Document
2SD2485
Silicon NPN Epitaxial
Application
Low frequency power amplifier
TO-92MOD.
Features
• Low saturation voltage VCE(sat) = 0.1 V typ. (at IC = 1 A, IB = 50 mA) • Large current capacitance IC = 2 A
1. Emitter 2. Collector 3. Base
3
2
1
Table 1 Absolute Maximum Ratings (Ta = 25°C)
Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current
www.DataSheet4U.com Collector peak current
Symbol VCBO VCEO VEBO IC ic(peak)* PC Tj Tstg
Ratings 80 80 6 2 3 0.9 150 –55 to +150
Unit V V V A A W °C °C
——————————————————————————————————————————— ——————————————————————————————————————————— ——————————————————————————————————————————— ——————————————————————————————————————————— ——————————————————————————————————————————— ———————————————————————————————————————————
Collector power dissipation Junction temperature Storage temperature Note: * PW ≤ 10 ms, duty cycle ≤20 %
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2SD2485
Table 2 Electrical Characteristics (Ta = 25°C)
Item Collector to base breakdown voltage Collector to emitter breakdown voltage Emitter to base breakdown voltage Collector to base cutoff current Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO Min 80 Typ — Max — Unit V Test conditions IC = 10 µA, IE = 0 IC = 1 mA, RBE = ∞ IE = 10 µA IC = 0 VCB = 65 V, IE = 0 VCE = 65 V, RBE = ∞ VEB = 5 V, IC = 0 VCE = 2 V, IC = 0.5 A VCE = 2 V, IC = 1.5 A V IC =1 A IB = 50 mA IC =1 A IB = 50 mA
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80 — — V
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6 — — V
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— — 1.0 µA
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Collector to emitter cutoff current ICEO Emitter to base cutoff current IEBO hFE1 hFE2 VCE(sat) VBE(sat) — — 5.0 µA
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— — 1.0 µA
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DC current transfer ratio 120 — 300
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DC current transfer ratio 40 — —
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Collector to emitter saturation voltage Base to emitter saturation voltage
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—
0.1
0.2
———————————————————————————————————————————
— — 1.2 V
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2SD2485
Maximum Collector Power Dissipation Curve 1.6 Collector Power Dissipation Pc (W) I C (A)
Area of Safe Operation
10 3
ic(peak)
PW =
1m
10 m
1.2
1 I C(max) 0.3 0.1 0.03 0.01 0.003
s
DC
Collector Current
Op
s
0.8
er
at
ion
0.4
0
0.001
Ta = 25 °C 1 shot pulse
50 100 150 Ambient Temperature Ta (°C)
200
0.1 0.3 1 3 10 30 100 Collector to Emitter Voltage VCE (V)
Typical Output Characteristics 2.0
20 mA mA 18 mA 16 A 14 m A 12 m A 10 m 8 mA
Pc
6 mA
DC Current Transfer Ratio vs. Collector Current 1000 h FE
I C (A)
1.6
Collector Current
1.2
DC Current Transfer Ratio
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300
75 °C
25 °C
= 0. 9 W
100
Ta = –25 °C
0.8
4 mA
0.4
Tc = 25 °C
2 mA
30 Pulse test VCE = 2 V
0.01 0.03 0.1 0.3 1 3
IB=0
10
0.003
0
0.4 0.8 1.2 1.6 2.0 Collector to Emitter Voltage V CE (V)
Collector Current
I C (A)
2SD2485
Saturation Voltage vs. Collector Current Collector to Emitter Saturation Voltage VCE(sat) (V) Base to Emitter Saturation Voltage VBE(sat) (V) Collector to Emitter Saturation Voltage VCE(sat) (V)
3 1 10
Collector to Emitter Saturation Voltage vs. Base Current Pulse test Ta = 25 °C
Ta=–25°C
VBE(sat) 75°C 75°C V CE(sat) Ta=–25°C Pulse test I C = 20 I B 25°C
3 1
0.3 0.1
25°C
0.3 0.1
I C= 2 A 1A 0.5 A
0.03 0.01
0.03 0.01 1 3 10 30 100 300 1000
0.003 0.003
0.01
0.03
0.1
0.3
1
3
Collector Current I C (A)
Base Current I B (mA)
1000 300 www.DataSheet4U.com 100 30 10
Collector Output Capacitancet Cob (pF)
Gain Bandwidth Product vs. Collector Current Gain Bandwidth Product f T (MHz)
Collector Output Capacitance vs. Collector to Base Voltage 100
30
10
3 1 0.03
Pulse test VCE = 2 V Ta = 25 °C
3
IE =0 f = 1 MHz Ta = 25 °C 1 3 10 30 100
1 Collector to Base Voltage VCB (V)
0.01
0.3
0.1
0.3
1
3
Collector Current
I C (A)
2SD2485
Typical Transfer Characteristics 2.0 I C (A) Collector Current
1.6
1.2
0.8 Pulse test VCE = 2 V Ta = 25 °C 0.2 0.4 0.6 0.8 1.0
0.4
0
Base to Emitter Voltage V BE (V)
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