Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

SMMBT2907ALT3G

PNP Silicon General Purpose Transistor

The SMMBT2907ALT3G is a pnp silicon general purpose transistor from onsemi. View the full SMMBT2907ALT3G datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

SMMBT2907ALT3G shares its datasheet with MMBT2907ALT1G, whose page lists every part number it covers.

Official SMMBT2907ALT3G datasheet (PDF) — the source this page was extracted from.

Manufacturer

onsemi

Category

BJTs

Package

SOT-23

SMMBT2907ALT3G Key Specifications

ParameterValue
PackagingMouseReel
Standard Pack Qty10000
Collector - Emitter Voltage VCEO60V
Collector Current (Max)600 mA
Current - Collector Cutoff10nA
Current - Collector Cutoff (Max)10nA (ICBO)
Current - Collector(Ic)600mA
DC Current Gain75
DC Current Gain (hFE)100 @ 150mA, 10V
Emitter-Base Voltage VEBO5V
Transition Frequency200MHz
Mounting TypeSurface Mount
Number1 PNP
Operating Temperature-55℃~+150℃ °C
Operating Temperature-55°C ~ 150°C (TJ)
Package / CaseTO-236-3, SC-59, SOT-23-3
Pd - Power Dissipation350mW
Power (Max)300 mW
Supplier Device PackageSOT-23-3 (TO-236)
Transistor TypePNP
Transition frequency(fT)200MHz
typePNP
Vce Saturation1.6V @ 50mA, 500mA
Vce Saturation(VCE(sat))1.6V
Collector-Emitter Breakdown Voltage60 V

SMMBT2907ALT3G Overview

Part: MMBT2907ALT1G — onsemi

Type: PNP Silicon General Purpose Transistor

Description: PNP general-purpose bipolar transistor with -60 V VCEO, -600 mA continuous collector current, and 200 MHz minimum transition frequency in a SOT-23 package.

Operating Conditions:

  • Supply voltage: not applicable
  • Operating temperature: -55 to +150 °C (junction and storage temperature)
  • Collector current: up to -600 mAdc continuous

Absolute Maximum Ratings:

  • Collector-emitter voltage (VCEO): -60 Vdc
  • Collector-base voltage (VCBO): -60 Vdc
  • Emitter-base voltage (VEBO): -5.0 Vdc
  • Max continuous collector current: -600 mAdc (peak: -1200 mAdc)
  • Max junction/storage temperature: -55 to +150 °C

Key Specs:

  • DC current gain (hFE): 100 min at IC = -150 mA, VCE = -10 V (300 max); 50 min at IC = -500 mA
  • VCE(sat): -0.4 V max at IC = -150 mA, IB = -15 mA; -1.6 V max at IC = -500 mA, IB = -50 mA
  • VBE(sat): -1.3 V max at IC = -150 mA, IB = -15 mA; -2.6 V max at IC = -500 mA, IB = -50 mA
  • Transition frequency (fT): 200 MHz min at IC = -50 mA, VCE = -20 V, f = 100 MHz
  • Output capacitance (Cobo): 8.0 pF max at VCB = -10 V, f = 1 MHz
  • Collector cutoff current (ICBO): -0.010 μAdc max at VCB = -50 V; -10 μAdc at TA = 125 °C
  • Turn-on time: 45 ns max; turn-off time: 100 ns max (VCC = -30 V, IC = -150 mA, IB1 = -15 mA)
  • Power dissipation: 225 mW on FR-5 board at TA = 25 °C; RθJA 556 °C/W

Features:

  • Pb-Free, Halogen Free/BFR Free and RoHS compliant
  • S-prefix variants for automotive and other applications requiring unique site and control change requirements; AEC-Q101 qualified and PPAP capable

Package:

  • SOT-23 (TO-236AB), Case 318, 3 pins (Style 6: 1 Base, 2 Emitter, 3 Collector)

SMMBT2907ALT3G Features

  • These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant
  • S Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable

SMMBT2907ALT3G Electrical Characteristics

CharacteristicCharacteristicSymbolMinMaxUnit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage (Note 5) (I C = -1.0 mAdc, I B = 0) (I C = -10 mAdc, I B = 0)Collector-Emitter Breakdown Voltage (Note 5) (I C = -1.0 mAdc, I B = 0) (I C = -10 mAdc, I B = 0)V (BR)CEO-60 -60- -Vdc
Collector-Base Breakdown Voltage (I C = -10 m Adc, I E = 0)Collector-Base Breakdown Voltage (I C = -10 m Adc, I E = 0)V (BR)CBO-60-Vdc
Emitter-Base Breakdown Voltage (I E = -10 m Adc, I C = 0)Emitter-Base Breakdown Voltage (I E = -10 m Adc, I C = 0)V (BR)EBO-5.0-Vdc
Collector Cutoff Current (V CE = -30 Vdc, V EB(off) = -0.5 Vdc)Collector Cutoff Current (V CE = -30 Vdc, V EB(off) = -0.5 Vdc)I CEX--50nAdc
Collector Cutoff Current (V CB = -50 Vdc, I E = 0) (V CB = -50 Vdc, I E = 0, T A = 125 ° C)Collector Cutoff Current (V CB = -50 Vdc, I E = 0) (V CB = -50 Vdc, I E = 0, T A = 125 ° C)I CBO- --0.010 -10m Adc
Base Cutoff Current (V CE = -30 Vdc, V EB(off) = -0.5 Vdc)Base Cutoff Current (V CE = -30 Vdc, V EB(off) = -0.5 Vdc)I BL--50nAdc
ON CHARACTERISTICS
DC Current Gain (I C = -0.1 mAdc, V CE = -10 Vdc) (I C = -1.0 mAdc, V CE = -10 Vdc) (I C = -10 mAdc, V CE = -10 Vdc) (I C = -150 mAdc, V CE = -10 Vdc) (I C = -500 mAdc, V CE = -10 Vdc) (Note 5)DC Current Gain (I C = -0.1 mAdc, V CE = -10 Vdc) (I C = -1.0 mAdc, V CE = -10 Vdc) (I C = -10 mAdc, V CE = -10 Vdc) (I C = -150 mAdc, V CE = -10 Vdc) (I C = -500 mAdc, V CE = -10 Vdc) (Note 5)h FE75 100 100 100 50- - - 300 --
Collector-Emitter Saturation Voltage (Note 5) (I C = -150 mAdc, I B = -15 mAdc) (Note 5) (I C = -500 mAdc, I B = -50 mAdc)Collector-Emitter Saturation Voltage (Note 5) (I C = -150 mAdc, I B = -15 mAdc) (Note 5) (I C = -500 mAdc, I B = -50 mAdc)V CE(sat)- --0.4 -1.6Vdc
Base-Emitter Saturation Voltage (Note 5) (I C = -150 mAdc, I B = -15 mAdc) (I C = -500 mAdc, I B = -50 mAdc)Base-Emitter Saturation Voltage (Note 5) (I C = -150 mAdc, I B = -15 mAdc) (I C = -500 mAdc, I B = -50 mAdc)V BE(sat)- --1.3 -2.6Vdc
SMALL-SIGNAL CHARACTERISTICS
Current-Gain - Bandwidth Product (Notes 5, 6), (I C = -50 mAdc, V CE = -20 Vdc, f = 100 MHz)Current-Gain - Bandwidth Product (Notes 5, 6), (I C = -50 mAdc, V CE = -20 Vdc, f = 100 MHz)f T200-MHz
Output Capacitance (V CB = -10 Vdc, I E = 0, f = 1.0 MHz)Output Capacitance (V CB = -10 Vdc, I E = 0, f = 1.0 MHz)C obo-8.0pF
Input Capacitance (V EB = -2.0 Vdc, I C = 0, f = 1.0 MHz)Input Capacitance (V EB = -2.0 Vdc, I C = 0, f = 1.0 MHz)C ibo-30
SWITCHING CHARACTERISTICSSWITCHING CHARACTERISTICS
Turn-On Time(V CC = -30 Vdc, I C = -150 mAdc, I B1 = -15 mAdc)t on-45ns
Delay Time(V CC = -30 Vdc, I C = -150 mAdc, I B1 = -15 mAdc)t d-10ns
Rise Time(V CC = -30 Vdc, I C = -150 mAdc, I B1 = -15 mAdc)t r-40ns
Turn-Off Time(V CC = -30 Vdc, I C = -150 mAdc, I B1 = -15 mAdc)t off-100ns
Storage Time(V CC = -30 Vdc, I C = -150 mAdc, I B1 = -15 mAdc)t s-80ns
FallTimet f-30ns
  1. Pulse Test: Pulse Width v 300 m s, Duty Cycle v 2.0%.
  2. f T is defined as the frequency at which |h fe | extrapolates to unity.

Figure 1. Delay and Rise Time Test Circuit

Figure 2. Storage and Fall Time Test Circuit

SMMBT2907ALT3G Absolute Maximum Ratings

RatingSymbolValueUnit
Collector-Emitter VoltageV CEO-60Vdc
Collector-Base VoltageV CBO-60Vdc
Emitter-Base VoltageV EBO-5.0Vdc
Collector Current - ContinuousI C-600mAdc
Collector Current - Peak (Note 3)I CM-1200mAdc

SMMBT2907ALT3G Thermal Information

CharacteristicSymbolMaxUnit
Total Device Dissipation - FR-5 Board (Note 1) @T A = 25 ° C Derate above 25 ° CP D225 1.8mW mW/ ° C
Thermal Resistance, Junction-to-AmbientR q JA556° C/W
Total Device Dissipation - Alumina Substrate, (Note 2) @T A = 25 ° C Derate above 25 ° CP D300 2.4mW mW/ ° C
Thermal Resistance, Junction-to-AmbientR q JA417° C/W
Total Device Dissipation - Heat Spreader or equivalent, (Note 4) @T A = 25 ° CP D350mW
Thermal Resistance, Junction-to-AmbientR q JA357° C/W
Junction and Storage TemperatureT J , T stg-55 to +150° C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected.

  1. FR-5 = 1.0 -0.75 -0.062 in.
  2. Alumina = 0.4 -0.3 -0.024 in. 99.5% alumina.
  3. Reference SOA curve.
  4. Heat Spreader or equivalent = 450 mm 2 , 2 oz.

SOT-23 (TO-236AB) CASE 318 STYLE 6

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
MMBT2907AonsemiSOT-23
MMBT2907ALT1GonsemiTO-236-3, SC-59, SOT-23-3
MMBT2907ALT3GonsemiSOT-23
SMMBT2907ALT1GonsemiTO-236-3, SC-59, SOT-23-3

Other BJTs

  • DTC114ECA – GOODWORK, NPN Digital Transistor with Bias Resistors
  • BC847 – onsemi, NPN General-Purpose Transistor
  • 2N2219A – onsemi, NPN High Speed Switching Transistor
  • 2N2222 – onsemi, NPN Silicon Amplifier Transistor
  • 2N2222A – onsemi, NPN High Speed Switching Transistor
  • 2N3906 – onsemi, PNP Silicon General Purpose Transistor
  • 2N4921G – onsemi, NPN Medium-Power Silicon Transistor
  • 2N4922G – onsemi, Medium-Power NPN Silicon Transistor

All BJTs datasheetsAll onsemi datasheets (354)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the SMMBT2907ALT3G

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the SMMBT2907ALT3G run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.