Models D320, D321, D332, D333


Introducing the Resonate™ family of ICDs offering an extraordinary, holistic approach to cardiac care.

Key Resources



Product Details

Models D320, D321, D332, D333

  • ENDURALIFE™ battery technology projected to last up to 17.5 years for VR devices and 16.0 years for DR devices.*
  • This small (29.5 cc) and thin (9.9 mm) high-energy device is designed to enhance patient comfort.
  • Heart Failure Sensor Suite provides multi-factorial, physiological, patient-specifi c data which can enable better informed decisions for treating HF patients.
  • IMAGEREADY™ MR Conditional Systems allow patients to safely undergo Full Body MRI scans up to 1.5T.**
* Assumes: 2.0 V RA, LV-only, 2.0 V LVa, 2.0 V LVb, 700Ω, No LATITUDE™, No Respiratory Rate Sensor, No Heart Failure Sensor Suite.
** When conditions of use are met.

Mechanical Specifications

Model Type Size (cm)
(W x H x D)
Connector Type
D320 VR 5.37 x 7.79 x 0.99 70.7 31.5 RV: IS-1/DF-1
D321 DR 5.37 x 7.79 x 0.99 71.0 31.5 RA: IS-1; RV: IS-1/DF–1
D332 VR 5.37 x 7.36 x 0.99 68.9 29.5 RV: DF4
D333 DR 5.37 x 7.68 x 0.99 71.4 31.0 RA: IS-1; RV: DF4

Longevity Information

Pulse Generator Longevity (All Models a,b,c,d,e,f)

The following tables represent example pulse generator life expectancy estimation (implant to explant) as provided in product labeling. For specific programmable parameter ranges, refer to product labeling at, or contact Boston Scientific technical services or your local representative.

  Type Pacing Amplitude Pacing 500Ω with
700Ω with LATITUDE™c 900Ω with LATITUDE™c 700Ω no LATITUDE™, MV/RS, or HFSSd
Typical programmed setting VR 2.5 V 15% 15.0 15.1 15.2 17.1
Maximum labeled longevity VR 2.0 V / Off 0% 15.4 15.4 15.4 17.5
Typical programmed setting DR 2.5 V 15% 13.6 13.7 13.8 15.4
Maximum labeled longevity DR 2.0 V 0% 14.2 14.2 14.2 16.0

Additional Longevity Information

  • Warranty information available at
  • Devices use Li/MnO2 chemistry.
  • The Usable Battery Capacity is 1.8 Amp-hours (typical implant to battery capacity depleted).
  • Shelf life is 2 years (before use by).

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