TOKEN RING
ISOLATION TRANSFORMERS
Designed for 4 and 16 Mbps Applications
Dual low-profile surface mount
packages
Low cost front-end solution
Ideal for concentrator and
adapter card applications
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Turns
Ratio
(±2%)
Sine Wave
Inductance OCL
(µH MIN)
Rise
Time
(ns MAX)
Interwinding
Capacitance
(pF MAX)
Leakage
Inductance
(µH MAX)
DC Resistance
Part
Number
(Ω MAX)
Schematic Mechanical
Pri
Sec
SURFACE MOUNT
PE-65736
1:1
1:1.21:1:1.21
1:1
75
75
—
—
—
—
3
15
15
—
0.18
0.18
—
0.3
0.22
—
0.3
1.0
1.0
—
T1
T1
T5
T3
T2
T6
T1
T2
T1
T1
T2
T4
SMT2
SMT2
SMT2
SMT2
SMT4
SMT4
SMT3
SMT4
SMT3
SMT3
SMT4
SMT1
PE-65737
PE-65738
50
PE-67562
1:1:2CT dual
1:1:2:2
710
75
15
14
10
14
20
25
15
15
15
0.70
0.30
0.20
0.30
0.60
0.20
0.50
0.20
0.30
—
23Z110SM
23Z111SM
23Z112SM
23Z116SM
23Z126SM
23Z133SM
23Z354SM
23Z807SM
0.2
0.3
0.2
0.6
1.0
0.4
0.5
0.4
0.4
0.3
0.4
0.6
1.0
0.4
0.5
0.4
1.22:1.22:1:1 ±5%
1:1:2:2
100
60
3
3
1:1:1:1
75
3
1:1:1:1 ±3%
1.22:1.22:1:1 ±5%
0.5:0.5:1.22:1.22
75 ±30%
250
75
5
3
—
5
±3%
1:1:2:2
225
NOTE: Transformers are packaged in tubes, unless Tape & Reel is specified. Please add the suffix “T” for all Tape & Reel orders. For example: PE-67562T.
IEEE 802.5 compatible
Single and dual low profile packages
Proven reliable designs
Recommended by Texas Instruments
since 1984
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Turns
Ratio
(±5%)
Sine Wave
Inductance OCL
(µH MIN)
Rise
Time
(ns MAX)
Interwinding
Capacitance Cww Inductance LL
Leakage
Part
Number
DCR
(Ω MAX)
Primary
Pins
Schem. Mech.
(pF MAX)
(µH max)
THROUGH HOLE
PE-63838-001
PE-64974-001
PE-65871
PE-67537
PE-67541
23Z111
1:1:2:2
1:1:1:1
5002
26002
5001
15
15
9
203
301
201
—
0.73
0.51
0.21
—
.80
1.0
.25
1.2
1.0
.30
1.00
1-2/3-4
1-2/3-4/5-6/7-8
1-2/3-4
T2
T1
T2
T2
T1
T6
T1
TH1
TH2
TH1
TH1
TH2
TH4
TH3
1:1:1:1
1:1:2:2
900
—
1-2/3-4
1:1:1:1
12002
100 (±20%)
750
—
—
—
1-2/3-4/5-6/7-8
1-2/3-4
1.22:1.22:1:1
1:1:1:1 ±3%
3.0
5.0
10
0.2
0.2
23Z806
25
1-2/3-4/5-6/7-8
NOTES:
1. Measured at 20 mVrms, 100 KHz.
2. Measured at 20 mVrms, 10 KHz.
3. Measured at 50 mV, 100 KHz.
4. Insertion Loss is 0.5 dB MAX from 1-16 MHz. Return Loss is 15 dB MIN from 10-16 MHz and 20 dB MIN from 1-5 MHz.
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U.K: 44 1483 401 700
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http://www.pulseeng.com
EC200.A (12/00)
1