGSMB5926H meets industry standards.

7.What is the process for return or replacement of 1PGSMB5926H?

All 1PGSMB5926H units undergo pre-shipment inspection (PSI). If there is an issue with 1PGSMB5926H, 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 1PGSMB5926H part is unused and in its original packaging.

Return procedure for 1PGSMB5926H:

1.Submit a request within 90 days.

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

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