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ON Semiconductort
General Purpose Transistors
NPN Silicon
MAXIMUM RATINGS
Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous Symbol VCEO VCBO VEBO IC 2222 30 60 5.0 600 2222A 40 75 6.0 Unit Vdc
MMBT2222LT1 MMBT2222ALT1*
*ON Semiconductor Preferred Device
3
Vdc Vdc mAdc
1 2
THERMAL CHARACTERISTICS
Characteristic Total Device Dissipation FR-5 Board(1) TA = 25C Derate above 25C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate,(2) TA = 25C Derate above 25C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 RqJA PD 556 300 2.4 RqJA TJ, Tstg 417 -55 to +150 Unit mW mW/C C/W mW mW/C C/W C
CASE 318-08, STYLE 6 SOT-23 (TO-236)
COLLECTOR 3 1 BASE 2 EMITTER Symbol Min Max Unit
DEVICE MARKING
MMBT2222LT1 = M1B; MMBT2222ALT1 = 1P
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted)
Characteristic
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage (IC = 10 mAdc, IB = 0) Collector-Base Breakdown Voltage (IC = 10 mAdc, IE = 0) Emitter-Base Breakdown Voltage (IE = 10 mAdc, IC = 0) Collector Cutoff Current (VCE = 60 Vdc, VEB(off) = 3.0 Vdc) Collector Cutoff Current (VCB = 50 Vdc, IE = 0) (VCB = 60 Vdc, IE = 0) (VCB = 50 Vdc, IE = 0, TA = 125C) (VCB = 60 Vdc, IE = 0, TA = 125C) Emitter Cutoff Current (VEB = 3.0 Vdc, IC = 0) Base Cutoff Current (VCE = 60 Vdc, VEB(off) = 3.0 Vdc) 1. FR-5 = 1.0 0.75 0.062 in. 2. Alumina = 0.4 0.3 0.024 in. 99.5% alumina. MMBT2222 MMBT2222A MMBT2222 MMBT2222A MMBT2222 MMBT2222A MMBT2222A MMBT2222 MMBT2222A MMBT2222 MMBT2222A MMBT2222A MMBT2222A V(BR)CEO V(BR)CBO V(BR)EBO ICEX ICBO 30 40 60 75 5.0 6.0 -- -- -- -- -- -- -- -- -- -- -- -- -- 10 0.01 0.01 10 10 100 20 Vdc Vdc Vdc nAdc Adc
IEBO IBL
nAdc nAdc
Preferred devices are ON Semiconductor recommended choices for future use and best overall value.
(c) Semiconductor Components Industries, LLC, 2001
1
March, 2001 - Rev. 1
Publication Order Number: MMBT2222LT1/D
MMBT2222LT1 MMBT2222ALT1
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted) (Continued)
Characteristic Symbol Min Max Unit
ON CHARACTERISTICS
DC Current Gain (IC = 0.1 mAdc, VCE = 10 Vdc) (IC = 1.0 mAdc, VCE = 10 Vdc) (IC = 10 mAdc, VCE = 10 Vdc) (IC = 10 mAdc, VCE = 10 Vdc, TA = -55C) only (IC = 150 mAdc, VCE = 10 Vdc) (3) (IC = 150 mAdc, VCE = 1.0 Vdc) (3) (IC = 500 mAdc, VCE = 10 Vdc) (3) Collector-Emitter Saturation Voltage (3) (IC = 150 mAdc, IB = 15 mAdc) hFE 35 50 75 35 100 50 30 40 VCE(sat) MMBT2222 MMBT2222A MMBT2222 MMBT2222A VBE(sat) MMBT2222 MMBT2222A MMBT2222 MMBT2222A -- 0.6 -- -- 1.3 1.2 2.6 2.0 -- -- -- -- 0.4 0.3 1.6 1.0 Vdc -- -- -- -- 300 -- -- -- Vdc --
MMBT2222A
MMBT2222 MMBT2222A
(IC = 500 mAdc, IB = 50 mAdc) Base-Emitter Saturation Voltage (3) (IC = 150 mAdc, IB = 15 mAdc)
(IC = 500 mAdc, IB = 50 mAdc)
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MMBT2222LT1 MMBT2222ALT1
SMALL-SIGNAL CHARACTERISTICS
Current-Gain -- Bandwidth Product (4) (IC = 20 mAdc, VCE = 20 Vdc, f = 100 MHz) Output Capacitance (VCB = 10 Vdc, IE = 0, f = 1.0 MHz) Input Capacitance (VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) Input Impedance (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) (IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) Voltage Feedback Ratio (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) (IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) Small-Signal Current Gain (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) (IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) Output Admittance (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) (IC = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz) Collector Base Time Constant (IE = 20 mAdc, VCB = 20 Vdc, f = 31.8 MHz) Noise Figure (IC = 100 mAdc, VCE = 10 Vdc, RS = 1.0 k, f = 1.0 kHz) MMBT2222 MMBT2222A hie MMBT2222A MMBT2222A hre MMBT2222A MMBT2222A hfe MMBT2222A MMBT2222A hoe MMBT2222A MMBT2222A rb, Cc MMBT2222A NF MMBT2222A -- 4.0 -- 150 dB 5.0 25 35 200 ps 50 75 300 375 mmhos -- -- 8.0 4.0 -- 2.0 0.25 8.0 1.25 X 10-4 fT MMBT2222 MMBT2222A Cobo -- Cibo -- -- 30 25 k 8.0 pF 250 300 -- -- pF MHz
SWITCHING CHARACTERISTICS (MMBT2222A only)
Delay Time Rise Time Storage Time Fall Time (VCC = 30 Vdc, VBE(off) = -0.5 Vdc, 0.5 IC = 150 mAdc, IB1 = 15 mAdc) (VCC = 30 Vdc, IC = 150 mAdc, IB1 = IB2 = 15 mAdc) td tr ts tf -- -- -- -- 10 25 225 60 ns ns
3. Pulse Test: Pulse Width v 300 ms, Duty Cycle v 2.0%. 4. fT is defined as the frequency at which |hfe| extrapolates to unity.
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MMBT2222LT1 MMBT2222ALT1
SWITCHING TIME EQUIVALENT TEST CIRCUITS
+30 V +16 V 0 -2 V 1.0 to 100 s, DUTY CYCLE 2.0% 1 k 200 +16 V 0 < 2 ns CS* < 10 pF 1.0 to 100 s, DUTY CYCLE 2.0% 1k 1N914 +30 V 200
-14 V
< 20 ns
CS* < 10 pF
-4 V Scope rise time < 4 ns *Total shunt capacitance of test jig, connectors, and oscilloscope.
Figure 1. Turn-On Time
Figure 2. Turn-Off Time
1000 700 500 hFE , DC CURRENT GAIN 300 200 100 70 50 30 20 10 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 IC, COLLECTOR CURRENT (mA) 50 70 100 200 300 500 700 1.0 k
Figure 3. DC Current Gain
VCE , COLLECTOR-EMITTER VOLTAGE (VOLTS)
1.0 0.8 0.6 0.4 0.2 0 0.005
0.01
0.02 0.03
0.05
0.1
0.2
0.3 0.5 1.0 IB, BASE CURRENT (mA)
2.0
3.0
5.0
10
20
30
50
Figure 4. Collector Saturation Region
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MMBT2222LT1 MMBT2222ALT1
200 100 70 50 t, TIME (ns) 30 20 10 7.0 5.0 3.0 2.0 5.0 7.0 10 200 300 20 30 50 70 100 IC, COLLECTOR CURRENT (mA) 500 IC/IB = 10 TJ = 25C tr @ VCC = 30 V td @ VEB(off) = 2.0 V td @ VEB(off) = 0 500 300 200 100 70 50 30 20 10 7.0 5.0 ts = ts - 1/8 tf VCC = 30 V IC/IB = 10 IB1 = IB2 TJ = 25C
t, TIME (ns)
tf
5.0 7.0 10
20 30 50 70 100 IC, COLLECTOR CURRENT (mA)
200
300
500
Figure 5. Turn-On Time
10 8.0 6.0 4.0 2.0 0 0.01 0.02 0.05 0.1 0.2 IC = 1.0 mA, RS = 150 500 A, RS = 200 100 A, RS = 2.0 k 50 A, RS = 4.0 k 10
Figure 6. Turn-Off Time
NF, NOISE FIGURE (dB)
NF, NOISE FIGURE (dB)
RS = OPTIMUM RS = SOURCE RS = RESISTANCE
f = 1.0 kHz 8.0 6.0 4.0 2.0 0 50 IC = 50 A 100 A 500 A 1.0 mA
0.5 1.0 2.0
5.0 10
20
50 100
100 200
500 1.0 k 2.0 k
5.0 k 10 k 20 k
50 k 100 k
f, FREQUENCY (kHz)
RS, SOURCE RESISTANCE (OHMS)
Figure 7. Frequency Effects
f T, CURRENT-GAIN BANDWIDTH PRODUCT (MHz)
Figure 8. Source Resistance Effects
500 VCE = 20 V TJ = 25C
30 20 CAPACITANCE (pF) Ceb 10 7.0 5.0 3.0 2.0 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 REVERSE VOLTAGE (VOLTS) Ccb
300 200
100 70 50 1.0 2.0 3.0 5.0 7.0 10 20 30 IC, COLLECTOR CURRENT (mA) 50 70 100
20 30
50
Figure 9. Capacitances
Figure 10. Current-Gain Bandwidth Product
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MMBT2222LT1 MMBT2222ALT1
1.0 TJ = 25C 0.8 V, VOLTAGE (VOLTS) VBE(sat) @ IC/IB = 10 0.6 VBE(on) @ VCE = 10 V 0.4 0.2 0 VCE(sat) @ IC/IB = 10 0.1 0.2 50 100 200 0.5 1.0 2.0 5.0 10 20 IC, COLLECTOR CURRENT (mA) 500 1.0 k COEFFICIENT (mV/ C) 1.0 V +0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 0.1 0.2 0.5 RqVB for VBE 1.0 2.0 5.0 10 20 50 100 200 IC, COLLECTOR CURRENT (mA) 500 RqVC for VCE(sat)
Figure 11. "On" Voltages
Figure 12. Temperature Coefficients
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MMBT2222LT1 MMBT2222ALT1 INFORMATION FOR USING THE SOT-23 SURFACE MOUNT PACKAGE
MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS Surface mount board layout is a critical portion of the total interface between the board and the package. With the design. The footprint for the semiconductor packages must correct pad geometry, the packages will self align when be the correct size to insure proper solder connection subjected to a solder reflow process.
0.037 0.95 0.037 0.95
0.079 2.0 0.035 0.9 0.031 0.8
inches mm
SOT-23 SOT-23 POWER DISSIPATION The power dissipation of the SOT-23 is a function of the pad size. This can vary from the minimum pad size for soldering to a pad size given for maximum power dissipation. Power dissipation for a surface mount device is determined by TJ(max), the maximum rated junction temperature of the die, RJA, the thermal resistance from the device junction to ambient, and the operating temperature, TA. Using the values provided on the data sheet for the SOT-23 package, PD can be calculated as follows:
PD = TJ(max) - TA RJA SOLDERING PRECAUTIONS
* * *
The values for the equation are found in the maximum ratings table on the data sheet. Substituting these values into the equation for an ambient temperature TA of 25C, one can calculate the power dissipation of the device which in this case is 225 milliwatts.
150C - 25C PD = 556C/W = 225 milliwatts
* * *
The 556C/W for the SOT-23 package assumes the use of the recommended footprint on a glass epoxy printed circuit board to achieve a power dissipation of 225 milliwatts. There are other alternatives to achieving higher power dissipation from the SOT-23 package. Another alternative would be to use a ceramic substrate or an aluminum core board such as Thermal CladTM. Using a board material such as Thermal Clad, an aluminum core board, the power dissipation can be doubled using the same footprint.
*
The melting temperature of solder is higher than the rated temperature of the device. When the entire device is heated to a high temperature, failure to complete soldering within a short time could result in device failure. Therefore, the following items should always be observed in order to minimize the thermal stress to which the devices are subjected. Always preheat the device. The delta temperature between the preheat and soldering should be 100C or less.* When preheating and soldering, the temperature of the leads and the case must not exceed the maximum temperature ratings as shown on the data sheet. When using infrared heating with the reflow soldering method, the difference shall be a maximum of 10C. The soldering temperature and time shall not exceed 260C for more than 10 seconds. When shifting from preheating to soldering, the maximum temperature gradient shall be 5C or less. After soldering has been completed, the device should be allowed to cool naturally for at least three minutes. Gradual cooling should be used as the use of forced cooling will increase the temperature gradient and result in latent failure due to mechanical stress. Mechanical stress or shock should not be applied during cooling. * Soldering a device without preheating can cause excessive thermal shock and stress which can result in damage to the device.
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MMBT2222LT1 MMBT2222ALT1
PACKAGE DIMENSIONS SOT-23 (TO-236) CASE 318-08 ISSUE AF
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL.
A L
3 1 2
BS
V
G C D H K J
STYLE 6: PIN 1. BASE 2. EMITTER 3. COLLECTOR
DIM A B C D G H J K L S V
INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236
MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60
Thermal Clad is a trademark of the Bergquist Company.
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PUBLICATION ORDERING INFORMATION
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MMBT2222LT1/D

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