TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/395
T4-LDS-0173 Rev. 1 (101069) Page 1 of 5
DEVICES LEVELS
2N3735 2N3735L JAN
2N3737 2N3737UB JANTX
JANTXV
JANS
ABSOLUTE MAXIMUM RATI NG S (TC = +25°C unless otherwise noted)
Parameters / Test Conditions Symbol Min. Unit
Collector-Emitter Voltage VCEO 40 Vdc
Collector-Base Voltage VCBO 75 Vdc
Emitter-Base Voltage VEBO 5 Vdc
Collector Current IC 1.5 Adc
Total Power Dissipation
@ TA = +25°C
2N3735, 2N3735L
2N3737
2N3737UB
PT
1.0 (1)
0.5 (3)
0.5 (5)
W
W
W
Total Power Dissipation
@ TC = +25°C
2N3735, 2N3735L
2N3737
2N3737UB
PT
2.9 (2)
1.9 (4)
N/A
W
W
W
Operating & Storage Junction Temperature Range TJ, Tstg -65 to +200 °C
* Electrical characteristics for “L” suffix devices are identical to the “non L” corresponding
devices.
(1) Derate linearly at 5.71 mW/°C above TA = +25°C
(2) Derate linearly at 16.6 mW/°C above TA = +25°C
(3) Derate linearly at 2.86 mW/°C above TA = +25°C
(4) Derate linearly at 11.3 mW/°C above TA = +25°C
(5) Derate linearly at 3.07 mW/°C above TA = +25°C
(6) TA = +55°C for UB on printed circuit board (PCB). PCB = FR4 .0625 inch (1.59MM) 1
– layer 1 oz Cu, horizontal, still air, pads (UB) = .034 inch (0.86 mm) x .048 inch (1.2
mm), RθJA with a defined thermal resistance condition included is measured at PT =
500mW.
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
OFF CHARACTERTICS
Collector-Emitter Breakdown Voltage
IC = 10mAdc V(BR)CEO 40 Vdc
Collector-Base Cutoff Current
VCB = 75Vdc
VCB = 30Vd
ICBO 10
250
μAdc
ηAdc
TO-5*
2N3735L
TO-39* (TO-205AD)
2N3735
3 PIN
2N3737UB
TO-46 (TO-206AB)
2N3737
TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
T4-LDS-0173 Rev. 1 (101069) Page 2 of 5
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
OFF CHARACTERTICS
Collector- Emitter Cutoff Current
VCE = 30Vdc, VEB = 2.0Vdc
VCE = 30Vdc, VEB = 2.0Vdc TA = +150°C
ICEX 200
250
nAdc
μAdc
Emitter-Base Cutoff Current
VEB = 5.0Vdc
VEB = 4.0Vdc
IEBO 10
100
μAdc
nAdc
ON CHARACTERISTICS (1)
Forward-Current Transfer Ratio
hFE
IC = 10mAdc, VCE = 1.0Vdc
IC = 150mAdc, VCE = 1.0Vdc
IC = 500mAdc, VCE = 1.0Vdc
IC = 1.0Adc, VCE = 1.5Vdc
IC = 1.5Adc, VCE = 5.0Vdc
35
40
40
20
20
150
80
Collector-Emitter Saturation Voltage
VCE(sat)
Vdc
IC = 10mAdc, IB = 1.0mAdc
IC = 150mAdc, IB = 15.0mAdc
IC = 500mAdc, IB = 50.0mAdc
IC = 1.0Adc, IB = 100mAdc
0.2
0.3
0.5
0.9
Base-Emitter Saturation Voltage
VBE(sat)
Vdc
IC = 10mAdc, IB = 1.0mAdc
IC = 150mAdc, IB = 15.0mAdc
IC = 500mAdc, IB = 50.0mAdc
IC = 1.0Adc, IB = 100mAdc
0.8
1.0
1.2
1.4
DYNAMIC CHARACTERISTICS
Forward Current Transfer Ratio
|hfe|
IC = 50mAdc, VCE = 10Vdc, f = 100MHz 2.5 6.0
Delay Response
td
ηs
IC = 1.0Adc, VBE = 2Vdc, IB2= 100mA
VCC = 30Vdc
8
Turn-Off Time
toff
ηs
IC = 1.0Adc, IB1 = IB2 = 100mAdc, VCC = 30Vdc 60
Rise Time tr 40
ηs
IC = 1.0Adc, VBE = 2Vdc, VCC = 30Vdc
Output Capacitance
Cobo 9 pF
VCB = 10Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0MHz
Input Capacitance
Cibo 80 pF
VEB = 0.5Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0MHz
(1) Pulse Test: Pulse Width = 300μs, Duty Cycle ≤ 2.0%
TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
T4-LDS-0173 Rev. 1 (101069) Page 3 of 5
PACKAGE DIMENSIONS
2N3735 Dimensions TO-39 2N3735L Dimensions TO-5
FIGURE 1: Physical dimensions – TO-39, TO-5
Dimensions
Ltr Inches Millimeters Notes
Min Max Min Max
CD .305 .355 7.75 9.02
CH .240 .260 6.10 6.60
HD .355 .370 9.02 9.40
LC .200 TP 5.08 TP 6
LD .016 .021 0.41 0.53 7
LL 1.500 1.750 38.10 44.45 7
LU .016 .019 0.41 0.48 7
L1 .050 1.27 7
L2 .250 6.35 7
P .100 2.54
TL .029 .045 0.74 1.14 3
TW .028 .034 0.71 0.86 9
Q .040 1.02 4
R .010 0.25 10
α 45° TP 45° TP 6
Dimensions
Ltr Inches Millimeters Notes
Min Max Min Max
CD .305 .355 7.75 9.02
CH .240 .260 6.10 6.60
HD .355 .370 9.02 9.40
LC .200 TP 5.08 TP 6
LD .016 .021 0.41 0.53 7
LL .500 .750 12.70 19.05 7
LU .016 .019 0.41 0.48 7
L1 .050 1.27 7
L2 .250 6.35 7
P .100 2.54
TL .029 .045 0.74 1.14 3
TW .028 .034 0.71 0.86 9
Q .040 1.02 4
r .010 0.25 10
α 45° TP 45° TP 6
TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
T4-LDS-0173 Rev. 1 (101069) Page 4 of 5
PACKAGE DIMENSIONS
NOTES:
1 Dimensions are in inches.
2 Millimeters are given for general information only.
3 Symbol TL is measured from HD maximum.
4 Details of outline in this zone are optional.
5 Leads at gauge plane .054 inch (1.37 mm) +.001 inch (0.03 mm) -.000 inch (0.00 mm) below seating plane shall be within
.007 inch (0.18 mm) radius of TP relative to tab. Device may be measured by direct methods or by gauge.
6 Symbol LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum.
7 Lead number three is electrically connected to case.
8 Beyond r maximum, TW shall be held for a minimum length of .011 inch (0.28 mm).
9 Symbol r applied to both inside corners of tab.
10 In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
11 Lead 1 is emitter, lead 2 is base, and lead 3 is collector.
FIGURE 2: Physical dimensions – TO-46 2N3737
Dimensions
Ltr Inches Millimeters Notes
Min Max Min Max
CD .178 .195 4.52 4.95
CH .065 .085 1.65 2.16
HD .209 .230 5.31 5.84
LC .100 TP 2.54 TP 5
LD .016 .021 0.41 0.53
LL .500 1.750 12.70 44.45 6
LU .016 .019 0.41 0.48 6
L1 .050 1.27 6
L2 .250 6.35 6
Q .040 1.02 3
TL .028 .048 0.71 1.22 8
TW .036 .046 0.91 1.17 4
r .010 0.25 9
α 45° TP 45° TP 5
TECHNICAL DATA SHEET
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 620-2600 / Fax: ( 978) 689-0803
Website: http: //www.microsemi.com
T4-LDS-0173 Rev. 1 (101069) Page 5 of 5
PACKAGE DIMENSIONS
NOTES: Dimensions
1. Dimensions are in inches. Symbol Inches Millimeters Notes
2. Millimeters are given for general information only. Min Max Min Max
3. Hatched areas on package denote metalized areas. BH .046 .056 1.17 1.42
4. Lid material: Kovar. BL .115 .128 2.92 3.25
5. Pad 1 = Base, Pad 2 = Emitter, Pad 3 = Collector, BW .085 .108 2.16 2.74
Pad 4 = Shielding connected to the lid. CL .128 3.25
6. In accordance with ASME Y14.5m, diameters are CW .108 2.74
Equivalent to
φ
x symbology. LL1 .022 .038 0.56 0.96
LL2 .017 .035 0.43 0.89
LS1 .036 .040 0.91 1.02
LS2 .071 .079 1.81 2.01
LW .016 .024 0.41 0.61
r .008 .203
R1 .012 .305
R2 .022 .559
