LESHAN RADIO COMPANY, LTD.
Amplifier Transistors
NPN Silicon
We declare that the material of product compliance with RoHS requirements.
ORDERING INFORMATION
Device LMBT6428LT1G LMBT6428LT3G LMBT6429LT1G LMBT6429LT3G Marking 1KM 1KM 1L 1L Shipping 3000/Tape & Reel 10000/Tape & Reel 3000/Tape & Reel 10000/Tape & Reel
1 2
LMBT6428LT1G LMBT6429LT1G
3
MAXIMUM RATINGS
Rating Collector–Emitter Voltage Collector–Base Voltage Emitter–Base Voltage Collector Current — Continuous Symbol V CEO V CBO V
EBO
Value 6428LT1 6429LT1 Unit 50 60 6.0 200 45 55 Vdc Vdc Vdc mAdc
CASE 318–08, STYLE 6 SOT–23 (TO–236AB)
3 COLLECTOR
1 BASE
IC
2 EMITTER
THERMAL CHARACTERISTICS
Characteristic Total Device Dissipation FR– 5 Board, (1) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) TA = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD Max 225 1.8 RθJA PD 556 300 2.4 RθJA TJ , Tstg 417 –55 to +150 Unit mW mW/°C °C/W mW mW/°C °C/W °C
DEVICE MARKING
LMBT6428LT1G = 1KM, LMBT6429LT1G = 1L
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage(3) (I C = 1.0 mAdc, I B = 0) (I C = 1.0 mAdc, I B = 0) Collector–Base Breakdown Voltage (I C = 0.1mAdc, I E = 0) (I C = 0.1mAdc, I E = 0) Collector Cutoff Current ( V CE = 30Vdc, ) Collector Cutoff Current ( V CB = 30Vdc, I E = 0 ) Emitter Cutoff Current ( V EB = 5.0Vdc, I C= 0) 1. FR–5 = 1.0 x 0.75 x 0.062 in. 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. I EBO I CBO — — 0.01 0.01 µAdc LMBT6428LT1G LMBT6429LT1G V (BR)CBO LMBT6428LT1G LMBT6429LT1G I CBO — 0.1 µAdc 60 55 — — µAdc V (BR)CEO 50 45 — — Vdc Vdc
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LESHAN RADIO COMPANY, LTD.
LMBT6428LT1G LMBT6429LT1G
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) (Continued)
Characteristic Symbol hFE LMBT6428LT1G LMBT6429LT1G LMBT6428LT1G LMBT6429LT1G LMBT6428LT1G LMBT6429LT1G LMBT6428LT1G LMBT6429LT1G VCE(sat) –– –– V BE(on) 0.56 0.2 0.6 0.66 Vdc 250 500 250 500 250 500 250 500 — — 650 1250 — — — — Vdc Min Max Unit ––
ON CHARACTERISTICS
DC Current Gain (I C = 0.01 mAdc, V CE = 5.0 Vdc) (I C = 0.1 mAdc, V CE = 5.0 Vdc) (I C = 1.0 mAdc, V CE = 5.0 Vdc) (I C = 10 mAdc, V CE = 5.0 Vdc) Collector–Emitter Saturation Voltage (I C = 10 mAdc, I B = 0.5 mAdc) (I C = 100 mAdc, I B = 0.5 mAdc) Base–Emitter On Voltage (I C = 1.0 mAdc, V CE = 5.0mAdc)
SMALL–SIGNAL CHARACTERISTICS
Current Gain–Bandwidth Product (V CE = 5.0 Vdc, I C = 1.0mAdc, f = 100 MHz) Output Capacitance (V CB = 10 Vdc, I E = 0, f = 1.0 MHz) Input Capacitance (V EB= 0.5 Vdc, I C = 0 , f = 1.0 MHz) fT C obo C ibo 100 –– –– 700 3.0 8.0 MHz pF pF
RS in en
IDEAL TRANSISTOR
Figure 1. Transistor Noise Model
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LESHAN RADIO COMPANY, LTD.
LMBT6428LT1G LMBT6429LT1G
NOISE CHARACTERISTICS
(V CE = 5.0 Vdc, T A = 25°C) NOISE VOLTAGE
30 30
BANDWIDTH = 1.0 Hz
BANDWIDTH = 1.0 Hz
e n , NOISE VOLTAGE (nV)
I C = 10 mA
R S~0 ~
e n , NOISE VOLTAGE (nV)
20
20
RS~ 0 ~ f = 10 Hz
10
10
3.0 mA 1.0 mA
100 Hz
7.0 5.0
7.0
10 kHz
5.0
1.0 kHz
300 µA
3.0 10 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k
100 kHz
3.0 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10
f, FREQUENCY (Hz)
I C , COLLECTOR CURRENT (mA)
Figure 2. Effects of Frequency
10 7.0 5.0 2.0
Figure 3. Effects of Collector Current
BANDWIDTH = 1.0 Hz
NF, NOISE FIGURE (dB)
I C = 10 mA 3.0 mA 1.0 mA 300 µA 100 µA 10 µA
50 100 200 500 1k 2k
I n , NOISE CURRENT (pA)
16
BANDWIDTH = 10 Hz to 15.7 kHz
12
3.0 2.0 1.0 0.7 0.5 0.3 0.2 0.1
8.0
500 µA 100 µA
I C = 1.0 mA
4.0
10 µA
30 µA
5k 10k 20k 50k 100k 0 10 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k
RS~ 0 ~
10 20
f, FREQUENCY (Hz)
R S , SOURCE RESISTANCE (Ω)
Figure 4. Noise Current 100 Hz NOISE DATA
300 20
Figure 5. Wideband Noise Figure
V T , TOTAL NOISE VOLTAGE (nV)
200
BANDWIDTH = 1.0 Hz 3.0 mA 1.0 mA 300 µA
I C = 10 mA
100 70 50 30 20 10 7.0 5.0 3.0 10 20 50 100 200 500
NF, NOISE FIGURE (dB)
16
I C = 10 mA
3.0 mA 1.0 mA
12
100 µA
30 µA 10 µA
300 µA
8.0
100 µA
4.0
30 µA BANDWIDTH = 1.0 Hz
10 µA
0 1k 2k 5k 10k 20k 50k 100k 10 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k
R S , SOURCE RESISTANCE (Ω)
R S , SOURCE RESISTANCE (Ω)
Figure 6. Total Noise Voltage
Figure 7. Noise Figure
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LESHAN RADIO COMPANY, LTD.
LMBT6428LT1G LMBT6429LT1G
h FE, DC CURRENT GAIN (NORMALIZED)
4.0 3.0
V CE = 5.0 V
2.0
T A = 125°C 25°C
1.0
–55°C
0.7 0.5 0.4 0.3 0.2 0.01 0.02 0.03 0.05 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
I C , COLLECTOR CURRENT (mA)
Figure 8. DC Current Gain
1.0
R θVBE , BASE– EMITTER TEMPERATURE COEFFICIENT (mV/ °C)
–0.4
T J = 25°C
0.8
–0.8
V, VOLTAGE (VOLTS)
0.6
V BE @ V CE = 5.0 V
–1.2
0.4
–1.6
T J = 25°C to 125°C
0.2
–2.0
–55°C to 25°C
–2.4 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100
V CE(sat) @ I C /I B = 10
0 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 9. “On” Voltages
8.0 6.0
Figure 10. Temperature Coefficients
f T , CURRENT– GAIN — BANDWIDTH PRODUCT (MHz)
50
T J = 25°C C ob C eb C cb C ib
300
C, CAPACITANCE (pF)
4.0 3.0
200
2.0
100
V CE = 5.0 V
70 50 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100
1.0 0.8 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100
T J = 25°C
V R , REVERSE VOLTAGE (VOLTS)
I C , COLLECTOR CURRENT (mA)
Figure 11. Capacitance
Figure 12. Current–Gain — Bandwidth Product
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LESHAN RADIO COMPANY, LTD.
LMBT6428LT1G LMBT6429LT1G SOT-23
NOTES:
A L 3 1 V G 2 BS DIM A B C D G H J J K L S V MIN 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0140 0.0350 0.0830 0.0177 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M,1982 2. CONTROLLING DIMENSION: INCH. INCHES MAX 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0285 0.0401 0.1039 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 0.35 0.89 2.10 0.45 0.177 0.69 1.02 2.64 0.60
C D H K
0.037 0.95
0.037 0.95
0.079 2.0 0.035 0.9 0.031 0.8
inches mm
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