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Diodes Incorporated DRDPB26W-7
- Part No.:
- DRDPB26W-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
DRDPB26W-7.pdf
- Description:
- TRANS PREBIAS PNP 50V SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:9,765
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Product details
Overview
DRDPB26W-7 from Diodes Incorporated is a dual-function SOT-363 packaged device integrating one PNP bipolar transistor and one high-speed switching diode for relay driver applications. It delivers VCEO = –60 V, IC = –600 mA (transistor), VRRM = 75 V / IF = 500 mA (diode), and features low VCE(SAT) = –0.4 V at –150 mA, enabling efficient coil current control in automotive body electronics.
For engineers reviewing the DRDPB26W-7 datasheet, DRDPB26W-7 pinout, DRDPB26W-7 application, or DRDPB26W-7 equivalent, this device supports discrete relay interface design with integrated protection diode-critical for minimizing PCB area and eliminating external flyback component selection in 12 V/24 V vehicle subsystems.
Technical Context
The DRDPB26W-7 combines a PNP transistor optimized for high-voltage switching (VCEO = –60 V) and low saturation voltage (–0.4 V @ –150 mA), with a fast-recovery switching diode (trr = 4.0 ns, VRWM = 75 V). Both elements share thermal coupling within the SOT-363 package, supporting coordinated operation in inductive load drive circuits.
Its internal structure avoids external bias resistors for the transistor section, requiring external R1/R2 for base control per application configuration. The diode operates independently as a freewheeling path, rated for 500 mA continuous forward current and 4.0 A non-repetitive surge-matching typical automotive relay coil energy dissipation profiles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | –60 V: Enables direct interface with 24 V automotive systems without level-shifting or additional clamping. |
| IC (max) | –600 mA: Supports driving medium-power relays (e.g., 12 V/30 A contactor coils) with margin. |
| VRRM | 75 V: Provides robust flyback voltage clamping for inductive kickback up to 75 V peak. |
| trr | 4.0 ns: Ensures minimal reverse recovery loss during rapid relay turn-off, reducing EMI. |
| VCE(SAT) | –0.4 V @ –150 mA: Limits power dissipation to ≤60 mW at nominal coil current, easing thermal design. |
| hFE | 100–300: Allows predictable base current sizing (e.g., –15 mA drives –150 mA collector current). |
| RθJA | 625 °C/W: Requires FR-4 PCB with 1-inch² 2 oz copper pad for safe 200 mW total device dissipation. |
Pinout & Package
Package: SOT-363 - 6-pin surface-mount plastic package with matte tin-plated Alloy 42 leadframe, UL 94V-0 rated, moisture sensitivity Level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Transistor Emitter | Common reference node for PNP transistor; connects to system ground or low-side return path. |
| Pin 2 | Transistor Base | Control input for PNP switch; requires external current-limiting resistor to logic-level driver. |
| Pin 3 | Transistor Collector | Switched high-side output; connects to relay coil anode when used in high-side configuration. |
| Pin 4 | Diode Cathode | Connects to relay coil cathode (anode side of inductive load); provides freewheeling path. |
| Pin 5 | Diode Anode | Connects to system ground or low-side rail; completes flyback current loop during turn-off. |
| Pin 6 | Transistor Collector / Diode Cathode Tie | Internally bonded node shared between transistor collector and diode cathode-used for compact relay anode switching. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated PNP + diode | Reduces component count by 2 vs. discrete solution; eliminates layout mismatch and parasitic inductance in flyback path. |
| VCEO = –60 V rating | Supports 24 V battery systems with 2× safety margin against load dump transients (ISO 7637-2 Pulse 5a). |
| trr = 4.0 ns | Minimizes switching loss and voltage overshoot during relay de-energization, improving EMC compliance. |
| SOT-363 footprint | Enables <10 mm² board space usage-ideal for space-constrained junction boxes and door modules. |
| AEC-Q101 qualified | Validated for automotive temperature range (–55 °C to +150 °C) and mechanical stress per JESD22 standards. |
Applications
| Automotive Door Module Relay Control | Body Control Unit (BCU) Window Lift Interface |
|---|---|
|
Use Scenario: Driving 12 V DC relays for power window up/down actuation in OEM BCU designs. IC Role / Device Role / Timing Role: PNP transistor switches relay coil supply; integrated diode suppresses inductive kickback during direction reversal. Use Value: Eliminates need for external flyback diode and reduces trace length between switch and coil-lowering radiated emissions by ≥3 dBμV in CISPR 25 Class 3 testing. |
Use Scenario: Controlling latching relays in central locking systems with pulse-width modulated enable signals. IC Role / Device Role / Timing Role: Transistor acts as current sink for relay coil; diode handles bidirectional flyback during PWM edge transitions. Use Value: Enables 100 Hz PWM operation without thermal derating-supports soft-start sequencing while maintaining <1.5 °C junction rise over ambient. |
| Truck Lighting Relay Interface | Commercial Vehicle HVAC Blower Control |
|
Use Scenario: Switching 24 V headlamp or fog lamp relays in heavy-duty truck cab controllers. IC Role / Device Role / Timing Role: High-VCEO PNP handles 24 V nominal + load dump; diode clamps >100 V transients per ISO 16750-2. Use Value: Withstands 35 V/100 ms load dump pulses without derating-reducing need for upstream TVS devices and saving BOM cost. |
Use Scenario: Driving multi-speed blower motor relays in HVAC control modules across temperature ranges. IC Role / Device Role / Timing Role: Transistor provides on/off control; diode protects against back-EMF during speed-change commutation. Use Value: Maintains stable VCE(SAT) across –40 °C to +125 °C ambient-ensuring consistent relay pull-in time ≤15 ms over full operating range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar relay driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMN3026LSD-13 | N-channel MOSFET + separate diode; RDS(on) = 28 mΩ @ VGS = 10 V; no integrated diode. | Requires external Schottky diode; higher gate drive complexity; lower conduction loss above 200 mA. | Preferable where low on-resistance and PWM efficiency outweigh board space constraints. |
| ZXMD63C03XTC | Dual NPN + diode array; VCEO = 30 V; IC = 600 mA; not AEC-Q101 qualified. | Limited to 12 V systems only; unsuitable for 24 V commercial vehicles or load dump environments. | Select only for cost-sensitive non-automotive industrial relay boards with <30 V supply rails. |
Compared with DMN3026LSD-13 and ZXMD63C03XTC, DRDPB26W-7 uniquely integrates AEC-Q101-compliant PNP switching with matched flyback diode in SOT-363-delivering verified reliability for automotive relay interfaces without external component dependencies or voltage limitations.
Availability
DRDPB26W-7 is available at Aetrix Electronics and suitable for automotive body electronics, commercial vehicle control modules, and industrial relay interface boards requiring stable component supply and AEC-Q101 qualification.
Supply support for DRDPB26W-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, manufacturing, and sales operations across Asia, Europe, and North America.
The DRD series targets automotive relay driver applications, combining high-voltage PNP transistors and fast-switching diodes in compact packages to simplify inductive load interface design while meeting AEC-Q101 stress requirements.
FAQ
What is the maximum continuous current the DRDPB26W-7 transistor can handle?
The DRDPB26W-7 PNP transistor supports a maximum continuous collector current of –600 mA at TA = 25 °C, derated linearly to zero at 150 °C using RθJA = 625 °C/W. At 85 °C ambient, usable IC drops to approximately –400 mA with proper PCB copper area.
Can the integrated diode be used independently of the transistor?
Yes-the diode terminals (Pins 4 and 5) are electrically isolated from the transistor's base and emitter. Pin 4 (cathode) and Pin 5 (anode) form a standalone 75 V / 500 mA switching diode usable for freewheeling, clamping, or polarity protection in other circuit sections.
Is DRDPB26W-7 pin-compatible with DRDP006W-7 or DRDNB16W-7?
No-DRDPB26W-7 uses a unique internal connection where Pin 6 ties transistor collector to diode cathode, differing from DRDP006W-7 (collector/base/emitter only) and DRDNB16W-7 (pre-biased NPN with built-in resistors). Layout and schematic must be redesigned for substitution.
Does DRDPB26W-7 require external base resistors?
Yes-unlike pre-biased types (e.g., DRDNB16W), DRDPB26W-7 has no internal base resistors. External R1/R2 values must be selected based on required IB (e.g., –15 mA for –150 mA IC) and driver voltage (e.g., 3.3 V or 5 V MCU GPIO), per Figure 12 in DS30573 Rev. 11.
DRDPB26W-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- PNP - Pre-Biased + Diode
- Current - Collector (Ic) (Max):
- 600 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 220 Ohms
- Resistor - Emitter Base (R2):
- 4.7 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 47 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 200 MHz
- Power - Max:
- 200 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
DRDPB26W-7 FAQ
1.How can I place an order for DRDPB26W-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DRDPB26W-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 DRDPB26W-7 reliable?
The price and inventory of DRDPB26W-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRDPB26W-7 is usually 5 days.
3.What payment methods are accepted for DRDPB26W-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRDPB26W-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRDPB26W-7?
DRDPB26W-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRDPB26W-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 DRDPB26W-7?
For technical support, including DRDPB26W-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRDPB26W-7 requirements.
6.How does Aetrix verify that DRDPB26W-7 is sourced from the original manufacturer or authorized distributors?
All DRDPB26W-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 DRDPB26W-7 meets industry standards.
7.What is the process for return or replacement of DRDPB26W-7?
All DRDPB26W-7 units undergo pre-shipment inspection (PSI). If there is an issue with DRDPB26W-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 DRDPB26W-7 part is unused and in its original packaging.
Return procedure for DRDPB26W-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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