參數(shù)資料
型號(hào): 933792670215
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 小信號(hào)晶體管
英文描述: 25 mA, 40 V, NPN, Si, SMALL SIGNAL TRANSISTOR
封裝: PLASTIC, SST3, SMD, 3 PIN
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 41K
代理商: 933792670215
1999 Apr 12
2
Philips Semiconductors
Product specication
NPN medium frequency transistor
BF840
FEATURES
Low current (max. 25 mA)
Low voltage (max. 40 V).
APPLICATIONS
AM mixers
IF amplifiers in AM/FM receivers.
DESCRIPTION
NPN medium frequency transistor in a SOT23 plastic
package.
MARKING
Note
1.
= p : Made in Hong Kong.
= t : Made in Malaysia.
TYPE NUMBER
MARKING CODE(1)
BF840
NC
PINNING
PIN
DESCRIPTION
1
base
2
emitter
3
collector
Fig.1
Simplified outline (SOT23) and symbol.
handbook, halfpage
2
1
3
MAM255
Top view
2
3
1
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Note
1. Transistor mounted on an FR4 printed-circuit board.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCBO
collector-base voltage
open emitter
40
V
VCEO
collector-emitter voltage
open base
40
V
VEBO
emitter-base voltage
open collector
4V
IC
collector current (DC)
25
mA
ICM
peak collector current
25
mA
Ptot
total power dissipation
Tamb ≤ 25 °C; note 1
250
mW
Tstg
storage temperature
65
+150
°C
Tj
junction temperature
150
°C
Tamb
operating ambient temperature
65
+150
°C
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