2830 S. Fairview St.
Santa Ana, CA 92704
PH: (714) 979-8220
FAX: (714) 966-5256
MM158-XX-X
PRELIMINARY
Features
• Designed for use with spacecraft NiH2 and Li-Ion battery cells
• Thermally activated non-dissipative permanent cell bypass
• Compact, rugged construction offers weight and cost savings
• Copper terminations available in user specified length, bend,
and hole diameter and location
• Radiation tolerant to 300 Krad total dose
• Discrete charge and discharge diodes are packaged in
Slugger™2 and screened and qualified per Microsemi PS11.50
• Available in Bi-directional (charge/discharge) or Uni-directional
(discharge) configuration.
DISCHARGE: up to 150Ah
CHARGE: up to 3V
SHORT: 150Adc
BATTERY CELL
BYPASS/SHORTING
MODULE
Maximum Ratings Prior to Activation @ 25°C (unless otherwise specified)
PART NUMBER
SYMBOL
TYP
MAX.
UNIT
Discharge Current, option 1
Charge Current, option 1
Non-Repetitive Peak Surge Current (discharge)
Non-Repetitive Peak Surge Current (charge)
Geo-stationary Operating Temperature Range
Storage Temperature Range
Thermal resistance, junction to lead, discharge,
measured at lead adjacent to cover
Thermal resistance, junction to lead, charge,
measured at lead adjacent to cover
Weight (lead length = 3”)
ID
IC
IDSM
ICSM
Top
Tstg
RΘjLD
RΘjLC
Weight
-20 to +55
150
50
300
300
-55 to +150
tbd
tbd
<50
Amps
Amps
Amps
Amps
°C
°C
°C/W
°C/W
Grams
Mechanical Outline
Ordering Information
MM158 = basic design
-XX = discharge, charge option number
(for uni-direction, use "0" for charge)
-X = specific terminations (see note 6)
“see note 4 for ordering examples”
Revision 2