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Semtech Corporation SBMB6F
- Part No.:
- SBMB6F
- Manufacturer:
- Semtech Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-SIP
- Datasheet:
-
SBMB6F.pdf
- Description:
- BRIDGE RECT 1PHASE 600V 1.5A
- Quantity:
- Payment:
- Shipping:
Inventory:2,618
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Product details
Overview
TDS2211P from Semtech is a transient diverting suppressor designed to protect single 22V I/O or power lines against high-energy EOS events, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A (8/20μs) peak pulse current capability, 27.5–28V clamping voltage at 40A, and 20mΩ dynamic resistance - deployed in USB Type-C PD bus protection and industrial load switch input stages.
For engineers reviewing the TDS2211P datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature and current, low dynamic resistance for minimal voltage overshoot, DFN-6 package layout constraints, and compatibility with 22V-rated controllers in high-reliability USB PD and IoT power rail designs.
Technical Context
The TDS2211P uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds the breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant (27.5–28V) from 24A to 40A due to decreasing RDS(on) under surge conditions.
It operates over –40°C to +125°C with stable 22V reverse stand-off voltage and <600nA leakage at VRWM; junction capacitance is 175pF at 22V/1MHz, making it unsuitable for high-speed data lines but optimal for power/bus-level protection where low clamping and thermal stability are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V - defines maximum continuous DC operating voltage of protected line without leakage or conduction. |
| Clamping Voltage | 27.5–28V at 40A (8/20μs + 1.2/50μs combo waveform) - ensures downstream 22V-rated ICs (e.g., USB PD controllers) remain below damage threshold during surge. |
| Peak Pulse Current | 40A (8/20μs) - meets IEC 61000-4-5 Level 4 industrial surge immunity requirements for 22V systems. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD robustness requirements without derating. |
| Dynamic Resistance | 20mΩ - enables flat clamping response and minimizes voltage rise ΔV = IPP × RDYN across full surge range. |
| Junction Capacitance | 175pF at 22V/1MHz - suitable for power/bus protection; too high for SuperSpeed USB or PCIe signal integrity. |
Pinout & Package
Package: DFN 1.6mm × 1.6mm × 0.55mm, 6-lead, Pb-free, RoHS-compliant, UL 94V-0 molding compound, marked "T22" + date code.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground return path for surge current; all three pins must be connected to maximize current sharing and minimize parasitic inductance. |
| 4, 5, 6 | IN | Protected line input terminal; tied together externally to connect to VBus or power rail - required for full 40A rating and uniform current distribution. |
Key Features
| Feature | Design Value |
|---|---|
| Constant clamping across IPP and temperature | 27.5–28V from –40°C to +125°C and 24A–40A - eliminates need for derating at high ambient or high surge levels. |
| Surge-rated FET protection architecture | Replaces traditional TVS junction with low-RDS(on) shunt switch - avoids thermal runaway and enables higher energy absorption per unit area. |
| High EFT immunity | ±4kV per IEC 61000-4-4 (5/50ns, 5kHz & 100kHz) - protects against repetitive fast transients in industrial control and metering environments. |
| Low leakage at VRWM | <600nA at 22V - prevents excessive quiescent current in battery-powered IoT devices and remote sensors. |
Applications
| USB Type-C Power Delivery Bus Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting VBus lines in USB Type-C receptacles supporting up to 20V/100W PD negotiation, exposed to ESD and lightning-induced surges. IC Role / Device Role / Timing Role: Primary EOS shunt protector placed between connector and PD controller or load switch, clamping transients before they reach sensitive silicon. Use Value: Maintains 27.5–28V clamping across full temperature range and 40A surge, preventing false OVP trips and ensuring reliable PD communication during field operation. |
Use Scenario: Safeguarding input terminals of industrial-grade load switches (e.g., HS2950P) in remote meters, robotics, and factory automation equipment. IC Role / Device Role / Timing Role: Front-end transient diverter that limits voltage stress on the load switch's internal MOSFET gate oxide and drain-source junction. Use Value: Enables use of cost-optimized load switches without requiring oversized voltage ratings, reducing BOM cost while meeting IEC 61000-4-5 compliance. |
| IoT Edge Node Power Rail Protection | Storage Device 22V Backup Supply Protection |
Use Scenario: Securing 22V auxiliary rails in battery-backed wireless sensor nodes subjected to ESD during handling and installation in harsh environments. IC Role / Device Role / Timing Role: Standalone EOS suppressor on main power input, operating in parallel with upstream e-fuse or PMIC, independent of system clock or control logic. Use Value: Delivers ±30kV ESD immunity and 40A surge handling in 1.6mm² footprint - critical for space-constrained edge nodes where PCB real estate is premium. |
Use Scenario: Protecting 22V backup power inputs in NVMe SSDs and enterprise storage controllers exposed to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: High-energy transient clamp on VBackup rail, placed immediately after connector to prevent latch-up or gate rupture in flash memory power management ICs. Use Value: Stable 27.5V clamping ensures backup supply remains within safe operating area of storage controller ICs even at 125°C junction temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ22A | Standard unidirectional TVS diode; clamping rises to ~42V at 40A (8/20μs), 10× higher dynamic resistance (~200mΩ), no temperature stability guarantee. | Used in cost-sensitive, non-critical 22V lines where clamping margin >15V is acceptable and thermal derating is managed externally. | Select SMAJ22A only if board space allows larger SMC package and design tolerates higher clamping voltage at elevated temperature. |
| SP1003-220K | Bi-directional TVS array; 22V working voltage, 30A rating, clamping ~36V at 30A, 150pF capacitance, rated for lower surge energy (750W vs. 1120W). | Deployed in dual-line or differential bus protection where polarity reversal risk exists, but not optimized for single-rail 22V power bus clamping. | Choose SP1003-220K only when bidirectional protection is mandatory and peak current demand stays ≤30A; not recommended for USB PD VBus. |
Compared with SMAJ22A and SP1003-220K, the TDS2211P delivers superior clamping stability, higher surge energy handling (1120W), and guaranteed performance across –40°C to +125°C - making it the preferred choice for mission-critical 22V power rail protection where voltage margin and thermal reliability are non-negotiable.
Availability
TDS2211P is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and IoT edge node power rails requiring stable component supply, long-term lifecycle support, and verified surge performance.
Supply support for TDS2211P 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
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in high-performance analog and mixed-signal semiconductors for power management, protection, sensing, and connectivity.
The TDS series was developed to replace conventional TVS diodes in high-reliability power rail protection, delivering flat clamping and thermal stability using active FET-based transient diversion architecture.
FAQ
What is the maximum continuous operating voltage for TDS2211P?
The TDS2211P has a reverse stand-off voltage (VRWM) of 22V, meaning it can continuously block up to 22V DC without significant leakage or conduction. This makes TDS2211P suitable for protecting 22V-rated power buses such as USB PD VBus lines, provided transient clamping margins are maintained per design guidelines.
How does TDS2211P achieve constant clamping voltage across surge current and temperature?
TDS2211P achieves constant clamping by using a surge-rated FET as the main protection element, triggered by a precision circuit. As peak pulse current increases, the FET's RDS(on) decreases, counteracting voltage rise - resulting in stable 27.5–28V clamping from 24A to 40A and –40°C to +125°C. This behavior is confirmed in Figures 3 and 4 of the TDS2211P datasheet.
Can TDS2211P be used on high-speed data lines like USB SuperSpeed or PCIe?
No - TDS2211P is not suitable for high-speed data lines. Its 175pF junction capacitance at 22V/1MHz introduces unacceptable signal integrity degradation on differential pairs operating above ~100MHz. For USB SS, DP/DM, or PCIe lanes, low-capacitance TVS devices like RClamp3371ZC (<0.25pF) must be used instead of TDS2211P.
What is the recommended PCB layout for optimal surge performance of TDS2211P?
For optimal surge performance, all three IN pins (4,5,6) must be shorted together via a single low-inductance trace to the protected line, and all three GND pins (1,2,3) must connect directly to a solid ground plane using multiple vias. The device must be placed adjacent to the connector - minimizing trace length reduces inductive voltage overshoot during fast ESD events, as specified in Figure 7 of the TDS2211P datasheet.
Is TDS2211P RoHS-compliant and halogen-free?
Yes - TDS2211P is Pb-free, halogen-free, and compliant with RoHS and WEEE directives. Its molding compound meets UL 94V-0 flammability rating, and the lead finish is lead-free. These compliance details are explicitly stated in the Mechanical Characteristics section of the TDS2211P datasheet (Rev 2.5, p.1).
SBMB6F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- -
- Package/Case:
- 4-SIP
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 600 V
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Current - Reverse Leakage @ Vr:
- 2 µA @ 600 V
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- -
SBMB6F FAQ
1.How can I place an order for SBMB6F through Aetrix?
Please submit a Request for Quotation (RFQ) for SBMB6F 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 SBMB6F reliable?
The price and inventory of SBMB6F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SBMB6F is usually 5 days.
3.What payment methods are accepted for SBMB6F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SBMB6F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SBMB6F?
SBMB6F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SBMB6F 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 SBMB6F?
For technical support, including SBMB6F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SBMB6F requirements.
6.How does Aetrix verify that SBMB6F is sourced from the original manufacturer or authorized distributors?
All SBMB6F 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 SBMB6F meets industry standards.
7.What is the process for return or replacement of SBMB6F?
All SBMB6F units undergo pre-shipment inspection (PSI). If there is an issue with SBMB6F, 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 SBMB6F part is unused and in its original packaging.
Return procedure for SBMB6F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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