My Inquiry
My Account
STMicroelectronics STBR6012W
- Part No.:
- STBR6012W
- Manufacturer:
- STMicroelectronics
- Category:
- Single Diodes
- Package:
- DO-247-2 (Straight Leads)
- Datasheet:
-
STBR6012W.pdf
- Description:
- DIODE GEN PURP 1.2KV 60A DO247
- Quantity:
- Payment:
- Shipping:
Inventory:516
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STBR6012W from STMicroelectronics is a high-voltage silicon rectifier diode in DO-247 package, designed as a single-phase bridge leg or full-wave bridge component for industrial AC-DC conversion. It delivers 60 A average forward current at TC = 135 °C, withstands 1200 V repetitive peak reverse voltage, and operates up to 175 °C junction temperature-enabling use in motor drives, welding equipment, and UPS input stages.
For engineers reviewing the STBR6012W datasheet, STBR6012W pinout, STBR6012W application, or STBR6012W equivalent, key selection criteria include conduction loss (VF = 0.95 V typ. @ 150 °C, 60 A), thermal resistance (Rth(j-c) = 0.45 °C/W), surge capability (IFSM = 500 A, tp = 10 ms), and ECOPACK®2 compliance for environmentally constrained designs.
Technical Context
This device is a monolithic, planar-passivated, ultra-fast recovery silicon rectifier optimized for low-loss operation in high-power, high-temperature bridge configurations. Its design emphasizes minimized forward voltage drop and reverse leakage-IR ≤ 250 µA @ 150 °C, VR = VRRM-to reduce system-level conduction and switching losses.
The DO-247 package enables direct copper-baseplate mounting with controlled torque (0.55 N·m recommended), supporting efficient conduction cooling. Thermal impedance modeling uses pulse-duration-dependent Zth(j-c) curves, validated per JEDEC JESD51-1 for transient thermal analysis in pulsed-load applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF(AV) | 60 A at TC = 135 °C, δ = 0.5 square wave - defines continuous DC output capability in thermally managed bridge layouts |
| VRRM | 1200 V - supports 800 VAC line-to-line inputs with 50% safety margin in industrial 3-phase rectification |
| VF (typ.) | 0.95 V @ Tj = 150 °C, IF = 60 A - enables <1.2 W conduction loss per diode at rated current, reducing heatsink requirements |
| Rth(j-c) | 0.45 °C/W - allows ~27 W power dissipation with 12 °C case-to-ambient rise under forced conduction cooling |
| IFSM | 500 A @ tp = 10 ms sinusoidal - sustains short-circuit events in motor drive DC bus protection circuits |
| Tj (max.) | 175 °C - permits operation in sealed enclosures or high-ambient environments without derating below 135 °C case temperature |
Pinout & Package
STBR6012W is a two-terminal discrete diode in DO-247 package: anode (A) and cathode (K) are accessed via isolated metal tabs on opposite sides of the molded body. The package features a copper baseplate for direct thermal interface and mechanical mounting via M4 screw (recommended torque: 0.55 N·m).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to AC input phase or neutral in bridge configuration; must be electrically isolated from heatsink unless insulated mounting hardware is used |
| Cathode (K) | Forward current exit point | Routes rectified DC to bulk capacitor or inverter stage; polarity reversal blocks conduction during reverse half-cycle |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low conduction losses | VF = 0.95 V typ. @ 150 °C/60 A reduces power loss by ≥15% vs. standard 1200 V rectifiers in same package |
| Ultra-low reverse losses | IR ≤ 250 µA @ 150 °C/VRRM minimizes standby leakage in offline SMPS PFC front-ends |
| High junction temperature capability | Rated Tj(max) = 175 °C enables operation in oil-cooled or convection-limited industrial enclosures |
| ECOPACK®2 compliance | Halogen-free epoxy (UL94 V0) and lead-free terminations meet RoHS 2011/65/EU and REACH SVHC requirements |
Applications
| Industrial Motor Drives | Uninterruptible Power Supplies (UPS) |
|---|---|
Use Scenario: Three-phase AC input rectification feeding IGBT inverter stage in 30–100 kW variable-frequency drives. IC Role / Device Role / Timing Role: High-current bridge rectifier leg handling 60 A continuous forward current with 1200 V blocking capability. Use Value: Low VF and Rth(j-c) reduce thermal stress on heatsink assembly, enabling compact cabinet designs without forced air cooling. | Use Scenario: Input bridge rectification in double-conversion online UPS systems with 400 VDC bus and battery backup. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion element sustaining 500 A surge during generator switchover transients. Use Value: 500 A IFSM rating ensures reliable operation during grid-failure transitions without fuse blowing or diode failure. |
| Induction Heating Systems | Welding Power Supplies |
Use Scenario: Medium-frequency (1–50 kHz) rectification in resonant inverter DC link for induction cooktops and metal heating coils. IC Role / Device Role / Timing Role: Fast-recovery rectifier operating at elevated junction temperatures in high-duty-cycle switching environments. Use Value: Stable VF and IR characteristics up to 175 °C prevent thermal runaway during sustained 100% duty operation. | Use Scenario: Primary rectification in thyristor-controlled or inverter-based arc welding power sources delivering 200–600 A DC output. IC Role / Device Role / Timing Role: Heavy-duty bridge diode handling repetitive 10 ms surges and high RMS currents in open-circuit voltage regulation. Use Value: 90 A IF(RMS) rating supports high crest-factor waveforms typical of droop-controlled welding arcs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IXYS MBR60120CT | TO-247 package, dual common-cathode configuration, VF = 1.15 V @ 150 °C/60 A | Requires PCB layout adaptation for dual-diode footprint; higher VF increases conduction loss by ~21% | Prefer when dual-diode integration simplifies board routing, accepting higher thermal load |
| Vishay VS-60CPH12 | TO-247AC package, single-diode, VF = 1.08 V @ 150 °C/60 A, Rth(j-c) = 0.55 °C/W | Higher thermal resistance limits power dissipation to ~22 W at same ΔT, requiring larger heatsink | Choose where TO-247 mounting compatibility outweighs efficiency penalty |
Compared with MBR60120CT and VS-60CPH12, STBR6012W offers the lowest VF and best thermal resistance in DO-247, making it optimal for space-constrained, high-efficiency industrial rectifiers where thermal management is critical.
Availability
STBR6012W is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, and welding equipment requiring stable component supply across multi-year production cycles.
Supply support for STBR6012W 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, power, MCU, and sensor solutions for automotive, industrial, and consumer markets.
STBR6012W belongs to ST's high-voltage rectifier product line, engineered specifically for ruggedized AC-DC conversion in harsh thermal and electrical environments-targeting reliability-critical infrastructure applications.
FAQ
What is the maximum allowable case temperature for continuous operation?
The STBR6012W is rated for 60 A average forward current at TC = 135 °C with 0.5 duty-cycle square wave. Exceeding this case temperature requires linear derating per the datasheet's IF(AV) vs. TC curve. Operation above 135 °C case is not supported for rated current, though junction temperature may reach 175 °C if thermal resistance and ambient conditions permit.
Can STBR6012W be used in parallel configurations?
Parallel operation is not recommended without active current balancing due to VF mismatch between units. The datasheet does not specify matching tolerance, and thermal coupling differences can cause current hogging. For higher current needs, ST recommends using higher-rated single devices or verified paralleled modules from their Power MOSFET or IGBT families instead.
Is STBR6012W suitable for高频 (high-frequency) rectification above 20 kHz?
Yes-its fast recovery behavior and low stored charge (Qrr not explicitly stated but implied by "ultra-low reverse losses" and typical 1200 V Si rectifier performance) support operation up to 50 kHz in resonant converters. However, switching losses increase above 20 kHz; for >100 kHz, consider SiC Schottky alternatives like STPSC20H12D.
Does the DO-247 package require insulating hardware when mounted to a heatsink?
Yes-the anode and cathode terminals are electrically connected to the internal die metallization and are not isolated from the copper baseplate. Insulating washers and shoulder washers must be used unless the heatsink is fully floating or the circuit topology inherently isolates the baseplate potential (e.g., ungrounded DC bus).
STBR6012W Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- DO-247-2 (Straight Leads)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1200 V
- Current - Average Rectified (Io):
- 60A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 60 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1200 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-247
- Operating Temperature - Junction:
- 175°C (Max)
STBR6012W FAQ
1.How can I place an order for STBR6012W through Aetrix?
Please submit a Request for Quotation (RFQ) for STBR6012W 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 STBR6012W reliable?
The price and inventory of STBR6012W are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STBR6012W is usually 5 days.
3.What payment methods are accepted for STBR6012W?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STBR6012W transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STBR6012W?
STBR6012W orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STBR6012W 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 STBR6012W?
For technical support, including STBR6012W datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STBR6012W requirements.
6.How does Aetrix verify that STBR6012W is sourced from the original manufacturer or authorized distributors?
All STBR6012W 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 STBR6012W meets industry standards.
7.What is the process for return or replacement of STBR6012W?
All STBR6012W units undergo pre-shipment inspection (PSI). If there is an issue with STBR6012W, 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 STBR6012W part is unused and in its original packaging.
Return procedure for STBR6012W:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STBR6012W 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…
