IRF6635 International Rectifier, IRF6635 Datasheet - Page 3

• Manufacturer Part Number: IRF6635
• Description: MOSFET N-CH 30V 32A DIRECTFET
• Manufacturer: International Rectifier
• Series: HEXFET®r

Specifications of IRF6635

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 1.8 mOhm @ 32A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 32A
• Vgs(th) (max) @ Id: 2.35V @ 250µA
• Gate Charge (qg) @ Vgs: 71nC @ 4.5V
• Input Capacitance (ciss) @ Vds: 5970pF @ 15V
• Power - Max: 2.8W
• Mounting Type: Surface Mount
• Package / Case: DirectFET™ Isometric MX
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

†
‡
ˆ
board (still air).
Notes:
P
P
P
T
T
T
R
R
R
R
R
Absolute Maximum Ratings
Thermal Resistance
† Surface mounted on 1 in. square Cu
www.irf.com
P
J
STG
D
D
D
θJA
θJA
θJA
θJC
θJ-PCB
back and with small clip heatsink.
Surface mounted on 1 in. square Cu board, steady state.
Used double sided cooling , mounting pad.
Mounted on minimum footprint full size board with metalized
@T
@T
@T
0.001
A
A
C
0.01
100
0.1
= 25°C
= 70°C
= 25°C
10
1
1E-006
D = 0.50
0.02
0.01
0.20
0.10
0.05
Fig 3. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
1E-005
Power Dissipation
Power Dissipation
Power Dissipation
Peak Soldering Temperature
Operating Junction and
Storage Temperature Range
Junction-to-Ambient
Junction-to-Ambient
Junction-to-Ambient
Junction-to-Case
Junction-to-PCB Mounted
Linear Derating Factor
SINGLE PULSE
( THERMAL RESPONSE )
0.0001
kl
k
il
jl
gÃ
l
Parameter
Parameter
t 1 , Rectangular Pulse Duration (sec)
0.001
‡
‰
Š
τ
T
R
J
0.01
τ
C
θ
J
τ
1
Ci= τi/Ri
is measured at
measured with thermocouple incontact with top (Drain) of part.
τ
1
Ci= τi/Ri
R
1
R
1
τ
2
0.1
R
τ
2
2
R
2
J
Typ.
12.5
–––
–––
1.0
20
R
τ
3
3
R
τ
3
3
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
-40 to + 150
Max.
0.022
τ
R
4
270
footprint full size board with
metalized back and with small
clip heatsink (still air)
2.8
1.8
τ
1
89
ˆ Mounted on minimum
4
R
4
4
τ
A
τ
A
Ri (°C/W)
0.6784
17.299
17.566
9.4701
Max.
–––
–––
–––
1.4
45
10
IRF6635
0.001268
0.033387
0.508924
11.19309
τi (sec)
Units
Units
°C/W
W/°C
°C
W
100
3