marlow industries inc.®
Thermoelectric Cooler
Performance Values
Hot Side Temperature (°C) ∆ Tmax (°C-dry N2): Qmax (watts): Imax (amps): Vmax (vdc): AC Resistance (ohms): 27°C 60.0 20.4 8.92 3.63 0.332 50°C 68.0 22.6 8.76 4.02 ---
SP1975
Mechanical Characteristics
marlow SP1975 LOT XXXXXX - USA + Positive Lead (Red) Leads are 20 AWG Teflon Insulated Negative Lead (Blk)
1.00 [25.4]
1.00 [25.4] 1.13 [28.7]
4.00 ±.5 [101.6 ±12.7]
Cold Side, Tc
.002 [0.050] A .001 [0.025]
.192 ±.001 [4.87 ±.025]
.001 [0.025] Hot Side, Th A
Ceramic Material: Alumina (AC) Millimeters are in [ ]
Ordering Options
SP1975-00 SP1975-03 with out lead wires with 4” lead wires
102-0205, Rev A
Thermoelectric Cooler
Performance Curves
Environment: One atmosphere dry nitrogen
TA(C)= 27 80.0 HEAT LOAD (WATTS) 0.00 2.50 T (C) 40.0 T (C) 5.00 7.50 10.0 20.0 12.5 15.0 17.5 0.0 0.0 4.0 VOLTAGE (VDC) 3.0 2.0 1.0 0.0 0.0 20.0 40.0 80.0 TA(C)= 50
SP1975
HEAT LOAD (WATTS) 0.00 2.50 5.00 7.50 10.0 12.5 15.0 17.5 20.0
60.0
60.0
VOLTAGE (VDC)
3.0
2.0
1.0
Q=0 T=0
Q=0 T=0
0.0 0.0
2.0
4.0 6.0 CURRENT (AMPS)
8.0
10.0
2.0
4.0 6.0 CURRENT (AMPS)
8.0
10.0
For performance information in a vacuum or with hot side temperatures other than 27°C or 50°C, consult one of our Applications Engineers.
Installation
Recommended mounting methods: Bonding with thermal epoxy or soldering with metallized ceramics. For additional information, please refer to our TEC Installation Guide.
Operation Cautions
For maximum reliability, storage and operation below 85°C in a non-condensing environment is recommended. To minimize thermal stress, use linear/proportional temperature control or a similar method rather than an ON/OFF method.
Marlow Industries, Inc. 10451 Vista Park Road Dallas Texas 75238-1645 TEL: 214-340-4900 FAX: 214-341-5212 Internet: http://www.marlow.com
Marlow Industries Europe Aberdeen House, South Road Haywards Heath West Sussex RH164NG UK TEL: +44 (0)1444-443404 FAX: +44 (0)1444-443334
Marlow Industries Asia 1-1-8-401 Uehara, Shibuya-ku Tokyo, Japan 151-0064 TEL: +81 (3) 5454-5280 FAX: +81 (3) 5454-5281
Copyright 2002, Marlow Industries, Inc. Marlow Industries reserves the right to change the design and specifications of products without notice. 102-0205, Rev A
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