• Short Time Overload: 1,200W
at 70°C for 10sec., ΔR=0.4%
max.
Ohmite’s TAP800 Series dis-
sipates 800 watts of power
when used with a liquid or
air cooled heat sink system.
The TAP800 rounds out 600
watt (TAP600) and 1000 watt
(TAP1000) product offerings.
Applications include variable
speed drives, power supplies,
robotics, motor control, con-
trol devices, and other power
designs.
TAP800 Series
• Power Rating: 800W at 85°C
Bottom case temperature.
• Peak Current: up to 1500 amp.
depending on pulse length and
frequency Please ask for details
• Electric Strength Voltage:
6kVrms, 50Hz,upto 12kVrms on
special request.
• Single Shot Voltage: up to 12kV
Normwave (1.5/50 µsec)
• Partial Discharge:4KVrms,
<10pC, up to 7kV on special
request
• Insulation Resistance: 10GΩ
min. at 500V
• Creeping Distance: 42mm min.
• Air Distance: 14mm min.
• Inductance: 80nH
• Capacity/Mass: 110pF
• Capacity/Parallel: 40pF
• Operation Temperature: -55°C
to +150°C
• Max. Torque for Contacts: 2
Nm
• Max. Torque for Mounting: 1.8
Nm M4 screws (not included)
Derating: 8.73W/°K (0.115°K/W)
Power Rating: 800W at 85°C
bottom case temp. This value
is only valid by using a thermal
conduction to the heatsink Rth-
cs<0.025°K/W. This value can
be reached by using thermal
transfer compound with a heat
conductivity of 1W/mK. The flat-
ness of the cooling plate must be
better than 0.05mm overall. The
roughness of the surface should
not exceed 6.4µm.
800 Watt Heat Sinkable Planar
ø0.159–0.169"
(4.05–4.3mm)
øM5
occ. Din
2.331-2.394"
(59.2-60.8mm)
*C to C for
L
L
mounting holes
2.236-2.252"
(56.8-57.2mm)
0.689–0.728"
(17.5–18.5mm)
F E A T U R E S
*2.236-2.259"
(56.8-57.4mm)
• Electric support is high alumina
content ceramic metallized on
the bottom for ideal heat transfer
and optimum discharge.
• Encapsulated with a special
resin filled epoxy casing with
a large creepage distance to
mass, large air distance between
terminals, and a high insulation
resistance (CTI 600).
• Resistive element is specially
designed for low inductance
and capacitance. The element
provides stable performance
in addition to high wattage and
pulse loading capability.
• Contacts allow for easy load con-
necting with M4 or M5 screws
(not included).
1.331–1.346"
(33.8–34.2mm)
2.527–2.591"
(64.2–65.8mm)
1.409–1.425"
(35.8–36.2mm)
II
0.256-0.295"
(6.5-7.5mm)
0.177–0.216"
(4.5–5.5mm)
1.240–1.279"
(31.5–32.5mm)
1.161–1.201"
(29.5–30.5mm)
• Materials meet the requirements
of UL94-V0
0.571–610"
(14.5–15.5mm)
S P E C I F I C A T I O N S
Electrical
P E R F O R M A N C E D ATA
Resistance Values: 1Ω to 10KΩ
• Resistance Tolerance: ±5% to
±10%
• Temperature Coefficient:
±150ppm/°C (others upon
request)
• Maximum Working Voltage:
5,000V DC, higher voltage on
request, not exceeding max.
power
Test
Method
Typical Results - ΔR
0.4%
Short time overload
Humidity Steady State
Temp. Cycling
Shock
Vibration
Load Life
1,000 W/10sec
56 days/40°C/95%
-55/+125/5 cycles
40g/4,000 times
2-500Hz/10g
0.25%
0.20%
0.25%
0.25%
S TA N D A R D V A L U E S
1.0 100
5.0 220
1000
2700
3000
5000
Pn 30 min. on/30 min off, 1,000cyl
200N
0.40%
0.05%
Terminal Strength
10
390
500
15
50
680 10,000
D E R AT I N G C U R V E
P U L S E - F O R M S
E-function, time between two pulses: 1 sec.
120
100
80
960
800
640
480
320
160
0
11,500,000
1,150,000
115,000
11,500
1150
60
40
20
115
0.001
0.01
0.1
1
10
100
1,000 10,000 100,000
Time (ms)
0
0
25
50
75
100
125
150
175
115,000
Case temperature, °C
11,500
1,150
115
O R D E R I N G I N F O R M AT I O N
RoHS compliant
Non-compliant version
unavailable
11.5
1
T A P 8 0 0 K 5 R 0 E
Style
Wattage Tolerance
800 watts J = 5%
K = 10%, Std.
Resistance
1 Ohm = 1R0
10 Ohm = 10R
L = 20%
Check product availability at www.1o0h0m0 Oihtme.=c1oKm0
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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