TSR DC/DC Converters

TRACO Power TSR Series are non-isolated step down DC/DC Converters. These POL (point of load) switching regulators have a very high efficiency and are suitable for replacing linear converters. The TSR-1 series has a high efficiency of up to 96% which allows full load operation up to +60ºC without the need for heat sink or forced cooling. Other features which distinguish TSR-1 over linear regulators include better output accuracy (±2%) and lower standby current of 2mA. Additionally, TSR-1 requires no external capacitors. This series is ideal for many battery powered applications. Learn More

Results: 24
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Isolation Number of Outputs Input Voltage, Nominal Input Voltage, Min Input Voltage, Max Output Voltage-Channel 1 Output Current-Channel 1 Package/Case Length Width Height Industry Maximum Operating Temperature Minimum Operating Temperature Series
TRACO Power DC/DC Converters - Through Hole 4.75-36Vin 3.3V 2A switching regulator 5,522In Stock
$12.07
$11.87
$11.57
$11.43
Min.: 1
Mult.: 1
Non-Isolated 1 Output 3.3 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 4,255In Stock
$5.94
$5.83
$5.71
$5.63
Min.: 1
Mult.: 1
Non-Isolated 1 Output 12 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 2,677In Stock
$8.37
$8.36
Min.: 1
Mult.: 1
Non-Isolated 1 Output 15 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 6,011In Stock
$5.63
$5.51
$5.47
Min.: 1
Mult.: 1
Non-Isolated 1 Output 3.3 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 18,117In Stock
$5.94
$5.83
$5.71
$5.63
Min.: 1
Mult.: 1
Non-Isolated 1 Output 5 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole 15-36Vin 12V 2A SIP switching regulator 2,495In Stock
$12.46
Min.: 1
Mult.: 1
Non-Isolated 1 Output 12 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2

TRACO Power DC/DC Converters - Through Hole 6.5-36Vin 5V 2A SIP switching regulator 3,124In Stock
11,100Expected 11/12/2026
$12.24
$11.76
$11.57
$11.40
Min.: 1
Mult.: 1
Non-Isolated 1 Output 5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 9-36Vin 6.5V 2A SIP switching regulator 1,246In Stock
$13.06
$13.05
$12.95
$12.06
Min.: 1
Mult.: 1
Non-Isolated 1 Output 6.5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 202In Stock
1,740Expected 26/11/2026
$8.37
$8.36
$7.89
Min.: 1
Mult.: 1
Non-Isolated 1 Output 6.5 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 1,407In Stock
$9.09
$9.02
$8.74
$8.60
Min.: 1
Mult.: 1
Non-Isolated 1 Output 9 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole 18-36Vin 15V 2A SIP switching regulator 224In Stock
180Expected 19/11/2026
$11.50
$11.49
Min.: 1
Mult.: 1
Non-Isolated 1 Output 15 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 10In Stock
$9.68
$9.17
$8.97
$8.83
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.5 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 18In Stock
$9.32
$9.16
$8.96
$8.83
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.2 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 42In Stock
20Expected 26/11/2026
$9.32
$9.16
$8.96
$8.86
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.8 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole 3-5.5Vin 1.2V 2A SIP switching regulator 8In Stock
10Expected 19/11/2026
$12.60
$11.61
$11.43
$11.08
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.2 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 3-5.5Vin 1.5V 2A SIP switching regulator 5In Stock
$12.60
$11.61
$11.43
$11.08
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 3-5.5Vin 1.8V 2A SIP switching regulator 26In Stock
$12.60
$11.61
$11.43
$11.08
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.8 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 3.8-5.5Vin 2.5V 2A switching regulator 19In Stock
$12.60
$11.61
$11.43
$11.08
Min.: 1
Mult.: 1
Non-Isolated 1 Output 2.5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 4.6-36Vin 1.2V 2A switching regulator 12In Stock
$13.98
$13.43
$13.29
$13.19
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.2 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 4.6-36Vin 1.5V 2A switching regulator 3In Stock
$13.98
$13.57
$13.52
$13.44
$13.38
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 4.6-36Vin 2.5V 2A switching regulator 48In Stock
$13.98
$13.61
Min.: 1
Mult.: 1
Non-Isolated 1 Output 2.5 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole 12-36Vin 9V 2A SIP switching regulator 38In Stock
110Expected 19/11/2026
$14.42
$14.31
$13.99
$13.83
Min.: 1
Mult.: 1
Non-Isolated 1 Output 9 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2
TRACO Power DC/DC Converters - Through Hole DC/DC Converter non-isolated (POL)PCB Mount Plastic Case 20In Stock
40Expected 26/11/2026
$8.96
Min.: 1
Mult.: 1
Non-Isolated 1 Output 2.5 V 1 A SIP-3 11.7 mm (0.461 in) 7.55 mm (0.297 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 1
TRACO Power DC/DC Converters - Through Hole 4.6-36Vin 1.8V 2A switching regulator 130Factory Stock Available
$14.27
$13.23
$12.95
$12.74
Min.: 1
Mult.: 1
Non-Isolated 1 Output 1.8 V 2 A SIP-3 14 mm (0.551 in) 7.5 mm (0.295 in) 10.1 mm (0.398 in) Industrial + 85 C - 40 C TSR 2