參數資料
型號: MMBF5457LT3
廠商: ON SEMICONDUCTOR
元件分類: 小信號晶體管
英文描述: 25 V, N-CHANNEL, Si, SMALL SIGNAL, JFET, TO-236AB
封裝: CASE 318-08, 3 PIN
文件頁數: 2/3頁
文件大小: 137K
代理商: MMBF5457LT3
MMBF5457LT1
http://onsemi.com
519
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
SMALL–SIGNAL CHARACTERISTICS
Forward Transfer Admittance(2)
(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)
|Yfs|
1000
5000
mhos
Reverse Transfer Admittance
(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)
|yrs|
10
50
mhos
Input Capacitance
(VDS = 15 Vdc, VGS = 0, f = 1.0 MHz)
Ciss
4.5
7.0
pF
Reverse Transfer Capacitance
(VDS = 15 Vdc, VGS = 0, f = 1.0 MHz)
Crss
1.5
3.0
pF
2. Pulse Test: Pulse Width
≤ 630 ms, Duty Cycle ≤ 10%.
TYPICAL CHARACTERISTICS
RS, SOURCE RESISTANCE (Megohms)
Figure 1. Noise Figure versus Source
Resistance
VDS, DRAIN-SOURCE VOLTAGE (VOLTS)
Figure 2. Typical Drain Characteristics
VGS, GATE-SOURCE VOLTAGE (VOLTS)
Figure 3. Common Source Transfer
Characteristics
14
1.0
0.4
0.2
0
12
10
8
6
4
2
-1.2
0.8
0.6
0
5
10
15
20
25
0
0.6
0.4
0.2
0.8
1.2
1.0
-0.8
-0.4
0
1.2
0
,DRAIN
CURRENT
(mA)
DI
,DRAIN
CURRENT
(mA)
DI
NF
,NOISE
FIGURE
(dB)
0.001
0.01
0.1
1.0
10
VDS = 15 V
VGS = 0
f = 1 kHz
VDS = 15 V
VGS = 0 V
-0.2 V
-0.4 V
-0.6 V
-0.8 V
-1.0 V
VGS(off) ^ -1.2 V
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