Mechanical data
- Case: SMA/DO-214AC, molded plastic.
- Terminals: solderable per MIL-STD-750,
method 2026.
- Polarity: Color band denotes positive end (cathode)
bi-directional models
Characteristics Symbol Value Units
Peak power dissipation on a 10/1000μs
waveform (Note 1)
waveform (Note 1)
Peak pulse current on a 10/1000μs
Maximum instantaneous forward voltage
at 25 A for uni-directional only
Operation junction and storage
temperature range
PPP
IPP
PD
VF
TJ, TSTG
400
See Next Table
1.0
-55 to +150
W
A
W
IFSM 40 A
V
°C
Steady state power dissipation
at TL=50°C
Peak forward surge current, 8.3ms single
half sine-wave uni-directional only (Note 2)
3.5/5.0
SMD Transient Voltage Suppressor
Working Peak Reverse Voltage: 5.0 to 440 Volts
Power Dissipation: 400 Watts
RoHS Device
Page 1
REV:A
SMAJ5.0(C)A-HF Thru. SMAJ440(C)A-HF
Maximum Ratings and Electrical Characteristics
Dimensions in inches and (millimeter)
SMA/DO-214AC
Comchip Technology CO., LTD.
Halogen Free
Company reserves the right to improve product design , functions and reliability without notice.
0.111(2.83)
0.094(2.40)
0.062(1.58)
0.049(1.25)
0.208(5.28)
0.194(4.93)
0.012(0.31)
0.006(0.15)
0.008(0.20)
0.056(1.41)
0.030(0.76)
0.091(2.30)
0.075(1.90)
0.187(4.75)
0.167(4.25)
0.003(0.08)
Uni-directional
Bi-directional
QW-JTV19
Circuit Diagram
Features
- 400W peak pulse power capability with a 10/1000µs
waveform, repetitive rate (duty cycle):0.01%
- Meet Halogen free and RoHS compliant
- Plastic package has underwriters laboratory flammability 94V-0
- Uni and Bidirectional unit
- Very fast response time
- Excellent clamping capability
- Low incremental surge impedance
- For surface mounted applications to optimize board space
Notes:
1. Non-repetitive current pulse, and derated above TA=25°C
3. VF<3.5V for devices of VBR<200V and VF<5.0V for devices of VBR>201V
2. Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
Rating at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz resistive or inductive load. For capacitive load, derate current by 20%.