Panasonic Electronic Components UNR421900A
- Part No.:
- UNR421900A
- Manufacturer:
- Panasonic Electronic Components
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- 3-SIP
- Datasheet:
-
UNR421900A.pdf
- Description:
- TRANS PREBIAS NPN 50V NS-B1
- Quantity:
- Payment:

- Shipping:

Inventory:8,908
Please send an inquiry. Send us your inquiry, and we will respond immediately.
UNR421900A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Panasonic Electronic Components
- Series:
- -
- Package/Case:
- 3-SIP
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Transistor Type:
- NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 1 kOhms
- Resistor - Emitter Base (R2):
- 10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 30 @ 5mA, 10V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 300µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 150 MHz
- Power - Max:
- 300 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- NS-B1
UNR421900A FAQ
1.How can I place an order for UNR421900A through Aetrix?
Please submit a Request for Quotation (RFQ) for UNR421900A 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 UNR421900A reliable?
The price and inventory of UNR421900A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UNR421900A is usually 5 days.
3.What payment methods are accepted for UNR421900A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UNR421900A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UNR421900A?
UNR421900A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UNR421900A 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 UNR421900A?
For technical support, including UNR421900A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UNR421900A requirements.
6.How does Aetrix verify that UNR421900A is sourced from the original manufacturer or authorized distributors?
All UNR421900A 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 UNR421900A meets industry standards.
7.What is the process for return or replacement of UNR421900A?
All UNR421900A units undergo pre-shipment inspection (PSI). If there is an issue with UNR421900A, 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 UNR421900A part is unused and in its original packaging.
Return procedure for UNR421900A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UNR421900A Tags

-
MUN5211T1G
onsemi

-
DTC043ZEBTL
Rohm Semiconductor

-
DTC114EKAT146
Rohm Semiconductor

-
DDTD113ZC-7-F
Diodes Incorporated

-
DRDNB16W-7
Diodes Incorporated

-
PDTC114ET,215
Nexperia USA Inc.

-
PDTC143ZT,215
Nexperia USA Inc.

-
PDTC143ET,215
Nexperia USA Inc.

-
PDTC143XT,215
Nexperia USA Inc.

-
MMUN2211LT1G
onsemi

-
PDTC144ET,215
Nexperia USA Inc.

-
PDTC124ET,215
Nexperia USA Inc.
Tech Hub
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…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…

