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Diodes Incorporated DMB2227A-7
- Part No.:
- DMB2227A-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays
- Package:
- SOT-23-6
- Datasheet:
-
DMB2227A-7.pdf
- Description:
- TRANS NPN/PNP 40V/60V SOT-26
- Quantity:
- Payment:
- Shipping:
Inventory:1,996
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Product details
Overview
DMB2227A-7 from Diodes Incorporated is a complementary NPN/PNP small-signal transistor pair in a single SOT-26 package, integrating one 2222A-type NPN (VCEO = 40 V, IC = 600 mA) and one 2907A-type PNP (VCEO = –60 V, IC = –600 mA), optimized for low-power amplification and switching in dual-rail bias circuits such as push-pull drivers and differential amplifiers.
For engineers reviewing the DMB2227A-7 datasheet, DMB2227A-7 pinout, DMB2227A-7 application, or DMB2227A-7 equivalent, key selection criteria include verified complementary hFE matching (NPN: 35–300, PNP: 50–300), symmetrical saturation voltages (VCE(SAT) ≤ 1.0 V / –1.6 V), thermal resistance (RθJA = 417 °C/W), RoHS-compliant "Green" molding compound, and SOT-26 footprint compatibility with legacy 2222A/2907A layouts.
Technical Context
This dual-transistor device implements discrete complementary topology using epitaxial planar die construction-separate NPN and PNP dice mounted in a shared leadframe. The NPN section mirrors the 2222A's gain-bandwidth product (fT = 300 MHz), while the PNP matches the 2907A's higher fT (200 MHz) under negative bias conditions.
Thermal performance is defined per JEDEC-standard FR-4 PCB layout (1" × 0.85", 0.062" thickness), with junction-to-ambient resistance of 417 °C/W and operation over –55°C to +150°C. Moisture sensitivity is rated Level 1 (J-STD-020C), and terminal finish uses matte tin annealed over copper for MIL-STD-202-compliant solderability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO (NPN) | 40 V - Supports rail-to-rail switching up to ±40 V in low-voltage amplifier stages |
| VCEO (PNP) | –60 V - Enables symmetric high-side switching in dual-supply configurations |
| IC (max) | ±600 mA - Sufficient for driving small relays, LED arrays, or logic-level interface loads |
| PD | 300 mW - Limits continuous dissipation to 300 mW at TA = 25°C on standard FR-4 |
| fT (NPN) | 300 MHz - Allows stable small-signal amplification up to VHF band (e.g., IF stages) |
| fT (PNP) | 200 MHz - Maintains usable bandwidth for complementary RF or audio signal paths |
| RθJA | 417 °C/W - Requires derating above 25°C ambient; full power only viable below ~60°C case temp |
Pinout & Package
Package: SOT-26 (6-pin surface-mount plastic package, UL 94V-0 rated, 0.006 g mass). Dimensions: A = 0.35–0.50 mm, B = 1.50–1.70 mm, C = 2.70–3.00 mm, H = 2.90–3.10 mm, L = 0.35–0.55 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| E1 | NPN Emitter | Common emitter node for NPN half; connects to ground or low-side reference in push-pull output |
| B1 | NPN Base | Control input for NPN transistor; requires current-limited drive to avoid saturation delay |
| C1 | NPN Collector | Output node for NPN half; typically tied to load or pull-up resistor in switching applications |
| E2 | PNP Emitter | Common emitter node for PNP half; connects to positive rail in high-side switch configuration |
| B2 | PNP Base | Control input for PNP transistor; polarity inverted relative to NPN base for complementary drive |
| C2 | PNP Collector | Output node for PNP half; sinks current when active; used in totem-pole or phase-splitter topologies |
Key Features
| Feature | Design Value |
|---|---|
| Complementary Pair Integration | Single SOT-26 package contains matched 2222A (NPN) and 2907A (PNP) transistors, reducing board area and interconnect mismatch |
| Epitaxial Planar Die Construction | Enables tight parameter distribution across both dice, supporting consistent hFE and VBE(SAT) tracking over temperature |
| RoHS & "Green" Compliance | No purposefully added lead; molded with halogen-free, UL 94V-0 compliant compound meeting Diodes Inc.'s environmental policy |
| Moisture Sensitivity Level 1 | Zero bake requirement prior to reflow; suitable for standard SMT assembly without dry-pack handling |
Applications
| Audio Amplifier Stages | DC Motor Driver Half-Bridge |
|---|---|
Use Scenario: Class-A or AB preamplifier output stage requiring matched gain and low crossover distortion. IC Role / Device Role / Timing Role: Complementary transistor pair provides symmetrical current sourcing/sinking capability for analog signal swing. Use Value: Dual-die matching minimizes VBE offset and hFE spread, enabling <1% THD at 1 kHz with ±12 V rails. | Use Scenario: Bidirectional control of small DC motors (e.g., robotics actuators, fan speed regulation). IC Role / Device Role / Timing Role: NPN and PNP halves form an H-bridge half-leg, enabling forward/reverse direction control via PWM. Use Value: Simultaneous VCE(SAT) ≤ 1.0 V (NPN) and ≤ –1.6 V (PNP) ensures <150 mW conduction loss per leg at 300 mA load. |
| LED Matrix Row Drivers | Digital Logic Level Translation |
Use Scenario: Row-select drivers in multiplexed LED displays where sink/source current must be balanced. IC Role / Device Role / Timing Role: NPN sinks column current; PNP sources row current in common-cathode/common-anode matrix architecture. Use Value: Matched IC rating (±600 mA) and fast switching (tr/tf ≤ 40 ns) support >1 kHz refresh rates without ghosting. | Use Scenario: Translating 3.3 V logic outputs to 5 V or 12 V loads in mixed-voltage microcontroller systems. IC Role / Device Role / Timing Role: Acts as discrete level shifter with active pull-up (PNP) and pull-down (NPN) capability. Use Value: Low VBE(SAT) (0.6–1.2 V / –1.3––2.6 V) enables reliable turn-on with minimal base drive overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar complementary transistor pair applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMB2227L-7 | Same die, but marked with "L" suffix indicating tighter hFE binning (hFE = 100–300 for both NPN and PNP at IC = 10 mA) | Better suited for precision current mirror or feedback amplifier designs requiring tighter gain matching | Select DMB2227L-7 when hFE tracking error < ±15% is required; otherwise DMB2227A-7 offers broader availability and cost advantage |
| NSBC114YDP6T5G | Uses digital transistors with integrated base resistors (R1 = 10 kΩ, R2 = 10 kΩ); lower fT (250 MHz NPN, 180 MHz PNP) | Reduces external component count in simple switching applications but sacrifices analog linearity and bandwidth | Choose NSBC114YDP6T5G for fixed-gain digital switching (e.g., GPIO-driven LEDs); retain DMB2227A-7 for analog amplification or high-speed switching |
Compared with DMB2227L-7 and NSBC114YDP6T5G, DMB2227A-7 delivers optimal balance of bandwidth (300/200 MHz), saturation performance (VCE(SAT) ≤ 1.0/–1.6 V), and cost for general-purpose complementary amplification and switching-without sacrificing design flexibility through integrated resistors or narrow hFE bins.
Availability
DMB2227A-7 is available at Aetrix Electronics and suitable for audio amplifier stages, DC motor driver half-bridges, and LED matrix row drivers requiring stable component supply, consistent parametric matching, and RoHS-compliant packaging.
Supply support for DMB2227A-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, specializing in high-reliability, application-optimized components for industrial, computing, and consumer markets.
The DMB2227A series belongs to Diodes' complementary transistor portfolio, designed specifically to replace discrete 2222A/2907A pairs in space-constrained, thermally sensitive applications while preserving legacy electrical behavior and PCB layout compatibility.
FAQ
What is the maximum operating temperature for DMB2227A-7?
The DMB2227A-7 supports junction and storage temperatures from –55°C to +150°C. Its thermal resistance (RθJA = 417 °C/W) means that at 25°C ambient, the junction reaches 132°C at full 300 mW dissipation-well within safe limits. Derating begins linearly above 25°C, reaching zero power at ~100°C ambient.
Does DMB2227A-7 require external base resistors for switching use?
No-DMB2227A-7 contains bare transistors without integrated base resistors. External base resistors must be selected based on drive voltage, desired IB, and target saturation (e.g., IB ≥ IC/10 for robust saturation). This preserves design flexibility for analog gain control or high-speed switching where resistor values impact rise/fall times.
How does the SOT-26 pinout map to standard 2222A/2907A footprints?
The SOT-26 pinout assigns E1/B1/C1 to the 2222A-type NPN and E2/B2/C2 to the 2907A-type PNP, with pin 1 = E1, pin 2 = B1, pin 3 = C1, pin 4 = E2, pin 5 = B2, pin 6 = C2. This layout matches the physical orientation shown in Diodes' AP02001 pad layout guide and maintains identical spacing to discrete SOT-23 placements when used in dual-transistor configurations.
Is DMB2227A-7 suitable for automotive applications?
DMB2227A-7 meets AEC-Q101 stress test requirements for discrete transistors and is qualified for under-hood ambient temperatures up to +105°C (with appropriate derating). Its moisture sensitivity Level 1, halogen-free molding compound, and traceable lot control make it suitable for non-safety-critical automotive subsystems including body control modules, HVAC actuators, and infotainment power stages.
DMB2227A-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 1 NPN, 1 PNP
- Current - Collector (Ic) (Max):
- 600mA
- Voltage - Collector Emitter Breakdown (Max):
- 40V, 60V
- Vce Saturation (Max) @ Ib, Ic:
- 1V @ 50mA, 500mA / 1.6V @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 10nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 150mA, 10V
- Power - Max:
- 300mW
- Frequency - Transition:
- 300MHz, 200MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-26
DMB2227A-7 FAQ
1.How can I place an order for DMB2227A-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMB2227A-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 DMB2227A-7 reliable?
The price and inventory of DMB2227A-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMB2227A-7 is usually 5 days.
3.What payment methods are accepted for DMB2227A-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMB2227A-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMB2227A-7?
DMB2227A-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMB2227A-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 DMB2227A-7?
For technical support, including DMB2227A-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMB2227A-7 requirements.
6.How does Aetrix verify that DMB2227A-7 is sourced from the original manufacturer or authorized distributors?
All DMB2227A-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 DMB2227A-7 meets industry standards.
7.What is the process for return or replacement of DMB2227A-7?
All DMB2227A-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMB2227A-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 DMB2227A-7 part is unused and in its original packaging.
Return procedure for DMB2227A-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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