Diodes Incorporated 2DA1213Y-13
- Part No.:
- 2DA1213Y-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
2DA1213Y-13.pdf
- Description:
- TRANS PNP 50V 2A SOT-89-3
- Quantity:
- Payment:

- Shipping:

Inventory:9,720
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
2DA1213Y-13 from Diodes Incorporated is a 50V PNP power switching transistor in SOT89 package, rated for -2A continuous collector current, -50V VCEO, and -0.5V VCE(sat) at IC = -1A / IB = -50mA. It delivers high DC current gain (hFE = 120–240 at IC = -500mA), operates from -55°C to +150°C, and is used in automotive body control modules for load switching of solenoids and relays.
For engineers reviewing the 2DA1213Y-13 datasheet, 2DA1213Y-13 pinout, 2DA1213Y-13 application, or 2DA1213Y-13 equivalent, key selection criteria include verified PNP switching capability, thermal resistance (RθJL = 18.3°C/W), JEDEC-qualified reliability, RoHS/Green compliance, and SOT89 mechanical compatibility with high-current PCB layouts.
Technical Context
This PNP bipolar junction transistor functions as a high-side switch in low-voltage DC systems, supporting pulsed operation up to 2.5A peak with <300µs pulse width and ≤2% duty cycle. Its fT = 160MHz enables fast switching transitions, while Cobo = 17pF at VCB = -10V ensures predictable capacitive loading in driver circuits.
The device uses a planar epitaxial die structure with a thermally optimized SOT89 leadframe featuring an exposed collector pad. Junction-to-leads thermal resistance (18.3°C/W) is measured to the solder point on that pad-critical for thermal design in space-constrained automotive modules where ambient temperature exceeds 105°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -50V - Withstands reverse collector-emitter voltage up to 50V in off-state, suitable for 24V automotive battery rail switching. |
| IC (cont.) | -2A - Supports sustained load currents typical of fuel injectors, window lift motors, and HVAC actuators without derating at TA ≤ 75°C. |
| VCE(sat) | -0.5V @ IC = -1A / IB = -50mA - Limits conduction loss to ≤500mW per switch, enabling efficient thermal management on 15mm × 15mm copper pads. |
| hFE | 120–240 @ IC = -500mA - Ensures stable base drive requirements across production lots and temperature extremes (-55°C to +150°C). |
| fT | 160MHz - Enables clean turn-on/turn-off edges (ton = 25ns, ts = 130ns) in PWM-controlled loads operating up to ~50kHz. |
| RθJL | 18.3°C/W - Direct thermal path from junction to solder point allows accurate junction temperature estimation using board-level IR measurement of the exposed collector pad. |
Pinout & Package
Package: SOT89 - Surface-mount plastic package with exposed collector pad for enhanced thermal dissipation; dimensions per JEDEC MO-203AA (D2 = 1.71 mm, E2 = 2.20 mm, L = 1.05 mm).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | Current sink terminal | Connected to load return path; must be routed with low-inductance trace to minimize voltage spikes during turn-off. |
| Pin 2 (Base) | Control input | Receives negative current to saturate; requires series resistor to limit IB ≤ -500mA and ensure hFE-based drive margin. |
| Pin 3 (Collector) | Power output terminal | Exposed metal pad on underside - electrically and thermally connected to collector; must be soldered to ≥15 mm² copper area for RθJL spec compliance. |
Key Features
| Feature | Design Value |
|---|---|
| High-reliability qualification | JEDEC-compliant for automotive-grade stress testing (AEC-Q101 referenced); manufactured in IATF 16949-certified facility. |
| Green material system | Halogen- and antimony-free molding compound (<900 ppm Br/Cl, <1000 ppm Sb); UL 94V-0 flammability rating. |
| Thermal performance | RθJL = 18.3°C/W enables >0.8W steady-state power handling on standard FR4 with 1 oz copper when mounted per recommended pad layout. |
| Robust switching behavior | Storage time ts = 130ns and fall time tf = 12ns support reliable PWM operation without cross-conduction in half-bridge auxiliary drivers. |
Applications
| Automotive Body Control Unit | Industrial Solenoid Driver |
|---|---|
Use Scenario: Switching 12V/24V solenoid valves in door lock actuators and trunk release mechanisms. IC Role / Device Role / Timing Role: High-side PNP switch controlling ground-return load current with fast turn-off to prevent valve chatter. Use Value: Low VCE(sat) minimizes heat generation in sealed ECUs; wide TJ range (-55°C to +150°C) ensures cold-cranking and under-hood reliability. |
Use Scenario: Driving 2A-rated pneumatic solenoids in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: Discrete power stage replacing integrated drivers where external current sensing or fault isolation is required. Use Value: Verified 2.5A pulse rating supports inrush current of solenoids; SOT89 footprint allows direct replacement of legacy TO-92 or SOT23-3 designs with improved thermal headroom. |
| LED Load Monitor Interface | DC Motor Brake Circuit |
Use Scenario: Monitoring LED string current via emitter-sense resistor while providing active pull-down path. IC Role / Device Role / Timing Role: Current-sensing PNP switch with base driven by op-amp comparator output. Use Value: Tight hFE distribution (120–240) enables accurate current mirroring; low Cobo prevents false triggering from EMI coupling into base node. |
Use Scenario: Shorting motor terminals during dynamic braking in 24V DC gearmotor controllers. IC Role / Device Role / Timing Role: Low-loss freewheeling path activated after H-bridge high-side turn-off. Use Value: -50V VCEO withstands back-EMF spikes >35V; fast tf = 12ns limits brake energy dissipation time and improves response consistency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZTX951 | VCEO = -60V, IC = -1A, hFE = 100–300, SOT89 package, but RθJA = 150°C/W (vs. 125°C/W for 2DA1213Y-13) | Higher voltage margin but lower current rating; less suitable for sustained 2A loads above 70°C ambient | Select when higher breakdown voltage is prioritized over continuous current capacity and thermal efficiency. |
| MJD2955T4G | VCEO = -60V, IC = -10A, TO-220 package, RθJA = 40°C/W, but requires heatsink and larger PCB area | Higher power handling but incompatible SMT footprint; not drop-in for space-constrained SOT89 layouts | Choose only when system-level thermal budget permits TO-220 mounting and board real estate allows full through-hole rework. |
Compared with ZTX951 and MJD2955T4G, the 2DA1213Y-13 uniquely balances 2A continuous current, SOT89 surface-mount compatibility, and 18.3°C/W junction-to-pad thermal resistance-making it optimal for compact, high-temperature automotive and industrial switching nodes where both size and thermal performance are constrained.
Availability
2DA1213Y-13 is available at Aetrix Electronics and suitable for automotive body control units, industrial solenoid drivers, LED load monitors, and DC motor brake circuits requiring stable component supply, AEC-Q101-aligned reliability, and RoHS/Green compliance.
Supply support for 2DA1213Y-13 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 the Americas.
The 2DA1213Y-13 belongs to Diodes' high-reliability PNP power transistor product line, engineered specifically for automotive and industrial switching applications demanding robust thermal performance, JEDEC-qualified stress endurance, and green material compliance.
FAQ
Is 2DA1213Y-13 qualified to AEC-Q101?
No-the 2DA1213Y-13 is JEDEC-qualified and manufactured in IATF 16949-certified facilities, but it carries no AEC-Q101 certification. Diodes offers the automotive-grade 2DA1213Q-13 variant (with Q-suffix) for applications requiring formal PPAP submission and AEC-Q101 stress test validation.
What is the maximum allowable base current for continuous operation?
The absolute maximum rated base current is -500mA, but for reliable continuous operation at IC = -2A, the datasheet specifies IB = -50mA at VCE = -2V. Exceeding -50mA does not improve saturation and risks localized heating at the base-emitter junction.
Can 2DA1213Y-13 replace 2DA1213O-13 in new designs?
Yes-both share identical electrical specifications and SOT89 packaging, but 2DA1213Y-13 has higher hFE (120–240 vs. 70–140), enabling reduced base drive current. The O-version is obsolete; Y-version is active and recommended for all new designs requiring guaranteed gain performance.
Does the exposed collector pad require electrical connection?
Yes-the exposed pad is internally connected to the collector terminal and must be soldered to a PCB copper pour. Leaving it unconnected degrades thermal performance, invalidates RθJL = 18.3°C/W, and may cause premature thermal failure under sustained 2A load conditions.
2DA1213Y-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 50mA, 1A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 120 @ 500mA, 2V
- Power - Max:
- 1 W
- Frequency - Transition:
- 160MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
2DA1213Y-13 FAQ
1.How can I place an order for 2DA1213Y-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 2DA1213Y-13 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 2DA1213Y-13 reliable?
The price and inventory of 2DA1213Y-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2DA1213Y-13 is usually 5 days.
3.What payment methods are accepted for 2DA1213Y-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2DA1213Y-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 2DA1213Y-13?
2DA1213Y-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 2DA1213Y-13 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 2DA1213Y-13?
For technical support, including 2DA1213Y-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2DA1213Y-13 requirements.
6.How does Aetrix verify that 2DA1213Y-13 is sourced from the original manufacturer or authorized distributors?
All 2DA1213Y-13 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 2DA1213Y-13 meets industry standards.
7.What is the process for return or replacement of 2DA1213Y-13?
All 2DA1213Y-13 units undergo pre-shipment inspection (PSI). If there is an issue with 2DA1213Y-13, 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 2DA1213Y-13 part is unused and in its original packaging.
Return procedure for 2DA1213Y-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
2DA1213Y-13 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
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

