LESHAN RADIO COMPANY, LTD.
Chopper Transistor
PNP Silicon
3 COLLECTOR 3 1 BASE
MMBT404ALT1
1 2 EMITTER 2
CASE 318–08, STYLE 6 SOT– 23 (TO–236AB)
MAXIMUM RATINGS
Rating Collector–Emitter Voltage Collector–Base Voltage Emitter–Base Voltage Collector Current — Continuous Symbol V CEO V CBO V EBO IC Value – 35 – 40 – 25 – 150 Unit Vdc Vdc Vdc mAdc
THERMAL CHARACTERISTICS
Characteristic Total Device Dissipation FR-5 Board,(1) T A =25 °C Derate above 25°C Thermal Resistance, Junction to Ambient Total Device Dissipation Alumina Substrate, (2) T A = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient Junction and Storage Temperature R θJA PD Symbol PD Max 225 1.8 556 300 2.4 417 –55 to +150 Unit mW mW/°C °C/W mW mW/°C °C/W °C
R θJA T J , T stg
DEVICE MARKING
MMBT404ALT1 = 2N
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage (I C = –10 mAdc, I B = 0) Collector– Emitter Breakdown Voltage (I C = –10 µAdc, I E = 0) Emitter–Base Breakdown Voltage (I E = –10 µAdc, I C = 0) Collector Cutoff Current (V CE = –10Vdc, I E = 0) Emitter Cutoff Current (V EB= –10Vdc, I C = 0) 1. FR–5 = 1.0 x 0.75 x 0.062 in. 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina. V V V
(BR)CEO
– 35 – 40 – 25 — —
— — — — —
— — — –100 –100
Vdc Vdc Vdc nAdc nAdc
(BR)CBO
(BR)EBO
I CBO I EBO
O1–1/2
LESHAN RADIO COMPANY, LTD.
MMBT404ALT1
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Min Typ Max Unit
ON CHARACTERISTICS
DC Current Gain (I C = –12 mAdc, V CE = – 0.15 Vdc) Collector–Emitter Saturation Voltage (I C = –12mAdc, I B = – 0.4 mAdc) (I C = – 24mAdc, I B = – 1.0 mAdc) Base–Emitter Saturation Voltage (I C = –12mAdc, I B = – 0.4 mAdc) (I C = –24mAdc, I B = – 1.0 mAdc) hFE VCE(sat) –– –– V
BE(sat)
100
––
400
–– Vdc
–– –– –– ––
– 0.15 – 0.20 Vdc – 0.85 – 1.00
–– ––
SMALL–SIGNAL CHARACTERISTICS
Output Capacitance (V CB= – 6.0 Vdc, I E = 0, f = 1.0 MHz) C obo –– –– 20 pF
SWITCHING CHARACTERISTICS
Delay Time(VCC = –10Vdc, IC = –10 mVdc) (Figure 1) Rise Time ( I B1 = –1.0 mAdc, I BE(off) = –14Vdc) Storage Time (V CC = –10 Vdc, I C = –10 mAdc) Fall Time (I B1 = I B2 = –1.0 mAdc)(Figure 1) td tr ts tf — — — — 43 180 675 160 — — — — ns ns ns ns
V BB R BB 1.0 k 0.1 µF V in 10 k 51 RB
V CC = –10 V 1.0 k TO SCOPE
t on , t d , t r t off , t s and t f
V in (Volts) –12 +20.6
V BB (Volts) +1.4 –11.6
Voltages and resistor values shown are for I C = 10 mA, I C /I B = 10 and I B1 = I B2
Figure 1. Switching Time Test Circuit
O1–2/2
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