1
) Mounted on P.C. board with 3 mm
2
copper pad at each terminal
Montage auf Leiterplatte mit 3 mm
2
Kupferbelag (Lötpad) an jedem Anschluß
4 01.11.2003
BFS 20 High Frequency Transistors
NPN
Surface mount Si-Epitaxial PlanarTransistors
Si-Epitaxial PlanarTransistoren für die Oberflächenmontage
NPN
Power dissipation – Verlustleistung 250 mW
Plastic case SOT-23
Kunststoffgehäuse (TO-236)
Weight approx. – Gewicht ca. 0.01 g
Plastic material has UL classification 94V-0
Gehäusematerial UL94V-0 klassifiziert
Dimensions / Maße in mm
1 = B 2 = E 3 = C
Standard packaging taped and reeled
Standard Lieferform gegurtet auf Rolle
Maximum ratings (T
A
= 25g47C) Grenzwerte (T
A
= 25g47C)
BFS 20
Collector-Emitter-voltage B open V
CE0
20 V
Collector-Base-voltage E open V
CB0
30 V
Emitter-Base-voltage C open V
EB0
4 V
Power dissipation – Verlustleistung P
tot
250 mW
1
)
Collector current – Kollektorstrom (DC) I
C
25 mA
Peak Collector current – Kollektor-Spitzenstrom I
CM
25 mA
Junction temperature – Sperrschichttemperatur T
j
150g47C
Storage temperature – Lagerungstemperatur T
S
- 65…+ 150g47C
Characteristics (T
j
= 25g47C) Kennwerte (T
j
= 25g47C)
Min. Typ. Max.
Collector - Base cut-off current – Kollektorreststrom
I
E
= 0, V
CB
= 20 V I
CB0
– – 100 nA
I
E
= 0, V
CB
= 20 V, T
j
= 100g47CI
CB0
– – 10 g58A
Emitter - Base cut-off current – Emitterreststrom
I
C
= 0, V
EB
= 4 V I
EB0
– – 100 nA
2.
5

ma
x
1.
3
±0
.
1
1.1
2.9
±0.1
0.4
1 2
3
Type
Code
1.9