Diodes Incorporated 2DC4617R-7
- Part No.:
- 2DC4617R-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- SOT-523
- Datasheet:
-
2DC4617R-7.pdf
- Description:
- TRANS NPN 50V 0.15A SOT-523
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
2DC4617R-7 from Diodes Incorporated is a 50V NPN small-signal transistor in SOT523 package, rated for 150mA continuous collector current, 150mW power dissipation, and 180–390 DC current gain (hFE) at VCE = 6V and IC = 1mA. It serves as a general-purpose switching or amplification device in compact, high-reliability consumer and automotive signal paths.
For engineers reviewing the 2DC4617R-7 datasheet, 2DC4617R-7 pinout, 2DC4617R-7 application, or 2DC4617R-7 equivalent, key selection criteria include its AEC-Q101 qualification, 833°C/W thermal resistance, 140MHz fT, 0.4V VCE(SAT) at 50mA/5mA drive, and SOT523 footprint compatibility with space-constrained PCB layouts.
Technical Context
This NPN transistor operates in linear or saturated switching modes with verified breakdown ratings: VCEO = 50V, VCBO = 60V, and VEBO = 7V. Its hFE bin (R-grade) guarantees 180–390 at IC = 1mA, enabling predictable biasing in low-power amplifier stages.
Thermal performance is defined by RθJA = 833°C/W on 1oz FR4, with derated power dissipation down to ~50mW at +100°C ambient. ESD robustness includes 4kV HBM and 400V MM ratings per JEDEC standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before avalanche conduction in common-emitter configuration |
| IC (max) | 150 mA - Continuous collector current limit defining usable load drive capability |
| PD (TA=25°C) | 150 mW - Steady-state power handling on standard PCB layout; derates linearly above 25°C |
| hFE (R-grade) | 180–390 - Guaranteed DC current gain range at VCE=6V, IC=1mA for stable bias design |
| fT | 140 MHz - Transition frequency indicating usable bandwidth for RF or high-speed switching up to ~100MHz |
| VCE(SAT) | 0.4 V @ IC=50mA, IB=5mA - Low saturation voltage ensures minimal conduction loss in switch applications |
| RθJA | 833 °C/W - Thermal resistance from junction to ambient under specified PCB conditions |
Pinout & Package
Package: SOT523 - ultra-small surface-mount plastic case (1.60 × 1.60 × 0.75 mm), UL 94V-0 rated, lead-free and halogen-free, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Emitter terminal | Reference node for current flow; connects to ground or low-side return path in common-emitter circuits |
| 2 (Base) | Control input | Receives bias current to modulate collector current; requires current-limiting resistor in discrete driver designs |
| 3 (Collector) | Output current path | Carries switched or amplified load current; connects to supply rail or active load in typical configurations |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and body electronics requiring high reliability |
| SOT523 footprint | Enables <1.0 mm² board area usage-critical for wearables, sensor nodes, and miniaturized power management |
| 180–390 hFE bin | Reduces need for gain-trimming resistors in production amplifiers and provides consistent turn-on behavior across batches |
| 4 kV HBM ESD rating | Supports robust handling during automated assembly and improves field reliability in unshielded environments |
Applications
| Automotive Body Control Module | Portable Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving LED indicators and small relays in door module PCBs exposed to temperature cycling and vibration. IC Role / Device Role / Timing Role: NPN switch controlling 12V loads with logic-level base drive from microcontroller GPIO. Use Value: AEC-Q101 qualification ensures long-term operation at −40°C to +125°C ambient; low VCE(SAT) minimizes heat generation in sealed enclosures. | Use Scenario: Amplifying weak analog outputs from MEMS accelerometers or temperature sensors in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Common-emitter small-signal amplifier stage with fixed-gain bias network. Use Value: High hFE bin enables stable gain without feedback trimming; SOT523 size allows integration near sensor die without trace length penalties. |
| USB-C Port Protection Circuitry | Industrial PLC Input Isolation Stage |
Use Scenario: Level-shifting and transient clamping for CC line detection logic in USB-C receptacles. IC Role / Device Role / Timing Role: Fast-switching NPN used in discrete overvoltage protection and signal routing paths. Use Value: 140MHz fT supports clean edge response for 100kHz–1MHz signaling; 60V VCBO withstands induced transients on hot-plug interfaces. | Use Scenario: Optocoupler driver stage translating 24V industrial logic signals to 3.3V microcontroller inputs. IC Role / Device Role / Timing Role: Saturated switch interfacing between isolated field-side and controller-side domains. Use Value: 150mA IC rating handles opto-LED forward current reliably; 833°C/W RθJA permits operation without heatsinking in dense DIN-rail mounted boards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN small-signal transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847BR,115 (Nexperia) | Same SOT523 package; hFE = 200–450 (R-grade); VCEO = 45V; lower fT (100MHz) | Marginally lower voltage rating limits use in 48V auxiliary rails; suitable for 3.3V/5V logic interface only | Select when cost sensitivity outweighs 5V VCEO margin and 40MHz fT penalty is acceptable |
| MMBT3904LT1G (onsemi) | SOT-23 package (larger footprint); hFE = 100–300; VCEO = 40V; fT = 300MHz | Requires PCB redesign due to different pad layout; higher fT supports faster switching but lower voltage rating reduces system margin | Choose only if existing SOT-23 layout exists and 300MHz bandwidth is required despite reduced voltage headroom |
Compared with BC847BR and MMBT3904LT1G, the 2DC4617R-7 uniquely balances AEC-Q101 compliance, 50V VCEO, SOT523 miniaturization, and 140MHz fT-making it optimal for next-gen automotive and space-constrained industrial signal chains where voltage margin and footprint are non-negotiable.
Availability
2DC4617R-7 is available at Aetrix Electronics and suitable for automotive body electronics, portable sensor nodes, USB-C interface protection, and industrial PLC input stages requiring stable component supply and full traceability.
Supply support for 2DC4617R-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, energy-efficient components for automotive, industrial, and consumer markets.
The 2DC4617R-7 belongs to Diodes' AEC-Q101-qualified small-signal transistor family, engineered for compact, thermally efficient switching and amplification in harsh-environment electronics where footprint, voltage margin, and process consistency are critical.
FAQ
Is the 2DC4617R-7 pin-compatible with other SOT523 NPN transistors?
Yes-the 2DC4617R-7 uses standard SOT523 pinout (Emitter-Base-Collector, left-to-right top view), matching industry conventions. This enables direct substitution with other SOT523-packaged NPN devices like BC847BR or MMBT2222AL, provided voltage, gain, and thermal requirements are verified.
What is the maximum operating temperature for continuous use?
The 2DC4617R-7 has an operating junction temperature range of −55°C to +150°C. For continuous operation, ambient temperature must be limited to ≤+100°C when dissipating ≥50mW, based on its 833°C/W RθJA and derating curve in the datasheet.
Does the "R" suffix indicate a specific hFE bin?
Yes-the "R" in 2DC4617R-7 denotes the middle hFE bin: guaranteed 180–390 at VCE = 6V and IC = 1mA. This bin provides tighter gain distribution than the "Q" (120–270) or "S" (270–560) variants, improving predictability in bias-critical analog stages.
Can this transistor be used in linear amplifier configurations?
Yes-it is characterized for linear operation with specified fT, output capacitance (Cobo = 2–3.5pF), and hFE linearity across IC. Designers should maintain VCE > 1V and limit power dissipation using the derating curve to avoid thermal runaway in Class-A stages.
2DC4617R-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 150 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Vce Saturation (Max) @ Ib, Ic:
- 400mV @ 5mA, 50mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 180 @ 1mA, 6V
- Power - Max:
- 150 mW
- Frequency - Transition:
- 180MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-523
2DC4617R-7 FAQ
1.How can I place an order for 2DC4617R-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 2DC4617R-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 2DC4617R-7 reliable?
The price and inventory of 2DC4617R-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2DC4617R-7 is usually 5 days.
3.What payment methods are accepted for 2DC4617R-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2DC4617R-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 2DC4617R-7?
2DC4617R-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 2DC4617R-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 2DC4617R-7?
For technical support, including 2DC4617R-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2DC4617R-7 requirements.
6.How does Aetrix verify that 2DC4617R-7 is sourced from the original manufacturer or authorized distributors?
All 2DC4617R-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 2DC4617R-7 meets industry standards.
7.What is the process for return or replacement of 2DC4617R-7?
All 2DC4617R-7 units undergo pre-shipment inspection (PSI). If there is an issue with 2DC4617R-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 2DC4617R-7 part is unused and in its original packaging.
Return procedure for 2DC4617R-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
2DC4617R-7 Tags

-
MMBT3906LT1G
onsemi

-
MMBT3904-7-F
Diodes Incorporated

-
MMBT3904LT1G
onsemi

-
MMBT3906-7-F
Diodes Incorporated

-
MMBT3904-TP
Micro Commercial Co

-
MMBT2222A-7-F
Diodes Incorporated

-
BC846BLT1G
onsemi

-
BC847B,215
Nexperia USA Inc.

-
SMMBT3904LT1G
onsemi

-
MMBT2222A-TP
Micro Commercial Co

-
MMBTA06LT1G
onsemi

-
MMBT2222ALT1G
onsemi
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