Semiconductor
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-800-4-HARRIS |Copyright © Harris Corporation 1998
BUZ41A
4.5A, 500V, 1.500 Ohm, N-Channel Power
MOSFET
This is an N-Channel enhancement mode silicon gate power
field effect transistor designed for applications such as
switching regulators, switching converters, motor drivers,
relay drivers and drivers for high power bipolar switching
transistors requiring high speed and low gate drive power.
This type can be operated directly from integrated circuits.
Formerly developmental type TA17415.
Features
• 4.5A, 500V
•r
DS(ON) = 1.500Ω
• SOA is Power Dissipation Limited
• Nanosecond Switching Speeds
• Linear Transfer Characteristics
• High Input Impedance
• Majority Carrier Device
• Related Literature
- TB334 “Guidelines for Soldering Surface Mount
Components to PC Boards”
Symbol
Packaging
JEDEC TO-220AB
Ordering Information
PART NUMBER PACKAGE BRAND
BUZ41A TO-220AB BUZ41A
NOTE: When ordering, use the entire part number.
G
D
S
GATE
DRAIN (FLANGE)
SOURCE
DRAIN
Data Sheet October 1998 File Number 2256.1
[ /Title
(BUZ41
A)
/
Sub-
j
ect
(4.5A,
500V,
1.500
Ohm,
N-Chan-
nel
Power
MOS-
FET)
/
Author
()
/
Key-
words
(Harris
Semi-
conduc-
tor, N-
Chan-
nel
Power
MOS-
FET,
TO-
220AB)
/
Cre-
ator ()
/
DOCIN
FO pdf-
mark
[ /Page-
Mode
/
Use-
2
Absolute Maximum Ratings TC = 25oC, Unless Otherwise Specified BUZ20 UNITS
Drain to Source Breakdown Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VDS 500 V
Drain to Gate Voltage (RGS = 20kΩ) (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDGR 500 V
Continuous Drain Current TC = 35oC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ID4.5 A
Pulsed Drain Current (Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IDM 18 A
Gate to Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VGS ±20 V
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PD75 W
Linear Derating Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6 W/oC
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TJ, TSTG -55 to 150 oC
DIN Humidity Category - DIN 40040 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
IEC Climatic Category - DIN IEC 68-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55/150/56
Maximum Temperature for Soldering
Leads at 0.063in (1.6mm) from Case for 10s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TL
Package Body for 10s, See Techbrief 334 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tpkg 300
260
oC
oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operationofthe
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. TJ = 25oC to 125oC.
Electrical Specifications TC = 25oC, Unless Otherwise Specified
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
Drain to Source Breakdown Voltage BVDSS ID = 250µA, VGS = 0V 500 - - V
Gate Threshold Voltage VGS(TH) VGS = VDS, ID = 1mA (Figure 9) 2.1 3 4 V
Zero Gate Voltage Drain Current IDSS TJ = 25oC, VDS = 500V, VGS = 0V - 20 250 µA
TJ = 125oC, VDS = 500V, VGS = 0V - 100 1000 µA
Gate to Source Leakage Current IGSS VDS = 0V, VGS = 20V - 10 100 nA
Drain to Source On Resistance (Note 2) rDS(ON) ID = 2.5A, VGS = 10V (Figure 8) - 1.4 1.5 Ω
Forward Transconductance (Note 2) gfs VDS = 25V, ID = 2.5A (Figure 11) 1.5 2.5 - S
Turn-On Delay Time td(ON) VCC = 30V, ID≈2.6A, VGS = 10V, RGS =50Ω, RL
= 10Ω. (Figures 14, 15) -3045 ns
Rise Time tr-4060 ns
Turn-Off Delay Time td(OFF) - 110 140 ns
Fall Time tf-5065 ns
Input Capacitance CISS VDS = 25V, VGS = 0V, f = 1MHz (Figure 10) - 1500 2000 pF
Output Capacitance COSS - 110 170 pF
Reverse Transfer Capacitance CRSS -4070pF
Thermal Resistance Junction to Case RθJC ≤ 1.67 oC/W
Thermal Resistance Junction to Ambient RθJA ≤ 75 oC/W
Source to Drain Diode Specifications
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
Continuous Source to Drain Current ISD TC = 25oC - - 4.5 A
Pulsed Source to Drain Current ISDM TC = 25oC--18A
Source to Drain Diode Voltage VSD TJ = 25oC, ISD = 9A, VGS = 0V - 1.1 1.5 V
Reverse Recovery Time trr TJ = 25oC, ISD = 4.5A, dISD/dt = 100A/µs,
VR = 100V - 1200 - ns
Reverse Recovery Charge QRR -6-µC
NOTES:
2. Pulse Test: Pulse width ≤ 300µs, duty cycle ≤2%.
3. Repetitive rating: pulse width limited by maximum junction temperature. See Transient Thermal Impedance curve (Figure 3).
BUZ41A
3
Typical Performance Curves
Unless Otherwise Specified
FIGURE 1. NORMALIZED POWER DISSIPATION vs CASE
TEMPERATURE FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs
CASE TEMPERATURE
FIGURE 3. MAXIMUM TRANSIENT THERMAL IMPEDANCE
FIGURE 4. FORWARD BIAS SAFE OPERATING AREA FIGURE 5. OUTPUT CHARACTERISTICS
TC, CASE TEMPERATURE (oC)
POWER DISSIPATION MULTIPLIER
.0 0 25 50 75 100 150
0.2
0.4
0.6
0.8
1.0
1.2
125
4
3
2
1
00 50 100 150
TC, CASE TEMPERATURE (oC)
ID, DRAIN CURRENT (A)
VGS 10V
6
5
10-5 10-4 10-3 10-2 10-1 100101
t, RECTANGULAR PULSE DURATION (s)
SINGLE PULSE
0.5
0.2
0.1
0.05
0.02
0.01
PDM
NOTES:
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZθJC + TC
t1
t2
ZθJC, TRANSIENT THERMAL IMPEDANCE
1
0.1
0.01
VDS, DRAIN TO SOURCE VOLTAGE (V)
101
ID, DRAIN CURRENT (A)
102
102
100
101
100
10-1 103
10µs
1µs
1ms
10ms
100µs
DC
100ms
TJ = MAX RATED
OPERATION IN THIS
AREA MAY BE LIMITED
BY rDS(ON)
TC = 25oC
10
9
8
7
6
5
4
3
2
1
00 102030405060
VDS, DRAIN TO SOURCE VOLTAGE (V)
ID, DRAIN CURRENT (A)
PULSE DURATION = 80µs
TJ = 25oC
VGS = 6.0V
VGS = 5.5V
VGS = 5.0V
VGS = 4.5V
VGS = 4.0V
7.0V
7.5V
PD = 75W
8.0V
10V
20V VGS = 6.5V
BUZ41A
4
FIGURE 6. TRANSFER CHARACTERISTICS FIGURE 7. DRAIN TO SOURCE ON RESISTANCE vs GATE
VOLTAGE AND DRAIN CURRENT
FIGURE 8. DRAIN TO SOURCE ON RESISTANCE vs
JUNCTION TEMPERATURE FIGURE 9. GATE THRESHOLD VOLTAGE vs JUNCTION
TEMPERATURE
FIGURE 10. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE FIGURE 11. TRANSCONDUCTANCE vs DRAIN CURRENT
Typical Performance Curves
Unless Otherwise Specified (Continued)
0510
VGS, GATE TO SOURCE VOLTAGE (V)
7
6
5
4
3
2
1
0
IDS(ON), DRAIN TO SOURCE CURRENT (A)
PULSE DURATION = 80µs
VDS = 25V
TJ = 25oC
6
5
4
3
2
1
00246810
ID, DRAIN CURRENT (A)
rDS(ON), ON-STATE RESISTANCE (Ω)
PULSE DURATION = 80µs
VGS = 5V 5.5V 6V 6.5V
8V
9V
7.5V
7V
10V
20V
-50 0 50 100 150
rDS(ON), DRAIN TO SOURCE
4
3
2
1
0
TJ, JUNCTION TEMPERATURE (oC)
ID = 2.5A
VGS = 10V
ON RESISTANCE (Ω)
PULSE DURATION = 80µs
-50 0 50 100 150
VGS(TH), GATE THRESHOLD VOLTAGE (V)
4
3
2
1
0
TJ, JUNCTION TEMPERATURE (oC)
VDS = VGS, ID = 1mA
010203040
VDS, DRAIN TO SOURCE VOLTAGE (V)
101
100
10-1
10-2
C, CAPACITANCE (nF)
VGS = 0, f = 1MHz
CISS
COSS
CRSS
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
5
4
3
2
1
001234567
ID, DRAIN CURRENT (A)
gfs, TRANSCONDUCTANCE (S)
PULSE DURATION = 80µs
VDS = 25V
TJ = 25oC
BUZ41A
5
FIGURE 12. SOURCE TO DRAIN DIODE VOLTAGE FIGURE 13. GATE TO SOURCE VOLTAGE vs GATE CHARGE
Test Circuits and Waveforms
FIGURE 14. SWITCHING TIME TEST CIRCUIT FIGURE 15. RESISTIVE SWITCHING WAVEFORMS
FIGURE 16. GATE CHARGE TEST CIRCUIT FIGURE 17. GATE CHARGE WAVEFORMS
Typical Performance Curves
Unless Otherwise Specified (Continued)
0 0.5 1.0 1.5 2.0
VSD, SOURCE TO DRAIN VOLTAGE (V)
102
101
100
10-1
ISD, SOURCE TO DRAIN CURRENT (A)
PULSE DURATION = 80µs
TJ = 150oC
TJ = 25oC
15
10
5
00 10203040
Qg(TOT), TOTAL GATE CHARGE (nC)
VGS, GATE TO SOURCE VOLTAGE (V)
ID = 6.8A
VDS = 100V
VDS = 400V
VGS
RL
RG
DUT
+
-VDD
tON
td(ON)
tr
90%
10%
VDS 90%
10%
tf
td(OFF)
tOFF
90%
50%
50%
10% PULSE WIDTH
VGS
0
0
0.3µF
12V
BATTERY 50kΩ
VDS
S
DUT
D
G
Ig(REF)
0
(ISOLATED
VDS
0.2µF
CURRENT
REGULATOR
ID CURRENT
SAMPLING
IG CURRENT
SAMPLING
SUPPLY)
RESISTOR RESISTOR
SAME TYPE
AS DUT Qg(TOT)
Qgd
Qgs
VDS
0
VGS
VDD
Ig(REF)
0
BUZ41A
