MFG Part Number 387014547

MSX3-070-F1N-0808-085-11-W2

OptoTEC™ MSX Series Thermoelectric Cooler

The MSX3-070-F1N-0808-085-11-W2 is a high-performance, miniature thermoelectric cooler. The MSX3-070-F1N-0808-085-11-W2 is primarily used in applications to stabilize the temperature of sensitive optical components in the telecom and photonics industries. It has a maximum Qc of 0.892 Watts when ΔT = 0 and a maximum ΔT of 120 °C at Qc = 0.

Features

  • Miniature footprint
  • Precise temperature control
  • Reliable solid-state operation
  • Operates in high-temperature applications
  • No sound or vibration
  • RoHS-compliant

Specifications

Hot Side Temperature
27.0 °C
50.0 °C
Qcmax (ΔT = 0)
0.89 Watts
0.98 Watts
ΔTmax (Qc = 0)
120.0°C
138.7°C
Imax (I @ ΔTmax)
1.2 Amps
1.2 Amps
Vmax (V @ ΔTmax)
5.6 Volts
6.4 Volts
Module Resistance
4.60 Ohms
4.60 Ohms
Max Operating Temperature
120 °C
 
Weight
0.5 gram(s)
 

Finishing Options

Suffix
Thickness
Flatness / Parallelism
Hot Face
Cold Face
Lead Length
 11
4.502 ±0.100 mm
0.177 ± 0.004 in
0.051 mm / 0.051 mm
0.002 in / 0.002 in
Lapped
Lapped
50.0 mm
1.97 in

Electrical and Thermal Performance

Notes

  1.  Max operating temperature: 120°C
  2.  Do not exceed Imax or Vmax when operating module
  3.  Reference assembly guidelines for recommended installation
  4.  Solder tinning also available on metallized ceramics

Any information furnished by Tark Thermal Solutions and its agents, whether in specifications, data sheets, product catalogues or otherwise, is believed to be (but is not warranted as being) accurate and reliable, is provided for information only and does not form part of any contract with Tark Thermal Solutions. All specifications are subject to change without notice. Tark Thermal Solutions assumes no responsibility and disclaims all liability for losses or damages resulting from use of or reliance on this information. All Tark products are sold subject to the Tark Thermal Solutions Terms and Conditions of sale (including Tark’s limited warranty) in effect from time to time, a copy of which will be furnished upon request.

© Copyright 2026 Tark Thermal Solutions, Inc. All rights reserved.

Revision: 00 Date: 01-31-2026
Print Date: 03-01-2026