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SIEMENS – BSM-75GB-120DN2-98331 – IGBT Power Transistor – Reclaimed Part

Manufacturer

OEM Part Number

BSM-75GB-120DN2-98331

GPS Part Number

27-SIE-BSM-75GB-120DN2-98331

Tags

Price:

$149.78

Specifications
Voltage WPC AH/kVA Length Width Height Weight
1200 V N/A 75 A N/A N/A N/A ≈  400 – 450  g
Voltage 1200 V
WPC N/A
Amp/H 75 A
Length N/A
Width N/A
Height N/A
Weight ≈  400 – 450  g

Siemens / EUPEC — BSM75GB120DN2 IGBT Module 1200 V • 75 A • Dual half-bridge (2 IGBTs + antiparallel fast diodes) • Isolated baseplate (62 mm class)
What it is

1200 V / 75 A dual IGBT half-bridge module widely used in UPS inverters, motor drives, and high-power SMPS. Low-loss IGBTs paired with fast, soft-recovery free-wheel diodes in a low-inductance 62 mm package; insulated baseplate simplifies heatsinking and grounding.

At-a-Glance
  • Voltage / Current: 1200 V / 75 A (per module, Tc=25 °C)
  • Topology: Dual IGBT half-bridge with antiparallel fast diodes
  • Mounting: Screw terminals; isolated metal baseplate
  • Package: 62 mm power module, ~108 × 62 × 30 mm
  • Applications: UPS, drives, choppers/boosters, welders, high-power SMPS
Features
  • Fast, soft diodes — reduced reverse-recovery for cleaner commutation.
  • Low VCE(sat) — efficient conduction at rated current.
  • Isolated baseplate — 2.5 kVRMS hi-pot for simple heatsink grounding.
  • 62 mm footprint — common layout for easy drop-in service.
Technical Specifications

Parameter Value
Collector-Emitter Voltage (VCES) 1200 V
Continuous Collector Current (IC) 75 A @ Tc=25 °C (≈ 50 A @ 125 °C)
Pulse Collector Current (ICM) ≥ 150 A (≤ 1 ms, Tj limit)
Gate-Emitter Voltage (VGES) ±20 V
Isolation (terminals↔base) 2.5 kVRMS / 1 min
VCE(sat) (typ.) ≈ 2.1 V @ IC=75 A, VGE=15 V, 25 °C
Diode Forward Voltage (VF) ≈ 2.0 V @ IF=75 A, 25 °C
Gate Threshold (VGE(th)) ≈ 4.5…7.5 V
Total Gate Charge (QG) ≈ 450–500 nC @ 600 V, 75 A, 15 V
Capacitances (typ.) Cies ≈ 20 nF; Coes ≈ 1.4 nF; Cres ≈ 0.8 nF
td(on) / tr ≈ 0.10 µs / 0.08 µs @ VCC=300 V, IC=75 A, ±15 V
td(off) / tf ≈ 0.30 µs / 0.25 µs (Tj=125 °C)
Diode trr / Qrr (typ.) ≈ 0.20 µs / 3–4 µC
Rth(j-c) (IGBT / Diode) ≈ 0.37 K/W / ≈ 0.65 K/W (per chip)
Package / Dimensions / Mass 62 mm class; ~108 × 62 × 30 mm; ≈ 400–450 g
Configuration Dual (2-pack) half-bridge with antiparallel fast diodes
Compatibility / Representative Uses
Module Applications Notes
BSM75GB120DN2 UPS; drives; welders; high-power SMPS; DC-link choppers Use recommended gate resistors; observe isolation and thermal limits; torque per 62 mm spec.
Why buy from Gruber
  • Tested pulls & new stock — Gate/diode behavior verified, continuity checked, baseplate flatness inspected.
  • Traceability — Each module labeled with a work-order ID for service history confidence.
  • Drop-in help — We match legacy Siemens/EUPEC 62 mm parts for direct replacement.
Gruber Power Services