My Inquiry
My Account
Taiwan Semiconductor Corporation UF1BHR0G
- Part No.:
- UF1BHR0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
UF1BHR0G.pdf
- Description:
- DIODE GEN PURP 100V 1A DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:6,948
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UF1BHR0G from Taiwan Semiconductor is a 1 A, 100 V high-efficiency ultrafast rectifier diode in DO-204AL (DO-41) package, featuring soft recovery (trr ≤ 50 ns), VF ≤ 1.0 V at 1 A/25°C, and AEC-Q101 qualification option - used in DC-DC converters and freewheeling paths in automotive power supplies.
For engineers reviewing the UF1BHR0G datasheet, UF1BHR0G pinout, UF1BHR0G application, or UF1BHR0G equivalent, key selection criteria include repetitive peak reverse voltage (100 V), forward surge current (30 A), junction-to-lead thermal resistance (15 °C/W), soft recovery behavior, and RoHS/halogen-free compliance for automotive-grade reliability.
Technical Context
This ultrafast rectifier employs a glass-passivated PN junction optimized for high-temperature switching and low reverse recovery charge. Its single-die configuration supports unidirectional conduction with cathode-band polarity marking and pure tin-plated leads compliant with J-STD-002 solderability.
Designed for operation up to TJ = 150°C, the UF1BHR0G delivers stable performance under transient surge conditions (8.3 ms half-sine, 30 A) and maintains low leakage (IR ≤ 5 µA at 25°C, ≤ 150 µA at 125°C) across its rated reverse voltage range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - maximum repetitive reverse blocking voltage; defines safe operating limit in flyback/freewheeling topologies |
| IF | 1 A - average forward current rating at TA = 75°C; determines continuous power-handling capability |
| IFSM | 30 A - non-repetitive surge current (8.3 ms); enables robustness against inrush and fault transients |
| trr | ≤ 50 ns - ultrafast reverse recovery time; minimizes switching losses in SMPS above 100 kHz |
| VF | ≤ 1.0 V @ 1 A, 25°C - low forward drop improves efficiency in low-voltage output stages |
| RθJL | 15 °C/W - junction-to-lead thermal resistance; supports direct PCB heat sinking via leads |
| TJ max | 150 °C - maximum junction temperature; enables use in under-hood automotive environments |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, glass-passivated silicon die, cathode indicated by band, weight ≈ 0.330 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Forward current entry | Connected to lower-potential node (e.g., switch node in buck converter) |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to output rail; blocks reverse voltage during off-state of switching element |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified option | Validated for automotive power modules requiring stress-tested reliability under temperature cycling and humidity exposure |
| Soft recovery characteristic | Reduces EMI generation and voltage overshoot during turn-off in high-frequency converters |
| Glass passivated junction | Enhances moisture resistance and long-term stability of reverse leakage and breakdown behavior |
| RoHS & halogen-free | Complies with IEC 61249-2-21; eliminates brominated flame retardants and supports eco-friendly manufacturing |
Applications
| Automotive DC-DC Converter | Industrial SMPS Output Stage |
|---|---|
Use Scenario: Step-down conversion from 12 V battery to 3.3 V/5 V for infotainment ECUs. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous or asynchronous buck topology. Use Value: Ultrafast trr ≤ 50 ns limits switching loss and EMI; 150°C TJ rating ensures operation near engine control units. | Use Scenario: Secondary-side rectification in 24 V input industrial power supply delivering 12 V/2 A. IC Role / Device Role / Timing Role: Output rectifier handling continuous 1 A load with transient surges. Use Value: Low VF ≤ 1.0 V improves full-load efficiency; RθJL = 15 °C/W allows thermal management without heatsink. |
| UPS Inverter Freewheel Path | LED Driver Flyback Snubber |
Use Scenario: Bidirectional energy return path during inverter bridge commutation in line-interactive UPS. IC Role / Device Role / Timing Role: Unidirectional freewheeling diode clamping inductive kickback. Use Value: Soft recovery prevents voltage spikes > 2× VRRM; 30 A IFSM withstands motor-start surges. | Use Scenario: Snubber network rectifier in isolated flyback LED driver for street lighting. IC Role / Device Role / Timing Role: High-voltage clamp rectifier in RC-D snubber circuit. Use Value: 100 V VRRM safely handles reflected flyback spikes; 5 µA IR at 25°C ensures low standby loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R04 | VRRM = 400 V, trr = 35 ns, VF = 1.15 V @ 1 A - higher voltage rating but slower recovery than UF1BHR0G | Preferred in 400 V PFC front-ends; less optimal for 100 V–200 V secondary-side use due to over-spec'd VRRM | Select when higher reverse margin is required and faster trr is acceptable despite higher VF |
| ES1B | VRRM = 100 V, trr = 35 ns, VF = 0.95 V @ 1 A - identical voltage rating, slightly lower VF, faster trr, but not AEC-Q101 qualified | Suitable for commercial-grade SMPS; lacks automotive stress validation and may require additional qualification | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated |
Compared with STTH1R04 and ES1B, the UF1BHR0G uniquely balances 100 V rating, ≤50 ns trr, ≤1.0 V VF, and AEC-Q101 availability - making it optimal for automotive secondary-side rectification where voltage margin, speed, and qualification converge.
Availability
UF1BHR0G is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switching power supplies, and UPS freewheeling circuits requiring stable component supply with traceable sourcing and long-term lifecycle support.
Supply support for UF1BHR0G 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 UF1A–UF1M series is part of TSC's high-efficiency rectifier product line, engineered specifically for high-frequency switching power conversion with emphasis on soft recovery, thermal robustness, and automotive qualification readiness.
FAQ
What is the maximum junction temperature rating for UF1BHR0G?
The UF1BHR0G has a maximum junction temperature (TJ max) of +150°C, enabling reliable operation in high-ambient environments such as automotive engine compartments and enclosed industrial power supplies. This rating is validated per JEDEC standards and supported by its 15 °C/W junction-to-lead thermal resistance. Derating curves in the UF1BHR0G datasheet confirm sustained 1 A operation up to 75°C ambient without heatsinking.
Is UF1BHR0G AEC-Q101 qualified?
The UF1BHR0G itself is not marked as AEC-Q101 qualified; however, the UF1BH variant (with "H" suffix) is explicitly AEC-Q101 qualified per the ordering information table. The "R0G" suffix indicates green compound and tape-and-reel packaging (5,000 pcs), not qualification status. For automotive applications requiring AEC-Q101, specify UF1BHH or UF1BHA0G per TSC's ordering code matrix.
What does the "R0G" suffix mean in UF1BHR0G?
The "R0G" suffix in UF1BHR0G denotes packaging and environmental compliance: "R" indicates tape-and-reel packaging (5,000 pcs per reel), "0" is a placeholder, and "G" signifies halogen-free, RoHS-compliant green molding compound per IEC 61249-2-21. It does not indicate AEC-Q101 qualification or voltage grade - those are defined by the "B" (100 V) and optional "H" (AEC-Q101) characters.
How does UF1BHR0G compare to UF1AHR0G in terms of electrical performance?
UF1BHR0G (100 V VRRM) and UF1AHR0G (50 V VRRM) share identical forward characteristics (IF = 1 A, VF ≤ 1.0 V, trr ≤ 50 ns), thermal specs (RθJL = 15 °C/W, TJ max = 150°C), and packaging. The sole difference is VRRM: UF1AHR0G is rated for 50 V, limiting its use to low-voltage outputs, while UF1BHR0G supports 100 V applications like 48 V telecom or 24 V industrial rails with safety margin.
What is the reverse recovery time test condition for UF1BHR0G?
The reverse recovery time (trr) of UF1BHR0G is measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A, per the Electrical Specifications table. This standardized condition reflects real-world switching behavior in DC-DC converters, where the diode transitions from forward conduction to reverse blocking. The specified maximum trr ≤ 50 ns ensures minimal switching loss and EMI in topologies operating up to 500 kHz.
UF1BHR0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- 17pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
- Operating Temperature - Junction:
- -55°C ~ 150°C
UF1BHR0G FAQ
1.How can I place an order for UF1BHR0G through Aetrix?
Please submit a Request for Quotation (RFQ) for UF1BHR0G 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 UF1BHR0G reliable?
The price and inventory of UF1BHR0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UF1BHR0G is usually 5 days.
3.What payment methods are accepted for UF1BHR0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UF1BHR0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UF1BHR0G?
UF1BHR0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UF1BHR0G 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 UF1BHR0G?
For technical support, including UF1BHR0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UF1BHR0G requirements.
6.How does Aetrix verify that UF1BHR0G is sourced from the original manufacturer or authorized distributors?
All UF1BHR0G 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 UF1BHR0G meets industry standards.
7.What is the process for return or replacement of UF1BHR0G?
All UF1BHR0G units undergo pre-shipment inspection (PSI). If there is an issue with UF1BHR0G, 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 UF1BHR0G part is unused and in its original packaging.
Return procedure for UF1BHR0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UF1BHR0G Tags
-
1N4448X-TP
Micro Commercial Co
-
1N4148WX-TP
Micro Commercial Co
-
1N4148TR
onsemi
-
MMSD4148T1G
onsemi
-
MMBD914LT3G
onsemi
-
BAS16HT1G
onsemi
-
1N914BWT
onsemi
-
BAS21LT1G
onsemi
-
LL4148
onsemi
-
BAS16LT1G
onsemi
-
MMSD914T1G
onsemi
-
BAV21W-7-F
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
