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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Taiwan Semiconductor Corporation PU2BLSH

Name: PU2BLSH
Brand: Taiwan Semiconductor Corporation
SKU: PU2BLSH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PU2BLSH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: SOD-123H

Datasheet:: PU2BLSH.pdf

Description:: DIODE GEN PURP 100V 2A SOD123HE

Quantity:: RFQ Add To RFQ list

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Inventory:1,300

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Product details

Overview

PU2BLSH from Taiwan Semiconductor is a 2A, 100V ultra-fast surface-mount rectifier diode in SOD-123HE package, featuring 25ns reverse recovery time, 0.87V forward voltage at 2A/25°C, and AEC-Q101 qualification for automotive-grade reliability. It serves as a primary switching rectifier in high-frequency DC/DC converters and snubber networks.

For engineers reviewing the PU2BLSH datasheet, PU2BLSH pinout, PU2BLSH application, or PU2BLSH equivalent, key selection criteria include its 100V V_RRM, 50A I_FSM, 175°C T_J_MAX, low Q_rr of 31nC, and SOD-123HE thermal performance (R_θJL = 14°C/W).

Technical Context

The PU2BLSH employs planar silicon technology to achieve ultra-fast recovery with trr ≤ 25ns under IF = 0.5A/IR = 1.0A conditions and 30ns under IF = 1.0A/di/dt = 50A/µs. Its single-die configuration and cathode-band polarity marking support automated placement and unambiguous orientation on PCBs.

Thermal design is enabled by R_θJA = 79°C/W (on 5mm × 5mm Cu pad) and R_θJC = 19°C/W, while moisture sensitivity level 1 (per J-STD-020) ensures robust reflow compatibility without dry-pack requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	100 V - Maximum repetitive reverse voltage before breakdown; defines safe operating range in 100V bus applications.
I_F	2 A - Continuous average forward current rating; supports compact DC/DC output stages without forced cooling.
t_rr	25 ns - Measured at IF = 0.5A, IR = 1.0A, Irr = 0.25A; enables >1 MHz switching in resonant topologies.
V_F	0.87 V @ 2A, 25°C - Low conduction loss reduces power dissipation and improves system efficiency at rated load.
Q_rr	31 nC - Confirmed reverse recovery charge; critical for EMI control and MOSFET gate drive stress in hard-switched converters.
T_J_MAX	175 °C - Maximum junction temperature; allows operation in under-hood automotive environments with minimal derating.
R_θJL	14 °C/W - Junction-to-lead thermal resistance; enables direct thermal path to PCB copper for passive heatsinking.

Pinout & Package

SOD-123HE surface-mount package with molded epoxy case (UL 94V-0), matte tin-plated leads, and cathode band indicating terminal polarity. Weight: 0.013g.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry	Connected to lower-potential side (e.g., switch node in buck converter); requires thermal relief on PCB pour.
Cathode	Forward current exit / reverse blocking terminal	Marked by visible band; ties to output rail or snubber return; must maintain clearance per 100V working voltage.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive powertrain and chassis applications per stress test requirements (HTOL, TC, HTRB, etc.).
Ultra-fast recovery (t_rr ≤ 25 ns)	Minimizes switching loss and voltage overshoot during turn-off, enabling higher frequency operation than standard FRDs.
Low Q_rr (31 nC)	Reduces dynamic losses and EMI generation in synchronous rectifier and active clamp circuits.
SOD-123HE package	Compact footprint (2.7 × 1.6 × 1.1 mm) with enhanced thermal pad contact area vs. standard SOD-123.
Moisture sensitivity level 1	No baking required prior to reflow; compatible with standard J-STD-020-compliant assembly lines.

Applications

Automotive DC/DC Converters	High-Frequency Snubber Networks
Use Scenario: 12V–48V bidirectional DC/DC converter in 48V mild-hybrid vehicle architecture. IC Role / Device Role / Timing Role: Primary freewheeling rectifier in synchronous buck stage, handling 2A continuous output current. Use Value: 25ns t_rr and 31nC Q_rr reduce switching node ringing and MOSFET voltage stress during commutation.	Use Scenario: RCD snubber across flyback transformer primary in industrial AC/DC SMPS. IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing leakage inductance energy during MOSFET turn-off. Use Value: 100V V_RRM and 50A I_FSM withstand transient spikes; low V_F minimizes snubber power loss.
On-Board Charger (OBC) Auxiliary Supplies	Industrial PLC Power Rails
Use Scenario: Auxiliary 5V/3.3V isolated supply derived from main OBC HV bus using flyback topology. IC Role / Device Role / Timing Role: Secondary-side rectifier delivering up to 2A to control logic and gate drivers. Use Value: AEC-Q101 qualification ensures long-term reliability in thermally demanding EV charging environments.	Use Scenario: Input rectification for 24V DC power distribution in programmable logic controller backplanes. IC Role / Device Role / Timing Role: Input-stage bridge leg component in compact, fanless 24V input modules. Use Value: 175°C T_J_MAX and R_θJL = 14°C/W allow full 2A rating in sealed enclosures without derating.

Automotive DC/DC Converters

High-Frequency Snubber Networks

Use Scenario: 12V–48V bidirectional DC/DC converter in 48V mild-hybrid vehicle architecture.

IC Role / Device Role / Timing Role: Primary freewheeling rectifier in synchronous buck stage, handling 2A continuous output current.

Use Value: 25ns t_rr and 31nC Q_rr reduce switching node ringing and MOSFET voltage stress during commutation.

Use Scenario: RCD snubber across flyback transformer primary in industrial AC/DC SMPS.

IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing leakage inductance energy during MOSFET turn-off.

Use Value: 100V V_RRM and 50A I_FSM withstand transient spikes; low V_F minimizes snubber power loss.

On-Board Charger (OBC) Auxiliary Supplies

Industrial PLC Power Rails

Use Scenario: Auxiliary 5V/3.3V isolated supply derived from main OBC HV bus using flyback topology.

IC Role / Device Role / Timing Role: Secondary-side rectifier delivering up to 2A to control logic and gate drivers.

Use Value: AEC-Q101 qualification ensures long-term reliability in thermally demanding EV charging environments.

Use Scenario: Input rectification for 24V DC power distribution in programmable logic controller backplanes.

IC Role / Device Role / Timing Role: Input-stage bridge leg component in compact, fanless 24V input modules.

Use Value: 175°C T_J_MAX and R_θJL = 14°C/W allow full 2A rating in sealed enclosures without derating.

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-fast rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH2R010S	V_RRM = 100V, t_rr = 35ns, Q_rr = 42nC, SOD-123 package (not HE variant)	Higher Q_rr increases switching loss in >500kHz designs; no AEC-Q101 qualification	Acceptable where automotive qualification is not required and layout allows margin for higher EMI.
ES2D	V_RRM = 200V, t_rr = 35ns, Q_rr = 45nC, SMA package (larger footprint, higher R_θJA)	Higher voltage rating but slower recovery and inferior thermal performance (R_θJA ≈ 110°C/W)	Only suitable if 200V rating is mandatory and board space permits larger SMA footprint.

Compared with STTH2R010S and ES2D, the PU2BLSH delivers superior high-frequency efficiency via lower Q_rr and faster t_rr, tighter thermal resistance in SOD-123HE, and automotive-grade reliability-making it optimal for space-constrained, high-reliability 100V rectification.

Availability

PU2BLSH is available at Aetrix Electronics and suitable for automotive DC/DC converters, high-frequency snubber networks, and industrial PLC power rails requiring stable component supply and AEC-Q101 compliance.

Supply support for PU2BLSH 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, specializing in power devices, rectifiers, and protection components.

The PU2BLSH belongs to TSC's ultra-fast rectifier product line, engineered specifically for high-efficiency, high-reliability switching power supplies in automotive and industrial environments.

FAQ

What is the peak repetitive reverse voltage rating for PU2BLSH?

The PU2BLSH has a peak repetitive reverse voltage (V_RRM) rating of 100 V, verified per absolute maximum ratings table in the official Taiwan Semiconductor datasheet revision B2109. This rating applies continuously under specified thermal conditions and defines the maximum reverse bias the device can block without avalanche conduction.

Is PU2BLSH qualified for automotive applications?

Yes, PU2BLSH is AEC-Q101 qualified, meaning it has passed stress tests including high-temperature operating life, temperature cycling, and highly accelerated stress testing required for automotive power electronics. This qualification is explicitly stated in the FEATURES section of the Taiwan Semiconductor datasheet for PU2BLSH.

What is the reverse recovery time (t_rr) of PU2BLSH under standard test conditions?

The PU2BLSH reverse recovery time is 25 ns when tested at IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A, as confirmed in the ELECTRICAL SPECIFICATIONS table. An alternate condition (IF = 1.0 A, di/dt = 50 A/µs, VR = 30 V) yields 30 ns - both values are documented for PU2BLSH in the same datasheet revision.

Does PU2BLSH have a halogen-free construction?

Yes, PU2BLSH is halogen-free in accordance with IEC 61249-2-21, as stated in the FEATURES section of the Taiwan Semiconductor datasheet. This confirms compliance with environmental standards for printed wiring board materials and ensures safer end-of-life processing.

What is the thermal resistance from junction to ambient (R_θJA) for PU2BLSH?

The junction-to-ambient thermal resistance (R_θJA) for PU2BLSH is 79°C/W, measured on a standard 5 mm × 5 mm copper pad test board, per the THERMAL PERFORMANCE table in the official datasheet. This value assumes natural convection and defines the worst-case thermal rise under continuous 2A operation.

PU2BLSH Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: SOD-123H

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 100 V

Current - Average Rectified (Io):: 2A

Voltage - Forward (Vf) (Max) @ If:: 930 mV @ 2 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 25 ns

Current - Reverse Leakage @ Vr:: 2 µA @ 100 V

Capacitance @ Vr, F:: 31pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOD-123HE

Operating Temperature - Junction:: -55°C ~ 175°C

PU2BLSH FAQ

1.How can I place an order for PU2BLSH through Aetrix?

Please submit a Request for Quotation (RFQ) for PU2BLSH 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 PU2BLSH reliable?

The price and inventory of PU2BLSH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PU2BLSH is usually 5 days.

3.What payment methods are accepted for PU2BLSH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PU2BLSH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PU2BLSH?

PU2BLSH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PU2BLSH 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 PU2BLSH?

For technical support, including PU2BLSH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PU2BLSH requirements.

6.How does Aetrix verify that PU2BLSH is sourced from the original manufacturer or authorized distributors?

All PU2BLSH 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 PU2BLSH meets industry standards.

7.What is the process for return or replacement of PU2BLSH?

All PU2BLSH units undergo pre-shipment inspection (PSI). If there is an issue with PU2BLSH, 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 PU2BLSH part is unused and in its original packaging.

Return procedure for PU2BLSH:

1.Submit a request within 90 days.

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

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