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Transistors / RF Small Signal Bipolar Transistors / MMBTH81
Datasheets
MMBTH81 by:

50 mA, 20 V PNP RF Bipolar Junction Transistor, SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P, 3000-REEL

Part Details for MMBTH81 by onsemi

Results Overview of MMBTH81 by onsemi

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Applications Consumer Electronics Audio and Video Systems

MMBTH81 Information

MMBTH81 by onsemi is an RF Small Signal Bipolar Transistor.
RF Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for MMBTH81

Part # Distributor Description Stock Price Buy
DISTI # 86AK5583
Newark Rf Transistors (Bjt), Transistor Polarity:Pnp, Collector Emitter Voltage V(Br)Ceo:20V, Transition Frequency Ft:600Mhz, Power Dissipation Pd:225Mw, Dc Collector Current:-50Ma, Dc Current Gain Hfe:60Hfe, Rf Transistor Case:Sot-23, No. Rohs Compliant: Yes |Onsemi MMBTH81 RoHS: Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 1 Container: Reel 6000
  • 3,000 $0.0680
  • 6,000 $0.0550
  • 12,000 $0.0480
  • 18,000 $0.0450
  • 30,000 $0.0400
$0.0400 / $0.0680 Buy Now
DISTI # 58K9429
Newark Bipolar Transistor, Pnp, -20V Sot-23-3, Transistor Polarity:Pnp, Collector Emitter Voltage Max:20V, Transition Frequency:600Mhz, Power Dissipation:225Mw, Continuous Collector Current:50Ma, No. Of Pins:3Pins, Product Range:- Rohs Compliant: Yes |Onsemi MMBTH81 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape 35
  • 1 $0.3370
  • 25 $0.1740
  • 50 $0.1340
  • 100 $0.0940
  • 250 $0.0900
  • 500 $0.0870
$0.0870 / $0.3370 Buy Now
DISTI # 58K9429
Avnet Americas Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R - Product that comes on tape, but is not reeled (Alt: 58K9429) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 18 Weeks, 4 Days Container: Ammo Pack 35 Partner Stock
  • 1 $0.0830
$0.0830 Buy Now
DISTI # MMBTH81
Avnet Americas Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTH81) RoHS: Compliant Min Qty: 18000 Package Multiple: 3000 Lead time: 10 Weeks, 0 Days Container: Reel 0
  • 18,000 $0.0398
  • 24,000 $0.0390
  • 42,000 $0.0384
  • 90,000 $0.0378
  • 180,000 $0.0372
$0.0372 / $0.0398 Buy Now
DISTI # MMBTH81
Avnet Americas Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTH81) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 10 Weeks, 0 Days Container: Reel 0
  • 3,000 $0.0398
  • 6,000 $0.0390
  • 12,000 $0.0384
  • 18,000 $0.0378
  • 24,000 $0.0372
$0.0372 / $0.0398 Buy Now
Rochester Electronics RF Small Signal Bipolar Transistor, 0.05A, Very High Frequency Band, PNP, TO-236AA RoHS: Compliant Status: Active Min Qty: 1 70
  • 1 $0.0407
  • 25 $0.0399
  • 100 $0.0383
  • 500 $0.0366
  • 1,000 $0.0346
$0.0346 / $0.0407 Buy Now
DISTI # MMBTH81
TME Transistor: PNP, bipolar, RF, 20V, 50mA, 225mW, SOT23 Min Qty: 1 161
  • 1 $0.2631
  • 5 $0.1657
  • 10 $0.1378
  • 50 $0.1111
  • 100 $0.0779
  • 500 $0.0682
  • 3,000 $0.0529
  • 9,000 $0.0474
$0.0474 / $0.2631 Buy Now
Ameya Holding Limited MMBTH81 Series 20 V CE Breakdown .05 A PNP RF Transistor - SOT-23 53864
RFQ
DISTI # MMBTH81
Avnet Asia Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R (Alt: MMBTH81) RoHS: Compliant Min Qty: 18000 Package Multiple: 3000 Lead time: 10 Weeks, 0 Days 0
  • 18,000 $0.0386
  • 36,000 $0.0381
  • 54,000 $0.0376
  • 90,000 $0.0371
  • 180,000 $0.0362
  • 450,000 $0.0353
  • 900,000 $0.0345
$0.0345 / $0.0386 Buy Now
DISTI # MMBTH81
Avnet Silica Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R (Alt: MMBTH81) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days Silica - 0
Buy Now
DISTI # C1S226600166030
Chip One Stop RF Transistor RoHS: Compliant Container: Cut Tape 1630
  • 25 $0.1490
  • 50 $0.1110
  • 200 $0.1030
  • 500 $0.0946
  • 1,000 $0.0729
$0.0729 / $0.1490 Buy Now
DISTI # MMBTH81
EBV Elektronik Trans GP BJT PNP 20V 0.05A 3-Pin SOT-23 T/R (Alt: MMBTH81) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 12 Weeks, 0 Days EBV - 12000
Buy Now
LCSC 20V 225mW 605.0mA10V 50mA PNP SOT-23 Bipolar (BJT) ROHS 2565
  • 5 $0.1219
  • 50 $0.0980
  • 150 $0.0861
  • 500 $0.0771
  • 3,000 $0.0661
  • 6,000 $0.0626
$0.0626 / $0.1219 Buy Now
New Advantage Corporation MMBTH81 Series 20 V CE Breakdown .05 A PNP RF Transistor - SOT-23 RoHS: Compliant Min Qty: 1 Package Multiple: 3000 18000
  • 3,000 $0.0574
$0.0574 Buy Now

Part Details for MMBTH81

MMBTH81 CAD Models

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MMBTH81 Part Data Attributes

Parametric Data
MMBTH81 onsemi
Buy Now Datasheet
Compare Parts:
MMBTH81 onsemi 50 mA, 20 V PNP RF Bipolar Junction Transistor, SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P, 3000-REEL
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ONSEMI
Part Package Code SOT-23 (TO-236) 2.90x1.30x1.00, 1.90P
Manufacturer Package Code 318
Reach Compliance Code compliant
ECCN Code EAR99
Factory Lead Time 18 Weeks, 4 Days
Samacsys Manufacturer onsemi
Collector Current-Max (IC) 0.05 A
Collector-Base Capacitance-Max 0.85 pF
Collector-Emitter Voltage-Max 20 V
Configuration SINGLE
DC Current Gain-Min (hFE) 60
Highest Frequency Band VERY HIGH FREQUENCY BAND
JEDEC-95 Code TO-236AA
JESD-30 Code R-PDSO-G3
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type PNP
Power Dissipation-Max (Abs) 0.35 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Transistor Application AMPLIFIER
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 600 MHz

MMBTH81 Related Parts

MMBTH81 Frequently Asked Questions (FAQ)

  • The maximum safe operating area (SOA) for the MMBTH81 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal resistance and maximum junction temperature. As a general guideline, the SOA is typically limited by the device's thermal capabilities, and it's recommended to keep the device within the recommended operating conditions to ensure reliability.

  • To ensure the MMBTH81 is properly biased, follow the recommended biasing conditions outlined in the datasheet. This typically involves setting the base-emitter voltage (VBE) and collector-emitter voltage (VCE) within the recommended ranges. Additionally, ensure the device is operated within the recommended current and power dissipation limits to prevent overheating and ensure reliable operation.

  • For optimal thermal management, it's recommended to use a PCB layout that provides good thermal conduction and heat dissipation. This can be achieved by using a thermal pad or heat sink, and ensuring good airflow around the device. Additionally, follow good PCB design practices, such as using a solid ground plane and minimizing thermal resistance between the device and the heat sink.

  • To handle ESD protection for the MMBTH81, follow proper ESD handling procedures during device handling and assembly. This includes using ESD-safe materials, grounding straps, and wrist straps. Additionally, consider incorporating ESD protection devices, such as TVS diodes or ESD protection arrays, into the circuit design to protect the device from electrostatic discharge events.

  • To ensure the MMBTH81 remains reliable and functional, follow proper storage and handling procedures. This includes storing the devices in their original packaging, away from direct sunlight and moisture. Avoid bending or flexing the leads, and handle the devices by the body, rather than the leads, to prevent mechanical stress.

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