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Diodes Incorporated MMBD4148TW-7
- Part No.:
- MMBD4148TW-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
MMBD4148TW-7.pdf
- Description:
- DIODE ARRAY GP 75V 150MA SOT-363
- Quantity:
- Payment:
- Shipping:
Inventory:5,472
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Product details
Overview
MMBD4148TW-7 from Diodes Incorporated is a dual-channel surface-mount fast-switching diode array in SOT363 package, rated for 75 V peak repetitive reverse voltage, 300 mA forward current, and 4.0 ns reverse recovery time. It delivers high conductance with low forward voltage (0.715 V at 1 mA) and ultra-low junction capacitance (2.0 pF), enabling use in high-speed logic clamping and signal routing circuits in telecom interface modules.
For engineers reviewing the MMBD4148TW-7 datasheet, MMBD4148TW-7 pinout, MMBD4148TW-7 application, or MMBD4148TW-7 equivalent, key selection criteria include reverse recovery time under 4 ns, dual-diode integration in SOT363, thermal resistance of 625 °C/W, and compliance with automotive-grade variants (BAS16TWQ) for industrial control timing paths.
Technical Context
This dual diode array integrates two independent silicon switching diodes sharing a common cathode configuration per channel, optimized for high-speed transient suppression and level translation. Its 4.0 ns trr and 2.0 pF CT support >100 MHz signal integrity in USB 2.0 data lines and I²C bus protection circuits.
The device operates across –55 °C to +150 °C with 200 mW power dissipation and 625 °C/W junction-to-ambient thermal resistance when mounted on standard FR-4 PCBs. Reverse leakage remains below 1.0 µA at 75 V and 25 °C, ensuring stable biasing in precision analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Recovery Time | 4.0 ns - enables clean switching in 100+ MHz digital signal paths without tail current distortion |
| Peak Repetitive Reverse Voltage | 75 V - supports operation in 24 V industrial bus interfaces with 3× safety margin |
| Forward Voltage | 0.715 V @ 1 mA - minimizes voltage drop in low-power logic-level clamping networks |
| Total Capacitance | 2.0 pF @ 0 V - preserves signal edge rate in high-speed data line termination |
| Thermal Resistance θJA | 625 °C/W - defines derating to 150 mW at 85 °C ambient on standard FR-4 layout |
| Operating Temperature | –55 °C to +150 °C - qualified for under-hood automotive sensor signal conditioning |
Pinout & Package
Package: SOT363 - ultra-small 6-pin surface-mount plastic package (2.15 mm × 2.10 mm × 1.00 mm), moisture sensitivity level 1, lead-free matte tin plating over Alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (A1) | Anode of Diode 1 | Input node for first switching path; connects to signal source requiring clamping |
| Pin 2 (A2) | Anode of Diode 2 | Independent anode for second signal path; enables dual-rail protection |
| Pin 3 (C1) | Cathode of Diode 1 | Common return for Diode 1; tied to reference rail or pull-up network |
| Pin 4 (C2) | Cathode of Diode 2 | Common return for Diode 2; electrically isolated from C1 in this dual-common-cathode variant |
| Pin 5 (C3) | Common Cathode Tie | Internal bond-wire connection linking C1 and C2; provides shared cathode reference point |
| Pin 6 (A3) | Not Connected | No internal die connection; must be left floating or grounded per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Fast switching speed | 4.0 ns trr ensures minimal propagation delay skew in dual-signal routing |
| Ultra-small SOT363 footprint | 2.15 mm × 2.10 mm area saves >60% board space vs. SOIC-8 dual diodes |
| High conductance at low current | 0.715 V VF @ 1 mA improves noise margin in 3.3 V logic-level translation |
| Low junction capacitance | 2.0 pF CT prevents signal loading on 50 Ω transmission lines up to 200 MHz |
| Automotive-compliant variant available | BAS16TWQ meets AEC-Q101 requirements for engine control unit I/O protection |
Applications
| USB 2.0 Data Line Protection | I²C Bus Level Translation |
|---|---|
Use Scenario: Protecting D+ and D− lines from ESD transients and overvoltage during hot-plug events. IC Role / Device Role / Timing Role: Dual-channel clamping diode array providing bidirectional transient voltage suppression. Use Value: 4.0 ns trr avoids data eye closure; 2.0 pF CT maintains 480 Mbps signal integrity. | Use Scenario: Translating 5 V microcontroller I/O to 3.3 V sensor interface while maintaining open-drain compatibility. IC Role / Device Role / Timing Role: Passive level-shifting diode pair with matched VF characteristics. Use Value: 0.715 V VF at 1 mA enables precise 1.7 V offset; dual SOT363 layout simplifies routing. |
| Industrial PLC Input Conditioning | Automotive CAN Transceiver Bias Network |
Use Scenario: Conditioning 24 V DC digital inputs against field-induced surges and polarity reversal. IC Role / Device Role / Timing Role: Front-end protection diode pair limiting input voltage to MCU GPIO pins. Use Value: 75 V VRRM withstands 2× nominal bus voltage; –55 °C to +150 °C rating supports cabinet-mounted controllers. | Use Scenario: Providing bias current steering and common-mode stabilization in isolated CAN FD physical layer circuits. IC Role / Device Role / Timing Role: Dual-anode diode network establishing stable reference for differential receiver thresholds. Use Value: Matched VF and trr ensure symmetric rise/fall times; BAS16TWQ variant supports AEC-Q101 qualification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual fast-switching diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BAS16TW-7-F | Identical electrical specs and SOT363 package; same die, different part numbering convention | No functional difference; used interchangeably in non-automotive designs | Select when sourcing flexibility or legacy BOM alignment is required |
| MMBD7000-7-F | Higher VF (1.25 V @ 150 mA), slower trr (6.0 ns), same 75 V VRRM and SOT363 package | Less suitable for high-speed logic; preferred for higher-current clamp applications | Choose only if forward current >100 mA is needed and speed penalty is acceptable |
Compared with BAS16TW-7-F, MMBD4148TW-7 offers identical performance but distinct marking and traceability; versus MMBD7000-7-F, it delivers 33% faster switching and 45% lower VF at low current-critical for battery-powered signal conditioning.
Availability
MMBD4148TW-7 is available at Aetrix Electronics and suitable for USB interface protection, I²C level translation, and industrial PLC input conditioning requiring stable component supply and RoHS-compliant sourcing.
Supply support for MMBD4148TW-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in Taiwan and China.
This device belongs to Diodes' general-purpose fast-switching diode product line, engineered specifically for high-density signal integrity applications in portable electronics, industrial automation, and automotive communication subsystems.
FAQ
What is the maximum reverse voltage rating for MMBD4148TW-7?
The MMBD4148TW-7 has a peak repetitive reverse voltage (VRRM) of 75 V and a non-repetitive peak reverse voltage (VRM) of 100 V. These ratings are specified at TA = +25°C and define the maximum sustained and transient reverse bias the diodes can block without breakdown. Derating applies above 25°C per the power derating curve in Figure 1.
Is MMBD4148TW-7 pin-compatible with BAS16TW-7-F?
Yes-MMBD4148TW-7 and BAS16TW-7-F share identical SOT363 pinout, internal schematic, and all electrical specifications. They differ only in part marking and ordering nomenclature; both use Pin 1 (A1), Pin 2 (A2), Pin 3 (C1), Pin 4 (C2), Pin 5 (C3), and Pin 6 (NC) with the same circuit roles and mechanical dimensions.
Does MMBD4148TW-7 meet automotive qualification standards?
No-the MMBD4148TW-7 is not AEC-Q101 qualified. However, its functionally identical automotive-grade counterpart, BAS16TWQ, is fully qualified to AEC-Q101 and shares the same SOT363 package and electrical parameters. Use BAS16TWQ for engine control, body electronics, or ADAS applications requiring automotive reliability validation.
How does the 2.0 pF junction capacitance affect high-frequency performance?
The 2.0 pF total capacitance (measured at VR = 0 V, f = 1 MHz) limits capacitive loading on signal lines, preserving rise/fall times in high-speed interfaces. At 100 MHz, this adds <1.6 Ω reactance in parallel with the load, making it suitable for USB 2.0, LVDS, and I²C buses where signal integrity depends on minimal parasitic loading.
MMBD4148TW-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Diode Configuration:
- 3 Independent
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 75 V
- Current - Average Rectified (Io) (per Diode):
- 150mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 1 µA @ 75 V
- Operating Temperature - Junction:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
MMBD4148TW-7 FAQ
1.How can I place an order for MMBD4148TW-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBD4148TW-7 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 MMBD4148TW-7 reliable?
The price and inventory of MMBD4148TW-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBD4148TW-7 is usually 5 days.
3.What payment methods are accepted for MMBD4148TW-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBD4148TW-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBD4148TW-7?
MMBD4148TW-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBD4148TW-7 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 MMBD4148TW-7?
For technical support, including MMBD4148TW-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBD4148TW-7 requirements.
6.How does Aetrix verify that MMBD4148TW-7 is sourced from the original manufacturer or authorized distributors?
All MMBD4148TW-7 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 MMBD4148TW-7 meets industry standards.
7.What is the process for return or replacement of MMBD4148TW-7?
All MMBD4148TW-7 units undergo pre-shipment inspection (PSI). If there is an issue with MMBD4148TW-7, 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 MMBD4148TW-7 part is unused and in its original packaging.
Return procedure for MMBD4148TW-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBD4148TW-7 Tags
-
BAV99-7-F
Diodes Incorporated
-
BAT54C-7-F
Diodes Incorporated
-
BAV99,215
Nexperia USA Inc.
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BAT54SLT1G
onsemi
-
BAV70LT1G
onsemi
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BAT54CLT1G
onsemi
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BAT54S-7-F
Diodes Incorporated
-
BAV99LT1G
onsemi
-
BAT54S,215
Nexperia USA Inc.
-
BAS40-04LT1G
onsemi
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MMBD1503-TP
Micro Commercial Co
-
BAV99WT1G
onsemi
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