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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V 0.5A SST3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 and R2
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：10 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：56 @ 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
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SST3
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Overview
The DTB114ECT116 is a PNP digital transistor from ROHM Semiconductor, featuring built-in bias resistors to simplify circuit design. It operates with a collector-emitter voltage of -50 V and a continuous collector current of -500 mA. The device includes an input resistor (R1) of 10 kΩ and an emitter-base resistor (R2) of 10 kΩ. Key electrical specifications include a DC current gain (hFE) minimum of 56 at -50 mA and -5 V, a maximum operating frequency of 200 MHz, and power dissipation of 200 mW. It is housed in an SST3 (SOT-23-3) surface-mount package.
Feature Summary
- Built-in biasing resistors enable inverter circuit configuration without external input resistors.
- Simplified operation requiring only on/off condition settings for circuit design.
- Complementary NPN type available as DTD114EC.
Applications
- Inverter circuits
- Digital switching applications
- Low-voltage signal processing
Procurement Notes
Verify the specific suffix T116 confirms the tape-and-reel packaging format containing 3000 units per reel. Confirm RoHS compliance status and ensure the component meets standard-grade requirements, noting that this product is not recommended for automotive equipment applications. Cross-reference the manufacturer part number with official datasheets to validate pinout and thermal characteristics before procurement.
Selection Notes
Select this component when a PNP digital transistor with 10 kΩ bias resistors is required for space-constrained designs. The SOT-23-3 package suits surface-mount assembly processes. Ensure the application voltage does not exceed -50 V and current limits remain within -500 mA. Consider the complementary DTD114EC if an NPN equivalent is needed for push-pull configurations.
Part Context
This part belongs to the DTx series of digital transistors from ROHM Semiconductor. These devices integrate bipolar junction transistors with internal biasing networks to reduce component count and board space. The DTB114ECT116 specifically addresses PNP logic interface needs in portable and consumer electronics where simplified biasing is advantageous.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the source material. Verify compatibility with alternative PNP digital transistors having similar -50V/-500mA ratings and 10kΩ/10kΩ resistor ratios. Check pinout alignment and thermal resistance values before substitution.
