© 2022
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WTC3243 TEMPERATURE CONTROLLER
MECHANICAL SPECIFICATIONS
PCB FOOTPRINT
WTC3243 ASSEMBLED WITH HEATSINK & FAN
All dimensions are inches [mm]. All tolerances are ±5% unless noted.
PIN DIAMETER: 0.020”
PIN LENGTH: 0.157” ±12%
PIN MATERIAL: Nickel Plated Steel
HEAT SPREADER: Nickel Plated Aluminum
PLASTIC COVER: LCP Plastic
ISOLATION: 1200 VDC any pin to case
THERMAL WASHER: WTW002
HEATSINK: WHS320
FANS: WXC303 (+5 VDC)
or WXC304 (+12 VDC)
with heatsink and fan
with heatsink
0.87
[22.1]
0.600
[15.24]
Sym.
0.100
[2.54]
BOTTOM VIEW
0.01
[0.3]
0.31 [7.9]
0.48
[12.2]
0.40 [10.2]
0.07 [1.8]
1.27
[32.3]
0.900
[22.86]
0.600
[15.24]
0.100
[2.54]
1.30
[33.0]
0.20
[5.1]
1.26
[32.0]
0.33
1.28
[32.5]
0.945 [24.00]
0.945
[24.00]
2 PLS
4-40 UNC
WTC3243
0.125 [3.18] Thru
0.25 [6.4] DIA KEEPOUT
4 Required
0.038 [0.97] Dia Thru Hole
0.060 [1.52] Dia Pad
14 Required
0.023 [0.58]
0.023 [0.58]
0.900 [22.86]
0.945 [24.00] SQ.
0.175 [4.45]
0.100 [2.54]
↓ Air Flow ↓
Weights
WTC3243
0.6 oz
WHS302 Heatsink
0.5 oz
WXC303/4 Fan
0.3 oz
The WTC3243 can be directly soldered
to a PCB or installed in a socket soldered
to the PCB. Two 7-pin SIP sockets are
required. Wavelength recommends
Aries Electronics, PN 25-0513-10.
Screw: 4-40 PHPH
(x.75” w/o FAN)(x1” w/ FAN)
30 mm FAN
WXC303 (+5VDC) or
WXC304 (+12VDC)
WHS302 Heatsink
WTW002
Thermal Washer
WTC3243
Air Flow
Heat Spreader
* Actual fan wire configuration
may be different than shown.
Fan can be rotated on the WTC
so the location of the wires
matches your PCB layout.
