Part Number Hot Search : 
EZ12D5 CS842 AD524 630204 SMCJ1 C100L 1401A L5931
Product Description
Full Text Search
 

To Download LMBT3904WT1 Datasheet File

  If you can't view the Datasheet, Please click here to try to view without PDF Reader .  
 
 


  Datasheet File OCR Text:
 LESHAN RADIO COMPANY, LTD.
General Purpose Transistors
NPN and PNP Silicon
These transistors are designed for general purpose amplifier applications. They are housed in the SOT-323/SC-70 which is designed for low power surface mount applications.
Pb-Free Package is available.
NPN LMBT3904WT1 PNP LMBT3906WT1
GENERAL PURPOSE AMPLIFIER TRANSISTORS SURFACE MOUNT
DEVICE MARKING AND ORDERING INFORMATION
Device LMBT3904WT1 LMBT3904WT1G LMBT3906WT1 LMBT3906WT1G Marking AM AM (Pb-Free) 2A 2A (Pb-Free) Package SOT-323/SC-70 SOT-323/SC-70 SOT-323/SC-70 SOT-323/SC-70 Shipping 3000/Tape&Reel 3000/Tape&Reel 3000/Tape&Reel 3000/Tape&Reel
3
1 2
MAXIMUM RATINGS
Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current -- Continuous LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 Symbol V CEO V CBO V
EBO
CASE 419-02, STYLE 3 SOT- 323 / SC-70
Value 40 - 40 60 - 40 6.0 - 5.0 200 - 200
Unit Vdc Vdc Vdc mAdc
1 BASE 2 EMITTER 3 COLLECTOR
IC
LMBT3904WT1
3 COLLECT OR
THERMAL CHARACTERISTICS
Characteristic Total Device Dissipation (1) T A =25 C Thermal Resistance, Junction to Ambient Junction and Storage Temperature Symbol PD R JA T J , T stg Max 150 833 -55 to +150 Unit mW C/W C
1 B ASE
2 EMIT T ER
LMBT3906WT1
LMBT3904/6WT1-1/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
ELECTRICAL CHARACTERISTICS (T A = 25C unless otherwise noted)
Characteristic Symbol Min Max Unit
PNP LMBT3906WT1
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage (2) (I C = 1.0 mAdc, I B = 0) (I C = -1.0 mAdc, I B = 0) Collector-Base Breakdown Voltage (I C = 10 Adc, I E = 0) (I C = -10 Adc, I E = 0) Emitter-Base Breakdown Voltage (IE= 10 Adc, I C = 0) LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 V
(BR)CEO
40 - 40 60 - 40
-- -- -- --
Vdc
V(BR)CBO
Vdc
LMBT3904WT1
V(BR)EBO
6.0
--
Vdc
(I E = -10 Adc, I C = 0) LMBT3906WT1 - 5.0 -- Base Cutoff Current (V CE = 30 Vdc, V EB = 3.0 Vdc) LMBT3904WT1 I BL -- 50 (V CE = -30 Vdc, V EB = -3.0 Vdc) LMBT3906WT1 -- -50 Collector Cutoff Current (V CE = 30 Vdc, V EB = 3.0 Vdc) LMBT3904WT1 I CEX -- 50 (V CE = -30 Vdc, V EB = -3.0 Vdc) LMBT3906WT1 -- - 50 1. Device mounted on FR4 glass epoxy printed circuit board using the minimum recommended footprint. 2. Pulse Test: Pulse Width <300 s; Duty Cycle <2.0%.
nAdc
nAdc
LMBT3904/6WT1-2/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
ELECTRICAL CHARACTERISTICS (T A = 25C unless otherwise noted) (Continued)
Characteristic Symbol h FE LMBT3904WT1 40 70 100 60 30 60 80 100 60 30 VCE(sat) LMBT3904WT1 LMBT3906WT1 V BE(sat) LMBT3904WT1 LMBT3906WT1 0.65 -- - 0.65 -- 0.85 0.95 - 0.85 - 0.95 -- -- -- -- 0.2 0.3 - 0.25 - 0.4 Vdc -- -- 300 -- -- -- -- 300 -- -- Vdc Min Max Unit --
PNP LMBT3906WT1
ON CHARACTERISTICS (2)
DC Current Gain (I C = 0.1 mAdc, V CE = 1.0 Vdc) (I C = 1.0 mAdc, V CE = 1.0 Vdc) (I C = 10 mAdc, V CE = 1.0 Vdc) (I C = 50 mAdc, V CE = 1.0 Vdc) (I C = 100 mAdc, V CE = 1.0 Vdc) (I C = -0.1 mAdc, V CE = -1.0 Vdc) (I C = -1.0 mAdc, V CE = -1.0 Vdc) (I C = -10 mAdc, V CE = -1.0 Vdc) (I C = -50 mAdc, V CE = -1.0 Vdc) (I C = -100 mAdc, V CE = -1.0 Vdc) Collector-Emitter Saturation Voltage (I C = 10 mAdc, I B = 1.0 mAdc) (I C = 50 mAdc, I B = 5.0 mAdc) (I C = -10 mAdc, I B = -1.0 mAdc) (I C = -50 mAdc, I B = -5.0 mAdc) Base-Emitter Saturation Voltage (I C = 10 mAdc, I B = 1.0 mAdc) (I C = 50 mAdc, I B = 5.0 mAdc) (I C = -10 mAdc, I B = -1.0 mAdc) (I C = -50 mAdc, I B = -5.0 mAdc)
LMBT3906WT1
SMALL-SIGNAL CHARACTERISTICS
Current-Gain -- Bandwidth Product (I C = 10 mAdc, V CE = 20 Vdc, f = 100 MHz) (I C = -10 mAdc, V CE= -20 Vdc, f = 100 MHz) Output Capacitance (V CB = 5.0 Vdc, I E = 0, f = 1.0 MHz) (V CB= -5.0 Vdc, I E = 0, f = 1.0 MHz) Input Capacitance (V EB = 0.5 Vdc, I C = 0, f = 1.0 MHz) (V EB = -0.5 Vdc, I C = 0, f = 1.0 MHz) Input Impedance (V CE= 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz) (V CE= -10 Vdc, I C = -1.0 mAdc, f = 1.0 kHz) Voltage Feedback Ratio (V CE= 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz) (V CE= -10 Vdc, I C = -1.0 mAdc, f = 1.0 kHz) Small-Signal Current Gain (V CE= 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz) (V CE= -10 Vdc, I C = -1.0 mAdc, f = 1.0 kHz) Output Admittance (V CE= 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz) (V CE= -10 Vdc, I C = -1.0 mAdc, f = 1.0 kHz) Noise Figure (V CE= 5.0Vdc, I C = 100Adc, R S=1.0 k, f =1.0kHz) (V CE= -5.0Vdc, I C = -100 Adc, R S=1.0 k, f =1.0kHz) fT LMBT3904WT1 LMBT3906WT1 C obo LMBT3904WT1 LMBT3906WT1 C ibo LMBT3904WT1 LMBT3906WT1 h ie LMBT3904WT1 LMBT3906WT1 h re LMBT3904WT1 LMBT3906WT1 h fe LMBT3904WT1 LMBT3906WT1 h oe LMBT3904WT1 LMBT3906WT1 NF LMBT3904WT1 LMBT3906WT1 -- -- 5.0 4.0 1.0 3.0 40 60 dB 100 100 400 400 mhos 0.5 0.1 8.0 10 -- 1.0 2.0 10 12 X 10
-4
MHz 300 250 -- -- -- -- -- -- pF 4.0 4.5 pF 8.0 10.0 k
LMBT3904/6WT1-3/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
SWITCHING CHARACTERISTICS
Delay Time (V CC = 3.0 Vdc, V BE = -0.5 Vdc) (V CC = -3.0 Vdc, V BE = 0.5 Vdc) Rise Time (I C = 10 mAdc, I B1 = 1.0 mAdc) (I C = -10 mAdc, I B1 = -1.0 mAdc) Storage Time (V CC = 3.0 Vdc, I C = 10 mAdc) (V CC = -3.0 Vdc, I C = -10 mAdc) Fall Time (I B1 = I B2 = 1.0 mAdc) (I B1 = I B2 = -1.0 mAdc) 2. Pulse Test: Pulse Width <300 s; Duty Cycle <2.0%. LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 LMBT3904WT1 LMBT3906WT1 td tr ts tf -- -- -- -- -- -- -- -- 35 35 35 35 200 225 50 75 ns ns ns ns
PNP LMBT3906WT1
LMBT3904WT1
+3 V
300 ns DUTY CYCLE = 2% +10.9 V 10 < t 1 < 500 s DUTY CYCLE = 2%
275 10 k
t
+3 V
1
+10.9 V
275 10 k
- 0.5 V
C S < 4.0 pF*
<1 ns
0
- 9.1 V <1.0 ns
1N916
C S < 4.0 pF*
*Total shunt capacitance of test jig and connectors
Figure 1. Delay and Rise Time Equivalent Test Circuit
Figure 2. Storage and Fall Time Equivalent Test Circuit
TYPICAL TRANSIENT CHARACTERISTICS
T J = 25C T J = 125C
10 5000
LMBT3904WT1
7.0
3000 2000
V CC = 40 V I C / I B = 10
LMBT3904WT1
5.0
CAPACITANCE (pF)
C ibo
3.0
Q, CHARGE (pC)
1000 700 500
300 200
2.0
C obo
QT QA
100 70 1.0 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40 50 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
REVERSE BIAS VOLTAGE (VOLTS)
I C , COLLECTOR CURRENT (mA)
Figure 3. Capacitance
Figure 4. Charge Data
LMBT3904/6WT1-4/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
LMBT3904WT1
500 300 200 500
PNP LMBT3906WT1
I C /I B = 10
t r , RISE TIME (ns)
300 200 100 70 50 30 20 10
V CC = 40 V I C /I B = 10
TIME (ns)
100 70 50 30 20 10 7 5 1.0 2.0 3.0 5.0 7.0 10
t r @V CC=3.0V
40 V 15 V LMBT3904WT1 t d@V OB=0V
20 30
2.0 V
50 70 100 200
7 5 1.0
LMBT3904WT1
2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 5. Turn-On Time
500 300 200 500
Figure 6. Rise Time
t's= ts -1/8t f
I C /I B = 20
I C /I B = 10
IB1 = IB2
300 200
V CC=40V I B1 = I B2 I C /I B = 20
t ' s, STORAGE TIME (ns)
100
100
t f , FALL TIME (ns)
70 50 30 20 10 7 5 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
70 50 30 20 10 7 5 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
I C /I B = 20 I C /I B = 10
I C /I B = 10
LMBT3904WT1
LMBT3904WT1
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 7. Storage Time
Figure 8. Fall Time
TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS
(V CE = 5.0 Vdc, T A = 25C, Bandwidth = 1.0 Hz)
12 14
10
SOURCE RESISTANCE= 200 I C = 1.0 mA
NF, NOISE FIGURE (dB)
f = 1.0 kHz
12 10 8 6 4 2 0 100 0.1 0.2 0.4
I C = 1.0 mA
NF, NOISE FIGURE (dB)
8
SOURCE RESISTANCE= 200 I C = 0.5 mA SOURCE RESISTANCE =1.0k I C = 50 A
I C = 0.5 mA
I C = 50 A I C = 100 A
6
4
2
0
SOURCE RESISTANCE= 500 I C = 100 A
0.1 0.2 0.4 1.0 2.0 4.0 10
LMBT3904WT1
20 40
LMBT3904WT1
1.0 2.0 4.0 10 20 40 100
f, FREQUENCY (kHz)
R S , SOURCE RESISTANCE (k)
Figure 9. Noise Figure
Figure 10. Noise Figure
LMBT3904/6WT1-5/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1 PNP LMBT3906WT1
h PARAMETERS
(V CE = 10 Vdc, f = 1.0 kHz, T A = 25C)
300
100
h oe , OUTPUT ADMITTANCE ( mhos)
LMBT3904WT1
200
50
LMBT3904WT1
h fe, CURRENT GAIN
20 10
100 70 50
5
2 1 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
30 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 11. Current Gain
h re, VOLTAGE FEEDBACK RATIO (X 10 -4 ) h ie, INPUT IMPEDANCE (k OHMS)
20 10 10 7.0 5.0
Figure 12. Output Admittance
LMBT3904WT1
LMBT3904WT1
5.0
3.0 2.0
2.0 1.0
1.0 0.7 0.5 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
0.5
0.2 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 13. Input Impedance
Figure 14. Voltage Feedback Ratio
LMBT3904/6WT1-6/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
LMBT3904WT1 TYPICAL STATIC CHARACTERISTICS
h FE , DC CURRENT GAIN (NORMALIZED)
PNP LMBT3906WT1
20
T J = +125C
10 0.7 0.5
LMBT3904WT1
V CE = 1.0 V
+25C
-55C
0.3 0.2
0.1 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
I C , COLLECTOR CURRENT (mA)
V CE, COLLECTOR EMITTER VOLTAGE (VOLTS)
Figure 15. DC Current Gain
1.0
LMBT3904WT1
0.8
T J = 25C 100 mA
I C = 1.0 mA
10 mA
30 mA
0.6
0.4
0.2
0 0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10
I B , BASE CURRENT (mA)
Figure 16. Collector Saturation Region
1.2
1.0
T J = 25C
1.0
LMBT3904WT1 V BE(sat) @ I C /I B =10
COEFFICIENT (mV/ C)
0.5
LMBT3904WT1 +25C TO +125C VC for V CE
0
V, VOLTAGE ( VOLTS )
0.8
-55C TO +25C
V BE @ V CE =1.0 V
0.6
- 0.5
-55C TO +25C
-1.0
0.4
V CE(sat) @ I C /I B =10
0.2
+25C TO +125C
-1.5
VB for V BE
0 1.0 2.0 5.0 10 20 50 100 200
-2.0 0 20 40 60 80 100 120 140 160 180 200
C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 17. "ON" Voltages
Figure 18. Temperature Coefficients
LMBT3904/6WT1-7/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
LMBT3906WT1
PNP LMBT3906WT1
3V 275 < 1 ns 10 k 0 C S < 4 pF* +10.6 V 300 ns DUTY CYCLE = 2%
+9.1 V
< 1 ns
3V 275 10 k 1N916 C S < 4 pF*
10 < t 1 < 500 s DUTY CYCLE = 2%
t1
10.9 V
* Total shunt capacitance of test jig and connectors
Figure 19. Delay and Rise Time Equivalent Test Circuit
Figure 20. Storage and Fall Time Equivalent Test Circuit
TYPICAL TRANSIENT CHARACTERISTICS
T J = 25C T J = 125C
10.0 5000
LMBT3906WT1
7.0
3000 2000
V CC = 40 V I C /I B = 10 QT
LMBT3906WT1
CAPACITANCE (pF)
5.0
Q, CHARGE (pC)
C obo C ibo
1000 700 500
3.0
300 200 100 70
2.0
QA
1.0 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40
50 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
REVERSE BIAS VOLTAGE (VOLTS)
I C , COLLECTOR CURRENT (mA)
Figure 21. Capacitance
Figure 22. Charge Data
500 300 200 100 70 50 30 20 10 7 5 1.0 2.0 3.0 5.0 7.0 10
500
LMBT3906WT1
I C /I B = 10
LMBT3906WT1 I C /I B = 20
300 200
V CC = 40 V I B1 = I B2
t f , FALL TIME (ns)
TIME (ns)
100 70 50 30 20 10 7 5
t r @ V CC = 3.0 V 15 V 40 V 2.0 V t d @ V OB = 0 V
20 30 50 70 100 200
I C /I B = 10
1.0
2.0 3.0
5.0 7.0 10
20
30
50 70 100
200
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 23. Turn-On Time
Figure 24. Fall Time
LMBT3904/6WT1-8/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
LMBT3906WT1
TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS (V CE = -5.0 Vdc, T A = 25C, Bandwidth = 1.0 Hz)
5.0
PNP LMBT3906WT1
NF, NOISE FIGURE (dB)
SOURCE RESISTANCE= 200 I C = 1.0 mA
4.0
14
f = 1.0 kHz
12
I C = 1.0 mA I C = 0.5 mA
NF, NOISE FIGURE (dB)
SOURCE RESISTANCE= 200 I C = 0.5 mA SOURCE RESISTANCE =2.0k I C = 50 A
10 8 6 4 2 0 0.1 0.2 0.4 1.0
3.0
2.0
1.0 0
SOURCE RESISTANCE= 2.0k I C = 100 A
0.1 0.2 0.4 1.0 2.0 4.0 10
I C = 50 A I C = 100 A LMBT3906WT1
LMBT3906WT1
20 40 100
2.0
4.0
10
20
40
100
f, FREQUENCY (kHz)
R S , SOURCE RESISTANCE (k)
Figure 25
Figure 26
h PARAMETERS
(V CE = -10 Vdc, f = 1.0 kHz, T A = 25C)
h oe , OUTPUT ADMITTANCE ( mhos)
300 100 70 50 30 20
LMBT3906WT1
h fe, CURRENT GAIN
200
LMBT3906WT1
100 70 50
10 7.0 5.0 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 7.0 10
30 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 27. Current Gain
h re, VOLTAGE FEEDBACK RATIO (X 10 -4 )
20 10 7.0 5.0
Figure 28. Output Admittance
h ie, INPUT IMPEDANCE (k)
10
LMBT3906WT1
LMBT3906WT1
5.0
3.0 2.0
2.0 1.0
1.0 0.7 0.5 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
0.5
0.2 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 29. Input Impedance
Figure 30. Voltage Feedback Ratio
LMBT3904/6WT1-9/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1
LMBT3906WT1
STATIC CHARACTERISTICS
PNP LMBT3906WT1
h FE , DC CURRENT GAIN (NORMALIZED)
20
T J = +125C
10 0.7 0.5
V CE = 1.0 V
+25C
-55C
0.3
LMBT3906WT1
0.2
0.1 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
I C , COLLECTOR CURRENT (mA)
Figure 31. DC Current Gain
V CE, COLLECTOR EMITTER VOLTAGE (VOLTS)
1.0
LMBT3906WT1
0.8
T J = 25C 10 mA 30 mA 100 mA
I C=1.0 mA
0.6
0.4
0.2
0 0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10
I B , BASE CURRENT (mA)
Figure 32. Collector Saturation Region
V, TEMPERATURE COEFFICIENT (mV/ C)
1.2 1.0
T J = 25C
1.0
V BE(sat) @ I C /I B =10 V BE @ V CE =1.0 V
0.5
V, VOLTAGE ( VOLTS )
VC for V CE(sat)
+25C TO +125C -55C TO +25C
0.8
0
0.6
LMBT3906WT1
- 0.5
LMBT3906WT1 +25C TO +125C VB for V BE(sat) -55C TO +25C
0.4
-1.0
0.2
V CE(sat) @ I C /I B =10
-1.5
0 1.0 2.0 5.0 10 20 50 100 200
-2.0 0 20 40 60 80 100 120 140 160 180 200
C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Figure 33. "ON" Voltages
Figure 34. Temperature Coefficients
LMBT3904/6WT1-10/11
LESHAN RADIO COMPANY, LTD.
NPN LMBT3904WT1 PNP LMBT3906WT1
SC-70 / SOT-323
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH.
A L
3
DIM A B C D G H J K L N S
S
1 2
B
D G
C 0.05 (0.002)
N K
J
INCHES MILLIMETERS MIN MA X MIN MA X 0.071 0.087 1.80 2.20 0.045 0.053 1.15 1.35 0.032 0.040 0.80 1.00 0.012 0.016 0.30 0.40 0.047 0.055 1.20 1.40 0.000 0.004 0.00 0.10 0.004 0.010 0.10 0.25 0.017 REF 0.425 REF 0.026 BSC 0.650 BSC 0.028 REF 0.700 REF 0.079 0.095 2.00 2.40
H
0.025 0.65
0.025 0.65
0.075 1.9 0.035 0.9 0.028 0.7 inches mm
LMBT3904/6WT1-11/11


▲Up To Search▲   

 
Price & Availability of LMBT3904WT1

All Rights Reserved © IC-ON-LINE 2003 - 2022  

[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy]
Mirror Sites :  [www.datasheet.hk]   [www.maxim4u.com]  [www.ic-on-line.cn] [www.ic-on-line.com] [www.ic-on-line.net] [www.alldatasheet.com.cn] [www.gdcy.com]  [www.gdcy.net]


 . . . . .
  We use cookies to deliver the best possible web experience and assist with our advertising efforts. By continuing to use this site, you consent to the use of cookies. For more information on cookies, please take a look at our Privacy Policy. X