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MMBTH81 The On Semiconductor MMBTH81 is a PNP RF transistor designed for general RF amplifier and mixer applications. It features a 600MHz bandwidth and is housed in a SOT-23-3 package.
Mfr Part #:

MMBTH81

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MMBTH81 is a PNP RF transistor designed for general RF amplifier and mixer applications. It features a 600MHz bandwidth and is housed in a SOT-23-3 package.
✓ Total Stock: 1,632,833 pcs
$ Price Range: $0.99

MMBTH81 Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
1,506,667 pcs
On Request
1506667 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
121,020 pcs
On Request
121020 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
4,811 pcs
On Request
4811 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
335 pcs
On Request
335 pcs On Request 1 On Request On Request On Request On Request 2026-05-08 07:15:31
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MMBTH81 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Halogen Free
Mounting Type
Operating Temperature
Power
Supplier Device Package
Supplier Package
Transistor Type
Voltage
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MMBTH81 Description

Short technical summary and product information.

The MMBTH81 from On Semiconductor is a PNP RF transistor suitable for general RF amplifier and mixer applications up to 250 MHz. It operates with collector currents in the range of 1.0 mA to 30 mA.

 

Key electrical specifications include a collector-emitter voltage of 20V and a continuous collector current of 50mA. The transistor boasts a gain-bandwidth product of 600MHz at 100MHz, with a minimum DC current gain (hFE) of 60 at 5mA collector current and 10V VCE. The device is rated for a total power dissipation of 225mW at 25°C and operates within a temperature range of -55°C to 150°C.

 

This RF transistor is supplied in a compact SOT-23-3 surface mount package, making it suitable for space-constrained designs. It is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.

MMBTH81 Quick Information

Product Type: RF Transistor
Canonical Name: MMBTH81 PNP RF Transistor
Subcategory: Bipolar (BJT) - RF

MMBTH81 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

MMBTH81 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MMBTH81 Features

  • PNP RF transistor for amplifier and mixer applications.
  • 20V collector-emitter voltage rating.
  • 50mA maximum continuous collector current.
  • 600MHz gain-bandwidth product.
  • Compact SOT-23-3 surface mount package.

MMBTH81 Applications

  • Suitable for RF amplifier applications up to 250 MHz.
  • Ideal for general RF mixer circuits.
  • Used in low-current RF signal switching.
  • Applicable in RF signal filtering modules.
  • Suitable for portable RF communication devices.

MMBTH81 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the MMBTH81 transistor?

The MMBTH81 has a collector-emitter voltage rating of 20V.

What package type is the MMBTH81 transistor supplied in?

The MMBTH81 is supplied in a SOT-23-3 package.

What is the operating temperature range for the MMBTH81 transistor?

The operating temperature range for the MMBTH81 is -55°C to 150°C.

Is the MMBTH81 transistor RoHS compliant?

Yes, the MMBTH81 is RoHS3 Compliant.

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