DC/DC Converter
THD 12WI Series, 12 Watt
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•
•
•
Ultra-wide 4:1 input range
•
•
•
Remote On/Off
•
•
•
Continuous short-circuit protection
Very high efficiency up to 85%
I/O isolation 1500V
Input filter meets EN 55032, class A
without ext. Components
UL 62368-1 IEC 62368-1
Under voltage lock-out circuit
Shielded metal case with insulated
Baseplate
Operating temp. range –40°C to +85°C
3-year product warranty
The THD 12WI series is a range of high performance, isolated 12W DC/DC
converter modules featuring ultra wide 4:1 input voltage ranges in a DIP-24
package with industry-standard footprint. Overload and overvoltage protection
as well as remote On/Off are included as standard. Built-in filters for both input
and output minimizes the need of external filtering. Full SMD-design with exclusive use of ceramic capacitors guarantees a high reliability and long product
lifetime. Typical applications for these converters are industrial electronics, instrumentation, data communication systems and battery operated equipment
with limited space available on the PCB
Models
Order Code
Input Voltage
Range
THD 12-2410WI
THD 12-2411WI
THD 12-2412WI
THD 12-2413WI
THD 12-2421WI
THD 12-2422WI
THD 12-2423WI
THD 12-4810WI
THD 12-4811WI
THD 12-4812WI
THD 12-4813WI
THD 12-4821WI
THD 12-4822WI
THD 12-4823WI
www.tracopower.com
9 - 36 VDC
(24 VDC nom.)
18 - 75 VDC
(48 VDC nom.)
Output 1
Output 2
Vnom
Imax
3.3 VDC
5.1 VDC
12 VDC
15 VDC
+5 VDC
+12 VDC
+15 VDC
3.3 VDC
5.1 VDC
12 VDC
15 VDC
+5 VDC
+12 VDC
+15 VDC
3'500 mA
2'400 mA
1'000 mA
800 mA
1'200 mA
500 mA
400 mA
3'500 mA
2'400 mA
1'000 mA
800 mA
1'200 mA
500 mA
400 mA
May 30, 2022
Vnom
Efficiency
Imax
–5 VDC
–12 VDC
–15 VDC
1'200 mA
500 mA
400 mA
–5 VDC
–12 VDC
–15 VDC
1'200 mA
500 mA
400 mA
typ.
84 %
87 %
87 %
87 %
84 %
87 %
87 %
84 %
87 %
87 %
88 %
85 %
87 %
87 %
Page 1 / 4
THD 12WI Series, 12 Watt
Input Specifications
Input Current
- At no load
- At full load
Surge Voltage
Under Voltage Lockout
Recommended Input Fuse
Input Filter
24 Vin models: 55 mA typ. (3.3 Vout model)
55 mA typ. (5.1 Vout model)
15 mA typ. (12 Vout model)
15 mA typ. (15 Vout model)
15 mA typ. (5 / -5 Vout model)
15 mA typ. (12 / -12 Vout model)
15 mA typ. (15 / -15 Vout model)
48 Vin models: 20 mA typ. (3.3 Vout model)
20 mA typ. (5.1 Vout model)
7 mA typ. (12 Vout model)
7 mA typ. (15 Vout model)
7 mA typ. (5 / -5 Vout model)
7 mA typ. (12 / -12 Vout model)
7 mA typ. (15 / -15 Vout model)
24 Vin models: 610 mA typ.
48 Vin models: 310 mA typ.
24 Vin models: 50 VDC max. (100 ms max.)
48 Vin models: 100 VDC max. (100 ms max.)
24 Vin models: 7 VDC min. / 8 VDC typ. / 8.8 VDC max.
48 Vin models: 15 VDC min. / 16 VDC typ. / 17.5 VDC max.
24 Vin models: 2'500 mA (slow blow)
48 Vin models: 1'250 mA (slow blow)
(The need of an external fuse has to be assessed
in the final application.)
Internal Pi-Type
Output Specifications
Voltage Set Accuracy
Regulation
- Input Variation (Vmin - Vmax)
- Load Variation (0 - 100%)
Ripple and Noise
Capacitive Load
- Cross Regulation
(25% / 100% asym. load)
- 20 MHz Bandwidth
- single output
- dual output
±1.2% max.
0.2% max.
0.2% max.
0.5% max.
1% max. (Output 1)
1% max. (Output 2)
dual output models: 5% max.
single output models:
dual output models:
single output models:
dual output models:
3.3 Vout models:
5.1 Vout models:
12 Vout models:
15 Vout models:
5 / -5 Vout models:
12 / -12 Vout models:
15 / -15 Vout models:
Minimum Load
Temperature Coefficient
Start-up Time
Short Circuit Protection
Output Current Limitation
Overvoltage Protection
85 mVp-p typ.
2'000 µF max.
2'000 µF max.
430 µF max.
300 µF max.
1'250 / 1'250 µF max.
200 / 200 µF max.
120 / 120 µF max.
Not required
±0.02 %/K max.
450 ms typ. (Power On)
5 ms typ. (Remote On)
Continuous, Automatic recovery
150% typ. of Iout max.
118 - 125% of Vout nom.
(depending on model)
3.9 VDC typ. (3.3 Vout models)
6.2 VDC typ. (5.1 Vout models)
15 VDC typ. (12 Vout models)
18 VDC typ. (15 Vout models)
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
May 30, 2022
Page 2 / 4
THD 12WI Series, 12 Watt
Transient Response
5% max. (75% to 100% Load Step)
250 µs typ. (75% to 100% Load Step)
- Response Deviation
- Response Time
Safety Specifications
Safety Standards
EN 60950-1
EN 62368-1
IEC 60950-1
IEC 62368-1
UL 60950-1
UL 62368-1
www.tracopower.com/overview/thd12wi
PD 2
Not mains connected
- IT / Multimedia Equipment
- Certification Documents
Pollution Degree
Over Voltage Category
EMC Specifications
EMI Emissions
- Conducted Emissions
- Radiated Emissions
External filter proposal:
EMS Immunity
- Electrostatic Discharge
Air:
Contact:
- RF Electromagnetic Field
- EFT (Burst) / Surge
Ext. input component:
- Conducted RF Disturbances
- PF Magnetic Field
Continuous:
1 s:
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
EN 55032 class A (with external filter)
EN 55032 class B (with external filter)
www.tracopower.com/overview/thd12wi
EN 55024 (IT Equipment)
EN 61000-4-2, ±8 kV, perf. criteria A
EN 61000-4-2, ±6 kV, perf. criteria A
EN 61000-4-3, 10 V/m, perf. criteria A
EN 61000-4-4, ±2 kV, perf. criteria A
EN 61000-4-5, ±1 kV, perf. criteria A
Nippon chemi-con KY 220 µF, 100 V
EN 61000-4-6, 10 Vrms, perf. criteria A
EN 61000-4-8, 100 A/m, perf. criteria A
EN 61000-4-8, 1000 A/m, perf. criteria A
General Specifications
Relative Humidity
Temperature Ranges
Power Derating
Cooling System
Remote Control
Altitude During Operation
Switching Frequency
Insulation System
Isolation Test Voltage
Isolation Resistance
Isolation Capacitance
Reliability
Washing Process
95% max. (non condensing)
–40°C to +85°C
+105°C max.
–55°C to +125°C
See application note: www.tracopower.com/overview/thd12wi
Natural convection (20 LFM)
On: 3.0 to 12 VDC or open circuit
- Voltage Controlled Remote
Off: 0 to 1.2 VDC or short circuit
Refers to 'Remote' and '-Vin' Pin
2.5 mA typ.
- Off Idle Input Current
-0.5 to 0.5 mA
- Remote Pin Input Current
4'000 m max.
360 - 440 kHz (PWM)
400 kHz typ. (PWM)
Functional Insulation
1'600 VDC
- Input to Output, 60 s
1'600 VDC
- Input to Case, 60 s
1'600 VDC
- Output to Case, 60 s
1'000 MΩ min.
- Input to Output, 500 VDC
1'500 pF max.
- Input to Output, 100 kHz, 1 V
- Calculated MTBF
2'090'000 h (MIL-HDBK-217F, ground benign)
Allowed (hermetical product)
See Cleaning Guideline: www.tracopower.com/info/cleaning.pdf
- Operating Temperature
- Case Temperature
- Storage Temperature
- High Temperature
All specifications valid at nominal voltage, resistive full load and +25°C after warm-up time, unless otherwise stated.
www.tracopower.com
May 30, 2022
Page 3 / 4
THD 12WI Series, 12 Watt
Environment
MIL-STD-810F
MIL-STD-810F
Copper, Nickel plated
Non-conductive FR4 (UL 94 V-0 rated)
Epoxy (UL 94 V-0 rated)
Copper
Nickel (2 - 3 µm)
Tin (3 - 5 µm), matte
Metal Case
PCB Mount
THD (Through-Hole Device)
DIP24
245°C / 10 s max.
18 g
- Vibration
- Thermal Shock
Housing Material
Base Material
Potting Material
Pin Material
Pin Foundation Plating
Pin Surface Plating
Housing Type
Mounting Type
Connection Type
Footprint Type
Soldering Profile
Weight
Thermal Impedance
Environmental Compliance - REACH Declaration
20 K/W
www.tracopower.com/info/reach-declaration.pdf
REACH SVHC list compliant
REACH Annex XVII compliant
www.tracopower.com/info/rohs-declaration.pdf
Exemptions: 7a, 7c-I
(RoHS exemptions refer to the component
concentration only, not to the overall
concentration in the product (O5A rule).
The SCIP number is provided on request.)
- RoHS Declaration
Supporting Documents
Overview Link (for additional Documents)
www.tracopower.com/overview/thd12wi
(0.10)
2.54
2.0
(0.08)
Outline Dimensions
Pinout
1
2
3
Bottom view
15.24
(0.60)
16
(0.20)
5.08
(1.0)
25.4
(1.25)
31.8
23
22
9
14
3.8
10.22
2.54
(0.15)
(0.40)
(0.10)
Insulated baseplate
11
15.24
(0.6)
Pin
Single
Dual
1
Remote On/Off
Remote On/Off
2
–Vin (GND)
–Vin (GND)
3
–Vin (GND)
–Vin (GND)
9
NC
Common
11
NC
–Vout
14
+Vout
+Vout
16
–Vout
Common
22
+Vin (Vcc)
+Vin (Vcc)
23
+Vin (Vcc)
+Vin (Vcc)
NC: Not Connected
20.32
(0.8)
Dimensions in mm (inch)
Tolerances: x.x ±0.5 (±0.02)
x.xx ±0.25 (±0.01)
Pin Ø 0.5 ±0.1 (0.02 ±0.004)
© Copyright 2022 Traco Electronic AG
Specifications can be changed without notice.
www.tracopower.com
Rev. May 30, 2022
Page 4 / 4
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