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Product Detailed Parameters
- Description：TRANS PREBIAS PNP SST3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Resistors Included：-
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Resistor - Base (R1)：-
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：47 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max)：-
- Frequency - Transition：-
- Power - Max：-
- 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 DTB143ECT216 is a PNP digital transistor from the ROHM Semiconductor DTB143EK series, featuring built-in bias resistors. It operates with a supply voltage of -50V and a continuous collector current of -500mA. The device incorporates thin-film resistors for R1 and R2, both typically 4.7kΩ, providing a resistance ratio of 1. Key electrical parameters include a DC current gain (hFE) of at least 47 at -50mA/-5V, a transition frequency of 200MHz, and a power dissipation rating of 200mW. Packaged in SST-3 (SOT-23), it supports junction temperatures up to +150°C.
Feature Summary
- Built-in bias resistors enable inverter circuit configuration without external input components.
- Thin-film resistor structure provides complete isolation and eliminates parasitic effects.
- Simplified design process by requiring only on/off condition settings.
Applications
- Inverter circuits
- Interface applications
- Driver circuits
Procurement Notes
Verify the specific ordering suffix 'T216' against official ROHM documentation to confirm packaging details such as tape-and-reel specifications or cut-tape availability. Ensure compatibility with standard SMT reflow profiles for the SST-3 package. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.
Selection Notes
Select this component when a PNP digital transistor with integrated biasing is required for space-constrained designs. The 4.7kΩ internal resistors suit general logic interface applications. Consider the -50V collector-emitter voltage and -500mA current limits to ensure adequate headroom for the target load conditions.
Part Context
This part belongs to the DTB143EK family of digital transistors manufactured by ROHM Semiconductor. The series includes variants like DTB143EC and DTB143ES, which share similar electrical characteristics but differ in packaging codes such as SPT or EMT3. The DTB143ECT216 specifically utilizes the SST-3 surface mount package.
Replacement Considerations
Direct substitutes within the same ROHM family include DTB143EC and DTB143EK. Verify pinout compatibility, particularly regarding the output and input terminal assignments, as variations exist between different package types in the series.
