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Product Detailed Parameters
- Description：TRANS PREBIAS NPN 50V SC70-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Resistors Included：R1 Only
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：10 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：160 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic：250mV @ 1mA, 10mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：-
- Power - Max：202 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SC-70-3 (SOT323)
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Overview
The onsemi MUN5215T1 is an NPN Silicon Bias Resistor Transistor (BRT) housed in the SC-70/SOT-323 package. It integrates a single transistor with a monolithic bias network consisting of a series base resistor and an open base-emitter path. The device supports a maximum collector current of 100 mAdc and withstands collector-base and collector-emitter voltages up to 50 Vdc. Total device dissipation is rated at 202 mW, derating by 1.6 mW/°C above 25°C. The junction and storage temperature range spans from -55°C to +150°C.
Feature Summary
- Integrates a single NPN transistor with a monolithic bias network containing a series base resistor and an open base-emitter path.
- Designed to replace discrete devices and external resistor bias networks, reducing system cost and board space.
- SC-70/SOT-323 package features modified gull-winged leads that absorb thermal stress during wave or reflow soldering.
Applications
- Level shifting between 12V or 24V circuits and logic levels
- Open collector inverter configurations for signal inversion
- Unregulated current source implementations
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm Pb-Free status via ordering suffixes. Validate datasheet revisions against manufacturing dates. Ensure proper handling procedures are followed during surface mount assembly.
Selection Notes
Select this component when a compact NPN switching solution with integrated biasing is required. The specific resistor configuration suits applications needing high input impedance without a base-emitter shunt resistor. Verify thermal requirements against the 202 mW dissipation limit.
Part Context
Part of the MUN5211T1 Series preferred devices from onsemi. This series offers various resistor combinations within the same SC-70/SOT-323 footprint to simplify circuit design and reduce component count across different logic interface requirements.
Replacement Considerations
MUN5215T1G serves as the direct Pb-Free equivalent within the same series. Cross-manufacturer replacements require matching the NPN polarity, 50V voltage ratings, 100mA current limits, and the specific 10kΩ series base resistor configuration.
