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MI Form 005‐0690 Rev. 4 DOC # 102‐0279 REV F ‐ PAGE 1 OF 3 www.marlow.com Technical Data Sheet for RC12‐8 Single‐Stage Thermoelectric Module NOMINAL PERFORMANCE IN NITROGEN Hot Side Temperature (°C) 27 50 Δ Tmax (°C): 66 74 Qmax (watts): 71 78 Imax (amps): 7.4 7.4 Vmax (vdc): 14.7 16.4 AC Resistance (ohms): 1.6 ‐‐ Device ZT 0.74 PRODUCT FEATURES  RoHS EU Compliant  Rated operating temperature of 130°C.  Ceramic Material: Aluminum Oxide  Porch configuration for high strength lead wire connection.  Superior nickel diffusion barriers on elements.  High strength for rugged environment.  RTV sealing option available.  Lapped option available for multiple module applications. ORDERING OPTIONS Model Number Description RC12‐8‐01 Leadwires RC12‐8‐01L Leadwires, Lapped RC12‐8‐01S Leadwires, Sealed RC12‐8‐01LS Leadwires, Lapped, Sealed OPERATION CAUTIONS For maximum reliability, storage and operation below 130°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. INSTALLATION Recommended mounting method: Clamp with uniform pressure to a flat surface with thermal interface material. For additional information, please refer to our TEM Installation Guide. II‐VI Marlow – Dallas, TX USA 214‐340‐4900 877‐627‐5691 marlow.sales@ii‐vi.com Marlow Industries Europe GmbH ‐ Germany +49 (0) 6150 5439 ‐ 403 info@marlow‐europe.eu II‐VI Japan Inc. 81 43 297 2693 (tel) center@ii‐vi.co.jp www.ii‐vi.co.jp II‐VI Singapore Pte., Ltd. (65) 6481 8215 (tel) info@ii‐vi.com.sg Marlow Industries China, II‐VI Technologies Beijing 86‐10‐643 98226 info@iivibj.com

MI Form 005‐0690 Rev. 4 DOC # 102‐0279 REV F ‐ PAGE 2 OF 3 www.marlow.com TYPICAL PERFORMANCE CURVES THERMOELECTRIC COOLING PERFORMANCE CURVES ENVIRONMENT: ONE ATMOSPHERE DRY NITROGEN For performance information in a vacuum or with hot side temperatures other than 27°C or 50°C, contact one of our Applications Engineers at 877‐627‐5691. POWER GENERATION PERFORMANCE CURVES ENVIRONMENT: ONE ATMOSPHERE DRY NITROGEN For performance information with hot side temperatures other than 27°C or 50°C, contact one of our Applications Engineers at 877‐627‐5691. CURRENT (AMPS)CURRENT (AMPS) 0.0 4.0 8.0 12.0 16.0VOLTAGE (VDC) 0.0 20.0 40.0 60.0 80.0 Q=0 HEAT LOAD (WATTS) 0.00 5.00 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 70.0 0.0 4.0 8.0 12.0 16.0VOLTAGE (VDC) 0.0 20.0 40.0 60.0 80.0 Q=0 HEAT LOAD (WATTS) 0.00 5.00 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 T=0 T (C) T (C) T=0 30 35 40 45 50 55 65 75 85 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 0.2 0.4 0.6 0.8 1.2 Opt Voltage (V) Opt Power (W) Heat (W) Hot Side Temperature (°C) Power Voltage Tc=27°C 55 60 65 70 75 80 85 0.2 0.4 0.6 0.8 1.2 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 Opt Voltage (V) Opt Power (W) Heat (W) Hot Side Temperature (°C) Power Voltage Tc=50°C 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0123456789 1 0 Voltage / VOC η / Opt η Load Resistance Ratio Normalized Off-Peak Performance Efficiency Voltage Hot Side Temperature 27°C Hot Side Temperature 50°C Hot Side Temperature (°C) 85 55 35 Cold Side Temperature (°C) 27 27 27 Optimum Efficiency, η (%) 2.48 1.25 0.37 Optimum Power (W) 1.198 0.292 0.024 Optimum Voltage (V) 1.774 0.846 0.239 Load Resistance for Opt η (Ω) 2.63 2.46 2.34 Open Circuit Voltage, VOC (V) 3.12 1.49 0.42 Short Circuit Current (A) 1.56 0.80 0.24 Thermal Resistance (°C/W) 1.20 1.20 1.20 Cold Side Temperature 27°C Hot Side Temperature (°C) Cold Side Temperature 50°C Hot Side Temperature (°C)

MI Form 005‐0690 Rev. 4 DOC # 102‐0279 REV F ‐ PAGE 3 OF 3 www.marlow.com MECHANICAL CHARACTERISTICS All units are in millimeters unless otherwise stated. *NOTE: Cold side, hot side, positive lead, and negative lead are valid only for thermoelectric cooling. For power generation, refer to figure below: For customer support or general questions please contact a local office or visit our website at www.marlow.com. Marlow reserves the right to make product changes without notice.