CR SERIES
40 Watt
DC/DC Power Converters
Single and Dual Outputs
Rev C
TECHNICAL SPECIFICATIONS: CR SERIES
All specifications are typical at Nominal Input, Full Load, and 25°C unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
REMOTE ON/OFF (See Note 3)
DC/DC ON
Open or 3V ~ 12 VDC
Short or 0 ~ 1.2 VDC
Short or 0 ~ 1.2 VDC
Open or 3V ~ 12 VDC
+0.5
Positive Logic (standard)
Referenced to –Input pin
Referenced to –Input pin
DC/DC OFF
DC/DC ON
DC/DC OFF
Negative Logic (optional)
Input Current of Remote Control Pin Nominal Vin
-0.5
mA
mA
Remote OFF State Input Current
Nominal Vin
3
ENVIRONMENTAL SPECIFICATIONS
Standard with Derating
M3 Version with Derating
-40
-55
+105
+105
Operating Ambient Temperature
°C
Maximum Case Temperature
Storage Temperature
+105
+125
°C
°C
-55
5
Without Heatsink
With Heatsink
10.8
10.3
Thermal Impedance (See Note 4)
°C/W
Relative Humidity
95
% RH
Thermal Shock
Shock
Vibration
MTBF
MIL-STD-810F
MIL-STD-810F
MIL-STD-810F
1,066,000 hours
MIL-HDBK-217F, Full Load
PHYSICAL SPECIFICATIONS
Weight
1.13oz (32g)
2.00in x 1.00in x 0.40in
(50.8mm x 25.4mm x 10.2mm)
Dimensions (L x W x H)
Case Material
Base Material
Potting Material
Shielding
Copper
FR4 PCB
Silicon (UL94-V0)
Six-sided
SAFETY & EMC CHARACTERISTICS
IEC/UL/EN60950-1
IEC/UL/EN62368-1
UL: E193009
CB: UL (Demko)
Safety Approvals (See Note 5)
EMI (See Note 1)
ESD
EN55022
Class A, Class B
Air ±8kV
Contact ±6kV
EN61000-4-2
Perf. Criteria A
Radiated Immunity
Fast Transient (See Note 2)
Surge (See Note 2)
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
20 V/m
±2kV
±2kV
10 Vrms
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Conducted Immunity
100A/m continuous; 1000A/m 1
second
Power Frequency Magnetic Field
EN61000-4-8
Perf. Criteria A
NOTES
1. The CR series can only meet EMI Class A or Class B with external components added. Please contact factory for more information.
2. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. For 12VDC nominal input models we
recommend connecting an aluminum electrolytic capacitor (Nippon chemi-con KY series, 220µF/100V) and a TVS (SMDJ58A, 58V, 3000 Watt
peak pulse power) diode in parallel. For 24VDC nominal input models we recommend connecting an aluminum electrolytic capacitor (Nippon
chemi-con KY series, 220µF/100V) and a TVS (SMDJ64A, 64V, 3000 Watt peak pulse power) diode in parallel. For 48VDC nominal input models
we recommend connecting an aluminum electrolytic capacitor (Nippon chemi-con KY series, 220µF/100V) and a TVS (SMDJ120A, 120V, 3000
Watt peak pulse power) in parallel.
3. Both positive logic and negative logic remote ON/OFF control is available. Positive logic remote ON/OFF comes standard; for negative logic
remote ON/OFF add the suffix “R” to the model number (Ex: CR48S05-40R).
4. Optional heatsink is available. Please call factory for ordering details.
5. This product is Listed to applicable standards and requirements by UL.
CAUTION: This power module is not internally fused. An input line fuse must always be used.
Due to advances in technology, specifications subject to change without notice.
Wall Industries, Inc. • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
website: www.wallindustries.com • e-mail: sales@wallindustries.com
5/16/2019
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